org.apache.qpid.filter

Class BinaryExpression<T>

java.lang.Object

org.apache.qpid.filter.BinaryExpression<T>

All Implemented Interfaces:

Expression<T>

Direct Known Subclasses:

ArithmeticExpression, ComparisonExpression, LogicExpression

public abstract class BinaryExpression<T>
extends Object
implements Expression<T>

An expression which performs an operation on two expression values.

Constructor Summary

Constructors

Constructor and Description
BinaryExpression(Expression<T> left, Expression<T> 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<T>	getLeft()
Expression<T>	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<T> left,
                Expression<T> right)

Method Detail

getLeft

public Expression<T> getLeft()

getRight

public Expression<T> 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