svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.api / src / main / java / org / gvsig / fmap / dal / feature / FeatureStore.java @ 45195
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.dal.feature; |
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import java.util.Iterator; |
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import java.util.List; |
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import javax.json.JsonObject; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.expressionevaluator.Expression; |
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import org.gvsig.expressionevaluator.ExpressionBuilder; |
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import org.gvsig.fmap.dal.DataServerExplorer; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.DataStoreParameters; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.feature.exception.FeatureIndexException; |
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import org.gvsig.fmap.dal.feature.exception.NeedEditingModeException; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.SpatialIndex; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.tools.dispose.DisposableIterator; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.lang.Cloneable; |
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import org.gvsig.tools.observer.Observer; |
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import org.gvsig.tools.undo.UndoRedoStack; |
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import org.gvsig.tools.util.Size64; |
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import org.gvsig.tools.util.UnmodifiableBasicList64; |
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/**
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* <p>
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* A FeatureStore is a type of store whose data consists on sets of
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* {@link Feature}(s). {@link Feature}(s) from the same FeatureStore can be of
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* different {@link FeatureType}(s) (as in GML format for instance).
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* </p>
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*
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* <p>
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* FeatureStore allows:
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* </p>
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* <ul>
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* <li>Obtaining the default {@link FeatureType}. A FeatureStore always has one
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* and only one default FeatureType.
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* <li>Obtaining the list of {@link FeatureType}(s) defined in the FeatureStore.
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* <li>Obtaining, filtering and sorting subsets of data ({@link FeatureSet})
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* through {@link FeatureQuery}, as well as background loading.
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* <li>Obtaining the total {@link Envelope} (AKA bounding box or extent) of the
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* store.
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* <li>Support for editing {@link FeatureType}(s).
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* <li>Obtaining information about contained {@link Geometry} types.
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* <li>Exporting to another store.
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* <li>Indexing.
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* <li>Selection.
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* <li>Locks management.
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* </ul>
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*
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*/
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public interface FeatureStore extends DataStore, UndoRedoStack, Cloneable, Iterable<Feature>, Size64 { |
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public static final String METADATA_DEFINITION_NAME = "FeatureStore"; |
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/** Indicates that this store is in query mode */
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final static int MODE_QUERY = 0; |
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/** Indicates that this store is in full edit mode */
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final static int MODE_FULLEDIT = 1; |
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/** Indicates that this store is in append mode */
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final static int MODE_APPEND = 2; |
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/*
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* =============================================================
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*
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* information related services
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*/
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/**
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* Indicates whether this store allows writing.
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*
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* @return
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* true if this store can be written, false if not.
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*/
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public boolean allowWrite(); |
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/**
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* Returns this store's default {@link FeatureType}.
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*
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* @return
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* this store's default {@link FeatureType}.
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*
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* @throws DataException
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*/
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public FeatureType getDefaultFeatureType() throws DataException; |
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public FeatureType getDefaultFeatureTypeQuietly();
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/**
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* Returns this store's featureType {@link FeatureType} matches with
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* featureTypeId.
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*
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* @param featureTypeId
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*
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* @return this store's default {@link FeatureType}.
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*
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* @throws DataException
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*/
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public FeatureType getFeatureType(String featureTypeId) |
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throws DataException;
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/**
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* Returns this store's {@link FeatureType}(s).
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*
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* @return a list with this store's {@link FeatureType}(s).
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*
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* @throws DataException
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*/
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public List getFeatureTypes() throws DataException; |
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/**
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* Returns this store's parameters.
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*
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* @return
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* {@link DataStoreParameters} containing this store's parameters
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*/
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public DataStoreParameters getParameters();
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/**
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* @param gvSIGgeometryType
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* @return
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* @throws DataException
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* @deprecated Mirar de cambiarlo a metadatos
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*/
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public boolean canWriteGeometry(int gvSIGgeometryType) throws DataException; |
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/**
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* Returns this store's total envelope (extent).
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*
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* @return this store's total envelope (extent) or <code>null</code> if
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* store not have geometry information
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* @throws org.gvsig.fmap.dal.exception.DataException
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*/
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public Envelope getEnvelope() throws DataException; |
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/**
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*
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* @deprecated use getDefaultFeatureType().getDefaultSRS()
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* @return
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* @throws DataException
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*/
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public IProjection getSRSDefaultGeometry() throws DataException; |
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/**
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* Exports this store to another store.
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*
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* @param explorer
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* {@link DataServerExplorer} target
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* @param provider
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* @param params
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* New parameters of this store that will be used on the target
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* explorer
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*
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* @throws DataException
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*
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* @Deprecated this method is unstable
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*/
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public void export(DataServerExplorer explorer, String provider, |
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NewFeatureStoreParameters params) throws DataException;
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public void copyTo(FeatureStore target); |
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/*
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* =============================================================
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*
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* Query related services
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*/
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/**
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* Create a {@link FeatureQuery} with the restrictions indicateds.
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*
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* "filter" will be null or a valid filter expression for the store.
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*
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* "sortBy" can be null to use the store's default order.
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*
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* The parameter sortBy can be an attribute name or a comma separated list.
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* Each attribute name can be preceded or followed by "+" or "-" to indicate
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* the order to use to sort by that attribute.
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*
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* If no "+" or "-" is indicated, the "asc" parameter will be used to
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* determine if the order is ascending, "true" or decent, "false".
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*
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* @param filter an {@link String} expression used to filter the features in the store.
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* @param sortBy Attribute names separated by commas used to sort the list to return.
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* @param asc use order ascending, true, or descending, false.
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* @return a {@link FeatureQuery} with the restrictions.
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* @see {@link FeatureQuery}
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*/
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public FeatureQuery createFeatureQuery(String filter, String sortBy, boolean asc); |
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/**
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* Create a {@link FeatureQuery} with the restrictions indicateds.
