opendaylight/md-sal/cds-access-api/src/main/java/org/opendaylight/controller/cluster/access/commands/ExistsTransactionSuccess.java

   1 /*
   2  * Copyright (c) 2016 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.access.commands;
   9
  10 import com.google.common.base.MoreObjects.ToStringHelper;
  11 import java.io.IOException;
  12 import java.io.ObjectInput;
  13 import java.io.ObjectOutput;
  14 import org.opendaylight.controller.cluster.access.ABIVersion;
  15 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
  16
  17 /**
  18  * Successful reply to an {@link ExistsTransactionRequest}. It indicates presence of requested data via
  19  * {@link #getExists()}.
  20  */
  21 public final class ExistsTransactionSuccess extends TransactionSuccess<ExistsTransactionSuccess> {
  22     interface SerialForm extends TransactionSuccess.SerialForm<ExistsTransactionSuccess> {
  23         @Override
  24         default ExistsTransactionSuccess readExternal(final ObjectInput in, final TransactionIdentifier target,
  25                 final long sequence) throws IOException {
  26             return new ExistsTransactionSuccess(target, sequence, in.readBoolean());
  27         }
  28
  29         @Override
  30         default void writeExternal(final ObjectOutput out, final ExistsTransactionSuccess msg) throws IOException {
  31             out.writeBoolean(msg.getExists());
  32         }
  33     }
  34
  35     @java.io.Serial
  36     private static final long serialVersionUID = 1L;
  37
  38     private final boolean exists;
  39
  40     private ExistsTransactionSuccess(final ExistsTransactionSuccess success, final ABIVersion version) {
  41         super(success, version);
  42         exists = success.exists;
  43     }
  44
  45     public ExistsTransactionSuccess(final TransactionIdentifier target, final long sequence, final boolean exists) {
  46         super(target, sequence);
  47         this.exists = exists;
  48     }
  49
  50     public boolean getExists() {
  51         return exists;
  52     }
  53
  54     @Override
  55     protected SerialForm externalizableProxy(final ABIVersion version) {
  56         return ABIVersion.MAGNESIUM.lt(version) ? new ETS(this) : new ExistsTransactionSuccessProxyV1(this);
  57     }
  58
  59     @Override
  60     protected ExistsTransactionSuccess cloneAsVersion(final ABIVersion version) {
  61         return new ExistsTransactionSuccess(this, version);
  62     }
  63
  64     @Override
  65     protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
  66         return super.addToStringAttributes(toStringHelper).add("exists", exists);
  67     }
  68 }