opendaylight/commons/protocol-framework/src/main/java/org/opendaylight/protocol/framework/NeverReconnectStrategy.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.protocol.framework;
   9
  10 import io.netty.util.concurrent.EventExecutor;
  11 import io.netty.util.concurrent.Future;
  12
  13 import javax.annotation.concurrent.ThreadSafe;
  14
  15 import com.google.common.base.Preconditions;
  16
  17 /**
  18  * Utility ReconnectStrategy singleton, which will cause the reconnect process
  19  * to always fail.
  20  */
  21 @ThreadSafe
  22 public final class NeverReconnectStrategy implements ReconnectStrategy {
  23     private final EventExecutor executor;
  24     private final int timeout;
  25
  26     public NeverReconnectStrategy(final EventExecutor executor, final int timeout) {
  27         Preconditions.checkArgument(timeout >= 0);
  28         this.executor = Preconditions.checkNotNull(executor);
  29         this.timeout = timeout;
  30     }
  31
  32     @Override
  33     public Future<Void> scheduleReconnect(final Throwable cause) {
  34         return executor.newFailedFuture(new Throwable());
  35     }
  36
  37     @Override
  38     public void reconnectSuccessful() {
  39         // Nothing to do
  40     }
  41
  42     @Override
  43     public int getConnectTimeout() {
  44         return timeout;
  45     }
  46 }