2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.controller.cluster.datastore;
10 import com.google.common.base.Preconditions;
11 import com.google.common.io.ByteArrayDataOutput;
12 import com.google.common.io.ByteStreams;
13 import java.io.Externalizable;
14 import java.io.IOException;
15 import java.io.ObjectInput;
16 import java.io.ObjectOutput;
17 import java.util.AbstractMap.SimpleImmutableEntry;
18 import java.util.Map.Entry;
19 import java.util.Optional;
20 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
21 import org.opendaylight.controller.cluster.datastore.persisted.DataTreeCandidateInputOutput;
22 import org.opendaylight.controller.cluster.datastore.persisted.DataTreeCandidateSupplier;
23 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
24 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
27 * @deprecated Deprecated in Boron in favor of CommitTransactionPayload
30 final class DataTreeCandidatePayload extends Payload implements DataTreeCandidateSupplier, Externalizable {
31 private static final long serialVersionUID = 1L;
33 private transient byte[] serialized;
35 public DataTreeCandidatePayload() {
36 // Required by Externalizable
39 private DataTreeCandidatePayload(final byte[] serialized) {
40 this.serialized = Preconditions.checkNotNull(serialized);
44 * @deprecated Use CommitTransactionPayload instead
47 static DataTreeCandidatePayload create(final DataTreeCandidate candidate) {
48 final ByteArrayDataOutput out = ByteStreams.newDataOutput();
50 DataTreeCandidateInputOutput.writeDataTreeCandidate(out, candidate);
51 } catch (IOException e) {
52 throw new IllegalArgumentException(String.format("Failed to serialize candidate %s", candidate), e);
55 return new DataTreeCandidatePayload(out.toByteArray());
60 public Entry<Optional<TransactionIdentifier>, DataTreeCandidate> getCandidate() throws IOException {
61 return new SimpleImmutableEntry<>(Optional.empty(),
62 DataTreeCandidateInputOutput.readDataTreeCandidate(ByteStreams.newDataInput(serialized)));
67 return serialized.length;
71 public void writeExternal(final ObjectOutput out) throws IOException {
72 out.writeByte((byte)serialVersionUID);
73 out.writeInt(serialized.length);
74 out.write(serialized);
78 public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
79 final long version = in.readByte();
80 Preconditions.checkArgument(version == serialVersionUID, "Unsupported serialization version %s", version);
82 final int length = in.readInt();
83 serialized = new byte[length];
84 in.readFully(serialized);