com.linkedin.restli.examples.groups.server.impl.HashMapGroupMgr Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of restli-int-test-server Show documentation

Pegasus is a framework for building robust, scalable service architectures using dynamic discovery and simple asychronous type-checked REST + JSON APIs.

There is a newer version: 27.7.18

Show newest version

/*
   Copyright (c) 2012 LinkedIn Corp.

   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.
*/

/**
 * $Id: $
 */

package com.linkedin.restli.examples.groups.server.impl;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;

import com.linkedin.restli.examples.groups.api.Group;
import com.linkedin.restli.examples.groups.api.GroupContact;
import com.linkedin.restli.examples.groups.api.GroupMembership;
import com.linkedin.restli.examples.groups.server.api.GroupMembershipMgr;
import com.linkedin.restli.examples.groups.server.api.GroupMgr;

/**
 * @author Josh Walker
 * @version $Revision: $
 */

public class HashMapGroupMgr implements GroupMgr
{
  private final Map _data;
  private final AtomicInteger _sequence;
  private final GroupMembershipMgr _membershipMgr;

  public HashMapGroupMgr(GroupMembershipMgr membershipMgr)
  {
    _data = new HashMap();
    _sequence = new AtomicInteger();
    _membershipMgr = membershipMgr;
  }

  @Override
  public Map batchGet(Set ids)
  {
    Map result = new HashMap();
    for (Integer id : ids)
    {
      Group g = _data.get(id);
      if (g != null)
      {
        result.put(id, g);
      }
    }
    return result;
  }

  @Override
  public Group create(Group group)
  {
    Integer id = _sequence.incrementAndGet();
    group.setId(id);
    _data.put(id, group);

    GroupMembership m = group.getOwner();
    m.setGroupID(id);
    _membershipMgr.save(m);

    return group;
  }

  @Override
  public boolean update(Integer groupID, Group group)
  {
    return _data.put(groupID, group) != null;
  }

  @Override
  public boolean delete(Integer groupID)
  {
    return _data.remove(groupID) != null;
  }

  @Override
  public Map getGroupContacts(Set ids)
  {
    return Collections.emptyMap();
  }

  @Override
  public List findByEmailDomain(String emailDomain, int start, int count)
  {
    List result = new ArrayList();

    int idx = 0;
    for (Group g : _data.values())
    {
      if (g.getPreApprovedEmailDomains().contains(emailDomain))
      {
        if (idx > start && idx < start + count)
        {
          result.add(g);
        }
        ++idx;
      }
    }
    return result;
  }

  @Override
  public List findByManager(int managerMemberID, int start, int count)
  {
    return Collections.emptyList();
  }

  @Override
  public List search(String keywords, String nameKeywords, Integer groupID, int start,
                            int count)
  {
    List result = new ArrayList();

    int idx = 0;
    for (Group g : _data.values())
    {
      if (g.getDescription().contains(keywords) && g.getName().contains(nameKeywords) &&
              (groupID == null || g.getId().equals(groupID)))
      {
        if (idx > start && idx < start + count)
        {
          result.add(g);
        }
        ++idx;
      }
    }
    return result;
  }
}