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org.mentawai.filter
Class TransactionFilter  

java.lang.Object
  org.mentawai.filter.TransactionFilter

All Implemented Interfaces:

org.mentawai.core.Filter

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public class TransactionFilter

extends java.lang.Object

implements org.mentawai.core.Filter

Use this filter to put your action inside a transaction. You action will be commited or rolledback depending on its result. The default is to commit if and only if your action returns SUCCESS. However you can pass your own results to define a commit.

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Field Summary
private  java.util.List	results
private  java.lang.String	transaction_key
private static java.lang.String	TRANSACTION_KEY

 

Constructor Summary

TransactionFilter()

TransactionFilter(java.lang.String transaction_key)

TransactionFilter(java.lang.String[] results)

TransactionFilter(java.lang.String transaction_key, java.lang.String[] results)

 

Method Summary
void	destroy()           Gives a chance to the filter to deallocalte any resources before it is destroyed.
java.lang.String	filter(org.mentawai.core.InvocationChain chain)           Executes the filter.
java.util.List	getResultsForCommit()

 

Methods inherited from class java.lang.Object

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

 

Field Detail

TRANSACTION_KEY

private static final java.lang.String TRANSACTION_KEY

See Also:

Constant Field Values

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transaction_key

private java.lang.String transaction_key

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results

private java.util.List results

Constructor Detail

TransactionFilter

public TransactionFilter()

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TransactionFilter

public TransactionFilter(java.lang.String transaction_key)

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TransactionFilter

public TransactionFilter(java.lang.String[] results)

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TransactionFilter

public TransactionFilter(java.lang.String transaction_key,
                         java.lang.String[] results)

Method Detail

filter

public java.lang.String filter(org.mentawai.core.InvocationChain chain)
                        throws java.lang.Exception

Description copied from interface: org.mentawai.core.Filter

Executes the filter.

Specified by:

filter in interface org.mentawai.core.Filter

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getResultsForCommit

public java.util.List getResultsForCommit()

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destroy

public void destroy()

Description copied from interface: org.mentawai.core.Filter

Gives a chance to the filter to deallocalte any resources before it is destroyed. This is called when the web application is stopped, in other words, this has nothing to do with garbage collection.

Specified by:

destroy in interface org.mentawai.core.Filter

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