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 / typeconversion / ToLongFunction.java @ 46104
History | View | Annotate | Download (1.02 KB)
1 |
package org.gvsig.expressionevaluator.impl.function.typeconversion; |
---|---|
2 |
|
3 |
import org.apache.commons.lang3.Range; |
4 |
import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_TOLONG; |
5 |
import static org.gvsig.expressionevaluator.Function.GROUP_CONVERSION; |
6 |
import org.gvsig.expressionevaluator.Interpreter; |
7 |
import org.gvsig.expressionevaluator.spi.AbstractFunction; |
8 |
import org.gvsig.tools.ToolsLocator; |
9 |
import org.gvsig.tools.dataTypes.DataTypes; |
10 |
import org.gvsig.tools.dataTypes.Coercion; |
11 |
|
12 |
public class ToLongFunction extends AbstractFunction { |
13 |
|
14 |
public ToLongFunction() {
|
15 |
super(GROUP_CONVERSION, FUNCTION_TOLONG, Range.is(1), null, null, null, "Long", true); |
16 |
} |
17 |
|
18 |
@Override
|
19 |
public boolean allowConstantFolding() { |
20 |
return true; |
21 |
} |
22 |
|
23 |
@Override
|
24 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
25 |
Coercion toStr = ToolsLocator.getDataTypesManager().getCoercion(DataTypes.LONG); |
26 |
Object value = toStr.coerce(this.getObject(args, 0)); |
27 |
return value;
|
28 |
} |
29 |
|
30 |
} |