Revision 41818 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
FeatureStore.java | ||
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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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* |
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* <p> |
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* FeatureStore allows: |
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* </p> |
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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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*/ |
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public interface FeatureStore extends DataStore, UndoRedoStack, Cloneable { |
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/* |
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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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* |
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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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|
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/** |
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* Returns this store's default {@link FeatureType}. |
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*
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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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* |
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* @throws DataException |
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*/ |
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public FeatureType getDefaultFeatureType() throws DataException; |
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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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* |
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* @param featureTypeId |
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*
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* |
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* @return this store's default {@link FeatureType}. |
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*
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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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|
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/** |
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* Returns this store's {@link FeatureType}(s). |
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*
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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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* |
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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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/** |
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* Returns this store's parameters. |
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*
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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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|
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/** |
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* Returns this store's total envelope (extent). |
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*
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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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*/ |
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public Envelope getEnvelope() throws DataException; |
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/** |
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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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/** |
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* Exports this store to another store. |
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*
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* |
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* @param explorer |
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* {@link DataServerExplorer} target |
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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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* |
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* @throws DataException |
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*
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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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|
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/* |
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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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* Returns all available features in the store. |
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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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* <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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* |
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* @see #accept(org.gvsig.tools.visitor.Visitor) |
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*
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* |
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* @return a collection of features |
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* @throws ReadException |
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* if there is any error while reading the features |
... | ... | |
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* restrictions of the FeatureQuery. |
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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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* <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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* |
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* @see #accept(org.gvsig.tools.visitor.Visitor, |
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* org.gvsig.fmap.dal.DataQuery) |
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*
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* |
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* @param featureQuery |
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* defines the characteristics of the features to return |
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* @return a collection of features |
... | ... | |
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* Loads a subset of features taking into account the properties and |
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* restrictions of the FeatureQuery. Feature loading is performed by calling |
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* the Observer, once each loaded Feature. |
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*
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* |
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* @param featureQuery |
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* defines the characteristics of the features to return |
