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 / AbstractBinaryOperator.java @ 44207
History | View | Annotate | Download (2.44 KB)
| 1 |
package org.gvsig.expressionevaluator.impl.function.operator; |
|---|---|
| 2 |
|
| 3 |
import java.util.Date; |
| 4 |
import org.apache.commons.lang3.Range; |
| 5 |
import org.gvsig.expressionevaluator.Interpreter; |
| 6 |
import org.gvsig.expressionevaluator.spi.AbstractFunction; |
| 7 |
|
| 8 |
|
| 9 |
public abstract class AbstractBinaryOperator extends AbstractFunction implements BinaryOperator { |
| 10 |
|
| 11 |
protected AbstractBinaryOperator(String group, String name, String description, boolean isSQLCompatible) { |
| 12 |
super(group, name, Range.is(2), description, " {{oper1}} " + name + " oper2 ", null, null, isSQLCompatible); |
| 13 |
} |
| 14 |
|
| 15 |
protected AbstractBinaryOperator(String group, String name, boolean isSQLCompatible) { |
| 16 |
this(group, name, null, isSQLCompatible); |
| 17 |
} |
| 18 |
|
| 19 |
@Override
|
| 20 |
public Object call(Interpreter interpreter, Object[] args) { |
| 21 |
return call(interpreter, args[0], args[1]); |
| 22 |
|
| 23 |
} |
| 24 |
|
| 25 |
@Override
|
| 26 |
public boolean isOperator() { |
| 27 |
return true; |
| 28 |
} |
| 29 |
|
| 30 |
protected static final int TYPE_INT = 0b0000001; |
| 31 |
protected static final int TYPE_LONG = 0b0000010; |
| 32 |
protected static final int TYPE_FLOAT = 0b0000100; |
| 33 |
protected static final int TYPE_DOUBLE = 0b0001000; |
| 34 |
protected static final int TYPE_BOOLEAN = 0b0010000; |
| 35 |
protected static final int TYPE_STRING = 0b0100000; |
| 36 |
protected static final int TYPE_DATE = 0b1000000; |
| 37 |
|
| 38 |
protected int getType(Object op1, Object op2) { |
| 39 |
int r = 0; |
| 40 |
if( op1 instanceof Double ) { |
| 41 |
r |= TYPE_DOUBLE; |
| 42 |
} else if( op1 instanceof Float ) { |
| 43 |
r |= TYPE_FLOAT; |
| 44 |
} else if( op1 instanceof Long ) { |
| 45 |
r |= TYPE_LONG; |
| 46 |
} else if( op1 instanceof Integer ) { |
| 47 |
r |= TYPE_INT; |
| 48 |
} else if( op1 instanceof Boolean ) { |
| 49 |
r |= TYPE_BOOLEAN; |
| 50 |
} else if( op1 instanceof String ) { |
| 51 |
r |= TYPE_STRING; |
| 52 |
} else if( op1 instanceof Date ) { |
| 53 |
r |= TYPE_DATE; |
| 54 |
} |
| 55 |
if( op2 instanceof Double ) { |
| 56 |
r |= TYPE_DOUBLE; |
| 57 |
} else if( op2 instanceof Float ) { |
| 58 |
r |= TYPE_FLOAT; |
| 59 |
} else if( op2 instanceof Long ) { |
| 60 |
r |= TYPE_LONG; |
| 61 |
} else if( op2 instanceof Integer ) { |
| 62 |
r |= TYPE_INT; |
| 63 |
} else if( op2 instanceof Boolean ) { |
| 64 |
r |= TYPE_BOOLEAN; |
| 65 |
} else if( op2 instanceof String ) { |
| 66 |
r |= TYPE_STRING; |
| 67 |
} else if( op2 instanceof Date ) { |
| 68 |
r |= TYPE_DATE; |
| 69 |
} |
| 70 |
return r;
|
| 71 |
} |
| 72 |
|
| 73 |
} |