org.apache.qpid.filter

Class BinaryExpression

java.lang.Object

org.apache.qpid.filter.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.

Constructor Summary

Constructors

Constructor and Description
BinaryExpression(Expression left, Expression right)

Method Summary

Methods

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.qpid.filter.Expression

evaluate

Constructor Detail

BinaryExpression

public BinaryExpression(Expression left,
                Expression right)

Method Detail

getLeft

public Expression getLeft()

getRight

public Expression getRight()

toString

public String toString()

Overrides:

toString in class Object

See Also:

Object.toString()

hashCode

public int hashCode()

TODO: more efficient hashCode()

Overrides:

hashCode in class Object

See Also:

Object.hashCode()

equals

public boolean equals(Object o)

TODO: more efficient hashCode()

Overrides:

equals in class Object

See Also:

Object.equals(java.lang.Object)

getExpressionSymbol

public abstract String getExpressionSymbol()

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

Returns:

the expression symbol