opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/ReadData.java

   1 /*
   2  * Copyright (c) 2014 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.controller.cluster.datastore.messages;
   9
  10 import com.google.common.base.Preconditions;
  11 import com.google.common.util.concurrent.FluentFuture;
  12 import com.google.common.util.concurrent.SettableFuture;
  13 import java.util.Optional;
  14 import org.opendaylight.mdsal.common.api.ReadFailedException;
  15 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
  16 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  17 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  18
  19 @Deprecated(since = "9.0.0", forRemoval = true)
  20 public class ReadData extends AbstractRead<Optional<NormalizedNode>> {
  21     private static final long serialVersionUID = 1L;
  22
  23     public ReadData() {
  24     }
  25
  26     public ReadData(final YangInstanceIdentifier path, final short version) {
  27         super(path, version);
  28     }
  29
  30     @Override
  31     public FluentFuture<Optional<NormalizedNode>> apply(final DOMStoreReadTransaction readDelegate) {
  32         return readDelegate.read(getPath());
  33     }
  34
  35     @Override
  36     public void processResponse(final Object readResponse,
  37             final SettableFuture<Optional<NormalizedNode>> returnFuture) {
  38         if (ReadDataReply.isSerializedType(readResponse)) {
  39             ReadDataReply reply = ReadDataReply.fromSerializable(readResponse);
  40             returnFuture.set(Optional.ofNullable(reply.getNormalizedNode()));
  41         } else {
  42             returnFuture.setException(new ReadFailedException("Invalid response reading data for path " + getPath()));
  43         }
  44     }
  45
  46     @Override
  47     protected AbstractRead<Optional<NormalizedNode>> newInstance(final short withVersion) {
  48         return new ReadData(getPath(), withVersion);
  49     }
  50
  51     public static ReadData fromSerializable(final Object serializable) {
  52         Preconditions.checkArgument(serializable instanceof ReadData);
  53         return (ReadData)serializable;
  54     }
  55
  56     public static boolean isSerializedType(final Object message) {
  57         return message instanceof ReadData;
  58     }
  59 }