net.sourceforge.wurfl.lang.oneparam
Class IfOp<V,R>

java.lang.Object
  net.sourceforge.wurfl.lang.twoparam.TwoParamOp<V,Curry,R>
      net.sourceforge.wurfl.lang.oneparam.OneParamOp<V,R>
          net.sourceforge.wurfl.lang.oneparam.IfOp<V,R>

public final class IfOp<V,R>
extends OneParamOp<V,R>

Construct an "if" operation that will execute its "else" body if the supplied condition is false, and will otherwise execute its regular body.

Version:

$Id$

Nested Class Summary

Nested classes/interfaces inherited from class net.sourceforge.wurfl.lang.oneparam.OneParamOp

OneParamOp.Type

Field Summary

protected OneParamOp<V,R>	body
protected Condition	con
protected OneParamOp<V,R>	elseBody

Fields inherited from class net.sourceforge.wurfl.lang.twoparam.TwoParamOp

logger

Constructor Summary

IfOp(Condition<V> con, OneParamOp<V,R> body, OneParamOp<V,R> elseBody)
Construct an "if" operation that will execute its "else" body if the supplied condition is false, and will otherwise execute its regular body.

Method Summary

boolean	equals(Object o) Return true if the provided object equals this one.
R	execute(V str) Execute this object's "else" body if this object's condition evaluates to null; otherwise execute the main body.
String	getDescription()

Methods inherited from class net.sourceforge.wurfl.lang.oneparam.OneParamOp

execute

Methods inherited from class java.lang.Object

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

Field Detail

con

protected Condition con

body

protected OneParamOp<V,R> body

elseBody

protected OneParamOp<V,R> elseBody

Constructor Detail

IfOp

public IfOp(Condition<V> con,
            OneParamOp<V,R> body,
            OneParamOp<V,R> elseBody)

Construct an "if" operation that will execute its "else" body if the supplied condition is false, and will otherwise execute its regular body.

Parameters:

con - the condition to eval to determine which body to execute

body - the body to execute if the condition is true

elseBody - the body to execute if the condition is false

Method Detail

equals

public boolean equals(Object o)

Return true if the provided object equals this one. Equality is tested only between condition and body, not elseBody.

Overrides:

equals in class Object

Returns:

true if the provided object equals this one

execute

public R execute(V str)

Execute this object's "else" body if this object's condition evaluates to null; otherwise execute the main body.

Specified by:

execute in class OneParamOp<V,R>

getDescription

public String getDescription()