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*
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* "filter" will be null or {@link Expression} valid for the store.
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*
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* "sortBy" can be null to use the store's default order.
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*
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* The parameter sortBy can be an attribute name or a comma separated list.
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* Each attribute name can be preceded or followed by "+" or "-" to indicate
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* the order to use to sort by that attribute.
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*
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* If no "+" or "-" is indicated, the "asc" parameter will be used to
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* determine if the order is ascending, "true" or decent, "false".
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*
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* @param filter an {@link String} expression used to filter the features in the store.
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* @param sortBy Attribute names separated by commas used to sort the list to return.
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* @param asc use order ascending, true, or descending, false.
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* @return a {@link FeatureQuery} with the restrictions.
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* @see {@link FeatureQuery}
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*/
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public FeatureQuery createFeatureQuery(Expression filter, String sortBy, boolean asc); |
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/**
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* Returns all available features in the store.
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*
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* It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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*
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* @return the {@link FeatureSet}
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* @throws ReadException if there is any error while reading the features
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* @see {@link #accept(org.gvsig.tools.visitor.Visitor)}, {@link #getFeatureSet(FeatureQuery)}
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*/
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FeatureSet getFeatureSet() throws DataException;
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/**
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* Return a subset of features.
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*
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* It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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*
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* @param filter an {@link String} expression used to filter the features in the store.
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* @return the {@link FeatureSet}
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* @throws ReadException if there is any error while reading the features
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* @see {@link #createFeatureQuery(Expression,String,boolean)}, {@link #getFeatureSet(FeatureQuery)}
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*/
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FeatureSet getFeatureSet(String filter) throws DataException; |
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/**
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* Return a subset of features.
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*
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* It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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*
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* The sort order used is ascending.
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*
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* @param filter an {@link String} expression used to filter the features in the store.
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* @param sortBy Attribute names separated by commas used to sort the list to return.
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* @return the {@link FeatureSet}
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* @throws ReadException if there is any error while reading the features
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* @see {@link #createFeatureQuery(Expression,String,boolean)}, {@link #getFeatureSet(FeatureQuery)}
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*/
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FeatureSet getFeatureSet(String filter, String sortBy) throws DataException; |
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/**
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* Return a subset of features.
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*
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* It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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*
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* @param filter an {@link String} expression used to filter the features in the store.
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* @param sortBy Attribute names separated by commas used to sort the list to return.
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* @param asc use order ascending, true, or descending, false.
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* @return the {@link FeatureSet}
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* @throws ReadException if there is any error while reading the features
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* @see {@link #createFeatureQuery(Expression,String,boolean)}, {@link #getFeatureSet(FeatureQuery)}
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*/
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FeatureSet getFeatureSet(String filter, String sortBy, boolean asc) throws DataException; |
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/**
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* Return a subset of features.
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*
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* It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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*
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* @param filter an {@link Expression} used to filter the features in the store.
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* @return the {@link FeatureSet}
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* @throws DataException
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* @see {@link #createFeatureQuery(Expression,String,boolean)}, {@link #getFeatureSet(FeatureQuery)}
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*/
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FeatureSet getFeatureSet(Expression filter) throws DataException; |
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/**
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* Return a subset of features.
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*
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* It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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*
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* The sort order used is ascending.
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*
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* @param filter an {@link Expression} used to filter the features in the store.
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* @param sortBy Attribute names separated by commas used to sort the list to return.
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* @return the {@link FeatureSet}
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* @throws ReadException if there is any error while reading the features
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* @see {@link #createFeatureQuery(Expression,String,boolean)}, {@link #getFeatureSet(FeatureQuery)}
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*/
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FeatureSet getFeatureSet(Expression filter, String sortBy) throws DataException; |
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/**
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* Return a subset of features.
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*
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* It is a utility method that calls {@link #getFeatureSet(FeatureQuery)}
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*
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* @param filter an {@link Expression} used to filter the features in the store.
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* @param sortBy Attribute names separated by commas used to sort the list to return.
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* @param asc use order ascending, true, or descending, false.
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* @return the {@link FeatureSet}
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* @throws DataException
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* @see {@link #createFeatureQuery(Expression,String,boolean)}, {@link #getFeatureSet(FeatureQuery)}
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*/
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FeatureSet getFeatureSet(Expression filter, String sortBy, boolean asc) throws DataException; |
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/**
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* Returns a subset of features taking into account the properties and
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* restrictions of the {@link FeatureQuery}.
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*
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* If {@link FeatureQuery} is null, return al features in the store.
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*
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* <p>
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* <em>
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* <strong>NOTE:</strong> if you use this method to get a
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* {@link FeatureSet}, you must get sure it is disposed
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* (@see {@link DisposableIterator#dispose()}) in any case, even if an
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* error occurs while getting the data. It is recommended to use the
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* <code>accept</code> methods instead, which handle everything for you.
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* Take into account the accept methods may use a fast iterator to
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* get the features.
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* </em>
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* </p>
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*
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* @param featureQuery defines the characteristics of the features to return.
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* @return the {@link FeatureSet}
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* @throws ReadException if there is any error while reading the features.
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* @see #accept(org.gvsig.tools.visitor.Visitor, org.gvsig.fmap.dal.DataQuery)
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*/
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FeatureSet getFeatureSet(FeatureQuery featureQuery) throws DataException;
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/**
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* Loads a subset of features taking into account the properties and
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* restrictions of the FeatureQuery.
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* When feature loading is finished call the Observer passing the
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* {@link FeatureSet} loaded.
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*
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* @param featureQuery defines the characteristics of the features to return.
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* @param observer to be notified when loading is finished.
