svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / DefaultFeature.java @ 43550
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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.impl; |
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|
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import java.lang.ref.WeakReference; |
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import java.util.ArrayList; |
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import java.util.Date; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.DataEvaluatorRuntimeException; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeEmulator; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeGetter; |
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import org.gvsig.fmap.dal.feature.FeatureReference; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.exception.IllegalValueException; |
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import org.gvsig.fmap.dal.feature.exception.SetReadOnlyAttributeException; |
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import org.gvsig.fmap.dal.feature.impl.dynobjectutils.DynObjectFeatureFacade; |
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import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.timesupport.Instant; |
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import org.gvsig.timesupport.Interval; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dataTypes.CoercionException; |
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import org.gvsig.tools.dataTypes.DataTypesManager; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.evaluator.Evaluator; |
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import org.gvsig.tools.evaluator.EvaluatorData; |
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import org.gvsig.tools.evaluator.EvaluatorException; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.tools.exception.BaseRuntimeException; |
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import org.gvsig.tools.lang.Cloneable; |
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|
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public class DefaultFeature implements Feature, EvaluatorData, Cloneable { |
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private static DataTypesManager dataTypesManager = null; |
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protected FeatureProvider data;
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protected FeatureReference reference;
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private WeakReference storeRef; |
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private boolean inserted = false; |
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/*
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* Usar con mucha precaucion o mejor no usar. Lo precisa el
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* DefaultFeatureSet en la ordenacion.
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*/
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public DefaultFeature(FeatureStore store) {
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this.storeRef = new WeakReference(store); |
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this.reference = null; |
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} |
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public DefaultFeature(FeatureStore store, FeatureProvider data) {
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this.data = data;
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this.storeRef = new WeakReference(store); |
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this.reference = null; |
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this.inserted = !data.isNew();
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} |
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DefaultFeature(DefaultFeature feature) { |
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this.data = feature.data.getCopy();
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this.storeRef = feature.storeRef;
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this.reference = feature.reference;
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this.inserted = feature.isInserted();
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} |
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public void setData(FeatureProvider data) { |
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this.data = data;
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this.reference = null; |
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this.inserted = true; |
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} |
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public FeatureProvider getData() {
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return this.data; |
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} |
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protected DataTypesManager getDataTypesManager() {
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if( dataTypesManager==null ) { |
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dataTypesManager = ToolsLocator.getDataTypesManager(); |
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} |
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return dataTypesManager;
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} |
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void set(FeatureAttributeDescriptor attribute, Object value) { |
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int i = attribute.getIndex();
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if ( attribute.isReadOnly() ) {
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throw new SetReadOnlyAttributeException(attribute.getName(), this.getType()); |
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} |
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FeatureAttributeEmulator emulator = attribute.getFeatureAttributeEmulator(); |
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if( emulator!= null ) { |
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emulator.set((EditableFeature) this,value);
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return;
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} |
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if ( value == null ) { |
