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 / LtOperator.java @ 44855
History | View | Annotate | Download (1.99 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 static org.gvsig.expressionevaluator.ExpressionBuilder.OPERATOR_LT; |
6 |
import org.gvsig.expressionevaluator.Function; |
7 |
import org.gvsig.expressionevaluator.Interpreter; |
8 |
|
9 |
public class LtOperator extends AbstractBinaryOperator { |
10 |
|
11 |
public LtOperator() {
|
12 |
super(Function.GROUP_BOOLEAN, OPERATOR_LT, true); |
13 |
} |
14 |
|
15 |
@Override
|
16 |
public boolean allowConstantFolding() { |
17 |
return true; |
18 |
} |
19 |
|
20 |
@Override
|
21 |
public Object call(Interpreter interpreter, Object op1, Object op2) { |
22 |
int type = this.getType(op1, op2); |
23 |
if( (type & TYPE_DOUBLE) == TYPE_DOUBLE ) {
|
24 |
double accuracy = MathUtils.EPSILON;
|
25 |
if( interpreter.getAccuracy()!=null ) { |
26 |
accuracy = interpreter.getAccuracy(); |
27 |
} |
28 |
boolean value = MathUtils.compareTo(getDouble(op1, 1),getDouble(op2, 2),accuracy) < 0; |
29 |
return value;
|
30 |
} |
31 |
if( (type & TYPE_FLOAT) == TYPE_FLOAT ) {
|
32 |
double accuracy = MathUtils.EPSILON;
|
33 |
if( interpreter.getAccuracy()!=null ) { |
34 |
accuracy = interpreter.getAccuracy(); |
35 |
} |
36 |
boolean value = MathUtils.compareTo(getFloat(op1, 1),getFloat(op2, 2),accuracy) < 0; |
37 |
return value;
|
38 |
} |
39 |
if( (type & TYPE_LONG) == TYPE_LONG ) {
|
40 |
boolean value = Long.compare(getLong(op1, 1),getLong(op2, 2)) < 0; |
41 |
return value;
|
42 |
} |
43 |
if( (type & TYPE_INT) == TYPE_INT ) {
|
44 |
boolean value = Integer.compare(getInt(op1, 1),getInt(op2, 2)) < 0; |
45 |
return value;
|
46 |
} |
47 |
if( op2 instanceof Comparable && op2 instanceof Comparable ) { |
48 |
boolean value = getComparable(op1,1).compareTo(getComparable(op2,2)) < 0; |
49 |
return value;
|
50 |
} |
51 |
throw new IllegalArgumentException("Types not allowed in '"+name()+"' operand."); |
52 |
} |
53 |
|
54 |
|
55 |
} |