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* @param observer |
... | ... | |
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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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* |
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* @param observer |
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* to be notified of each loaded Feature |
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* @throws DataException |
... | ... | |
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|
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/** |
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* Returns the feature given its reference. |
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*
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* |
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* @param reference |
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* a unique FeatureReference |
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* @return |
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* The Feature |
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*
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* |
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* @throws DataException |
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*
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* |
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*/ |
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public Feature getFeatureByReference(FeatureReference reference) |
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throws DataException; |
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|
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/** |
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* Returns the feature given its reference and feature type. |
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*
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* |
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* @param reference |
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* a unique FeatureReference |
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*
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* |
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* @param featureType |
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* FeatureType to which the requested Feature belongs |
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*
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* |
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* @return |
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* The Feature |
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*
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* |
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* @throws DataException |
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*
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* |
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*/ |
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public Feature getFeatureByReference(FeatureReference reference, |
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FeatureType featureType) throws DataException; |
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|
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/* |
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* ============================================================= |
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*
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* |
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* Editing related services |
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*/ |
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|
... | ... | |
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|
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/** |
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* Enters editing state specifying the editing mode. |
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*
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* |
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* @param mode |
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*
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* |
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* @throws DataException |
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*/ |
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public void edit(int mode) throws DataException; |
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|
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/** |
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* Cancels all editing since the last edit(). |
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*
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* |
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* @throws DataException |
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*/ |
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public void cancelEditing() throws DataException; |
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|
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/** |
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* Exits editing state. |
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*
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* |
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* @throws DataException |
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*/ |
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public void finishEditing() throws DataException; |
... | ... | |
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* Returns true if you can call CommitChanges method. |
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* If not in editing or changes have been made in the structure |
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* return false. |
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*
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* |
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* @return true if can call commitChanges |
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* @throws DataException
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* @throws DataException |
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*/ |
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public boolean canCommitChanges() throws DataException; |
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|
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/** |
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* Indicates whether this store is in editing state. |
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*
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* |
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* @return |
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* true if this store is in editing state, false if not. |
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*/ |
... | ... | |
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/** |
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* Indicates whether this store is in appending state. In this state the new |
