root / trunk / libraries / libFMap_data / src / org / gvsig / data / vectorial / FeatureStore.java @ 20898
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package org.gvsig.data.vectorial; |
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import java.lang.ref.Reference; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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|
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import org.gvsig.data.IDataCollection; |
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import org.gvsig.data.IDataStoreParameters; |
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import org.gvsig.data.IResourceNotification; |
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import org.gvsig.data.Resource; |
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import org.gvsig.data.commands.ICommand; |
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import org.gvsig.data.commands.ICommandsRecord; |
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import org.gvsig.data.commands.implementation.FeatureCommandsRecord; |
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import org.gvsig.data.exception.CloseException; |
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import org.gvsig.data.exception.DataException; |
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import org.gvsig.data.exception.InitializeException; |
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import org.gvsig.data.exception.OpenException; |
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import org.gvsig.data.exception.ReadException; |
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import org.gvsig.data.exception.WriteException; |
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import org.gvsig.data.vectorial.expansionadapter.IExpansionAdapter; |
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import org.gvsig.data.vectorial.expansionadapter.MemoryExpansionAdapter; |
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import org.gvsig.util.observer.ComplexNotification; |
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import org.gvsig.util.observer.IObservable; |
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import org.gvsig.util.observer.IObserver; |
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import org.gvsig.util.observer.Observable; |
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public abstract class FeatureStore implements IFeatureStore { |
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protected IDataStoreParameters parameters;
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protected IDataCollection selection;
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protected ICommandsRecord commands;
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protected boolean alterMode = false; |
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// protected ComplexObservable observable=new ComplexObservable();
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protected IDataCollection locked;
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protected Observable observable=new Observable(); |
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protected FeatureManager featureManager;
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protected SpatialManager spatialManager;
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protected AttributeManager attributeManager;
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protected ArrayList resouceObservers = new ArrayList(); |
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protected IFeatureType defaultFeatureType = null; |
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|
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public void init(IDataStoreParameters parameters) throws InitializeException { |
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this.parameters = parameters;
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} |
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public void init(IDataStoreParameters parameters,Resource resource) throws InitializeException { |
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this.parameters = parameters;
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this.observeResource(resource);
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} |
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|
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protected final void observeResource(Resource resource){ |
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ResourceChangedObserver observer=new ResourceChangedObserver(this); |
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resource.addObserver(observer); |
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this.resouceObservers.add(observer);
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} |
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protected void initSpatialManager(){ |
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spatialManager=new SpatialManager();
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} |
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protected void initAttributeManager() { |
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IExpansionAdapter expansionAttributeAdapter=new MemoryExpansionAdapter();
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attributeManager=new AttributeManager(expansionAttributeAdapter,getDefaultFeatureType());
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} |
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protected void initExpansionManager() { |
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IExpansionAdapter expansionFeatureAdapter=new MemoryExpansionAdapter();
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featureManager=new FeatureManager(expansionFeatureAdapter);
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} |
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public IDataCollection getDataCollection() throws ReadException { |
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return getDataCollection(null, null, null); |
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} |
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|
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public void getDataCollection(IObserver observer) { |
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getDataCollection(null, null, null,observer); |
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} |
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|
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public final void setSelection(IDataCollection selection) { |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_SELECTIONCHANGE) |
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); |
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doSelection(selection); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_SELECTIONCHANGE) |
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); |
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|
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} |
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protected void doSelection(IDataCollection selection) { |
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this.selection = selection;
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} |
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public IDataCollection createSelection() {
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MemoryFeatureCollection selection = new MemoryFeatureCollection();
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return selection;
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} |
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public IDataCollection getSelection() {
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if( selection == null ){ |
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selection = createSelection(); |
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} |
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return selection;
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} |
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public IDataCollection createLocked() {
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MemoryFeatureCollection locked = new MemoryFeatureCollection();
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return locked;
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} |
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public IDataCollection getLocked() {
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if( locked == null ){ |
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locked = createLocked(); |
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} |
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return locked;
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} |
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public final void setLocked(IDataCollection locked) { |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_LOCKEDCHANGE) |
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); |
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doLocked(locked); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_LOCKEDCHANGE) |
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); |
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|
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} |
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protected void doLocked(IDataCollection locked) { |
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this.locked = locked;
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} |
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public boolean isLocked(IFeatureID id) { |
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return locked.contains(id);
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} |
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public final boolean lock(IFeatureID id) { |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_LOCKEDCHANGE) |