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* @throws DataException if there is any error while loading the features
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*/
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void getFeatureSet(FeatureQuery featureQuery, Observer observer) throws DataException; |
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/**
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* Loads all available feature in the store. The loading of Features is
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* performed by calling the Observer, once each loaded Feature.
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*
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* @param observer to be notified of each loaded Feature
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* @throws DataException if there is any error while loading the features
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*/
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void getFeatureSet(Observer observer) throws DataException; |
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/**
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* Return a paginated list of Features filtered by the query.
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*
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* If the query is null, return all features in the store sorteds
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* by default order.
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*
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* The return value implements {@link List} and {@link UnmodifiableBasicList64}
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* to support large list of features.
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*
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* The returned list of Features is paginated, and the page size
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* used is "pageSize".
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*
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* If the page size is less than or equal to 0, the default page size of
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* 100 will be used.
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*
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* @param query to filter and sort the returned feature list
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* @param pageSize the page size of the list
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* @return the {@link List}/{@link UnmodifiableBasicList64} of features
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*/
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public List<Feature> getFeatures(FeatureQuery query, int pageSize); |
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|
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/**
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* Return a paginated list of Features.
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*
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* It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
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* using the default page size.
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*
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* @param query to filter and sort the returned feature list
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* @return the {@link List}/{@link UnmodifiableBasicList64} of features
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* @see {@link #getFeatures(FeatureQuery, int)}
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*/
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public List<Feature> getFeatures(FeatureQuery query); |
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|
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/**
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* Return a paginated list with al Features in the store.
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*
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* It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
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* using the default page size.
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*
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* @return the {@link List}/{@link UnmodifiableBasicList64} of features
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* @see {@link #getFeatures(FeatureQuery, int)}
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*/
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public List<Feature> getFeatures(); |
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|
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/**
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* Return a paginated list of Features
|
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*
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* It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
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*
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* @param filter used to filter the features in the store.
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* @return the List of Features
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* @see {@link #getFeatures(FeatureQuery, int)}, {@link #createFeatureQuery(String,String,boolean)}
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*/
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public List<Feature> getFeatures(String filter); |
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|
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/**
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* Return a paginated list of Features.
|
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*
|
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* It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
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* using the default page size.
|
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*
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* @param filter used to filter the features in the store.
|
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* @param sortBy Attribute names separated by commas used to sort the list to return.
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* @return the {@link List}/{@link UnmodifiableBasicList64} of features
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* @see {@link #getFeatures(FeatureQuery, int)}, {@link #createFeatureQuery(String,String,boolean)}
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*/
|
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public List<Feature> getFeatures(String filter, String sortBy); |
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|
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/**
|
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* Return a paginated list of Features.
|
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*
|
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* It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
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* using the default page size.
|
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*
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* @param filter an {@link String} expression used to filter the features in the store.
|
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* @param sortBy Attribute names separated by commas used to sort the list to return.
|
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* @param asc use order ascending, true, or descending, false.
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* @return the {@link List}/{@link UnmodifiableBasicList64} of features
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* @see {@link #getFeatures(FeatureQuery, int)}, {@link #createFeatureQuery(String,String,boolean)}
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*/
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public List<Feature> getFeatures(String filter, String sortBy, boolean asc); |
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|
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/**
|
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* Return a paginated list of Features
|
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*
|
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* It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
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* using the default page size.
|
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*
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* @param filter an {@link Expression} used to filter the features in the store.
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* @return the List of Features
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* @see {@link #getFeatures(FeatureQuery, int)}, {@link #createFeatureQuery(Expression,String,boolean)}
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*/
|
473 |
public List<Feature> getFeatures(Expression filter); |
474 |
|
475 |
/**
|
476 |
* Return a paginated list of Features
|
477 |
*
|
478 |
* It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
479 |
* using the default page size.
|
480 |
*
|
481 |
* @param filter an {@link Expression} used to filter the features in the store.
|
482 |
* @param sortBy Attribute names separated by commas used to sort the list to return.
|
483 |
* @return the {@link List}/{@link UnmodifiableBasicList64} of features
|
484 |
* @see {@link #getFeatures(FeatureQuery, int)}, {@link #createFeatureQuery(Expression,String,boolean)}
|
485 |
*/
|
486 |
public List<Feature> getFeatures(Expression filter, String sortBy); |
487 |
|
488 |
/**
|
489 |
* Return a paginated list of Features
|
490 |
*
|
491 |
* It is a utility method that calls {@link #getFeatures(FeatureQuery, int)}
|
492 |
* using the default page size.
|
493 |
*
|
494 |
* @param filter an {@link Expression} used to filter the features in the store.
|
495 |
* @param sortBy Attribute names separated by commas used to sort the list to return.
|
496 |
* @param asc use order ascending, true, or descending, false.
|
497 |
* @return the {@link List}/{@link UnmodifiableBasicList64} of features
|
498 |
* @see {@link #getFeatures(FeatureQuery, int)}, {@link #createFeatureQuery(Expression,String,boolean)}
|
499 |
*/
|
500 |
public List<Feature> getFeatures(Expression filter, String sortBy, boolean asc); |
501 |
|
502 |
/**
|
503 |
* Return the first {@link Feature} of the store.
|
504 |
*
|
505 |
* @return the first {@link Feature} or null if the store is empty.
|
506 |
* @throws DataException
|
507 |
*/
|
508 |
public Feature first() throws DataException; |
509 |
|
510 |
/**
|
511 |
* Returns the first {@link Feature} that meets the criteria indicated.
|
512 |
*
|
513 |
* It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
514 |
*
|
515 |
* @param filter {@link String} expression used to filter the features.
|
516 |
* @return the first {@link Feature} or null if the filter don't return any feature.
|
517 |
* @throws DataException
|
518 |
* @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(String,String,boolean)}
|
519 |
*/
|
520 |
public Feature findFirst(String filter) throws DataException; |
521 |
|
522 |
/**
|
523 |
* Returns the first {@link Feature} that meets the criteria indicated.