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if ( !attribute.allowNull() ) {
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if ( !attribute.isAutomatic() ) {
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throw new IllegalValueException(attribute, value); |
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} |
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} |
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this.data.set(i, null); |
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return;
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} |
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if ( attribute.getFeatureAttributeGetter() != null ) { |
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value = attribute.getFeatureAttributeGetter().setter(value); |
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} |
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Class objectClass = attribute.getObjectClass();
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if( objectClass!=null ) { |
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if ( objectClass.isInstance(value) ) {
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this.data.set(i, value);
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return;
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} |
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if ( !objectClass.isInstance(value) ) {
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try {
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value |
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= this.getDataTypesManager().coerce(attribute.getType(),
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value); |
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} catch (CoercionException e) {
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throw new IllegalArgumentException("Can't convert to " |
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+ this.getDataTypesManager().getTypeName(
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attribute.getType()) + " from '"
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+ value.getClass().getName() + "' with value '"
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+ value.toString() + "'.");
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} |
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} |
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} |
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this.data.set(i, value);
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} |
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private Object get(int index,Class theClass, int type) { |
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Object value = this.get(index); |
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if( theClass.isInstance(value) ) {
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return value;
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} |
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try {
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return this.getDataTypesManager().coerce(type, value); |
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} catch (CoercionException e) {
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if (value == null) { |
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return null; |
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} |
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throw new IllegalArgumentException( |
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"Can't convert to "+theClass.getName()+
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" from '"+value.getClass().getName()+
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"' with value '"+value.toString()+"'."); |
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} |
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} |
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// private Object getNumberByType(Number value, int type) {
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// if (type==DataTypes.DOUBLE){
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// return new Double(value.doubleValue());
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// }else if (type==DataTypes.FLOAT){
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// return new Float(value.floatValue());
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// }else if (type==DataTypes.LONG){
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// return new Long(value.longValue());
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// }else if (type==DataTypes.INT){
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// return new Integer(value.intValue());
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// }else if (type==DataTypes.STRING){
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// return value.toString();
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// }
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// return value;
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// }
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public void initializeValues() { |
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FeatureType type = this.getType();
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Iterator iterator = type.iterator();
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while (iterator.hasNext()) {
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FeatureAttributeDescriptor attribute = (FeatureAttributeDescriptor) iterator |
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.next(); |
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if (attribute.isAutomatic() || attribute.isReadOnly()
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|| attribute.getEvaluator() != null) {
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continue;
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} |
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if (attribute.getDefaultValue() == null && !attribute.allowNull()) { |
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continue;
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} |
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this.set(attribute, attribute.getDefaultValue());
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} |
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} |
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public void clear() { |