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* features are automatically inserted at the end of the {@link FeatureSet}. |
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*
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* |
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* @return true if this store is in appending state. |
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*/ |
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public boolean isAppending(); |
... | ... | |
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/** |
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* Updates a {@link FeatureType} in the store with the changes in the |
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* {@link EditableFeatureType}.<br> |
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*
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* |
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* Any {@link FeatureSet} from this store that are used will be invalidated. |
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*
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* |
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* @param featureType |
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* an {@link EditableFeatureType} with the changes. |
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*
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* |
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* @throws DataException |
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*/ |
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public void update(EditableFeatureType featureType) throws DataException; |
... | ... | |
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/** |
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* Updates a {@link Feature} in the store with the changes in the |
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* {@link EditableFeature}.<br> |
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*
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* |
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* Any {@link FeatureSet} from this store that was still in use will be |
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* invalidated. You can override this using |
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* {@link FeatureSet#update(EditableFeature)}. |
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*
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* |
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* @param feature |
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* the feature to be updated |
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*
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* |
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* @throws DataException |
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*/ |
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public void update(EditableFeature feature) throws DataException; |
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|
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/** |
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* Deletes a {@link Feature} from the store.<br> |
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*
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* |
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* Any {@link FeatureSet} from this store that was still in use will be |
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* invalidated. You can override this using {@link Iterator#remove()} from |
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* {@link FeatureSet}. |
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*
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* |
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* @param feature |
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* The feature to be deleted. |
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*
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* |
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* @throws DataException |
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*/ |
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public void delete(Feature feature) throws DataException; |
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|
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/** |
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* Inserts a {@link Feature} in the store.<br> |
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*
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* |
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* Any {@link FeatureSet} from this store that was still in use will be |
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* invalidated. You can override this using |
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* {@link FeatureSet#insert(EditableFeature)}. |
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*
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* |
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* @param feature |
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* The feature to be inserted |
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*
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* |
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* @throws DataException |
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*/ |
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public void insert(EditableFeature feature) throws DataException; |
... | ... | |
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/** |
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* Creates a new feature using the default feature type and returns it as an |
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* {@link EditableFeature} |
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*
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* |
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* @return a new feature in editable state |
423 |
*
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* |
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* @throws DataException |
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*/ |
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public EditableFeature createNewFeature() throws DataException; |
... | ... | |
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/** |
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* Creates a new feature of the given {@link FeatureType} and uses the given |
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* {@link Feature} as default values to initialize it. |
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*
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* |
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* @param type |
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* the new feature's feature type |
434 |
*
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* |
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* @param defaultValues |
436 | 436 |
* a feature whose values are used as default values for the new |
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* feature. |
438 |
*
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* |
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* @return the new feature. |
440 |
*
