Revision 36207 branches/v2_0_0_prep/libraries/libFMap_dal/src/org/gvsig/fmap/dal/feature/impl/DefaultFeatureIndex.java
| DefaultFeatureIndex.java | ||
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import java.util.ArrayList; |
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import java.util.List; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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import org.gvsig.fmap.dal.feature.FeatureStoreNotification; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.exception.FeatureIndexException; |
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import org.gvsig.fmap.dal.feature.exception.InvalidFeatureIndexException; |
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import org.gvsig.fmap.dal.feature.spi.FeatureStoreProviderServices; |
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import org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider; |
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import org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProviderServices; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dispose.DisposableIterator; |
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import org.gvsig.tools.dispose.DisposeUtils; |
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import org.gvsig.tools.observer.impl.BaseWeakReferencingObservable; |
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import org.gvsig.tools.task.SimpleTaskStatus; |
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import org.gvsig.tools.task.TaskStatusManager; |
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/** |
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* Default feature index provider services. |
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* @author jyarza |
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* |
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*/ |
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public class DefaultFeatureIndex implements FeatureIndexProviderServices {
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public class DefaultFeatureIndex extends BaseWeakReferencingObservable |
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implements FeatureIndexProviderServices {
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private static final Logger LOG = LoggerFactory |
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.getLogger(DefaultFeatureIndex.class); |
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private final FeatureStoreProviderServices featureStore; |
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private final FeatureType featureType; |
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private final String attributeName; |
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return dataType; |
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} |
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/** |
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* Fills this index with all the data in its FeatureStore |
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*/ |
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public final void fill() throws FeatureIndexException {
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public synchronized final void fill() throws FeatureIndexException {
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fill(false); |
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} |
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public void fill(boolean background) throws FeatureIndexException {
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if (!isValid()) {
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throw new InvalidFeatureIndexException(); |
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} |
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if (background) {
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filling = true; |
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Runnable task = new Runnable() {
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public void run() {
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try {
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clearAndFill(); |
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} catch (DataException e) {
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LOG.error("Error filling index: " + this, e);
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} |
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} |
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}; |
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Thread thread = new Thread(task, "Fill index data"); |
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thread.start(); |
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} else {
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try {
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clearAndFill(); |
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} catch (DataException e) {
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throw new FeatureIndexException(e); |
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} |
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} |
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} |
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/** |
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* @throws DataException |
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*/ |
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private void clearAndFill() throws DataException {
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FeatureSet set = null; |
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try {
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filling = true; |
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set = |
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getFeatureStoreProviderServices().getFeatureStore() |
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.getFeatureSet(); |
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filling = true; |
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clear(); |
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doInsert(set); |
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filling = false; |
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notify(this, new DefaultFeatureStoreNotification( |
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getFeatureStoreProviderServices().getFeatureStore(), |
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FeatureStoreNotification.INDEX_FILLED_SUCCESSFULLY, this)); |
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} catch (DataException e) {
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filling = false; |
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setValid(false); |
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notify(this, new DefaultFeatureStoreNotification( |
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getFeatureStoreProviderServices().getFeatureStore(), |
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FeatureStoreNotification.INDEX_FILLING_ERROR, e)); |
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throw new FeatureIndexException(e); |
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} finally {
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filling = false; |
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DisposeUtils.dispose(set); |
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} |
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} |
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public final void insert(FeatureSet data) throws DataException {
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public synchronized final void insert(FeatureSet data) throws DataException {
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if (!isValid()) {
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throw new InvalidFeatureIndexException(); |
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} |
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private void doInsert(FeatureSet data) throws DataException {
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DisposableIterator it = null; |
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TaskStatusManager statusManager = ToolsLocator.getTaskStatusManager(); |
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SimpleTaskStatus status = |
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statusManager.createDefaultSimpleTaskStatus("Filling index");
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status.setCancellable(false); |
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// status.setRangeOfValues(0, data.getSize()); |
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status.add(); |
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long counter = 0; |
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try {
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it = data.fastIterator(); |
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while (it.hasNext()) {
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Feature feat = (Feature) it.next(); |
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doInsert(feat); |
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status.setCurValue(counter++); |
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} |
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} catch (RuntimeException e) {
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status.abort(); |
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throw e; |
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} finally {
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DisposeUtils.dispose(it); |
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status.remove(); |
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} |
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} |
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public void insert(Feature feat) {
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public synchronized final void insert(Feature feat) {
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if (!isValid()) {
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throw new RuntimeException(new InvalidFeatureIndexException()); |
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} |
| ... | ... | |
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indexProvider.initialize(); |
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} |
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public void delete(Feature feat) {
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public synchronized final void delete(Feature feat) {
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if (!isValid()) {
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throw new RuntimeException(new InvalidFeatureIndexException()); |
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} |
| ... | ... | |
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(FeatureReferenceProviderServices) feat.getReference()); |
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} |
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public void delete(FeatureSet data) throws FeatureIndexException {
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public synchronized final void delete(FeatureSet data) |
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throws FeatureIndexException {
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if (!isValid()) {
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throw new InvalidFeatureIndexException(); |
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} |
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