Revision 725 org.gvsig.topology/trunk/org.gvsig.topology/org.gvsig.topology.lib/org.gvsig.topology.lib.impl/src/main/java/org/gvsig/topology/lib/impl/DefaultTopologyDataSet.java
| DefaultTopologyDataSet.java | ||
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*/ |
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package org.gvsig.topology.lib.impl; |
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import java.util.Iterator; |
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import java.util.Map; |
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import org.apache.commons.collections.IteratorUtils; |
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import org.apache.commons.lang3.StringUtils; |
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import org.apache.commons.lang3.mutable.MutableObject; |
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import org.gvsig.expressionevaluator.Expression; |
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import org.gvsig.fmap.dal.EditingNotification; |
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import org.gvsig.fmap.dal.EditingNotificationManager; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureReference; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureStoreProviderFactory; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.swing.DALSwingLocator; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.SpatialIndex; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.tools.util.PropertiesSupportHelper; |
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import org.gvsig.topology.lib.api.TopologyManager; |
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import org.json.JSONObject; |
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import org.gvsig.topology.lib.api.TopologyServices; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/** |
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* |
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@SuppressWarnings({"EqualsAndHashcode","UseSpecificCatch"})
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public class DefaultTopologyDataSet implements TopologyDataSet {
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private final static Logger LOGGER = LoggerFactory.getLogger(DefaultTopologyDataSet.class); |
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private TopologyServices services; |
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private String name; |
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private FeatureStore store; |
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private boolean needFinishEditing; |
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private String fullName; |
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private PropertiesSupportHelper propertiesHelper; |
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private MutableObject<SpatialIndex> spatialIndex = null; |
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public DefaultTopologyDataSet() {
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this.services = null; |
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this.name = null; |
| ... | ... | |
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return this.propertiesHelper.getProperties(); |
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} |
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public SpatialIndex getSpatialIndex() {
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if( this.spatialIndex == null ) {
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this.spatialIndex = new MutableObject<>(); |
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FeatureStore theStore = this.getStore(); |
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FeatureStoreProviderFactory storeFactory = (FeatureStoreProviderFactory) theStore.getProviderFactory(); |
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if( storeFactory.useLocalIndexesCanImprovePerformance()==FeatureStoreProviderFactory.YES ) {
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try {
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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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final SpatialIndex geomIndex = geomManager.createSpatialIndex( |
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GeometryManager.SPATIALINDEX_DEFAULT_QUADTREE, |
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null |
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); |
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final SpatialIndex dataIndex = theStore.wrapSpatialIndex(geomIndex); |
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try {
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store.accept(new Visitor() {
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@Override |
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public void visit(Object o) throws VisitCanceledException, BaseException {
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Feature f = (Feature) o; |
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Geometry geom = f.getDefaultGeometry(); |
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if (geom != null) {
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dataIndex.insert(geom, f); |
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} |
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} |
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}); |
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} catch (VisitCanceledException ex) {
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} |
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this.spatialIndex.setValue(dataIndex); |
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} catch (Exception ex) {
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LOGGER.warn("Can't create spatial index", ex);
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} |
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} |
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} |
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return this.spatialIndex.getValue(); |
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} |
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public Iterable<FeatureReference> query(Geometry geom) {
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SpatialIndex index = this.getSpatialIndex(); |
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if( index == null ) {
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return (Iterable<FeatureReference>) IteratorUtils.EMPTY_ITERATOR; |
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} |
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final Iterator it = index.query(geom); |
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if( it == null ) {
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return (Iterable<FeatureReference>) IteratorUtils.EMPTY_ITERATOR; |
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} |
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return new Iterable<FeatureReference>() {
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@Override |
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public Iterator<FeatureReference> iterator() {
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return it; |
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} |
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}; |
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} |
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@Override |
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public Feature findFirst(Expression filter) {
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try {
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return this.getStore().findFirst(filter); |
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} catch (Exception ex) {
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return null; |
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} |
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} |
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} |
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