2 * Copyright (c) 2016 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.persisted;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.base.MoreObjects;
13 import com.google.common.collect.ImmutableList;
14 import java.io.DataInput;
15 import java.io.DataOutput;
16 import java.io.IOException;
17 import java.util.ArrayList;
18 import java.util.Collection;
19 import org.eclipse.jdt.annotation.NonNull;
20 import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
21 import org.opendaylight.controller.cluster.datastore.utils.ImmutableUnsignedLongSet;
22 import org.opendaylight.yangtools.concepts.Identifiable;
23 import org.opendaylight.yangtools.concepts.WritableObject;
25 public final class FrontendClientMetadata implements Identifiable<ClientIdentifier>, WritableObject {
26 private final @NonNull ImmutableList<FrontendHistoryMetadata> currentHistories;
27 private final @NonNull ImmutableUnsignedLongSet purgedHistories;
28 private final @NonNull ClientIdentifier identifier;
30 public FrontendClientMetadata(final ClientIdentifier identifier, final ImmutableUnsignedLongSet purgedHistories,
31 final Collection<FrontendHistoryMetadata> currentHistories) {
32 this.identifier = requireNonNull(identifier);
33 this.purgedHistories = requireNonNull(purgedHistories);
34 this.currentHistories = ImmutableList.copyOf(currentHistories);
37 public Collection<FrontendHistoryMetadata> getCurrentHistories() {
38 return currentHistories;
41 public ImmutableUnsignedLongSet getPurgedHistories() {
42 return purgedHistories;
46 public ClientIdentifier getIdentifier() {
51 public void writeTo(final DataOutput out) throws IOException {
52 identifier.writeTo(out);
53 purgedHistories.writeTo(out);
55 out.writeInt(currentHistories.size());
56 for (final FrontendHistoryMetadata h : currentHistories) {
61 public static FrontendClientMetadata readFrom(final DataInput in) throws IOException {
62 final ClientIdentifier id = ClientIdentifier.readFrom(in);
63 final var purgedHistories = ImmutableUnsignedLongSet.readFrom(in);
65 final int currentSize = in.readInt();
66 // FIXME: ImmutableList.builder()
67 final var currentHistories = new ArrayList<FrontendHistoryMetadata>(currentSize);
68 for (int i = 0; i < currentSize; ++i) {
69 currentHistories.add(FrontendHistoryMetadata.readFrom(in));
72 return new FrontendClientMetadata(id, purgedHistories, currentHistories);
76 public String toString() {
77 return MoreObjects.toStringHelper(FrontendClientMetadata.class).add("identifer", identifier)
78 .add("current", currentHistories).add("purged", purgedHistories).toString();