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 @ 40559
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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.Date; |
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import java.util.Iterator; |
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import java.util.List; |
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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.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.featureset.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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|
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public class DefaultFeature implements Feature, EvaluatorData { |
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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(); |
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} |
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if (attribute.getEvaluator() != null) { |
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throw new SetReadOnlyAttributeException(); |
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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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if (attribute.getObjectClass().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 (!attribute.getObjectClass().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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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 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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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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* @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) { |
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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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return this.data.getDefaultEnvelope(); |
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} |
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public Geometry getDefaultGeometry() {
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return this.data.getDefaultGeometry(); |
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} |
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public IProjection getDefaultSRS() {
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return this.data.getType().getDefaultSRS(); |
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} |
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public List getGeometries() { |
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// TODO Auto-generated method stub
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return null; |
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} |
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public Object get(String name) { |
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int index = this.data.getType().getIndex(name); |
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if( index < 0 ) { |
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throw new IllegalArgumentException("Attribute name '"+name+"' not found in the feature."); |
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} |
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return this.get(index); |
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} |
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public Object get(int index) { |
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FeatureType type = this.data.getType();
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if( index <0 || index >= type.size() ) { |
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throw new IllegalArgumentException("Attribute index '"+index+"' out of range (0 to "+this.data.getType().size()+"."); |
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} |
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FeatureAttributeDescriptor attribute = type.getAttributeDescriptor(index); |
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if (!this.data.getType().hasEvaluators()) { |
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return get(attribute, this.data.get(index)); |
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} |
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Evaluator eval = attribute.getEvaluator(); |
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if (eval == null) { |
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return this.data.get(index); |
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} else {
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Object value = this.data.get(index); |
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if (value != null) { // FIXME: para comprobar si esta calculado usar |
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// un array
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// especifico.
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return get(attribute, this.data.get(index)); |
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} |
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try {
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value = eval.evaluate(this);
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} catch (EvaluatorException e) {
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throw new DataEvaluatorRuntimeException(e); |
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} |
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this.data.set(index, value);
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return get(attribute, value);
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} |
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} |
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private Object get(FeatureAttributeDescriptor featureAttributeDescriptor, Object value){ |
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if (featureAttributeDescriptor.getFeatureAttributeGetter() == null){ |
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return value;
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}else{
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return featureAttributeDescriptor.getFeatureAttributeGetter().getter(value);
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} |
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} |
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public Object[] getArray(String name) { |
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return this.getArray(this.data.getType().getIndex(name)); |
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} |
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public Object[] getArray(int index) { |
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return (Object[]) this.get(index); |
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} |
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public boolean getBoolean(String name) { |
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return this.getBoolean(this.data.getType().getIndex(name)); |
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} |
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public boolean getBoolean(int index) { |
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Boolean value = ((Boolean) this.get(index,Boolean.class,DataTypes.BOOLEAN)); |
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if (value == null) { |
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return false; |
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} |
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return value.booleanValue();
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} |
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|
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public byte getByte(String name) { |
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return this.getByte(this.data.getType().getIndex(name)); |
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} |
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|
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public byte getByte(int index) { |
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Byte value = ((Byte) this.get(index,Byte.class,DataTypes.BYTE)); |
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if (value == null) { |
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return 0; |
