root / branches / v2_0_0_prep / libraries / libFMap_dal / src / org / gvsig / fmap / dal / feature / impl / featureset / EditedIterator.java @ 27525
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package org.gvsig.fmap.dal.feature.impl.featureset; |
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import java.util.Iterator; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.DisposableIterator; |
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import org.gvsig.fmap.dal.feature.FeatureReference; |
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import org.gvsig.fmap.dal.feature.impl.DefaultFeature; |
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import org.gvsig.fmap.dal.feature.impl.DefaultFeatureReference; |
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import org.gvsig.fmap.dal.feature.spi.FeatureData; |
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public class EditedIterator extends FilteredIterator { |
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Iterator newsFeatures;
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boolean featureIsNew;
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public EditedIterator(DefaultFeatureSet featureSet) {
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super(featureSet);
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} |
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public EditedIterator(DefaultFeatureSet featureSet, long index) |
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throws DataException {
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super(featureSet);
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this.newsFeatures = null; |
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if (index > 0) { |
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if (featureSet.provider.canIterateFromIndex()) {
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try {
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this.iterator = featureSet.provider.iterator(index);
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} catch (IllegalArgumentException e) { |
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this.iterator = featureSet.provider.iterator();
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skypto(index); |
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} catch (UnsupportedOperationException e) { |
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this.iterator = featureSet.provider.iterator();
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skypto(index); |
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} |
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} else {
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this.iterator = featureSet.provider.iterator();
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skypto(index); |
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} |
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} else {
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this.iterator = featureSet.provider.iterator();
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} |
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} |
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protected Iterator getIterator() { |
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if (this.featureIsNew){ |
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return this.newsFeatures; |
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} else if (this.iterator.hasNext()) { |
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featureIsNew=false;
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return this.iterator; |
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} else{
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featureIsNew = true;
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this.newsFeatures = this.fset.store.getFeatureManager() |
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.getInserted(); |
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return this.newsFeatures; |
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} |
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} |
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protected DefaultFeature createFeature(FeatureData data) {
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DefaultFeature f = null;
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data.setNew(featureIsNew); |
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try {
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FeatureReference ref = new DefaultFeatureReference(fset.store, data);
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f = (DefaultFeature) fset.store.getFeatureManager().get(ref, |
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fset.store, data.getType()); |
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} catch (DataException e) {
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RuntimeException ex = new RuntimeException(); |
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e.initCause(e); |
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throw ex;
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} |
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if (f == null) { |
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// La feature no se ha editado.
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f = new DefaultFeature(fset.store, data);
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} |
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return f;
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} |
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protected boolean isDeletedOrHasToSkip(FeatureData data) { |
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// XXX
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// si recorriendo los originales nos
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// encontramos uno nuevo, no lo devolvemos
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// porque se recorrera mas tarde.
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// Esto es una interaccion con los indices
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// ya que estos contienen todas las features ya
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// sea nuevas o no
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if (data.isNew() && !featureIsNew) {
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return true; |
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} |
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FeatureReference ref = new DefaultFeatureReference(fset.store, data);
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return fset.store.getFeatureManager().isDeleted(ref);
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} |
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public void dispose() { |
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super.dispose();
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if (newsFeatures instanceof DisposableIterator) { |
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((DisposableIterator) newsFeatures).dispose(); |
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} |
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newsFeatures = null;
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} |
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} |