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 / featureset / FastDefaultIterator.java @ 40435
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package org.gvsig.fmap.dal.feature.impl.featureset; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.impl.DefaultFeature; |
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import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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import org.gvsig.tools.exception.BaseException; |
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public class FastDefaultIterator extends DefaultIterator { |
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DefaultFeature myFeature; |
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public FastDefaultIterator(DefaultFeatureSet featureSet, long index) |
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throws DataException {
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super(featureSet);
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this.initializeFeature();
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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.fastIterator(index);
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} catch (UnsupportedOperationException e) { |
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this.iterator = featureSet.provider.fastIterator();
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skypto(index); |
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} |
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} else {
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this.iterator = featureSet.provider.fastIterator();
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skypto(index); |
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} |
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} else {
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this.iterator = featureSet.provider.fastIterator();
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} |
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} |
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protected DefaultFeature createFeature(FeatureProvider fData)
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throws DataException {
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fData.setNew(false);
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this.myFeature.setData(fData);
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if (this.fset.transform.isEmpty()) { |
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return myFeature;
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} else {
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return (DefaultFeature) this.fset.transform.applyTransform( |
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myFeature, fset |
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.getDefaultFeatureType()); |
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} |
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} |
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protected void initializeFeature() { |
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myFeature = new DefaultFeature(fset.store);
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} |
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public void remove() { |
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super.remove();
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this.initializeFeature();
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} |
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protected void doDispose() throws BaseException { |
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super.doDispose();
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myFeature = null;
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} |
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} |