openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/ForwardingPingPongDataBroker.java

   1 /*
   2  * Copyright (c) 2018 Red Hat, 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.openflowplugin.impl;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import org.eclipse.jdt.annotation.NonNull;
  13 import org.opendaylight.mdsal.binding.api.DataBroker;
  14 import org.opendaylight.mdsal.binding.api.TransactionChain;
  15 import org.opendaylight.mdsal.binding.spi.ForwardingDataBroker;
  16
  17 /**
  18  * Delegating {@link PingPongDataBroker} implementation.
  19  * This is useful for simple strongly typed dependency injection.
  20  *
  21  * @author Michael Vorburger.ch
  22  */
  23 // FIXME: this should not be necessary
  24 public class ForwardingPingPongDataBroker extends ForwardingDataBroker implements PingPongDataBroker {
  25     private final @NonNull DataBroker delegate;
  26
  27     public ForwardingPingPongDataBroker(final DataBroker delegate) {
  28         this.delegate = requireNonNull(delegate);
  29     }
  30
  31     @Override
  32     protected DataBroker delegate() {
  33         return delegate;
  34     }
  35
  36     @Override
  37     public TransactionChain createTransactionChain() {
  38         return delegate().createMergingTransactionChain();
  39     }
  40 }