Revision 43358 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/DefaultFeatureSelection.java
| DefaultFeatureSelection.java | ||
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import org.gvsig.tools.persistence.PersistenceManager; |
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import org.gvsig.tools.persistence.PersistentState; |
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import org.gvsig.tools.persistence.exception.PersistenceException; |
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import org.gvsig.tools.visitor.Visitor; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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public class DefaultFeatureSelection extends AbstractFeatureSet |
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implements FeatureSelection {
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private static final Logger LOG = LoggerFactory |
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.getLogger(DefaultFeatureSelection.class); |
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public class RemoveFromFeatureSelectionException extends DataRuntimeException {
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/** |
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* WARN: not very good performance implementation. |
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*/ |
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@Override |
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public DisposableIterator iterator(long index) {
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return iterator(index, false);
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}
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public DisposableIterator iterator(long index) {
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return iterator(index, 0, false);
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}
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@Override |
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public DisposableIterator iterator(long index, long elements) {
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return iterator(index, elements, false); |
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} |
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/** |
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* Returns the list of selected values, or the deselected ones if the |
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* selection has been reversed. |
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* WARN: not really a fast implementation. |
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*/ |
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@Override |
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public DisposableIterator fastIterator(long index) {
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return iterator(index, true); |
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public DisposableIterator fastIterator(long index) {
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return fastIterator(index, 0); |
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} |
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@Override |
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public DisposableIterator fastIterator(long index, long elements) {
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return iterator(index, elements, true); |
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} |
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protected void clearFeatureReferences() {
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this.featureReferenceSelection.clearFeatureReferences(); |
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featureTypeCounts.clear(); |
| ... | ... | |
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/** |
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* Creates an iterator for the Selection. |
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*/ |
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private DisposableIterator iterator(long index, boolean fastIterator) {
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private DisposableIterator iterator(long index, long elements, boolean fastIterator) {
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if (isReversed()) {
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DisposableIterator iter = new ReversedFeatureIteratorFacade( |
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getData(), getFeatureStore(), fastIterator); |
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return clone; |
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} |
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@Override |
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protected void doAccept(Visitor visitor, long firstValueIndex, long elements) throws BaseException {
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DisposableIterator iterator = fastIterator(firstValueIndex, elements); |
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if (iterator != null) {
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try {
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while (iterator.hasNext()) {
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Feature feature = (Feature) iterator.next(); |
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visitor.visit(feature); |
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} |
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} finally {
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iterator.dispose(); |
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} |
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} |
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} |
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} |
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