org.xfp.filters.util
Class CheckAlreadyFiltered

java.lang.Object
  org.xfp.AttributeContainer
      org.xfp.Filter
          org.xfp.filters.util.CheckAlreadyFiltered

public class CheckAlreadyFiltered

extends Filter

Checks if input data has been filtered in the previous Pipeline execution. Input data is compared using the equals() method. If the input data has not been filtered then the input data is returned, otherwise null is returned causing all descendant filters to be skipped.

Version:

$Id: CheckAlreadyFiltered.java,v 1.1 2004/03/19 15:56:45 flaviotordini Exp $

Author:

Flavio Tordini

Nested Class Summary

Nested classes inherited from class org.xfp.Filter

Filter.OnErrorEnum, Filter.OnLoopErrorEnum

Field Summary

Fields inherited from class org.xfp.AttributeContainer

name, parentContainer

Constructor Summary

CheckAlreadyFiltered()

Method Summary

java.lang.Object	execute(java.lang.Object input) Executes this filter.
void	reset() Resets filter status after execution.

Methods inherited from class org.xfp.Filter

getOnError, initialize, log, newInstance, perform, toString

Methods inherited from class org.xfp.AttributeContainer

configureAttributes, disposeAttributes, getAttributes, getFullName, getName, initializeAttributes

Methods inherited from class java.lang.Object

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

Constructor Detail

CheckAlreadyFiltered

public CheckAlreadyFiltered()

Method Detail

execute

public java.lang.Object execute(java.lang.Object input)
                         throws java.lang.Exception

Executes this filter.

Throws:

java.lang.Exception

reset

public void reset()

Description copied from class: Filter

Resets filter status after execution. This method is called after execute(), even in case of exceptions. Since a Filter instance may be reused (and actually is), you must use this method to reset all your class members to their default value.

Specified by:

reset in class Filter

See Also:

Filter.reset()