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initializeValues(); |
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} |
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public void initializeValues(Feature feature) { |
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FeatureType myType=this.getType();
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FeatureType type =feature.getType(); |
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Iterator iterator = type.iterator();
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while (iterator.hasNext()) {
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FeatureAttributeDescriptor attribute = (FeatureAttributeDescriptor) iterator |
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.next(); |
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FeatureAttributeDescriptor myAttribute=myType.getAttributeDescriptor(attribute.getName()); |
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if (myAttribute != null) { |
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this.set(myAttribute, feature.get(attribute.getIndex()));
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} |
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} |
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} |
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public FeatureStore getStore() {
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return (FeatureStore) this.storeRef.get(); |
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} |
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public FeatureType getType() {
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return this.data.getType(); |
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} |
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public EditableFeature getEditable() {
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return new DefaultEditableFeature(this); |
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} |
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public Feature getCopy() {
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return new DefaultFeature(this); |
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} |
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public Object clone() throws CloneNotSupportedException { |
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return new DefaultFeature(this); |
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} |
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|
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public FeatureReference getReference() {
|
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if (this.reference == null) { |
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if (!isInserted()) {
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return null; |
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} |
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reference = new DefaultFeatureReference(this); |
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} |
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return this.reference; |
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} |
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|
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class UnableToGetReferenceException extends BaseRuntimeException { |
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/**
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*
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*/
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private static final long serialVersionUID = 1812805035204824163L; |
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|
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/**
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* @param exception
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*/
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public UnableToGetReferenceException(BaseException exception) {
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super("Unable to get reference", "_UnableToGetReferenceException", |
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serialVersionUID); |
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this.initCause(exception);
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} |
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} |
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public void validate(int mode) throws DataException { |
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((DefaultFeatureType) this.data.getType()).validateFeature(this, mode); |
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} |
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public List getSRSs() { |
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// TODO Auto-generated method stub
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return null; |
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} |
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public Envelope getDefaultEnvelope() {
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Envelope envelope = this.data.getDefaultEnvelope();
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if( envelope == null ) { |
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Geometry geom = this.getDefaultGeometry();
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if( geom!=null ) { |
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envelope = geom.getEnvelope(); |
302 |
} |
303 |
} |
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return envelope;
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} |
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|
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public Geometry getDefaultGeometry() {
|
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Geometry geom = this.data.getDefaultGeometry();
|
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if( geom!=null ) { |
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return geom;
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} |
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int i = this.data.getType().getDefaultGeometryAttributeIndex(); |
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Object x = this.get(i); |
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if( x instanceof Geometry ) { |