|
524 |
*
|
525 |
* It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
526 |
*
|
527 |
* @param filter {@link String} expression used to filter the features.
|
528 |
* @param sortBy Attribute names separated by commas used to sort the list to return.
|
529 |
* @return the first {@link Feature} or null if the filter don't return any feature.
|
530 |
* @throws DataException
|
531 |
* @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(String,String,boolean)}
|
532 |
*/
|
533 |
public Feature findFirst(String filter, String sortBy) throws DataException; |
534 |
|
535 |
/**
|
536 |
* Returns the first {@link Feature} that meets the criteria indicated.
|
537 |
*
|
538 |
* It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
539 |
*
|
540 |
* @param filter {@link String} expression used to filter the features.
|
541 |
* @param sortBy Attribute names separated by commas used to sort the list to return.
|
542 |
* @param asc use order ascending, true, or descending, false.
|
543 |
* @return the first {@link Feature} or null if the filter don't return any feature.
|
544 |
* @throws DataException
|
545 |
* @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(String,String,boolean)}
|
546 |
*/
|
547 |
public Feature findFirst(String filter, String sortBy, boolean asc) throws DataException; |
548 |
|
549 |
/**
|
550 |
* Returns the first {@link Feature} that meets the criteria indicated.
|
551 |
*
|
552 |
* It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
553 |
*
|
554 |
* @param filter {@link String} expression used to filter the features.
|
555 |
* @return the first {@link Feature} or null if the filter don't return any feature.
|
556 |
* @throws DataException
|
557 |
* @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(Expession,String,boolean)}
|
558 |
*/
|
559 |
public Feature findFirst(Expression filter) throws DataException; |
560 |
|
561 |
/**
|
562 |
* Returns the first {@link Feature} that meets the criteria indicated.
|
563 |
*
|
564 |
* It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
565 |
*
|
566 |
* @param filter {@link String} expression used to filter the features.
|
567 |
* @param sortBy Attribute names separated by commas used to sort the list to return.
|
568 |
* @return the first {@link Feature} or null if the filter don't return any feature.
|
569 |
* @throws DataException
|
570 |
* @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(Expession,String,boolean)}
|
571 |
*/
|
572 |
public Feature findFirst(Expression filter, String sortBy) throws DataException; |
573 |
|
574 |
/**
|
575 |
* Returns the first {@link Feature} that meets the criteria indicated.
|
576 |
*
|
577 |
* It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
578 |
*
|
579 |
* @param filter {@link String} expression used to filter the features.
|
580 |
* @param sortBy Attribute names separated by commas used to sort the list to return.
|
581 |
* @param asc use order ascending, true, or descending, false.
|
582 |
* @return the first {@link Feature} or null if the filter don't return any feature.
|
583 |
* @throws DataException
|
584 |
* @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(Expession,String,boolean)}
|
585 |
*/
|
586 |
public Feature findFirst(Expression filter, String sortBy, boolean asc) throws DataException; |
587 |
|
588 |
/**
|
589 |
* Returns the first {@link Feature} that meets the criteria indicated.
|
590 |
*
|
591 |
* It is a utility method that calls {@link #findFirst(FeatureQuery)}.
|
592 |
*
|
593 |
* @param query to filter and sort the returned feature list
|
594 |
* @return the first {@link Feature} or null if the filter don't return any feature.
|
595 |
* @throws DataException
|
596 |
* @see {@link #findFirst(FeatureQuery)}, {@link #createFeatureQuery(Expession,String,boolean)}
|
597 |
*/
|
598 |
public Feature findFirst(FeatureQuery query) throws DataException; |
599 |
|
600 |
/**
|
601 |
* Returns the feature given its reference.
|
602 |
*
|
603 |
* @param reference a unique FeatureReference
|
604 |
* @return
|
605 |
* @returnThe Feature
|
606 |
* @throws DataException
|
607 |
*
|
608 |
*/
|
609 |
public Feature getFeatureByReference(FeatureReference reference) throws DataException; |
610 |
|
611 |
/**
|
612 |
* Returns the feature given its reference and feature type.
|
613 |
*
|
614 |
* @param reference
|
615 |
* a unique FeatureReference
|
616 |
*
|
617 |
* @param featureType
|
618 |
* FeatureType to which the requested Feature belongs
|
619 |
*
|
620 |
* @return
|
621 |
* The Feature
|
622 |
*
|
623 |
* @throws DataException
|
624 |
*
|
625 |
*/
|
626 |
public Feature getFeatureByReference(FeatureReference reference,
|
627 |
FeatureType featureType) throws DataException;
|
628 |
|
629 |
/*
|
630 |
* =============================================================
|
631 |
*
|
632 |
* Editing related services
|
633 |
*/
|
634 |
|
635 |
/**
|
636 |
* Enters editing state.
|
637 |
* @throws org.gvsig.fmap.dal.exception.DataException
|
638 |
*/
|
639 |
public void edit() throws DataException; |
640 |
|
641 |
/**
|
642 |
* Enters editing state specifying the editing mode.
|
643 |
*
|
644 |
* @param mode
|
645 |
*
|
646 |
* @throws DataException
|
647 |
*/
|
648 |
public void edit(int mode) throws DataException; |
649 |
|
650 |
/**
|
651 |
* Cancels all editing since the last edit().
|
652 |
*
|
653 |
* @throws DataException
|
654 |
*/
|
655 |
public void cancelEditing() throws DataException; |
656 |
|
657 |
/**
|
658 |
* Exits editing state.
|
659 |
*
|
660 |
* @throws DataException
|
661 |
*/
|
662 |
public void finishEditing() throws DataException; |
663 |
|
664 |
/**
|
665 |
* Save changes in the provider without leaving the edit mode.
