org.jasig.services.persondir.support
Class MergingPersonAttributeDaoImpl

java.lang.Object
  org.jasig.services.persondir.support.AbstractDefaultAttributePersonAttributeDao
      org.jasig.services.persondir.support.AbstractAggregatingDefaultQueryPersonAttributeDao
          org.jasig.services.persondir.support.MergingPersonAttributeDaoImpl

All Implemented Interfaces:

IPersonAttributeDao

public class MergingPersonAttributeDaoImpl
extends AbstractAggregatingDefaultQueryPersonAttributeDao

A IPersonAttributeDao implementation which iterates over children IPersonAttributeDaos queries each with the same data and merges their reported attributes in a configurable way. The default merger is MultivaluedAttributeMerger.

Since:

uPortal 2.5

Version:

$Revision: 2871 $ $Date: 2006-12-08 13:41:33 -0600 (Fri, 08 Dec 2006) $

Author:

andrew.petro@yale.edu, Eric Dalquist edalquist@unicon.net

Field Summary

Fields inherited from class org.jasig.services.persondir.support.AbstractAggregatingDefaultQueryPersonAttributeDao

attrMerger, personAttributeDaos, recoverExceptions

Fields inherited from class org.jasig.services.persondir.support.AbstractDefaultAttributePersonAttributeDao

logger

Constructor Summary

MergingPersonAttributeDaoImpl()

Method Summary

protected Map

getAttributesFromDao(Map seed, boolean isFirstQuery, IPersonAttributeDao currentlyConsidering, Map resultAttributes) Calls the current IPersonAttributeDao from using the seed.

Methods inherited from class org.jasig.services.persondir.support.AbstractAggregatingDefaultQueryPersonAttributeDao

getMerger, getPersonAttributeDaos, getPossibleUserAttributeNames, getUserAttributes, isRecoverExceptions, setMerger, setPersonAttributeDaos, setRecoverExceptions

Methods inherited from class org.jasig.services.persondir.support.AbstractDefaultAttributePersonAttributeDao

getDefaultAttributeName, getUserAttributes, setDefaultAttributeName

Methods inherited from class java.lang.Object

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

Constructor Detail

MergingPersonAttributeDaoImpl

public MergingPersonAttributeDaoImpl()

Method Detail

getAttributesFromDao

protected Map getAttributesFromDao(Map seed,
                                   boolean isFirstQuery,
                                   IPersonAttributeDao currentlyConsidering,
                                   Map resultAttributes)

Calls the current IPersonAttributeDao from using the seed.

Specified by:

getAttributesFromDao in class AbstractAggregatingDefaultQueryPersonAttributeDao

Parameters:

seed - The seed for the original query.

isFirstQuery - If this is the first query, this will stay true until a call to this method returns (does not throw an exception).

currentlyConsidering - The IPersonAttributeDao to execute the query on.

resultAttributes - The Map of results from all previous queries, may be null.

Returns:

The results from the call to the DAO, follows the same rules as IPersonAttributeDao.getUserAttributes(Map).

See Also:

org.jasig.portal.services.persondir.support.AbstractAggregatingDefaultQueryPersonAttributeDao#getAttributesFromDao(java.util.Map, boolean, org.jasig.portal.services.persondir.IPersonAttributeDao, java.util.Map)