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 / operator / EqOperator.java @ 43521
History | View | Annotate | Download (1.19 KB)
1 |
package org.gvsig.expressionevaluator.impl.function.operator; |
---|---|
2 |
|
3 |
import org.apache.commons.lang3.ObjectUtils; |
4 |
import org.apache.commons.math.util.MathUtils; |
5 |
import org.gvsig.expressionevaluator.Function; |
6 |
import org.gvsig.expressionevaluator.Interpreter; |
7 |
|
8 |
public class EqOperator extends AbstractBinaryOperator { |
9 |
|
10 |
public EqOperator() {
|
11 |
super(Function.GROUP_BOOLEAN, "="); |
12 |
} |
13 |
|
14 |
@Override
|
15 |
public Object call(Interpreter interpreter, Object op1, Object op2) { |
16 |
Double accuracy = interpreter.getAccuracy();
|
17 |
if( accuracy!=null ) { |
18 |
if( op1!=null && op2!= null && ( |
19 |
op1 instanceof Double || op2 instanceof Double || |
20 |
op1 instanceof Float || op2 instanceof Float) ) { |
21 |
boolean value = MathUtils.compareTo(((Number)op1).doubleValue(), ((Number)op2).doubleValue(), accuracy) == 0; |
22 |
return value;
|
23 |
} |
24 |
} |
25 |
if( op2 instanceof Comparable && op2 instanceof Comparable ) { |
26 |
boolean value = ObjectUtils.compare((Comparable)op1,(Comparable)op2) == 0; |
27 |
return value;
|
28 |
} |
29 |
throw new IllegalArgumentException("Types not allowed in '" + name() + "' operand."); |
30 |
} |
31 |
|
32 |
} |