|
666 |
* Do not call observers to communicate a change of ediding mode.
|
667 |
* The operation's history is eliminated to prevent inconsistencies
|
668 |
* in the data.
|
669 |
*
|
670 |
* @throws DataException
|
671 |
*/
|
672 |
public void commitChanges() throws DataException ; |
673 |
|
674 |
/**
|
675 |
*
|
676 |
* Returns true if you can call CommitChanges method.
|
677 |
* If not in editing or changes have been made in the structure
|
678 |
* return false.
|
679 |
*
|
680 |
* @return true if can call commitChanges
|
681 |
* @throws DataException
|
682 |
*/
|
683 |
public boolean canCommitChanges() throws DataException; |
684 |
|
685 |
|
686 |
/**
|
687 |
* Indicates whether this store is in editing state.
|
688 |
*
|
689 |
* @return
|
690 |
* true if this store is in editing state, false if not.
|
691 |
*/
|
692 |
public boolean isEditing(); |
693 |
|
694 |
/**
|
695 |
* Indicates whether this store is in appending state. In this state the new
|
696 |
* features are automatically inserted at the end of the {@link FeatureSet}.
|
697 |
*
|
698 |
* @return true if this store is in appending state.
|
699 |
*/
|
700 |
public boolean isAppending(); |
701 |
|
702 |
/**
|
703 |
* Updates a {@link FeatureType} in the store with the changes in the
|
704 |
* {@link EditableFeatureType}.<br>
|
705 |
*
|
706 |
* Any {@link FeatureSet} from this store that are used will be invalidated.
|
707 |
*
|
708 |
* @param featureType
|
709 |
* an {@link EditableFeatureType} with the changes.
|
710 |
*
|
711 |
* @throws DataException
|
712 |
*/
|
713 |
public void update(EditableFeatureType featureType) throws DataException; |
714 |
|
715 |
/**
|
716 |
* Updates a {@link Feature} in the store with the changes in the
|
717 |
* {@link EditableFeature}.<br>
|
718 |
*
|
719 |
* Any {@link FeatureSet} from this store that was still in use will be
|
720 |
* invalidated. You can override this using
|
721 |
* {@link FeatureSet#update(EditableFeature)}.
|
722 |
*
|
723 |
* @param feature
|
724 |
* the feature to be updated
|
725 |
*
|
726 |
* @throws DataException
|
727 |
*/
|
728 |
public void update(EditableFeature feature) throws DataException; |
729 |
|
730 |
/**
|
731 |
* Deletes a {@link Feature} from the store.<br>
|
732 |
*
|
733 |
* Any {@link FeatureSet} from this store that was still in use will be
|
734 |
* invalidated. You can override this using {@link Iterator#remove()} from
|
735 |
* {@link FeatureSet}.
|
736 |
*
|
737 |
* @param feature
|
738 |
* The feature to be deleted.
|
739 |
*
|
740 |
* @throws DataException
|
741 |
*/
|
742 |
public void delete(Feature feature) throws DataException; |
743 |
|
744 |
/**
|
745 |
* Inserts a {@link Feature} in the store.<br>
|
746 |
*
|
747 |
* Any {@link FeatureSet} from this store that was still in use will be
|
748 |
* invalidated. You can override this using
|
749 |
* {@link FeatureSet#insert(EditableFeature)}.
|
750 |
*
|
751 |
* @param feature
|
752 |
* The feature to be inserted
|
753 |
*
|
754 |
* @throws DataException
|
755 |
*/
|
756 |
public void insert(EditableFeature feature) throws DataException; |
757 |
|
758 |
/**
|
759 |
* Inserts a set of {@link Feature} in the store.
|
760 |
*
|
761 |
* The attributes of the feature are copied from the features of the set
|
762 |
* by name, forcing the conversion of types if necessary.
|
763 |
*
|
764 |
* Any {@link FeatureSet} from this store that was still in use will be
|
765 |
* invalidated.
|
766 |
*
|
767 |
* @param set, set with the source features.
|
768 |
* @throws DataException
|
769 |
*/
|
770 |
public void insert(FeatureSet set) throws DataException; |
771 |
|
772 |
/**
|
773 |
* Creates a new feature using the default feature type and returns it as an
|
774 |
* {@link EditableFeature}
|
775 |
*
|
776 |
* @return a new feature in editable state
|
777 |
*
|
778 |
* @throws DataException
|
779 |
*/
|
780 |
public EditableFeature createNewFeature() throws DataException; |
781 |
|
782 |
/**
|
783 |
* Creates a new feature of the given {@link FeatureType} and uses the given
|
784 |
* {@link Feature} as default values to initialize it.
|
785 |
*
|
786 |
* @param type
|
787 |
* the new feature's feature type
|
788 |
*
|
789 |
* @param defaultValues
|
790 |
* a feature whose values are used as default values for the new
|
791 |
* feature.
|
792 |
*
|
793 |
* @return the new feature.
|
794 |
*
|
795 |
* @throws DataException
|
796 |
*/
|
797 |
public EditableFeature createNewFeature(FeatureType type,
|
798 |
Feature defaultValues) throws DataException;
|
799 |
|
800 |
/**
|
801 |
* Creates a new feature of the given {@link FeatureType}. The flag
|
802 |
* defaultValues is used to indicate whether the new feature should be
|
803 |
* initialized with default values or not.
|
804 |
*
|
805 |
* @param type
|
806 |
* the new feature's feature type
|
807 |
*
|
808 |
* @param defaultValues
|
809 |
* if true the new feature is initialized with each attribute's
|
810 |
* default value.
