Package io.atlasmap.expression.internal

Class BinaryExpression

java.lang.Object

io.atlasmap.expression.internal.BinaryExpression

All Implemented Interfaces:

Expression

Direct Known Subclasses:

ArithmeticExpression, ComparisonExpression, LogicExpression

public abstract class BinaryExpression
extends Object
implements Expression

An expression which performs an operation on two expression values.

Version:

$Revision: 1.2 $

Field Summary

Fields

Modifier and Type	Field	Description
protected Expression	left	left expression
protected Expression	right	right expression

Fields inherited from interface io.atlasmap.expression.Expression

CACHE

Constructor Summary

Constructors

Constructor	Description
BinaryExpression(Expression left, Expression right)	A constructor.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
abstract String	getExpressionSymbol()	Returns the symbol that represents this binary expression.
Expression	getLeft()	Gets left expression.
Expression	getRight()	Gets right expression.
int	hashCode()	TODO: more efficient hashCode()
void	setLeft(Expression expression)	Sets left expression.
void	setRight(Expression expression)	Sets right expression.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.atlasmap.expression.Expression

evaluate

Field Detail

left

protected Expression left

left expression

right

protected Expression right

right expression

Constructor Detail

BinaryExpression

public BinaryExpression(Expression left,
                        Expression right)

A constructor.

Parameters:

left - left

right - right

Method Detail

getLeft

public Expression getLeft()

Gets left expression.

Returns:

left

getRight

public Expression getRight()

Gets right expression.

Returns:

right

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

TODO: more efficient hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

getExpressionSymbol

public abstract String getExpressionSymbol()

Returns the symbol that represents this binary expression. For example, addition is represented by "+"

Returns:

expression symbol string

setRight

public void setRight(Expression expression)

Sets right expression.

Parameters:

expression - right Expression

setLeft

public void setLeft(Expression expression)

Sets left expression.

Parameters:

expression - left Expression