001/* 002 * (C) Copyright 2016 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Florent Guillaume 018 */ 019package org.nuxeo.ecm.core.api; 020 021import java.util.ArrayList; 022import java.util.List; 023import java.util.Map; 024import java.util.concurrent.ConcurrentHashMap; 025 026import org.nuxeo.ecm.core.api.local.LocalSession; 027import org.nuxeo.runtime.model.DefaultComponent; 028 029/** 030 * Implementation for the service managing the acquisition/release of {@link CoreSession} instances. 031 * 032 * @since 8.4 033 */ 034public class CoreSessionServiceImpl extends DefaultComponent implements CoreSessionService { 035 036 /** 037 * All open {@link CoreSessionRegistrationInfo}, keyed by session id. 038 */ 039 private final Map<String, CoreSessionRegistrationInfo> sessions = new ConcurrentHashMap<String, CoreSessionRegistrationInfo>(); 040 041 @Override 042 public CoreSession createCoreSession(String repositoryName, NuxeoPrincipal principal) { 043 LocalSession session = new LocalSession(repositoryName, principal); 044 sessions.put(session.getSessionId(), new CoreSessionRegistrationInfo(session)); 045 return session; 046 } 047 048 @Override 049 public void releaseCoreSession(CoreSession session) { 050 String sessionId = session.getSessionId(); 051 CoreSessionRegistrationInfo info = sessions.remove(sessionId); 052 if (info == null) { 053 throw new RuntimeException("Closing unknown CoreSession: " + sessionId, info); 054 } 055 session.destroy(); 056 } 057 058 @Override 059 public CoreSession getCoreSession(String sessionId) { 060 if (sessionId == null) { 061 throw new NullPointerException("null sessionId"); 062 } 063 CoreSessionRegistrationInfo info = sessions.get(sessionId); 064 return info == null ? null : info.getCoreSession(); 065 } 066 067 @Override 068 public int getNumberOfOpenCoreSessions() { 069 return sessions.size(); 070 } 071 072 @Override 073 public List<CoreSessionRegistrationInfo> getCoreSessionRegistrationInfos() { 074 return new ArrayList<>(sessions.values()); 075 } 076 077}