Connection.java

/**
 * Copyright 2008 - 2015 The Loon Game Engine Authors
 * 
 * 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.
 * 
 * @project loon
 * @author cping
 * @email：javachenpeng@yahoo.com
 * @version 0.5
 */
package loon.utils.reply;

public abstract class Connection implements Closeable
{

    public static Connection join (final Connection... conns) {
        return new Connection() {
            @Override public void close () {
                for (Connection c : conns) {
                	c.close();
                }
            }
            @Override public Connection once () {
                for (Connection c : conns){
                	c.once();
                }
                return this;
            }
            @Override public Connection setPriority (int priority) {
                for (Connection c : conns){
                	c.setPriority(priority);
                }
                return this;
            }
            @Override public Connection holdWeakly () {
                for (Connection c : conns) {
                	c.holdWeakly();
                }
                return this;
            }
        };
    }

 
    public abstract void close ();

    public abstract Connection once ();

    public abstract Connection setPriority (int priority);

    public abstract Connection holdWeakly ();
}