Java Doc for SessionAttributeOutputModule.java in  » Content-Management-System » apache-lenya-2.0 » org » apache » cocoon » components » modules » output » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Content Management System » apache lenya 2.0 » org.apache.cocoon.components.modules.output 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.apache.cocoon.components.modules.output.AbstractOutputModule
   org.apache.cocoon.components.modules.output.SessionAttributeOutputModule

SessionAttributeOutputModule
public class SessionAttributeOutputModule extends AbstractOutputModule (Code)
Abstraction layer to encapsulate different output destinations. Configuration option <key-prefix> defaults to "org.apache.cocoon.components.modules.output.OutputModule"+":" Can be used with different isolation-level: default is "0" being no isolation at all, values are immediately visible but are removed on a rollback; "1" keeps the values at a save place until either rollback or commit is called. Then values are either discarded or copied to the final destination.
author:
   Christian Haul
version:
   CVS $Id: SessionAttributeOutputModule.java 433543 2006-08-22 06:22:54Z crossley $


Field Summary
final public  StringPREFIX
    
final public  StringROLLBACK_LIST
    
final public  StringTRANS_PREFIX
    


Method Summary
public  voidcommit(Configuration modeConf, Map objectModel)
     Signal that the database transaction completed successfully.
protected  StringgetName(String name)
    
public  voidrollback(Configuration modeConf, Map objectModel, Exception e)
     If a database transaction needs to rollback, this is called to inform the further processing logic about this fact.
public  voidsetAttribute(Configuration modeConf, Map objectModel, String name, Object value)
     communicate an attribute value to further processing logic.
Parameters:
  modeConf - column's mode configuration from resourcedescription.

Field Detail
PREFIX
final public String PREFIX(Code)



ROLLBACK_LIST
final public String ROLLBACK_LIST(Code)



TRANS_PREFIX
final public String TRANS_PREFIX(Code)





Method Detail
commit
public void commit(Configuration modeConf, Map objectModel)(Code)
Signal that the database transaction completed successfully. See notes on @link{rollback}.



getName
protected String getName(String name)(Code)



rollback
public void rollback(Configuration modeConf, Map objectModel, Exception e)(Code)
If a database transaction needs to rollback, this is called to inform the further processing logic about this fact. All already set attribute values are invalidated. This is difficult because only the request object can be used to synchronize this and build some kind of transaction object. Beaware that sending your data straight to some beans or other entities could result in data corruption!



setAttribute
public void setAttribute(Configuration modeConf, Map objectModel, String name, Object value)(Code)
communicate an attribute value to further processing logic.
Parameters:
  modeConf - column's mode configuration from resourcedescription. This argument is optional.
Parameters:
  objectModel - The objectModel
Parameters:
  name - The attribute's label, consisting of "table.column"or "table.column[index]" in case of multiple attributes of thesame spec.
Parameters:
  value - The attriute's value.



Fields inherited from org.apache.cocoon.components.modules.output.AbstractOutputModule
protected HashMap settings(Code)(Java Doc)

Methods inherited from org.apache.cocoon.components.modules.output.AbstractOutputModule
protected boolean attributeExists(Map objectModel, String trans_place, String name)(Code)(Java Doc)
public void configure(Configuration conf) throws ConfigurationException(Code)(Java Doc)
public void dispose()(Code)(Java Doc)
protected Map prepareCommit(Map objectModel, String trans_place)(Code)(Java Doc)
protected void rollback(Map objectModel, String trans_place)(Code)(Java Doc)
protected void transientSetAttribute(Map objectModel, String trans_place, String name, Object value)(Code)(Java Doc)

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