Revision 45989 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/featureset/EditedIterator.java
| EditedIterator.java | ||
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*/ |
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package org.gvsig.fmap.dal.feature.impl.featureset; |
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import java.util.HashSet; |
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import java.util.Iterator; |
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import java.util.Set; |
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import java.util.logging.Level; |
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import java.util.logging.Logger; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.impl.editing.memory.FeatureManager; |
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import org.gvsig.fmap.dal.feature.impl.featurereference.FeatureReferenceFactory; |
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import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.tools.util.ChainedIterator; |
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private DefaultFeatureStore store; |
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protected FeatureManager featureManager; |
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private Set<FeatureReference> visitedReferences; |
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public EditedIterator(DefaultFeatureSet featureSet) {
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super(featureSet); |
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this.store = featureSet.store; |
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this.featureManager = this.store.getFeatureManager(); |
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this.visitedReferences = new HashSet<>(); |
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} |
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public EditedIterator(DefaultFeatureSet featureSet, long index) |
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public EditedIterator(DefaultFeatureSet featureSet, long index, long elements)
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throws DataException {
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this(featureSet); |
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Iterator<EditableFeature> insertedFeatures = this.featureManager.getInsertedFeatures();//Don't use getInserteds because referenceFeature will be missed |
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Iterator<EditableFeature> updatedFeatures = this.featureManager.getUpdatedFeatures(); |
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final Iterator<FeatureProvider> providerIterator = featureSet.provider.iterator(); |
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final Iterator<FeatureProvider> providerIterator; |
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FeatureSetProvider provider = featureSet.provider; |
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boolean canDelegateInProvider = provider.canFilter() && provider.canIterateFromIndex() && !featureManager.hasDeleteds(); |
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if (canDelegateInProvider) {
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providerIterator = provider.iterator(index, elements); |
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} else {
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providerIterator = provider.iterator(); |
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} |
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Iterator<FeatureProvider> wrappedProviderIterator = new Iterator<FeatureProvider>() {
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@Override |
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public boolean hasNext() {
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| ... | ... | |
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return data; |
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} |
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if (modified != null) {
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visitedReferences.add(ref); |
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return modified.getData(); |
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} |
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return data; |
| ... | ... | |
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EditedIterator.super.remove(); |
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} |
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}; |
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this.iterator = new ChainedIterator(wrappedProviderIterator, insertedFeatures); |
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if (index > 0) {
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skypto(index); |
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this.iterator = new ChainedIterator(wrappedProviderIterator, insertedFeatures, updatedFeatures); |
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if (!canDelegateInProvider) {
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if (index > 0) {
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skypto(index); |
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} |
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} |
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} |
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|
| ... | ... | |
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@Override |
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protected boolean skipFeature(FeatureProvider data) {
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try {
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if (getIterator().getCurrent() == 0) {
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if (this.featureManager.isDeleted(data)) {
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return true; |
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}; |
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// FeatureReference ref = FeatureReferenceFactory.createFromFeatureProvider(store, data); |
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// if (this.featureManager.get(ref, store) != null) {
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// return true; |
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// }; |
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switch (getIterator().getCurrent()) {
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case 0: |
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if (this.featureManager.isDeleted(data)) {
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return true; |
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} |
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break; |
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case 2: |
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FeatureReference ref = FeatureReferenceFactory.createFromFeatureProvider(store, data); |
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if (visitedReferences.contains(ref)){
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return true; |
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} |
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break; |
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} |
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} catch (Exception ex) {
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LOGGER.warn("Can't check if must skip feature.", ex);
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