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); |
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doLock(id); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_LOCKEDCHANGE) |
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); |
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return true; |
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} |
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protected void doLock(IFeatureID id) { |
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locked.add(id); |
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} |
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public final void startEditing() throws ReadException { |
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if (!this.isEditable()) { |
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throw new ReadException("AbstractFeatureStore", |
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new UnsupportedOperationException("Not editable")); |
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} |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_STARTEDITING) |
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); |
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doStartEditing(); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_STARTEDITING) |
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); |
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} |
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protected void doStartEditing() { |
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// commands.clear();
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initExpansionManager(); |
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initSpatialManager(); |
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initAttributeManager(); |
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commands = new FeatureCommandsRecord(featureManager, spatialManager, attributeManager);
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alterMode = true;
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} |
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public final void delete(IFeatureAttributeDescriptor attributeDescriptor) { |
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//FIXME Comporobar que el attribute viene del Fype de este store
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if( !alterMode ) {
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throw new RuntimeException("alterMode is false"); |
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} |
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this.observable.notifyObservers(this, |
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new AttributeStoreNotification(this,AttributeStoreNotification.BEFORE_DELETE_ATTRIBUTE,attributeDescriptor) |
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); |
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doDelete(attributeDescriptor); |
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this.observable.notifyObservers(this, |
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new AttributeStoreNotification(this,AttributeStoreNotification.AFTER_DELETE_ATTRIBUTE,attributeDescriptor) |
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); |
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} |
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protected void doDelete(IFeatureAttributeDescriptor attributeDescriptor) { |
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commands.delete(attributeDescriptor); |
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} |
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public final void insert(IFeatureAttributeDescriptor attributeDescriptor) throws DataException { |
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if( !alterMode ) {
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throw new DataException("alterMode is false"); |
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} |
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if (!((AttributeDescriptor)attributeDescriptor).isNew()){
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throw new DataException("attribute is not new"); |
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} |
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this.observable.notifyObservers(this, |
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new AttributeStoreNotification(this,AttributeStoreNotification.BEFORE_INSERT_ATTRIBUTE,attributeDescriptor) |
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); |
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doInsert(attributeDescriptor); |
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this.observable.notifyObservers(this, |
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new AttributeStoreNotification(this,FeatureStoreNotification.AFTER_INSERT,attributeDescriptor) |
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); |
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|
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} |
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protected void doInsert(IFeatureAttributeDescriptor attributeDescriptor) { |
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((AttributeDescriptor)attributeDescriptor).stopEditing(); |
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commands.insert(attributeDescriptor); |
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} |
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public final void update(IFeatureAttributeDescriptor attributeDescriptor) { |
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//FIXME Comporobar que el attribute viene del Fype de este store
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if( !alterMode ) {
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throw new RuntimeException("alterMode is false"); |
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} |
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this.observable.notifyObservers(this, |
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new AttributeStoreNotification(this,AttributeStoreNotification.BEFORE_UPDATE_ATTRIBUTE,attributeDescriptor) |
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); |
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doUpdate(attributeDescriptor); |
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this.observable.notifyObservers(this, |
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new AttributeStoreNotification(this,AttributeStoreNotification.AFTER_UPDATE_ATTRIBUTE,attributeDescriptor) |
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); |
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} |
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protected void doUpdate(IFeatureAttributeDescriptor attributeDescriptor) { |
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commands.update(((AttributeDescriptor)attributeDescriptor).getNewAttributeDescriptor(),attributeDescriptor); |
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((AttributeDescriptor)attributeDescriptor).stopEditing(); |
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} |
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public final void delete(IFeature feature) { |
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if( !alterMode ) {
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throw new RuntimeException("alterMode is false"); |
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} |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_DELETE,feature) |
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); |
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doDelete(feature); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_DELETE,feature) |
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); |
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} |
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protected void doDelete(IFeature feature) { |
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commands.delete(feature); |
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} |
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public final void insert(IFeature feature) { |
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if( !alterMode ) {
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throw new RuntimeException("alterMode is false"); |
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} |
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// FIXME: Comprobar que la feature es de este store
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feature.validateModification(this);
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_INSERT,feature) |
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); |
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doInsert(feature); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_INSERT,feature) |
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); |
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|
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} |
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protected void doInsert(IFeature feature) { |
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commands.insert(((Feature)feature).getNewFeature()); |
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} |
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public final void update(IFeature feature) { |
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if( !alterMode ) {
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throw new RuntimeException("alterMode is false"); |
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} |
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// FIXME: Comprobar que la feature es de este store
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feature.validateModification(this);
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_UPDATE,feature) |
