svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.lib / org.gvsig.expressionevaluator.lib.impl / src / main / java / org / gvsig / expressionevaluator / impl / function / spatial / STPointFunction.java @ 44431
History | View | Annotate | Download (893 Bytes)
1 |
package org.gvsig.expressionevaluator.impl.function.spatial; |
---|---|
2 |
|
3 |
import org.apache.commons.lang3.Range; |
4 |
import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_ST_POINT; |
5 |
import org.gvsig.expressionevaluator.Interpreter; |
6 |
import org.gvsig.expressionevaluator.spi.AbstractFunction; |
7 |
import org.gvsig.fmap.geom.GeometryUtils; |
8 |
import org.gvsig.fmap.geom.primitive.Point; |
9 |
|
10 |
public class STPointFunction extends AbstractFunction { |
11 |
|
12 |
public STPointFunction() {
|
13 |
super("OGC", FUNCTION_ST_POINT, Range.is(2)); |
14 |
} |
15 |
|
16 |
@Override
|
17 |
public boolean allowConstantFolding() { |
18 |
return true; |
19 |
} |
20 |
|
21 |
@Override
|
22 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
23 |
double x = this.getDouble(args, 0); |
24 |
double y = this.getDouble(args, 1); |
25 |
Point geom = GeometryUtils.createPoint(x, y);
|
26 |
return geom;
|
27 |
} |
28 |
|
29 |
} |