Application: gvSIG desktop

package org.gvsig.expressionevaluator.impl.function.spatial;

import org.gvsig.expressionevaluator.impl.function.operator.*;

import org.gvsig.expressionevaluator.Function;

import org.gvsig.expressionevaluator.Interpreter;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryUtils;

public class AndAndOperator extends AbstractBinaryOperator {

    public static final String NAME = "&&";

    public AndAndOperator() {

        super(Function.GROUP_OGC, NAME);

    }

    @Override

    public boolean allowConstantFolding() {

        return true;

    }

    @Override

    public Object call(Interpreter interpreter, Object op1, Object op2) {       

        if( op1 instanceof Geometry && op2 instanceof Geometry ) {

            boolean value = GeometryUtils.intersects((Geometry)op1,(Geometry) op2);

            return value;

        }

        throw new IllegalArgumentException("Types not allowed in '"+name()+"' operand.");

    }

}