|
811 |
*
|
812 |
* @return
|
813 |
* the new feature
|
814 |
*
|
815 |
* @throws DataException
|
816 |
*/
|
817 |
public EditableFeature createNewFeature(FeatureType type,
|
818 |
boolean defaultValues) throws DataException; |
819 |
|
820 |
/**
|
821 |
* Creates a new feature of default {@link FeatureType}. The flag
|
822 |
* defaultValues is used to indicate whether the new feature should be
|
823 |
* initialized with default values or not.
|
824 |
*
|
825 |
* @param defaultValues
|
826 |
* if true the new feature is initialized with each attribute's
|
827 |
* default value.
|
828 |
*
|
829 |
* @return
|
830 |
* the new feature
|
831 |
*
|
832 |
* @throws DataException
|
833 |
*/
|
834 |
public EditableFeature createNewFeature(boolean defaultValues) |
835 |
throws DataException;
|
836 |
|
837 |
/**
|
838 |
* Creates a new feature of default {@link FeatureType}.
|
839 |
* The new feature should be initialized with the values of the feature
|
840 |
* passed as parameter.
|
841 |
* Values are inicialiced by name from the feature specified. Error in
|
842 |
* value assignement are ignoreds.
|
843 |
*
|
844 |
* @param defaultValues the values to initialize the new feature.
|
845 |
* @return the new feature
|
846 |
* @throws DataException
|
847 |
*/
|
848 |
public EditableFeature createNewFeature(Feature defaultValues)
|
849 |
throws DataException;
|
850 |
|
851 |
public EditableFeature createNewFeature(JsonObject defaultValues)
|
852 |
throws DataException;
|
853 |
|
854 |
/**
|
855 |
* Applies the validation rules associated to the given mode to the active
|
856 |
* {@link FeatureSet}.
|
857 |
*
|
858 |
* @param mode
|
859 |
* can be one of {MODE_QUERY, MODE_FULLEDIT, MODE_APPEND}
|
860 |
*
|
861 |
* @throws DataException
|
862 |
*/
|
863 |
public void validateFeatures(int mode) throws DataException; |
864 |
|
865 |
/**
|
866 |
* Indicates whether this store supports append mode.
|
867 |
*
|
868 |
* @return
|
869 |
* true if this store supports append mode.
|
870 |
*/
|
871 |
public boolean isAppendModeSupported(); |
872 |
|
873 |
/**
|
874 |
* Initiates an editing group. This is typically used to group series of
|
875 |
* store editing operations.
|
876 |
*
|
877 |
* @param description
|
878 |
* Description of the editing group.
|
879 |
*
|
880 |
* @throws NeedEditingModeException
|
881 |
*/
|
882 |
public void beginEditingGroup(String description) |
883 |
throws NeedEditingModeException;
|
884 |
|
885 |
/**
|
886 |
* Finishes an editing group.
|
887 |
*
|
888 |
* @throws NeedEditingModeException
|
889 |
*/
|
890 |
public void endEditingGroup() throws NeedEditingModeException; |
891 |
|
892 |
/*
|
893 |
* =============================================================
|
894 |
*
|
895 |
* Index related services
|
896 |
*/
|
897 |
|
898 |
/**
|
899 |
* Creates an index which will be applied to the features of the given type,
|
900 |
* by using the data of the given attribute.
|
901 |
*
|
902 |
* @param featureType
|
903 |
* The FeatureType to which the indexed attribute belongs.
|
904 |
*
|
905 |
* @param attributeName
|
906 |
* The name of the attributed to be indexed
|
907 |
*
|
908 |
* @param indexName
|
909 |
* The index name
|
910 |
*
|
911 |
* @return the resulting {@link FeatureIndex}
|
912 |
*
|
913 |
*
|
914 |
* @throws FeatureIndexException
|
915 |
* if there is an error creating the index
|
916 |
*/
|
917 |
public FeatureIndex createIndex(FeatureType featureType,
|
918 |
String attributeName, String indexName) throws DataException; |
919 |
|
920 |
/**
|
921 |
* Creates an index which will be applied to the features of the given type,
|
922 |
* by using the data of the given attribute.
|
923 |
*
|
924 |
* @param indexTypeName
|
925 |
* the type of the index to be created. That name is
|
926 |
* related to one of the registered index providers
|
927 |
* @param featureType
|
928 |
* The FeatureType to which the indexed attribute belongs.
|
929 |
*
|
930 |
* @param attributeName
|
931 |
* The name of the attributed to be indexed
|
932 |
*
|
933 |
* @param indexName
|
934 |
* The index name
|
935 |
*
|
936 |
* @return the resulting {@link FeatureIndex}
|
937 |
*
|
938 |
*
|
939 |
* @throws FeatureIndexException
|
940 |
* if there is an error creating the index
|
941 |
*/
|
942 |
public FeatureIndex createIndex(String indexTypeName, |
943 |
FeatureType featureType, String attributeName, String indexName) |
944 |
throws DataException;
|
945 |
|
946 |
/**
|
947 |
* Creates an index which will be applied to the features of the given type,
|
948 |
* by using the data of the given attribute. This method will return without
|
949 |
* waiting for the index to be filled, as that will be performed in
|
950 |
* background. An optional {@link Observer} parameter is provided to be
|
951 |
* notified ( {@link FeatureStoreNotification#INDEX_FILLING_SUCCESS} )
|
952 |
* when the index has finished filling with data and is available to be
|
953 |
* used.
|
954 |
*
|
955 |
* @param featureType
|
956 |
* The FeatureType to which the indexed attribute belongs.
|
957 |
*
|
958 |
* @param attributeName
|
959 |
* The name of the attributed to be indexed
|
960 |
*
|
961 |
* @param indexName
|
962 |
* The index name
|
963 |
*
|
964 |
* @param observer
|
965 |
* to notify to when the created index has finished filling
|
966 |
* with data and is available to be used. The observer will
|
967 |
* receive then a
|
968 |
* {@link FeatureStoreNotification#INDEX_FILLING_SUCCESS}
|
969 |
* notification, with the index object if it has finished
|
970 |
* successfully, or a
|
971 |
* {@link FeatureStoreNotification#INDEX_FILLING_ERROR}
|
972 |
* notification with the exception object if there has been
|
973 |
* any error in the process. Optional.