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); |
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doUpdate(feature); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_UPDATE,feature) |
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); |
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} |
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protected void doUpdate(IFeature feature) { |
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feature.validateModification(this);
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Feature oldFeature = (Feature)feature; |
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IFeature newFeature=oldFeature.getNewFeature(); |
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oldFeature.stopEditing(); |
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commands.update(newFeature,oldFeature); |
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} |
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public final void redo() { |
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if( !alterMode ) {
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throw new RuntimeException("alterMode is false"); |
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} |
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ICommand redo = commands.getNextRedoCommand(); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_REDO,redo) |
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); |
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doRedo(); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_REDO,redo) |
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); |
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} |
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protected void doRedo() { |
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commands.redo(); |
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} |
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public final void undo() { |
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if( !alterMode ) {
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throw new RuntimeException("alterMode is false"); |
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} |
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ICommand undo = commands.getNextUndoCommand(); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_UNDO,undo) |
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); |
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doUndo(); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_UNDO,undo) |
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); |
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} |
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protected void doUndo() { |
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commands.undo(); |
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} |
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public ICommandsRecord getCommandsRecord() {
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if( !alterMode ) {
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throw new RuntimeException("alterMode is false"); |
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} |
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return commands;
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} |
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protected void doCancelEditing(){ |
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commands.clear(); |
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} |
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public final void cancelEditing() { |
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if( !alterMode ) {
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throw new RuntimeException("alterMode is false"); |
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} |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_CANCELEDITING) |
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); |
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doCancelEditing(); |
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alterMode = false;
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_CANCELEDITING) |
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); |
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} |
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public final void finishEditing() throws WriteException, ReadException{ |
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if( !alterMode ) {
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//FIXME: OJO arreglar esta excepci?n!!!
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throw new RuntimeException("alterMode is false"); |
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} |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_FINISHEDITING) |
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); |
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this.validateEndEditing();
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doFinishEdition(); |
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commands.clear(); |
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featureManager=null;
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spatialManager=null;
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attributeManager=null;
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commands = null;
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alterMode = false;
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_FINISHEDITING) |
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); |
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|
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} |
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protected abstract void doFinishEdition() throws WriteException, ReadException ; |
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public Iterator getChilds() { |
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return null; |
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} |
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public void beginComplexNotification() { |
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this.observable.beginComplexNotification(new ComplexNotification()); |
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|
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} |
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public void endComplexNotification() { |
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this.observable.endComplexNotification(this); |
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|
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} |
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public void addObserver(IObserver o) { |
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this.observable.addObserver(o);
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|
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} |
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public void addObserver(Reference ref) { |
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this.observable.addObserver(ref);
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} |
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|
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public void deleteObserver(IObserver o) { |
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this.observable.deleteObserver(o);
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} |
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|
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public void deleteObserver(Reference ref) { |
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this.observable.deleteObserver(ref);
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} |
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|
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public void deleteObservers() { |
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this.observable.deleteObservers();
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|
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} |
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|
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public boolean isEditing() { |
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return alterMode;
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} |
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|
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protected void validateEndEditing() throws ReadException{ |
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IFeatureCollection collection = (IFeatureCollection)this.getDataCollection();
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Iterator iter = collection.iterator();
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while (iter.hasNext()){
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((IFeature)iter.next()).validateEnd(this);
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} |
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|
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} |
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|
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public void disableNotifications() { |
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this.observable.diableNotifications();
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|
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} |
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|
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public void enableNotifications() { |
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this.observable.enableNotifications();
|
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} |
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public void getDataCollection(IFeatureType type, String filter, String order,IObserver observer) { |
