/*
* Copyright (c) 2009 Lockheed Martin Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.eurekastreams.server.service.actions.strategies;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.eurekastreams.server.domain.Person;
/**
* Combines results from multiple sources.
*/
public class MultiSourcePersonLookup implements PersonLookupStrategy
{
/**
* Primary source to use.
*/
PersonLookupStrategy primary;
/**
* Secondary source to use.
*/
PersonLookupStrategy secondary;
/**
* Constructor.
*
* @param inPrimary
* primary source.
* @param inSecondary
* secondary source.
*/
public MultiSourcePersonLookup(final PersonLookupStrategy inPrimary, final PersonLookupStrategy inSecondary)
{
primary = inPrimary;
secondary = inSecondary;
}
/**
* Gets a list of people.
*
* @param searchString
* the string to search for.
*
* @param searchLimit
* limit the number of results.
* @return a list of people.
*/
public List<Person> findPeople(final String searchString, final int searchLimit)
{
List<Person> primaryList = primary.findPeople(searchString, searchLimit);
List<Person> secondaryList = secondary.findPeople(searchString, searchLimit);
HashMap<String, Person> personMap = new HashMap<String, Person>();
if (null != primaryList)
{
for (Person p : primaryList)
{
personMap.put(p.getAccountId(), p);
}
}
if (null != secondaryList)
{
for (Person p : secondaryList)
{
if (!(personMap.containsKey(p.getAccountId())))
{
personMap.put(p.getAccountId(), p);
}
}
}
List<Person> mergedList = new ArrayList<Person>();
mergedList.addAll(personMap.values());
return mergedList;
}
}