SingletonSubscriptionManagerContainer.java

/**
 * 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.cxf.ws.eventing.base;

import org.apache.cxf.ws.eventing.backend.manager.SubscriptionManager;
import org.apache.cxf.ws.eventing.backend.manager.SubscriptionManagerImpl;

public final class SingletonSubscriptionManagerContainer {

    private static SubscriptionManager instance;

    private SingletonSubscriptionManagerContainer() {
        // utility class should not have a public constructor
    }

    public static synchronized SubscriptionManager getInstance() {
        if (instance == null) {
            instance = new SubscriptionManagerImpl(SimpleEventingIntegrationTest.URL_SUBSCRIPTION_MANAGER);
        }
        return instance;
    }

    public static synchronized void destroy() {
        instance = null;
    }

}