org.springframework.core.closure.support
Class Block

java.lang.Object
  org.springframework.core.closure.support.AlgorithmsAccessor
      org.springframework.core.closure.support.AbstractClosure
          org.springframework.core.closure.support.Block

All Implemented Interfaces:

Serializable, Closure

Direct Known Subclasses:

IfBlock

public abstract class Block
extends AbstractClosure

Convenient super class for closures that encapsulate a block of executable code. Subclasses should override void handle(Object) for executing a block of code without a result.

Author:

Keith Donald

See Also:

Serialized Form

Constructor Summary

Block()

Method Summary

Object	call(Object argument) Evaluate the function with the provided argument, returning the result.
protected abstract void	handle(Object argument) Method to override in block subclasses that return no result: this method is intended encapsulate the block's processing.

Methods inherited from class org.springframework.core.closure.support.AbstractClosure

forEach, forEach

Methods inherited from class org.springframework.core.closure.support.AlgorithmsAccessor

allTrue, allTrue, anyTrue, anyTrue, findAll, findAll, findFirst, findFirst, forEach, forEach, getAlgorithms

Methods inherited from class java.lang.Object

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

Constructor Detail

Block

public Block()

Method Detail

call

public final Object call(Object argument)

Evaluate the function with the provided argument, returning the result.

Parameters:

argument - the argument

Returns:

allways null, only code is executed.

handle

protected abstract void handle(Object argument)

Method to override in block subclasses that return no result: this method is intended encapsulate the block's processing.

Parameters:

argument - the argument to process