|
974 |
*
|
975 |
* @return the resulting {@link FeatureIndex}
|
976 |
*
|
977 |
* @see FeatureStoreNotification#INDEX_FILLING_STARTED
|
978 |
* @see FeatureStoreNotification#INDEX_FILLING_SUCCESS
|
979 |
* @see FeatureStoreNotification#INDEX_FILLING_CANCELLED
|
980 |
* @see FeatureStoreNotification#INDEX_FILLING_ERROR
|
981 |
*
|
982 |
* @throws FeatureIndexException
|
983 |
* if there is an error creating the index
|
984 |
*/
|
985 |
public FeatureIndex createIndex(FeatureType featureType,
|
986 |
String attributeName, String indexName, Observer observer) |
987 |
throws DataException;
|
988 |
|
989 |
/**
|
990 |
* Creates an index which will be applied to the features of the given type,
|
991 |
* by using the data of the given attribute. This method will return without
|
992 |
* waiting for the index to be filled, as that will be performed in
|
993 |
* background. An optional {@link Observer} parameter is provided to be
|
994 |
* notified ( {@link FeatureStoreNotification#INDEX_FILLING_SUCCESS} )
|
995 |
* when the index has finished filling with data and is available to be
|
996 |
* used.
|
997 |
*
|
998 |
* @param indexTypeName
|
999 |
* the type of the index to be created. That name is
|
1000 |
* related to one of the registered index providers
|
1001 |
* @param featureType
|
1002 |
* The FeatureType to which the indexed attribute belongs.
|
1003 |
*
|
1004 |
* @param attributeName
|
1005 |
* The name of the attributed to be indexed
|
1006 |
*
|
1007 |
* @param indexName
|
1008 |
* The index name
|
1009 |
*
|
1010 |
* @param observer
|
1011 |
* to notify to when the created index has finished filling
|
1012 |
* with data and is available to be used. The observer will
|
1013 |
* receive then a
|
1014 |
* {@link FeatureStoreNotification#INDEX_FILLING_SUCCESS}
|
1015 |
* notification, with the index object if it has finished
|
1016 |
* successfully, or a
|
1017 |
* {@link FeatureStoreNotification#INDEX_FILLING_ERROR}
|
1018 |
* notification with the exception object if there has been
|
1019 |
* any error in the process. Optional.
|
1020 |
*
|
1021 |
* @return the resulting {@link FeatureIndex}
|
1022 |
*
|
1023 |
* @see FeatureStoreNotification#INDEX_FILLING_STARTED
|
1024 |
* @see FeatureStoreNotification#INDEX_FILLING_SUCCESS
|
1025 |
* @see FeatureStoreNotification#INDEX_FILLING_CANCELLED
|
1026 |
* @see FeatureStoreNotification#INDEX_FILLING_ERROR
|
1027 |
*
|
1028 |
* @throws FeatureIndexException
|
1029 |
* if there is an error creating the index
|
1030 |
*/
|
1031 |
public FeatureIndex createIndex(String indexTypeName, |
1032 |
FeatureType featureType, String attributeName, String indexName, |
1033 |
Observer observer) throws DataException; |
1034 |
|
1035 |
/**
|
1036 |
* Returns a FeatureIndexes structure containing all available indexes in
|
1037 |
* the store.
|
1038 |
*
|
1039 |
* @return
|
1040 |
*/
|
1041 |
public FeatureIndexes getIndexes();
|
1042 |
|
1043 |
/*
|
1044 |
* =============================================================
|
1045 |
*
|
1046 |
* Selection related services
|
1047 |
*/
|
1048 |
|
1049 |
/**
|
1050 |
* Sets the selection to the passed {@link FeatureSet}
|
1051 |
*
|
1052 |
* @param selection
|
1053 |
* A {@link FeatureSet} with the requested selection
|
1054 |
* @throws org.gvsig.fmap.dal.exception.DataException
|
1055 |
*/
|
1056 |
public void setSelection(FeatureSet selection) throws DataException; |
1057 |
|
1058 |
/**
|
1059 |
* Creates a {@link FeatureSelection}
|
1060 |
*
|
1061 |
* @return
|
1062 |
* a {@link FeatureSelection}
|
1063 |
*
|
1064 |
* @throws DataException
|
1065 |
*/
|
1066 |
public FeatureSelection createFeatureSelection() throws DataException; |
1067 |
|
1068 |
/**
|
1069 |
* Returns the current {@link FeatureSelection}.
|
1070 |
* Create a empty selection if not exits.
|
1071 |
*
|
1072 |
* Manage of the selection can be slow on some data sources.
|
1073 |
* Use with care.
|
1074 |
* In data sources that do not support position access to records,
|
1075 |
* it may be slow to retrieve items from the selection. In some data
|
1076 |
* sources it may be necessary to access to this to retrieve each
|
1077 |
* item in the selection.
|
1078 |
*
|
1079 |
* @return
|
1080 |
* current {@link FeatureSelection}.
|
1081 |
*
|
1082 |
* @throws DataException
|
1083 |
*/
|
1084 |
public FeatureSelection getFeatureSelection() throws DataException; |
1085 |
|
1086 |
/*
|
1087 |
* =============================================================
|
1088 |
*
|
1089 |
* Lock related services
|
1090 |
*/
|
1091 |
|
1092 |
/**
|
1093 |
* Indicates whether this store supports locks.
|
1094 |
*
|
1095 |
* @return
|
1096 |
* true if this store supports locks, false if not.
