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.codec.binfmt.NormalizedNodeDataInput;
24 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataOutput;
25 import org.opendaylight.yangtools.yang.data.impl.schema.ReusableImmutableNormalizedNodeStreamWriter;
26 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeModification;
29 * MutableCompositeModification is just a mutable version of a CompositeModification.
31 @Deprecated(since = "9.0.0", forRemoval = true)
32 public class MutableCompositeModification extends VersionedExternalizableMessage implements CompositeModification {
33 private static final long serialVersionUID = 1L;
35 private final List<Modification> modifications = new ArrayList<>();
36 private List<Modification> immutableModifications = null;
38 public MutableCompositeModification() {
39 this(DataStoreVersions.CURRENT_VERSION);
42 public MutableCompositeModification(final short version) {
47 public void apply(final DOMStoreWriteTransaction transaction) {
48 for (Modification modification : modifications) {
49 modification.apply(transaction);
54 public void apply(final DataTreeModification transaction) {
55 for (Modification modification : modifications) {
56 modification.apply(transaction);
61 public byte getType() {
66 * Add a new Modification to the list of Modifications represented by this composite.
68 * @param modification the modification to add.
70 public void addModification(final Modification modification) {
71 modifications.add(requireNonNull(modification));
74 public void addModifications(final Iterable<Modification> newMods) {
75 for (Modification mod : newMods) {
81 public List<Modification> getModifications() {
82 if (immutableModifications == null) {
83 immutableModifications = Collections.unmodifiableList(modifications);
86 return immutableModifications;
90 public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
91 super.readExternal(in);
92 final int size = in.readInt();
94 if (getVersion() >= DataStoreVersions.PHOSPHORUS_VERSION) {
95 readExternalModern(NormalizedNodeDataInput.newDataInput(in), size);
97 readExternalLegacy(in, size);
103 public void writeExternal(final ObjectOutput out) throws IOException {
104 super.writeExternal(out);
105 final int size = modifications.size();
108 if (getVersion() >= DataStoreVersions.PHOSPHORUS_VERSION) {
109 writeExternalModern(out);
111 writeExternalLegacy(out);
116 private void readExternalLegacy(final ObjectInput in, final int size) throws IOException {
117 final NormalizedNodeDataInput input = NormalizedNodeDataInput.newDataInputWithoutValidation(in);
118 final ReusableStreamReceiver receiver = ReusableImmutableNormalizedNodeStreamWriter.create();
119 for (int i = 0; i < size; i++) {
120 final byte type = in.readByte();
122 case Modification.WRITE:
123 modifications.add(WriteModification.fromStream(input, getVersion(), receiver));
125 case Modification.MERGE:
126 modifications.add(MergeModification.fromStream(input, getVersion(), receiver));
128 case Modification.DELETE:
129 modifications.add(DeleteModification.fromStream(input, getVersion()));
137 private void writeExternalLegacy(final ObjectOutput out) throws IOException {
138 try (NormalizedNodeDataOutput stream = getStreamVersion().newDataOutput(out)) {
139 for (Modification mod : modifications) {
140 out.writeByte(mod.getType());
146 private void readExternalModern(final NormalizedNodeDataInput in, final int size) throws IOException {
147 final ReusableStreamReceiver receiver = ReusableImmutableNormalizedNodeStreamWriter.create();
148 for (int i = 0; i < size; i++) {
149 final byte type = in.readByte();
151 case Modification.WRITE:
152 modifications.add(WriteModification.fromStream(in, getVersion(), receiver));
154 case Modification.MERGE:
155 modifications.add(MergeModification.fromStream(in, getVersion(), receiver));
157 case Modification.DELETE:
158 modifications.add(DeleteModification.fromStream(in, getVersion()));
166 private void writeExternalModern(final ObjectOutput out) throws IOException {
167 try (NormalizedNodeDataOutput stream = getStreamVersion().newDataOutput(out)) {
168 for (Modification mod : modifications) {
169 stream.writeByte(mod.getType());
175 public static MutableCompositeModification fromSerializable(final Object serializable) {
176 checkArgument(serializable instanceof MutableCompositeModification);
177 return (MutableCompositeModification)serializable;
181 public void writeTo(final NormalizedNodeDataOutput out) throws IOException {
182 throw new UnsupportedOperationException();