2 * Copyright (c) 2014 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.modification;
10 import static com.google.common.base.Preconditions.checkArgument;
11 import static java.util.Objects.requireNonNull;
13 import java.io.IOException;
14 import java.io.ObjectInput;
15 import java.io.ObjectOutput;
16 import java.util.ArrayList;
17 import java.util.Collections;
18 import java.util.List;
19 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
20 import org.opendaylight.controller.cluster.datastore.messages.VersionedExternalizableMessage;
21 import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction;
22 import org.opendaylight.yangtools.yang.data.api.schema.stream.ReusableStreamReceiver;
23 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
24 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataInput;
25 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataOutput;
26 import org.opendaylight.yangtools.yang.data.impl.schema.ReusableImmutableNormalizedNodeStreamWriter;
29 * MutableCompositeModification is just a mutable version of a CompositeModification.
31 public class MutableCompositeModification extends VersionedExternalizableMessage implements CompositeModification {
32 private static final long serialVersionUID = 1L;
34 private final List<Modification> modifications = new ArrayList<>();
35 private List<Modification> immutableModifications = null;
37 public MutableCompositeModification() {
38 this(DataStoreVersions.CURRENT_VERSION);
41 public MutableCompositeModification(final short version) {
46 public void apply(final DOMStoreWriteTransaction transaction) {
47 for (Modification modification : modifications) {
48 modification.apply(transaction);
53 public void apply(final DataTreeModification transaction) {
54 for (Modification modification : modifications) {
55 modification.apply(transaction);
60 public byte getType() {
65 * Add a new Modification to the list of Modifications represented by this composite.
67 * @param modification the modification to add.
69 public void addModification(final Modification modification) {
70 modifications.add(requireNonNull(modification));
73 public void addModifications(final Iterable<Modification> newMods) {
74 for (Modification mod : newMods) {
80 public List<Modification> getModifications() {
81 if (immutableModifications == null) {
82 immutableModifications = Collections.unmodifiableList(modifications);
85 return immutableModifications;
89 public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
90 super.readExternal(in);
92 int size = in.readInt();
94 final NormalizedNodeDataInput input = NormalizedNodeDataInput.newDataInputWithoutValidation(in);
95 final ReusableStreamReceiver receiver = ReusableImmutableNormalizedNodeStreamWriter.create();
97 for (int i = 0; i < size; i++) {
98 byte type = in.readByte();
100 case Modification.WRITE:
101 modifications.add(WriteModification.fromStream(input, getVersion(), receiver));
104 case Modification.MERGE:
105 modifications.add(MergeModification.fromStream(input, getVersion(), receiver));
108 case Modification.DELETE:
109 modifications.add(DeleteModification.fromStream(input, getVersion()));
119 public void writeExternal(final ObjectOutput out) throws IOException {
120 super.writeExternal(out);
122 final int size = modifications.size();
125 try (NormalizedNodeDataOutput stream = getStreamVersion().newDataOutput(out)) {
126 for (Modification mod : modifications) {
127 out.writeByte(mod.getType());
134 public static MutableCompositeModification fromSerializable(final Object serializable) {
135 checkArgument(serializable instanceof MutableCompositeModification);
136 return (MutableCompositeModification)serializable;
140 public void writeTo(final NormalizedNodeDataOutput out) throws IOException {
141 throw new UnsupportedOperationException();