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return (Geometry) x;
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} |
317 |
return this.getGeometry(i); |
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} |
319 |
|
320 |
public IProjection getDefaultSRS() {
|
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return this.data.getType().getDefaultSRS(); |
322 |
} |
323 |
|
324 |
public List getGeometries() { |
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// TODO Auto-generated method stub
|
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return null; |
327 |
} |
328 |
|
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public Object get(String name) { |
330 |
int index = this.data.getType().getIndex(name); |
331 |
if( index < 0 ) { |
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throw new IllegalArgumentException("Attribute name '"+name+"' not found in the feature."); |
333 |
} |
334 |
return this.get(index); |
335 |
} |
336 |
|
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public boolean has_key(String key) { |
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Object x = this.getType().get(key); |
339 |
return x != null; |
340 |
} |
341 |
|
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public List<String> keys() { |
343 |
List<String> ks = new ArrayList<>(); |
344 |
for( FeatureAttributeDescriptor attr : this.getType()) { |
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ks.add(attr.getName()); |
346 |
} |
347 |
return ks;
|
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} |
349 |
|
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public Iterator<String> iterkeys() { |
351 |
final Iterator it = this.getType().iterator(); |
352 |
return new Iterator<String>() { |
353 |
@Override
|
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public boolean hasNext() { |
355 |
return it.hasNext();
|
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} |
357 |
|
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@Override
|
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public String next() { |
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return ((FeatureAttributeDescriptor)it.next()).getName();
|
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} |
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}; |
363 |
} |
364 |
|
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public Iterator iteritems() { |
366 |
final Iterator it = this.getType().iterator(); |
367 |
return new Iterator<Map.Entry>() { |
368 |
@Override
|
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public boolean hasNext() { |
370 |
return it.hasNext();
|
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} |
372 |
|
373 |
@Override
|
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public Map.Entry next() { |
375 |
final String name = ((FeatureAttributeDescriptor)it.next()).getName(); |
376 |
return new Map.Entry<String, Object>() { |
377 |
@Override
|
378 |
public String getKey() { |
379 |
return name;
|
380 |
} |
381 |
|
382 |
@Override
|
383 |
public Object getValue() { |
384 |
return get(name);
|
385 |
} |
386 |
|
387 |
@Override
|
388 |
public Object setValue(Object value) { |
389 |
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. |
390 |
} |
391 |
|
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}; |
393 |
} |
394 |
}; |
395 |
} |
396 |
|
397 |
@Override
|
398 |
public Object get(int index) { |
399 |
FeatureType type = this.data.getType();
|
400 |
if( index <0 || index >= type.size() ) { |
401 |
throw new IllegalArgumentException("Attribute index '"+index+"' out of range (0 to "+this.data.getType().size()+"."); |
402 |
} |
403 |
FeatureAttributeDescriptor attribute = type.getAttributeDescriptor(index); |
404 |
if (!this.data.getType().hasEvaluators()) { |
405 |
return get(attribute, this.data.get(index)); |
406 |
} |
407 |
Evaluator eval = attribute.getEvaluator(); |
408 |
if (eval == null) { |
409 |
return this.data.get(index); |
410 |
} else {
|
411 |
Object value = this.data.get(index); |
412 |
if (value != null) { // FIXME: para comprobar si esta calculado usar |
413 |
// un array
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414 |
// especifico.
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415 |
return get(attribute, this.data.get(index)); |
416 |
} |
417 |
try {
|
418 |
value = eval.evaluate(this);
|
419 |
} catch (EvaluatorException e) {
|
420 |
throw new DataEvaluatorRuntimeException(e); |
421 |
} |
422 |
this.data.set(index, value);
|
423 |
return get(attribute, value);
|
424 |
} |
425 |
} |
426 |
|
427 |
private Object get(FeatureAttributeDescriptor featureAttributeDescriptor, Object value){ |
428 |
FeatureAttributeEmulator emulator = featureAttributeDescriptor.getFeatureAttributeEmulator(); |
429 |
if( emulator != null ) { |
430 |
return emulator.get(this); |
431 |
} |
432 |
FeatureAttributeGetter getter = featureAttributeDescriptor.getFeatureAttributeGetter(); |
433 |
if( getter != null ) { |
434 |
return getter.getter(value);
|
435 |
} |
436 |
return value;
|
437 |
} |
438 |
|
439 |
public Object[] getArray(String name) { |
440 |
return this.getArray(this.data.getType().getIndex(name)); |
441 |
} |
442 |
|
443 |
public Object[] getArray(int index) { |
444 |
return (Object[]) this.get(index); |
445 |
} |
446 |
|
447 |
public boolean getBoolean(String name) { |
448 |
return this.getBoolean(this.data.getType().getIndex(name)); |
449 |
} |
450 |
|
451 |
public boolean getBoolean(int index) { |
452 |
Boolean value = ((Boolean) this.get(index,Boolean.class,DataTypes.BOOLEAN)); |
453 |
if (value == null) { |
454 |
return false; |
455 |
} |
456 |
return value.booleanValue();
|
457 |
} |
458 |
|
459 |
public byte getByte(String name) { |
460 |
return this.getByte(this.data.getType().getIndex(name)); |
461 |
} |
462 |
|
463 |
public byte getByte(int index) { |
464 |
Byte value = ((Byte) this.get(index,Byte.class,DataTypes.BYTE)); |
465 |
if (value == null) { |
466 |
return 0; |
467 |
} |
468 |
return value.byteValue();
|
469 |
} |
470 |
|
471 |
public Date getDate(String name) { |
472 |
return this.getDate(this.data.getType().getIndex(name)); |
473 |
} |
474 |
|
475 |
public Date getDate(int index) { |
476 |
Date value = ((Date) this.get(index,Date.class,DataTypes.DATE)); |
477 |
|
478 |
return value;
|
479 |
} |
480 |
|
481 |
public double getDouble(String name) { |
482 |
return this.getDouble(this.data.getType().getIndex(name)); |
483 |
} |
484 |
|
485 |
