Manager.java

/**
 *
 * Copyright 2014 Florian Schmaus
 *
 * 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.jivesoftware.smack;

import java.lang.ref.WeakReference;

import org.jivesoftware.smack.util.Objects;

public abstract class Manager {

    final WeakReference<XMPPConnection> weakConnection;

    public Manager(XMPPConnection connection) {
        Objects.requireNonNull(connection, "XMPPConnection must not be null");

        weakConnection = new WeakReference<XMPPConnection>(connection);
    }

    protected final XMPPConnection connection() {
        return weakConnection.get();
    }
}