root / trunk / libraries / libDataSource / src / org / gvsig / data / vectorial / AbstractFeatureStore.java @ 19399
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package org.gvsig.data.vectorial; |
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import java.util.Iterator; |
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import org.gvsig.data.ComplexObservable; |
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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.IObserver; |
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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.vectorial.expansionadapter.AttributeManager; |
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import org.gvsig.data.vectorial.expansionadapter.FeatureManager; |
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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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public abstract class AbstractFeatureStore 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 FeatureManager featureManager;
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protected SpatialManager spatialManager;
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protected AttributeManager attributeManager;
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public void init(IDataStoreParameters parameters) { |
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this.parameters = parameters;
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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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} |
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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);
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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() {
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return getDataCollection(null, null, null); |
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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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public void setSelection(IDataCollection selection) { |
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_SELECTIONCHANGE) |
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); |
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this.selection = selection;
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_SELECTIONCHANGE) |
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); |
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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 void setLocked(IDataCollection locked) { |
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_LOCKEDCHANGE) |
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); |
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this.locked = locked;
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_LOCKEDCHANGE) |
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); |
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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 boolean lock(IFeatureID id) { |
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_LOCKEDCHANGE) |
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); |
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locked.add(id); |
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this.observable.notifyObservers(
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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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public void startEditing() { |
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_STARTEDITING) |
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); |
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commands.clear(); |
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alterMode = true;
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_STARTEDITING) |
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); |
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} |
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public void delete(IFeatureAttributeDescriptor attributeDescriptor) { |
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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(
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new AttributeStoreNotification(this,AttributeStoreNotification.BEFORE_DELETE_ATTRIBUTE,attributeDescriptor) |
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); |
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commands.delete(attributeDescriptor); |
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this.observable.notifyObservers(
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new AttributeStoreNotification(this,AttributeStoreNotification.AFTER_DELETE_ATTRIBUTE,attributeDescriptor) |
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); |
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} |
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public void insert(IFeatureAttributeDescriptor attributeDescriptor) { |
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if( !alterMode ) {
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throw new RuntimeException("alterMode is false"); |
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} |
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// attributeDescriptor.validateModification(this);
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this.observable.notifyObservers(
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new AttributeStoreNotification(this,AttributeStoreNotification.BEFORE_INSERT_ATTRIBUTE,attributeDescriptor) |
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); |
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commands.insert(attributeDescriptor); |
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this.observable.notifyObservers(
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new AttributeStoreNotification(this,FeatureStoreNotification.AFTER_INSERT,attributeDescriptor) |
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); |
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} |
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public void update(IFeatureAttributeDescriptor attributeDescriptor, IFeatureAttributeDescriptor oldAttributeDescriptor) { |
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if( !alterMode ) {
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throw new RuntimeException("alterMode is false"); |
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} |
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// feature.validateModification(this);
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this.observable.notifyObservers(
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new AttributeStoreNotification(this,AttributeStoreNotification.BEFORE_UPDATE_ATTRIBUTE,attributeDescriptor) |
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); |
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commands.update(attributeDescriptor,oldAttributeDescriptor); |
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this.observable.notifyObservers(
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new AttributeStoreNotification(this,AttributeStoreNotification.AFTER_UPDATE_ATTRIBUTE,attributeDescriptor) |
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); |
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} |
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public 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(
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_DELETE,feature) |
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); |
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commands.delete(feature); |
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_DELETE,feature) |
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); |
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} |
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public 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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feature.validateModification(this);
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_INSERT,feature) |
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); |
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commands.insert(feature); |
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_INSERT,feature) |
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); |
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} |
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public void update(IFeature feature, IFeature oldFeature) { |
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if( !alterMode ) {
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throw new RuntimeException("alterMode is false"); |
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} |
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feature.validateModification(this);
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_UPDATE,feature) |
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); |
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commands.update(feature,oldFeature); |
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_UPDATE,feature) |
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); |
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} |
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public 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(
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_REDO,redo) |
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); |
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commands.redo(); |
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_REDO,redo) |
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); |
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} |
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public 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(
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_UNDO,undo) |
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); |
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commands.undo(); |
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_UNDO,undo) |
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); |
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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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public 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(
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_CANCELEDITING) |
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); |
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commands.clear(); |
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alterMode = false;
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_CANCELEDITING) |
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); |
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} |
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public void finishEditing() { |
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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(
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new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_FINISHEDITING) |
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); |
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this.validateEndEditing();
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commands.clear(); |
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alterMode = false;
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this.observable.notifyObservers(
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new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_FINISHEDITING) |
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); |
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} |
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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();
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} |
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public void endComplexNotification() { |
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this.observable.endComplexNotification();
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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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public void deleteObserver(IObserver o) { |
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this.observable.deleteObserver(o);
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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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public boolean isEditing() { |
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return alterMode;
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} |
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protected void validateEndEditing(){ |
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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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public void disableNotifications() { |
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this.observable.diableNotifications();
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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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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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private IObserver observer;
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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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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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} |
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public IFeature createFeature(IFeatureType type) {
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IFeature feature=new MemoryFeature(type,true); |
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return feature;
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} |
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public IFeature createDefaultFeature(boolean defaultValues) { |
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IFeature feature=new MemoryFeature(getDefaultFeatureType(),defaultValues);
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return feature;
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} |
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} |