java/cluster/src/org/apache/qpid/server/cluster/ConnectionStatusMonitor.java


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/*
 *
 * Copyright (c) 2006 The Apache Software Foundation
 *
 * 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.apache.qpid.server.cluster;

import java.io.IOException;

class ConnectionStatusMonitor
{
    private boolean _complete;
    private boolean _redirected;
    private String _host;
    private int _port;
    private RuntimeException _error;

    synchronized void opened()
    {
        _complete = true;
        notifyAll();
    }

    synchronized void redirect(String host, int port)
    {
        _complete = true;
        _redirected = true;
        this._host = host;
        this._port = port;
    }

    synchronized void failed(RuntimeException e)
    {
        _error = e;
        _complete = true;
    }

    synchronized boolean waitUntilOpen() throws InterruptedException
    {
        while (!_complete)
        {
            wait();
        }
        if (_error != null)
        {
            throw _error;
        }
        return !_redirected;
    }

    synchronized boolean isOpened()
    {
        return _complete;
    }

    String getHost()
    {
        return _host;
    }

    int getPort()
    {
        return _port;
    }
}