org.gvsig.expressionevaluator.impl.function.operator

Class AbstractBinaryOperator

java.lang.Object

org.gvsig.expressionevaluator.spi.AbstractFunction

org.gvsig.expressionevaluator.impl.function.operator.AbstractBinaryOperator

All Implemented Interfaces:

Function, BinaryOperator

Direct Known Subclasses:

AddOperator, AndOperator, DivOperator, EqOperator, GeOperator, GtOperator, IlikeOperator, LeOperator, LikeOperator, LtOperator, ModOperator, MulOperator, NeOperator, OrOperator, RegExpOperator, SubstOperator

public abstract class AbstractBinaryOperator
extends AbstractFunction
implements BinaryOperator

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	TYPE_BOOLEAN
protected static int	TYPE_DATE
protected static int	TYPE_DOUBLE
protected static int	TYPE_FLOAT
protected static int	TYPE_INT
protected static int	TYPE_LONG
protected static int	TYPE_STRING

Fields inherited from interface org.gvsig.expressionevaluator.Function

GROUP_BOOLEAN, GROUP_DATETIME, GROUP_NUMERIC, GROUP_OGC, GROUP_STRING

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractBinaryOperator(String group, String name)
protected	AbstractBinaryOperator(String group, String name, String description)

Method Summary

Modifier and Type	Method and Description
Object	call(Interpreter interpreter, Object[] args)
protected int	getType(Object op1, Object op2)
boolean	isOperator()

Methods inherited from class org.gvsig.expressionevaluator.spi.AbstractFunction

addAlias, alias, argc, description, descriptionArgs, getDouble, getGeom, getInt, getLong, getPoint, getStr, group, name, template

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.gvsig.expressionevaluator.impl.function.operator.BinaryOperator

call

Methods inherited from interface org.gvsig.expressionevaluator.Function

addAlias, alias, argc, description, descriptionArgs, group, name, template

Field Detail

TYPE_INT

protected static final int TYPE_INT

See Also:

Constant Field Values

TYPE_LONG

protected static final int TYPE_LONG

See Also:

Constant Field Values

TYPE_FLOAT

protected static final int TYPE_FLOAT

See Also:

Constant Field Values

TYPE_DOUBLE

protected static final int TYPE_DOUBLE

See Also:

Constant Field Values

TYPE_BOOLEAN

protected static final int TYPE_BOOLEAN

See Also:

Constant Field Values

TYPE_STRING

protected static final int TYPE_STRING

See Also:

Constant Field Values

TYPE_DATE

protected static final int TYPE_DATE

See Also:

Constant Field Values

Constructor Detail

AbstractBinaryOperator

protected AbstractBinaryOperator(String group,
                                 String name,
                                 String description)

AbstractBinaryOperator

protected AbstractBinaryOperator(String group,
                                 String name)

Method Detail

call

public Object call(Interpreter interpreter,
                   Object[] args)

Specified by:

call in interface Function

isOperator

public boolean isOperator()

Specified by:

isOperator in interface Function

Overrides:

isOperator in class AbstractFunction

getType

protected int getType(Object op1,
                      Object op2)