Revision 21778
| branches/v2_0_0_prep/libraries/libFMap_data/src/org/gvsig/data/vectorial/expressionevaluator/ExpressionEvaluator.java | ||
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import org.gvsig.data.vectorial.FeatureType; |
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import org.gvsig.data.vectorial.expressionevaluator.functions.Equals; |
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import org.gvsig.data.vectorial.expressionevaluator.functions.GeometryFromText; |
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import org.gvsig.data.vectorial.expressionevaluator.functions.Intersects; |
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import org.gvsig.data.vectorial.expressionevaluator.functions.Overlaps; |
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import org.medfoster.sqljep.BaseJEP; |
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import org.medfoster.sqljep.function.PostfixCommand; |
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|
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protected static void registerBaseFunctions() {
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registerFunction(Equals.NAME, new Equals()); |
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registerFunction(GeometryFromText.NAME, new GeometryFromText()); |
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registerFunction(Intersects.NAME, new Intersects()); |
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registerFunction(Overlaps.NAME, new Overlaps()); |
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} |
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public static void registerFunction(String name, PostfixCommand aFunction) {
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| branches/v2_0_0_prep/libraries/libFMap_data/src/org/gvsig/data/vectorial/expressionevaluator/functions/Intersects.java | ||
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/* gvSIG. Geographic Information System of the Valencian Government |
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* |
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* Copyright (C) 2007-2008 Infrastructures and Transports Department |
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* of the Valencian Government (CIT) |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
|
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
|
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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* |
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*/ |
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|
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/* |
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* AUTHORS (In addition to CIT): |
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* 2008 IVER T.I. S.A. {{Task}}
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*/ |
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package org.gvsig.data.vectorial.expressionevaluator.functions; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.operation.relationship.DefaultRelationshipGeometryOperationContext; |
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import org.medfoster.sqljep.ASTFunNode; |
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import org.medfoster.sqljep.JepRuntime; |
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import org.medfoster.sqljep.ParseException; |
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import org.medfoster.sqljep.function.PostfixCommand; |
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public class Intersects extends PostfixCommand {
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public static final String NAME = "intersects"; |
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final public int getNumberOfParameters() {
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return 2; |
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} |
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/* (non-Javadoc) |
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* @see org.medfoster.sqljep.function.PostfixCommand#evaluate(org.medfoster.sqljep.ASTFunNode, org.medfoster.sqljep.JepRuntime) |
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*/ |
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public void evaluate(ASTFunNode node, JepRuntime runtime) |
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throws ParseException {
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node.childrenAccept(runtime.ev, null); |
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Geometry geom1 = (Geometry)runtime.stack.pop(); |
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Geometry geom2 = (Geometry)runtime.stack.pop(); |
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runtime.stack.push(overlaps(geom1, geom2)); |
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} |
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private static Boolean overlaps(Geometry geom1, Geometry geom2) throws ParseException {
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try {
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return (Boolean) geom1.invokeOperation( |
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org.gvsig.fmap.geom.operation.relationship.Intersects.CODE, |
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new DefaultRelationshipGeometryOperationContext(geom2)); |
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} catch (GeometryOperationNotSupportedException e) {
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throw new ParseException(NAME, e); |
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} catch (GeometryOperationException e) {
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throw new ParseException(NAME, e); |
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} |
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} |
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} |
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| branches/v2_0_0_prep/libraries/libFMap_data/src/org/gvsig/data/vectorial/expressionevaluator/functions/Overlaps.java | ||
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| 1 |
/* gvSIG. Geographic Information System of the Valencian Government |
|
| 2 |
* |
|
| 3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department |
|
| 4 |
* of the Valencian Government (CIT) |
|
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* |
|
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* This program is free software; you can redistribute it and/or |
|
| 7 |
* modify it under the terms of the GNU General Public License |
|
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* as published by the Free Software Foundation; either version 2 |
|
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* of the License, or (at your option) any later version. |
|
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* |
|
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* This program is distributed in the hope that it will be useful, |
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
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* GNU General Public License for more details. |
|
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* |
|
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* You should have received a copy of the GNU General Public License |
|
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* along with this program; if not, write to the Free Software |
|
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
|
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* MA 02110-1301, USA. |
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* |
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*/ |
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|
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/* |
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* AUTHORS (In addition to CIT): |
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* 2008 IVER T.I. S.A. {{Task}}
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*/ |
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package org.gvsig.data.vectorial.expressionevaluator.functions; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.operation.relationship.DefaultRelationshipGeometryOperationContext; |
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import org.medfoster.sqljep.ASTFunNode; |
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import org.medfoster.sqljep.JepRuntime; |
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import org.medfoster.sqljep.ParseException; |
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import org.medfoster.sqljep.function.PostfixCommand; |
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public class Overlaps extends PostfixCommand {
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public static final String NAME = "overlaps"; |
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final public int getNumberOfParameters() {
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return 2; |
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} |
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/* (non-Javadoc) |
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* @see org.medfoster.sqljep.function.PostfixCommand#evaluate(org.medfoster.sqljep.ASTFunNode, org.medfoster.sqljep.JepRuntime) |
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*/ |
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public void evaluate(ASTFunNode node, JepRuntime runtime) |
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throws ParseException {
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node.childrenAccept(runtime.ev, null); |
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Geometry geom1 = (Geometry)runtime.stack.pop(); |
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Geometry geom2 = (Geometry)runtime.stack.pop(); |
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runtime.stack.push(overlaps(geom1, geom2)); |
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} |
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private static Boolean overlaps(Geometry geom1, Geometry geom2) throws ParseException {
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try {
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return (Boolean) geom1.invokeOperation( |
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org.gvsig.fmap.geom.operation.relationship.Overlaps.CODE, |
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new DefaultRelationshipGeometryOperationContext(geom2)); |
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} catch (GeometryOperationNotSupportedException e) {
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throw new ParseException(NAME, e); |
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} catch (GeometryOperationException e) {
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throw new ParseException(NAME, e); |
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} |
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} |
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} |
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