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440 |
* |
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* @throws DataException |
442 | 442 |
*/ |
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public EditableFeature createNewFeature(FeatureType type, |
... | ... | |
447 | 447 |
* Creates a new feature of the given {@link FeatureType}. The flag |
448 | 448 |
* defaultValues is used to indicate whether the new feature should be |
449 | 449 |
* initialized with default values or not. |
450 |
*
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* |
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* @param type |
452 | 452 |
* the new feature's feature type |
453 |
*
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* |
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454 | 454 |
* @param defaultValues |
455 | 455 |
* if true the new feature is initialized with each attribute's |
456 | 456 |
* default value. |
457 |
*
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* |
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458 | 458 |
* @return |
459 | 459 |
* the new feature |
460 |
*
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460 |
* |
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461 | 461 |
* @throws DataException |
462 | 462 |
*/ |
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public EditableFeature createNewFeature(FeatureType type, |
... | ... | |
467 | 467 |
* Creates a new feature of default {@link FeatureType}. The flag |
468 | 468 |
* defaultValues is used to indicate whether the new feature should be |
469 | 469 |
* initialized with default values or not. |
470 |
*
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* |
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471 | 471 |
* @param defaultValues |
472 | 472 |
* if true the new feature is initialized with each attribute's |
473 | 473 |
* default value. |
474 |
*
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474 |
* |
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475 | 475 |
* @return |
476 | 476 |
* the new feature |
477 |
*
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477 |
* |
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478 | 478 |
* @throws DataException |
479 | 479 |
*/ |
480 | 480 |
public EditableFeature createNewFeature(boolean defaultValues) |
... | ... | |
483 | 483 |
/** |
484 | 484 |
* Applies the validation rules associated to the given mode to the active |
485 | 485 |
* {@link FeatureSet}. |
486 |
*
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|
486 |
* |
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487 | 487 |
* @param mode |
488 | 488 |
* can be one of {MODE_QUERY, MODE_FULLEDIT, MODE_APPEND} |
489 |
*
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489 |
* |
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490 | 490 |
* @throws DataException |
491 | 491 |
*/ |
492 | 492 |
public void validateFeatures(int mode) throws DataException; |
493 | 493 |
|
494 | 494 |
/** |
495 | 495 |
* Indicates whether this store supports append mode. |
496 |
*
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496 |
* |
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497 | 497 |
* @return |
498 | 498 |
* true if this store supports append mode. |
499 | 499 |
*/ |
... | ... | |
502 | 502 |
/** |
503 | 503 |
* Initiates an editing group. This is typically used to group series of |
504 | 504 |
* store editing operations. |
505 |
*
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505 |
* |
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506 | 506 |
* @param description |
507 | 507 |
* Description of the editing group. |
508 |
*
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508 |
* |
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509 | 509 |
* @throws NeedEditingModeException |
510 | 510 |
*/ |
511 | 511 |
public void beginEditingGroup(String description) |
... | ... | |
513 | 513 |
|
514 | 514 |
/** |
515 | 515 |
* Finishes an editing group. |
516 |
*
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516 |
* |
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517 | 517 |
* @throws NeedEditingModeException |
518 | 518 |
*/ |
519 | 519 |
public void endEditingGroup() throws NeedEditingModeException; |
520 | 520 |
|
521 | 521 |
/* |
522 | 522 |
* ============================================================= |
523 |
*
|
|
523 |
* |
|
524 | 524 |
* Index related services |
525 | 525 |
*/ |
526 | 526 |
|
527 | 527 |
/** |
528 | 528 |
* Creates an index which will be applied to the features of the given type, |
529 | 529 |
* by using the data of the given attribute. |
530 |
*
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|
530 |
* |
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531 | 531 |
* @param featureType |
532 | 532 |
* The FeatureType to which the indexed attribute belongs. |
533 |
*
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533 |
* |
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534 | 534 |
* @param attributeName |
535 | 535 |
* The name of the attributed to be indexed |
536 |
*
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536 |
* |
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537 | 537 |
* @param indexName |
538 | 538 |
* The index name |
539 |
*
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539 |
* |
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540 | 540 |
* @return the resulting {@link FeatureIndex} |
541 |
*
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542 |
*
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541 |
* |
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542 |
* |
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543 | 543 |
* @throws FeatureIndexException |
544 | 544 |
* if there is an error creating the index |
545 | 545 |
*/ |
... | ... | |
549 | 549 |
/** |
550 | 550 |
* Creates an index which will be applied to the features of the given type, |
551 | 551 |
* by using the data of the given attribute. |
552 |
*
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|
552 |
* |
|
553 | 553 |
* @param indexTypeName |
554 | 554 |
* the type of the index to be created. That name is |
555 | 555 |
* related to one of the registered index providers |
556 | 556 |
* @param featureType |
557 | 557 |
* The FeatureType to which the indexed attribute belongs. |
558 |
*
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558 |
* |
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559 | 559 |
* @param attributeName |
560 | 560 |
* The name of the attributed to be indexed |
561 |
*
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561 |
* |
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562 | 562 |
* @param indexName |
563 | 563 |
* The index name |
564 |
*
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564 |
* |
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565 | 565 |
* @return the resulting {@link FeatureIndex} |
566 |
*
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567 |
*
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566 |
* |
|
567 |
* |
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568 | 568 |
* @throws FeatureIndexException |
569 | 569 |
* if there is an error creating the index |
570 | 570 |
*/ |
... | ... | |
580 | 580 |
* notified ( {@link FeatureStoreNotification#INDEX_FILLING_SUCCESS} ) |
581 | 581 |
* when the index has finished filling with data and is available to be |
