svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.impl / src / main / java / org / gvsig / fmap / geom / impl / spatialIndex / AbstractSpatialIndex.java @ 41246
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 3 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us at info AT
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* gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.geom.impl.spatialIndex; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import org.gvsig.fmap.geom.Geometry; |
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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.SpatialIndexFactory; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dataTypes.CoercionException; |
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import org.gvsig.tools.dataTypes.DataTypesManager; |
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import org.gvsig.tools.dataTypes.DataTypesManager.Coercion; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.service.Manager; |
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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 abstract class AbstractSpatialIndex implements SpatialIndex { |
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private static Logger logger = LoggerFactory.getLogger(AbstractSpatialIndex.class); |
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private SpatialIndexFactory factory = null; |
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private GeometryManager manager = null; |
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private DynObject parameters = null; |
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private Coercion coercion = null; |
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public AbstractSpatialIndex(GeometryManager geometryManager, SpatialIndexFactory factory, DynObject parameters) {
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this.factory = factory;
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this.manager = geometryManager;
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this.parameters = parameters;
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} |
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public Manager getManager() {
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return this.manager; |
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} |
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public SpatialIndexFactory getFactory() {
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return this.factory; |
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} |
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public DynObject getParameters() {
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return this.parameters; |
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} |
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public Object getParameter(String name) { |
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return this.parameters.getDynValue(name); |
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} |
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public void query(Geometry geom, Visitor visitor) { |
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this.query(geom.getEnvelope(), visitor);
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} |
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public Iterator query(Geometry geom) { |
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return this.query(geom.getEnvelope()); |
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} |
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public Iterator query(org.gvsig.fmap.geom.primitive.Envelope envelope) { |
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return this.query(envelope, 0); |
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} |
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public Iterator query(Geometry geom, long limit) { |
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return this.query(geom.getEnvelope(), limit); |
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} |
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public Iterator queryNearest(Envelope envelope) { |
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return this.queryNearest(envelope, 0); |
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} |
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public Iterator queryNearest(Geometry geom) { |
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return this.queryNearest(geom.getEnvelope(), 0); |
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} |
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public Iterator queryNearest(Geometry geom, long limit) { |
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return this.queryNearest(geom.getEnvelope(), limit); |
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} |
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public void insert(Geometry geom, Object data) { |
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this.insert(geom.getEnvelope(), data);
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} |
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public void insert(Geometry geom) { |
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this.insert(geom.getEnvelope(), geom);
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} |
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public boolean remove(Geometry geom) { |
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return this.remove(geom.getEnvelope(), geom); |
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} |
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public boolean remove(Geometry geom, Object data) { |
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return this.remove(geom.getEnvelope(), data); |
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} |
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public List queryAsList(Envelope envelope) { |
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return asList(query(envelope));
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} |
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public List queryAsList(Geometry geom) { |
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return asList(query(geom));
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} |
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public List queryAllAsList() { |
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return asList(queryAll());
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} |
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protected List asList(Iterator it) { |
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List l = new ArrayList(); |
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while (it.hasNext()) {
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l.add(it.next()); |
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} |
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return l;
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} |
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protected Object coerceData(Object data) { |
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if( data == null ) { |
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return data;
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} |
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if( this.coercion == null ) { |
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int dataType = this.getFactory().getDataTypeSupported(); |
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DataTypesManager typeManager = ToolsLocator.getDataTypesManager(); |
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this.coercion = typeManager.getCoercion(dataType);
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} |
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try {
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return this.coercion.coerce(data); |
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} catch (CoercionException ex) {
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logger.warn("Can't coerce data to the index date type.",ex);
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throw new IllegalArgumentException("Can't coerce data to the index date type.",ex); |
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} |
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} |
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public void flush() { |
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// Do nothing, overwrite in each implementation if need
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} |
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} |