/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.cloudstack.context;

import javax.annotation.PostConstruct;
import javax.inject.Inject;

import org.apache.cloudstack.managed.context.ManagedContextListener;

import com.cloud.utils.db.EntityManager;

public class CallContextListener implements ManagedContextListener<Object> {

    @Inject
    EntityManager entityMgr;

    @Override
    public Object onEnterContext(boolean reentry) {
        if (!reentry && CallContext.current() == null) {
            CallContext.registerSystemCallContextOnceOnly();
        }
        return null;
    }

    @Override
    public void onLeaveContext(Object unused, boolean reentry) {
        if (!reentry) {
            CallContext.unregisterAll();
        }
    }

    @PostConstruct
    public void init() {
        CallContext.init(entityMgr);
    }
}