public double getDouble(int index) { |
486 |
|
487 |
Double value = ((Double) this.get(index,Double.class,DataTypes.DOUBLE)); |
488 |
if (value == null) { |
489 |
return 0; |
490 |
} |
491 |
return value.doubleValue();
|
492 |
} |
493 |
|
494 |
public Feature getFeature(String name) { |
495 |
return this.getFeature(this.data.getType().getIndex(name)); |
496 |
} |
497 |
|
498 |
public Feature getFeature(int index) { |
499 |
return (Feature) this.get(index); |
500 |
} |
501 |
|
502 |
public float getFloat(String name) { |
503 |
return this.getFloat(this.data.getType().getIndex(name)); |
504 |
} |
505 |
|
506 |
public float getFloat(int index) { |
507 |
Float value = ((Float) this.get(index,Float.class,DataTypes.FLOAT)); |
508 |
if (value == null) { |
509 |
return 0; |
510 |
} |
511 |
return value.floatValue();
|
512 |
} |
513 |
|
514 |
public Geometry getGeometry(String name) { |
515 |
return this.getGeometry(this.data.getType().getIndex(name)); |
516 |
} |
517 |
|
518 |
public Geometry getGeometry(int index) { |
519 |
return (Geometry) this.get(index,Geometry.class,DataTypes.GEOMETRY); |
520 |
} |
521 |
|
522 |
public int getInt(String name) { |
523 |
return this.getInt(this.data.getType().getIndex(name)); |
524 |
} |
525 |
|
526 |
public int getInt(int index) { |
527 |
Integer value = ((Integer) this.get(index,Integer.class,DataTypes.INT)); |
528 |
if (value == null) { |
529 |
return 0; |
530 |
} |
531 |
return ((Integer)value).intValue(); |
532 |
} |
533 |
|
534 |
public long getLong(String name) { |
535 |
return this.getLong(this.data.getType().getIndex(name)); |
536 |
} |
537 |
|
538 |
public long getLong(int index) { |
539 |
Long value = ((Long) this.get(index,Long.class,DataTypes.LONG)); |
540 |
if (value == null) { |
541 |
return 0; |
542 |
} |
543 |
return value.longValue();
|
544 |
} |
545 |
|
546 |
public String getString(String name) { |
547 |
return this.getString(this.data.getType().getIndex(name)); |
548 |
} |
549 |
|
550 |
public String getString(int index) { |
551 |
return (String) this.get(index,String.class,DataTypes.STRING); |
552 |
} |
553 |
|
554 |
public Object getContextValue(String name) { |
555 |
name = name.toLowerCase(); |
556 |
if (name.equals("store")) { |
557 |
return this.getStore(); |
558 |
} |
559 |
|
560 |
if (name.equals("featuretype")) { |
561 |
return this.data.getType(); |
562 |
} |
563 |
|
564 |
if (name.equals("feature")) { |
565 |
return this; |
566 |
} |
567 |
|
568 |
throw new IllegalArgumentException(name); |
569 |
} |
570 |
|
571 |
public Iterator getDataNames() { |
572 |
class DataNamesIterator implements Iterator { |
573 |
Iterator attributeIteraror;
|
574 |
|
575 |
DataNamesIterator(DefaultFeature feature) { |
576 |
this.attributeIteraror = feature.getType().iterator();
|
577 |
} |
578 |
|
579 |
public boolean hasNext() { |
580 |
return this.attributeIteraror.hasNext(); |
581 |
} |
582 |
|
583 |
public Object next() { |
584 |
return ((FeatureAttributeDescriptor) this.attributeIteraror |
585 |
.next()).getName(); |
586 |
} |
587 |
|
588 |
public void remove() { |
589 |
throw new UnsupportedOperationException(); |
590 |
} |
591 |
|
592 |
} |
593 |
return new DataNamesIterator(this); |
594 |
} |
595 |
|
596 |
public Object getDataValue(String name) { |
597 |
name = name.toLowerCase(); |
598 |
try {
|
599 |
return get(name);
|
600 |
} catch (IllegalArgumentException ex) { |
601 |
if( "defaultgeometry".equalsIgnoreCase(name )) { |
602 |
return this.getDefaultGeometry(); |
603 |
} |
604 |
throw ex;
|
605 |
} |
606 |
} |
607 |
|
608 |
public Iterator getDataValues() { |
609 |
class DataValuesIterator implements Iterator { |
610 |
DefaultFeature feature; |
611 |
int current = 0; |
612 |
|
613 |
DataValuesIterator(DefaultFeature feature) { |
614 |
this.feature = feature;
|
615 |
} |
616 |
|
617 |
public boolean hasNext() { |
618 |
return current < feature.getType().size() - 1; |
619 |
} |
620 |
|
621 |
public Object next() { |
622 |
return feature.get(current++);
|
623 |
} |
624 |
|
625 |
public void remove() { |
626 |
throw new UnsupportedOperationException(); |
627 |
} |
628 |
|
629 |
} |
630 |
return new DataValuesIterator(this); |
631 |
} |
632 |
|
633 |
public boolean hasContextValue(String name) { |
634 |
name = name.toLowerCase(); |
635 |
if (name.equals("store")) { |
636 |
return true; |
637 |
} |
638 |
|
639 |
if (name.equals("featuretype")) { |
640 |
return true; |
641 |
} |
642 |
|
643 |
if (name.equals("feature")) { |
644 |
return true; |
645 |
} |
646 |
return false; |
647 |
} |
648 |
|
649 |
public boolean hasDataValue(String name) { |
650 |
name = name.toLowerCase(); |
651 |
return this.data.getType().getIndex(name) >= 0; |
652 |
} |
653 |
|
654 |
public Instant getInstant(int index) { |
655 |
return ((Instant) this.get(index,Date.class,DataTypes.INSTANT)); |
656 |
} |
657 |
|
658 |
public Instant getInstant(String name) { |
659 |
return this.getInstant(this.data.getType().getIndex(name)); |
660 |
} |
661 |
|
662 |
public Interval getInterval(int index) { |
663 |
return ((Interval) this.get(index,Date.class,DataTypes.INTERVAL)); |
664 |
} |
665 |
|
666 |
public Interval getInterval(String name) { |
667 |
return this.getInterval(this.data.getType().getIndex(name)); |
668 |
} |
669 |
|
670 |
@Override
|
671 |
public DynObject getAsDynObject() {
|
672 |
DynObjectFeatureFacade facade = new DynObjectFeatureFacade(this); |
673 |
return facade;
|
674 |
} |
675 |
|
676 |
public String toString() { |
677 |
// StringBuffer buffer = new StringBuffer("Feature with values: ");
|
678 |
StringBuffer buffer = new StringBuffer(""); |
679 |
FeatureAttributeDescriptor[] attributeDescriptors =
|
680 |
getType().getAttributeDescriptors(); |
681 |
for (int i = 0; i < attributeDescriptors.length; i++) { |
682 |
String name = attributeDescriptors[i].getName();
|
683 |
//buffer.append(name).append("=").append(get(name));
|
684 |
buffer.append(get(name)); |
685 |
if (i < attributeDescriptors.length - 1) { |
686 |
buffer.append(", ");
|
687 |
} |
688 |
} |
689 |
return buffer.toString();
|
690 |
} |
691 |
|
692 |
|
693 |
|
694 |
|
695 |
/**
|
696 |
* @return the inserted
|
697 |
*/
|
698 |
public boolean isInserted() { |
699 |
return inserted;
|
700 |
} |
701 |
|
702 |
|
703 |
/**
|
704 |
* @param inserted the inserted to set
|
705 |
*/
|
706 |
public void setInserted(boolean inserted) { |
707 |
this.inserted = inserted;
|
708 |
} |
709 |
|
710 |
public EvaluatorData getEvaluatorData() {
|
711 |
return this; |
712 |
} |
713 |
} |