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LoadInBackGround task = new LoadInBackGround(this,type,filter,order,observer); |
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Thread thread = new Thread(task); |
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thread.run(); |
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} |
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private class LoadInBackGround implements Runnable{ |
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|
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private IFeatureStore store;
|
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private IFeatureType type;
|
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private String filter; |
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private String order; |
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|
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private IObserver observer;
|
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|
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public IDataCollection collection = null; |
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public LoadInBackGround(IFeatureStore store,IFeatureType type, String filter, String order,IObserver observer){ |
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this.store = store;
|
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this.type = type;
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this.filter = filter;
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this.order = order;
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this.observer = observer;
|
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|
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} |
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|
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public void run() { |
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try{
|
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collection = getDataCollection(type, filter, order); |
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} catch (Exception e) { |
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this.observer.update(this.store, new FeatureStoreNotification( |
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this.store,
|
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IFeatureStoreNotification.LOAD_FINISHED, |
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e) |
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); |
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} |
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this.observer.update(
|
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this.store, new FeatureStoreNotification( |
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this.store,
|
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IFeatureStoreNotification.LOAD_FINISHED, |
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collection) |
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); |
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|
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} |
510 |
|
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|
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} |
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public IFeature createFeature(IFeatureType type) throws InitializeException { |
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return this.createDefaultFeature(true); |
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} |
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|
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public IFeature createDefaultFeature(boolean defaultValues) throws InitializeException{ |
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IFeature feature; |
519 |
try {
|
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feature = new CreatedFeature(getDefaultFeatureType(),defaultValues);
|
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} catch (ReadException e) {
|
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throw new InitializeException(this.getName(),e); |
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} |
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return feature;
|
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} |
526 |
|
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public IDataStoreParameters getParameters() {
|
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return parameters;
|
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} |
530 |
|
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protected abstract void doOpen() throws OpenException; |
532 |
|
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protected abstract void doClose() throws CloseException; |
534 |
|
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protected void doDispose() throws CloseException{ |
536 |
this.parameters = null; |
537 |
if (this.selection != null){ |
538 |
this.selection.dispose();
|
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this.selection = null; |
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} |
541 |
this.commands = null; |
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if (this.locked != null){ |
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this.locked.dispose();
|
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this.locked = null; |
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} |
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this.observable=null; |
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this.featureManager = null; |
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this.spatialManager = null; |
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this.attributeManager = null; |
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this.resouceObservers.clear();
|
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this.resouceObservers = null; |
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} |
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|
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public final void open() throws OpenException { |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_OPEN) |
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); |
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doOpen(); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_OPEN) |
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); |
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|
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} |
564 |
|
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public final void close() throws CloseException { |
566 |
this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_CLOSE) |
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); |
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doClose(); |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_CLOSE) |
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); |
573 |
|
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} |
575 |
|
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public final void dispose() throws CloseException{ |
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this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_DISPOSE) |
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); |
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doDispose(); |
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} |
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|
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protected abstract void doRefresh() throws OpenException,InitializeException; |
584 |
|
585 |
public final void refresh() throws OpenException,InitializeException{ |
586 |
doRefresh(); |
587 |
} |
588 |
|
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private void notifyResourceChange(){ |
590 |
this.observable.notifyObservers(this, |
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new FeatureStoreNotification(this,FeatureStoreNotification.RESOURCE_CHANGED) |
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); |
593 |
|
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} |
595 |
|
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private class ResourceChangedObserver implements IObserver{ |
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|
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private FeatureStore theStore;
|
599 |
|
600 |
public ResourceChangedObserver(FeatureStore theStore){
|
601 |
this.theStore = theStore;
|
602 |
} |
603 |
|
604 |
/* (non-Javadoc)
|
605 |
* @see org.gvsig.util.observer.IObserver#update(org.gvsig.util.observer.IObservable, java.lang.Object)
|
606 |
*/
|
607 |
public void update(IObservable observable, Object notification) { |
608 |
if (!(notification instanceof IResourceNotification)){ |
609 |
return;
|
610 |
} |
611 |
if (((IResourceNotification)notification).getStore() == this.theStore){ |
612 |
return;
|
613 |
} |
614 |
|
615 |
if (((IResourceNotification)notification).getType().equals(IResourceNotification.CHANGED)){
|
616 |
this.theStore.notifyResourceChange();
|
617 |
} |
618 |
} |
619 |
|
620 |
} |
621 |
|
622 |
/* (non-Javadoc)
|
623 |
* @see org.gvsig.data.vectorial.IFeatureStore#getDefaultFeatureType()
|
624 |
*/
|
625 |
public IFeatureType getDefaultFeatureType() {
|
626 |
if (isEditing()){
|
627 |
// Aqu? hay que construir un FeatureType con los cambios que se hayan hecho en la edici?n.
|
628 |
return attributeManager.getFeatureType();
|
629 |
} |
630 |
return defaultFeatureType;
|
631 |
} |
632 |
|
633 |
/* (non-Javadoc)
|
634 |
* @see org.gvsig.data.vectorial.IFeatureStore#createAttributeDescriptor()
|
635 |
*/
|
636 |
public IFeatureAttributeDescriptor createAttributeDescriptor() {
|
637 |
// FIXME Hay que identificar de que FType queremos crear el attributo
|
638 |
// FIXME el Attribute lo deber?a de crea el FType
|
639 |
return new AttributeDescriptor(true); |
640 |
} |
641 |
} |