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} |
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return value.byteValue();
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} |
379 |
|
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public Date getDate(String name) { |
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return this.getDate(this.data.getType().getIndex(name)); |
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} |
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|
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public Date getDate(int index) { |
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Date value = ((Date) this.get(index,Date.class,DataTypes.DATE)); |
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return value;
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} |
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public double getDouble(String name) { |
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return this.getDouble(this.data.getType().getIndex(name)); |
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} |
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public double getDouble(int index) { |
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|
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Double value = ((Double) this.get(index,Double.class,DataTypes.DOUBLE)); |
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if (value == null) { |
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return 0; |
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} |
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return value.doubleValue();
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} |
402 |
|
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public Feature getFeature(String name) { |
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return this.getFeature(this.data.getType().getIndex(name)); |
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} |
406 |
|
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public Feature getFeature(int index) { |
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return (Feature) this.get(index); |
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} |
410 |
|
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public float getFloat(String name) { |
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return this.getFloat(this.data.getType().getIndex(name)); |
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} |
414 |
|
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public float getFloat(int index) { |
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Float value = ((Float) this.get(index,Float.class,DataTypes.FLOAT)); |
417 |
if (value == null) { |
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return 0; |
419 |
} |
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return value.floatValue();
|
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} |
422 |
|
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public Geometry getGeometry(String name) { |
424 |
return this.getGeometry(this.data.getType().getIndex(name)); |
425 |
} |
426 |
|
427 |
public Geometry getGeometry(int index) { |
428 |
return (Geometry) this.get(index,Geometry.class,DataTypes.GEOMETRY); |
429 |
} |
430 |
|
431 |
public int getInt(String name) { |
432 |
return this.getInt(this.data.getType().getIndex(name)); |
433 |
} |
434 |
|
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public int getInt(int index) { |
436 |
Integer value = ((Integer) this.get(index,Integer.class,DataTypes.INT)); |
437 |
if (value == null) { |
438 |
return 0; |
439 |
} |
440 |
return ((Integer)value).intValue(); |
441 |
} |
442 |
|
443 |
public long getLong(String name) { |
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return this.getLong(this.data.getType().getIndex(name)); |
445 |
} |
446 |
|
447 |
public long getLong(int index) { |
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Long value = ((Long) this.get(index,Long.class,DataTypes.LONG)); |
449 |
if (value == null) { |
450 |
return 0; |
451 |
} |
452 |
return value.longValue();
|
453 |
} |
454 |
|
455 |
public String getString(String name) { |
456 |
return this.getString(this.data.getType().getIndex(name)); |
457 |
} |
458 |
|
459 |
public String getString(int index) { |
460 |
return (String) this.get(index,String.class,DataTypes.STRING); |
461 |
} |
462 |
|
463 |
public Object getContextValue(String name) { |
464 |
name = name.toLowerCase(); |
465 |
if (name.equals("store")) { |
466 |
return this.getStore(); |
467 |
} |
468 |
|
469 |
if (name.equals("featuretype")) { |
470 |
return this.data.getType(); |
471 |
} |
472 |
|
473 |
if (name.equals("feature")) { |
474 |
return this; |
475 |
} |
476 |
|
477 |
throw new IllegalArgumentException(name); |
478 |
} |
479 |
|
480 |
public Iterator getDataNames() { |
481 |
class DataNamesIterator implements Iterator { |
482 |
Iterator attributeIteraror;
|
483 |
|
484 |
DataNamesIterator(DefaultFeature feature) { |
485 |
this.attributeIteraror = feature.getType().iterator();
|
486 |
} |
487 |
|
488 |
public boolean hasNext() { |
489 |
return this.attributeIteraror.hasNext(); |
490 |
} |
491 |
|
492 |
public Object next() { |
493 |
return ((FeatureAttributeDescriptor) this.attributeIteraror |
494 |
.next()).getName(); |
495 |
} |
496 |
|
497 |
public void remove() { |
498 |
throw new UnsupportedOperationException(); |
499 |
} |
500 |
|
501 |
} |
502 |
return new DataNamesIterator(this); |
503 |
} |
504 |
|
505 |
public Object getDataValue(String name) { |
506 |
name = name.toLowerCase(); |
507 |
return get(name);
|
508 |
} |
509 |
|
510 |
public Iterator getDataValues() { |
511 |
class DataValuesIterator implements Iterator { |
512 |
DefaultFeature feature; |
513 |
int current = 0; |
514 |
|
515 |
DataValuesIterator(DefaultFeature feature) { |
516 |
this.feature = feature;
|
517 |
} |
518 |
|
519 |
public boolean hasNext() { |
520 |
return current < feature.getType().size() - 1; |
521 |
} |
522 |
|
523 |
public Object next() { |
524 |
return feature.get(current++);
|
525 |
} |
526 |
|
527 |
public void remove() { |
528 |
throw new UnsupportedOperationException(); |
529 |
} |
530 |
|
531 |
} |
532 |
return new DataValuesIterator(this); |
533 |
} |
534 |
|
535 |
public boolean hasContextValue(String name) { |
536 |
name = name.toLowerCase(); |
537 |
if (name.equals("store")) { |
538 |
return true; |
539 |
} |
540 |
|
541 |
if (name.equals("featuretype")) { |
542 |
return true; |
543 |
} |
544 |
|
545 |
if (name.equals("feature")) { |
546 |
return true; |
547 |
} |
548 |
return false; |
549 |
} |
550 |
|
551 |
public boolean hasDataValue(String name) { |
552 |
name = name.toLowerCase(); |
553 |
return this.data.getType().getIndex(name) >= 0; |
554 |
} |
555 |
|
556 |
public Instant getInstant(int index) { |
557 |
return ((Instant) this.get(index,Date.class,DataTypes.INSTANT)); |
558 |
} |
559 |
|
560 |
public Instant getInstant(String name) { |
561 |
return this.getInstant(this.data.getType().getIndex(name)); |
562 |
} |
563 |
|
564 |
public Interval getInterval(int index) { |
565 |
return ((Interval) this.get(index,Date.class,DataTypes.INTERVAL)); |
566 |
} |
567 |
|
568 |
public Interval getInterval(String name) { |
569 |
return this.getInterval(this.data.getType().getIndex(name)); |
570 |
} |
571 |
|
572 |
public DynObject getAsDynObject() {
|
573 |
DynObjectFeatureFacade facade = new DynObjectFeatureFacade();
|
574 |
facade.setFeature(this);
|
575 |
return facade;
|
576 |
} |
577 |
|
578 |
public String toString() { |
579 |
StringBuffer buffer = new StringBuffer("Feature with values: "); |
580 |
FeatureAttributeDescriptor[] attributeDescriptors =
|
581 |
getType().getAttributeDescriptors(); |
582 |
for (int i = 0; i < attributeDescriptors.length; i++) { |
583 |
String name = attributeDescriptors[i].getName();
|
584 |
buffer.append(name).append("=").append(get(name));
|
585 |
if (i < attributeDescriptors.length - 1) { |
586 |
buffer.append(", ");
|
587 |
} |
588 |
} |
589 |
return super.toString(); |
590 |
} |
591 |
|
592 |
|
593 |
/**
|
594 |
* @return the inserted
|
595 |
*/
|
596 |
public boolean isInserted() { |
597 |
return inserted;
|
598 |
} |
599 |
|
600 |
|
601 |
/**
|
602 |
* @param inserted the inserted to set
|
603 |
*/
|
604 |
public void setInserted(boolean inserted) { |
605 |
this.inserted = inserted;
|
606 |
} |
607 |
|
608 |
public EvaluatorData getEvaluatorData() {
|
609 |
return this; |
610 |
} |
611 |
} |