org.jasig.services.persondir.support
Class MergingPersonAttributeDaoImpl

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

All Implemented Interfaces:

org.jasig.services.persondir.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: 43106 $ $Date: 2008-02-14 11:22:40 -0600 (Thu, 14 Feb 2008) $

Author:

andrew.petro@yale.edu, Eric Dalquist

Field Summary

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

attrMerger, personAttributeDaos, recoverExceptions

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

logger

Constructor Summary

MergingPersonAttributeDaoImpl()

Method Summary

protected Map<String,List<Object>>

getAttributesFromDao(Map<String,List<Object>> seed, boolean isFirstQuery, org.jasig.services.persondir.IPersonAttributeDao currentlyConsidering, Map<String,List<Object>> resultAttributes) Calls the current IPersonAttributeDao from using the seed.

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

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

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

getDefaultAttributeName, getMultivaluedUserAttributes, setDefaultAttributeName

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

flattenResults, getUserAttributes, getUserAttributes

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<String,List<Object>> getAttributesFromDao(Map<String,List<Object>> seed,
                                                        boolean isFirstQuery,
                                                        org.jasig.services.persondir.IPersonAttributeDao currentlyConsidering,
                                                        Map<String,List<Object>> 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:

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