582 | 582 |
* used. |
583 |
*
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583 |
* |
|
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* @param featureType |
585 | 585 |
* The FeatureType to which the indexed attribute belongs. |
586 |
*
|
|
586 |
* |
|
587 | 587 |
* @param attributeName |
588 | 588 |
* The name of the attributed to be indexed |
589 |
*
|
|
589 |
* |
|
590 | 590 |
* @param indexName |
591 | 591 |
* The index name |
592 |
*
|
|
592 |
* |
|
593 | 593 |
* @param observer |
594 | 594 |
* to notify to when the created index has finished filling |
595 | 595 |
* with data and is available to be used. The observer will |
... | ... | |
600 | 600 |
* {@link FeatureStoreNotification#INDEX_FILLING_ERROR} |
601 | 601 |
* notification with the exception object if there has been |
602 | 602 |
* any error in the process. Optional. |
603 |
*
|
|
603 |
* |
|
604 | 604 |
* @return the resulting {@link FeatureIndex} |
605 |
*
|
|
605 |
* |
|
606 | 606 |
* @see FeatureStoreNotification#INDEX_FILLING_STARTED |
607 | 607 |
* @see FeatureStoreNotification#INDEX_FILLING_SUCCESS |
608 | 608 |
* @see FeatureStoreNotification#INDEX_FILLING_CANCELLED |
609 | 609 |
* @see FeatureStoreNotification#INDEX_FILLING_ERROR |
610 |
*
|
|
610 |
* |
|
611 | 611 |
* @throws FeatureIndexException |
612 | 612 |
* if there is an error creating the index |
613 | 613 |
*/ |
... | ... | |
623 | 623 |
* notified ( {@link FeatureStoreNotification#INDEX_FILLING_SUCCESS} ) |
624 | 624 |
* when the index has finished filling with data and is available to be |
625 | 625 |
* used. |
626 |
*
|
|
626 |
* |
|
627 | 627 |
* @param indexTypeName |
628 | 628 |
* the type of the index to be created. That name is |
629 | 629 |
* related to one of the registered index providers |
630 | 630 |
* @param featureType |
631 | 631 |
* The FeatureType to which the indexed attribute belongs. |
632 |
*
|
|
632 |
* |
|
633 | 633 |
* @param attributeName |
634 | 634 |
* The name of the attributed to be indexed |
635 |
*
|
|
635 |
* |
|
636 | 636 |
* @param indexName |
637 | 637 |
* The index name |
638 |
*
|
|
638 |
* |
|
639 | 639 |
* @param observer |
640 | 640 |
* to notify to when the created index has finished filling |
641 | 641 |
* with data and is available to be used. The observer will |
... | ... | |
646 | 646 |
* {@link FeatureStoreNotification#INDEX_FILLING_ERROR} |
647 | 647 |
* notification with the exception object if there has been |
648 | 648 |
* any error in the process. Optional. |
649 |
*
|
|
649 |
* |
|
650 | 650 |
* @return the resulting {@link FeatureIndex} |
651 |
*
|
|
651 |
* |
|
652 | 652 |
* @see FeatureStoreNotification#INDEX_FILLING_STARTED |
653 | 653 |
* @see FeatureStoreNotification#INDEX_FILLING_SUCCESS |
654 | 654 |
* @see FeatureStoreNotification#INDEX_FILLING_CANCELLED |
655 | 655 |
* @see FeatureStoreNotification#INDEX_FILLING_ERROR |
656 |
*
|
|
656 |
* |
|
657 | 657 |
* @throws FeatureIndexException |
658 | 658 |
* if there is an error creating the index |
659 | 659 |
*/ |
... | ... | |
664 | 664 |
/** |
665 | 665 |
* Returns a FeatureIndexes structure containing all available indexes in |
666 | 666 |
* the store. |
667 |
*
|
|
667 |
* |
|
668 | 668 |
* @return |
669 | 669 |
*/ |
670 | 670 |
public FeatureIndexes getIndexes(); |
671 | 671 |
|
672 | 672 |
/* |
673 | 673 |
* ============================================================= |
674 |
*
|
|
674 |
* |
|
675 | 675 |
* Selection related services |
676 | 676 |
*/ |
677 | 677 |
|
678 | 678 |
/** |
679 | 679 |
* Sets the selection to the passed {@link FeatureSet} |
680 |
*
|
|
680 |
* |
|
681 | 681 |
* @param selection |
682 | 682 |
* A {@link FeatureSet} with the requested selection |
683 | 683 |
*/ |
... | ... | |
685 | 685 |
|
686 | 686 |
/** |
687 | 687 |
* Creates a {@link FeatureSelection} |
688 |
*
|
|
688 |
* |
|
689 | 689 |
* @return |
690 | 690 |
* a {@link FeatureSelection} |
691 |
*
|
|
691 |
* |
|
692 | 692 |
* @throws DataException |
693 | 693 |
*/ |
694 | 694 |
public FeatureSelection createFeatureSelection() throws DataException; |
... | ... | |
696 | 696 |
/** |
697 | 697 |
* Returns the current {@link FeatureSelection}. |
698 | 698 |
* Create a empty selection if not exits. |
699 |
*
|
|
699 |
* |
|
700 | 700 |
* @return |
701 | 701 |
* current {@link FeatureSelection}. |
702 |
*
|
|
702 |
* |
|
703 | 703 |
* @throws DataException |
704 | 704 |
*/ |
705 | 705 |
public FeatureSelection getFeatureSelection() throws DataException; |
706 | 706 |
|
707 | 707 |
/* |
708 | 708 |
* ============================================================= |
709 |
*
|
|
709 |
* |
|
710 | 710 |
* Lock related services |
711 | 711 |
*/ |
712 | 712 |
|
713 | 713 |
/** |
714 | 714 |
* Indicates whether this store supports locks. |
715 |
*
|
|
715 |
* |
|
716 | 716 |
* @return |
717 | 717 |
* true if this store supports locks, false if not. |
718 | 718 |
*/ |
... | ... | |
720 | 720 |
|
721 | 721 |
/** |
722 | 722 |
* Returns the set of locked features |
723 |
*
|
|
723 |
* |
|
724 | 724 |
* @return |
725 | 725 |
* set of locked features |
726 |
*
|
|
726 |
* |
|
727 | 727 |
* @throws DataException |
728 | 728 |
*/ |
729 | 729 |
public FeatureLocks getLocks() throws DataException; |
... | ... | |
736 | 736 |
|
737 | 737 |
/** |
738 | 738 |
* Returns this store transforms |
739 |
*
|
|
739 |
* |
|
740 | 740 |
* @return |
741 | 741 |
* this store transforms |
742 | 742 |
*/ |
... | ... | |
744 | 744 |
|
745 | 745 |
/** |
746 | 746 |
* Returns a new {@link FeatureQuery} associated to this store. |
747 |
*
|
|
747 |
* |
|
748 | 748 |
* @return |
749 | 749 |
* a new {@link FeatureQuery} associated to this store. |
750 | 750 |
*/ |
... | ... | |
752 | 752 |
|
753 | 753 |
/** |
754 | 754 |
* Returns featue count of this store. |
755 |
*
|
|
755 |
* |
|
756 | 756 |
* @return |
757 | 757 |
* @throws DataException |
758 | 758 |
*/ |
... | ... | |
760 | 760 |
|
761 | 761 |
/** |
762 | 762 |
* Creates a vectorial cache that is used to save and retrieve data. |
763 |
*
|
|
763 |
* |
|
764 | 764 |
* @param name |
765 | 765 |
* the cache name. |
766 | 766 |
* @param parameters |
... | ... | |
779 | 779 |
* Return if the provider knows the real envelope of a layer. If not, |
780 | 780 |
* the {@link FeatureStoreProvider#getEnvelope()} method doesn't return |
781 | 781 |
* the full envelope. |
782 |
*
|
|
782 |
* |
|
783 | 783 |
* @return |
784 | 784 |
* <true> if it knows the real envelope. |
785 | 785 |
*/ |
... | ... | |
788 | 788 |
/** |
789 | 789 |
* Return if the maximum number of features provided by the |
790 | 790 |
* provider are limited. |
791 |
*
|
|
791 |
* |
|
792 | 792 |
* @return |
793 | 793 |
* <true> if there is a limit of features. |
794 | 794 |
*/ |
... | ... | |
798 | 798 |
* If the {@link FeatureStoreProvider#hasRetrievedFeaturesLimit()} returns |
799 | 799 |
* true, |
800 | 800 |
* it returns the limit of features retrieved from the provider. |
801 |
*
|
|
801 |
* |
|
802 | 802 |
* @return |
803 | 803 |
* The limit of the retrieved features. |
804 | 804 |
*/ |
805 | 805 |
public int getRetrievedFeaturesLimit(); |
806 |
|
|
807 |
/** |
|
808 |
* Return the associated feature to the dynobject. |
|
809 |
* If the dynobject isn't associated to a feature of this store, return null. |
|
810 |
* |
|
811 |
* @param dynobject |
|
812 |
* @return |
|
813 |
*/ |
|
814 |
public Feature getFeature(DynObject dynobject); |
|
806 | 815 |
} |
Also available in: Unified diff