|
1097 |
*/
|
1098 |
public boolean isLocksSupported(); |
1099 |
|
1100 |
/**
|
1101 |
* Returns the set of locked features
|
1102 |
*
|
1103 |
* @return
|
1104 |
* set of locked features
|
1105 |
*
|
1106 |
* @throws DataException
|
1107 |
*/
|
1108 |
public FeatureLocks getLocks() throws DataException; |
1109 |
|
1110 |
/*
|
1111 |
* =============================================================
|
1112 |
* Transforms related services
|
1113 |
* =============================================================
|
1114 |
*/
|
1115 |
|
1116 |
/**
|
1117 |
* Returns this store transforms
|
1118 |
*
|
1119 |
* @return
|
1120 |
* this store transforms
|
1121 |
*/
|
1122 |
public FeatureStoreTransforms getTransforms();
|
1123 |
|
1124 |
/**
|
1125 |
* Returns a new {@link FeatureQuery} associated to this store.
|
1126 |
*
|
1127 |
* @return
|
1128 |
* a new {@link FeatureQuery} associated to this store.
|
1129 |
*/
|
1130 |
public FeatureQuery createFeatureQuery();
|
1131 |
|
1132 |
/**
|
1133 |
* Returns featue count of this store.
|
1134 |
*
|
1135 |
* @return
|
1136 |
* @throws DataException
|
1137 |
*/
|
1138 |
public long getFeatureCount() throws DataException; |
1139 |
|
1140 |
// /**
|
1141 |
// * Creates a vectorial cache that is used to save and retrieve data.
|
1142 |
// *
|
1143 |
// * @param name
|
1144 |
// * the cache name.
|
1145 |
// * @param parameters
|
1146 |
// * parameters to create the stores used to save data.
|
1147 |
// * @throws DataException
|
1148 |
// */
|
1149 |
// public void createCache(String name, DynObject parameters)
|
1150 |
// throws DataException;
|
1151 |
//
|
1152 |
// /**
|
1153 |
// * @return the vectorial cache
|
1154 |
// */
|
1155 |
// public FeatureCache getCache();
|
1156 |
|
1157 |
/**
|
1158 |
* Return if the provider knows the real envelope of a layer. If not,
|
1159 |
* the {@link FeatureStoreProvider#getEnvelope()} method doesn't return
|
1160 |
* the full envelope.
|
1161 |
*
|
1162 |
* @return true if it knows the real envelope.
|
1163 |
*/
|
1164 |
public boolean isKnownEnvelope(); |
1165 |
|
1166 |
/**
|
1167 |
* Return if the maximum number of features provided by the
|
1168 |
* provider are limited.
|
1169 |
*
|
1170 |
* @return true if there is a limit of features.
|
1171 |
*/
|
1172 |
public boolean hasRetrievedFeaturesLimit(); |
1173 |
|
1174 |
/**
|
1175 |
* If the {@link FeatureStoreProvider#hasRetrievedFeaturesLimit()} returns
|
1176 |
* true,
|
1177 |
* it returns the limit of features retrieved from the provider.
|
1178 |
*
|
1179 |
* @return
|
1180 |
* The limit of the retrieved features.
|
1181 |
*/
|
1182 |
public int getRetrievedFeaturesLimit(); |
1183 |
|
1184 |
/**
|
1185 |
* Return the associated feature to the dynobject.
|
1186 |
* If the dynobject isn't associated to a feature of this store, return null.
|
1187 |
*
|
1188 |
* @param dynobject
|
1189 |
* @return
|
1190 |
*/
|
1191 |
public Feature getFeature(DynObject dynobject);
|
1192 |
|
1193 |
|
1194 |
public ExpressionBuilder createExpressionBuilder();
|
1195 |
|
1196 |
/**
|
1197 |
*
|
1198 |
* @return
|
1199 |
* @deprecated use createExpressionBuilder
|
1200 |
*/
|
1201 |
public ExpressionBuilder createExpression();
|
1202 |
|
1203 |
public void createCache(String name, DynObject parameters) |
1204 |
throws DataException;
|
1205 |
|
1206 |
@Override
|
1207 |
public FeatureCache getCache();
|
1208 |
|
1209 |
public boolean isBroken(); |
1210 |
|
1211 |
public Throwable getBreakingsCause(); |
1212 |
|
1213 |
/**
|
1214 |
* Indicates if the storage is temporary.
|
1215 |
* There is no guarantee that a temporary store can be recovered from
|
1216 |
* its parameters. In general these will not be persistent.
|
1217 |
*
|
1218 |
* @return true if the store is temporary, otherwise false.
|
1219 |
*/
|
1220 |
public boolean isTemporary(); |
1221 |
|
1222 |
/**
|
1223 |
* @param index
|
1224 |
* @return
|
1225 |
*/
|
1226 |
public SpatialIndex wrapSpatialIndex(SpatialIndex index);
|
1227 |
|
1228 |
public FeatureReference getFeatureReference(String code); |
1229 |
|
1230 |
/**
|
1231 |
* Devuelbe el numero de operaciones pendientes de guardar en una sesion
|
1232 |
* de edicion. Es un valor orientativo.
|
1233 |
* Las operaciones pendientes son la suma de operaciones de borrado, insercion
|
1234 |
* o modificacion de las features en una sesion de edicion.
|
1235 |
*
|
1236 |
* Retorna 0 si no esta en edicion.
|
1237 |
*
|
1238 |
* @return numero de operaciones pendientes.
|
1239 |
*/
|
1240 |
public long getPendingChangesCount(); |
1241 |
|
1242 |
public Feature getSampleFeature();
|
1243 |
|
1244 |
/**
|
1245 |
* Return true when the default feature type of the store
|
1246 |
* support references.
|
1247 |
*
|
1248 |
* @return true when support references.
|
1249 |
*/
|
1250 |
public boolean supportReferences(); |
1251 |
} |