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;
10 import com.google.common.base.Preconditions;
11 import com.google.common.collect.Collections2;
12 import com.google.common.collect.Range;
13 import com.google.common.collect.RangeSet;
14 import com.google.common.collect.TreeRangeSet;
15 import com.google.common.primitives.UnsignedLong;
16 import java.util.HashMap;
18 import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
19 import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier;
20 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
21 import org.opendaylight.controller.cluster.datastore.persisted.FrontendClientMetadata;
22 import org.opendaylight.controller.cluster.datastore.persisted.FrontendHistoryMetadata;
23 import org.opendaylight.yangtools.concepts.Builder;
24 import org.opendaylight.yangtools.concepts.Identifiable;
26 final class FrontendClientMetadataBuilder implements Builder<FrontendClientMetadata>, Identifiable<ClientIdentifier> {
27 private final Map<LocalHistoryIdentifier, FrontendHistoryMetadataBuilder> currentHistories = new HashMap<>();
28 private final RangeSet<UnsignedLong> purgedHistories;
29 private final ClientIdentifier identifier;
31 FrontendClientMetadataBuilder(final ClientIdentifier identifier) {
32 this.identifier = Preconditions.checkNotNull(identifier);
33 purgedHistories = TreeRangeSet.create();
36 FrontendClientMetadataBuilder(final FrontendClientMetadata meta) {
37 this.identifier = Preconditions.checkNotNull(meta.getIdentifier());
38 purgedHistories = TreeRangeSet.create(meta.getPurgedHistories());
40 for (FrontendHistoryMetadata h : meta.getCurrentHistories()) {
41 final FrontendHistoryMetadataBuilder b = new FrontendHistoryMetadataBuilder(identifier, h);
42 currentHistories.put(b.getIdentifier(), b);
47 public FrontendClientMetadata build() {
48 return new FrontendClientMetadata(identifier, purgedHistories,
49 Collections2.transform(currentHistories.values(), FrontendHistoryMetadataBuilder::build));
53 public ClientIdentifier getIdentifier() {
57 void onHistoryClosed(final LocalHistoryIdentifier historyId) {
58 ensureHistory(historyId).onHistoryClosed();
61 void onHistoryPurged(final LocalHistoryIdentifier historyId) {
62 currentHistories.remove(historyId);
63 // XXX: do we need to account for cookies?
64 purgedHistories.add(Range.singleton(UnsignedLong.fromLongBits(historyId.getHistoryId())));
67 void onTransactionCommitted(final TransactionIdentifier txId) {
68 ensureHistory(txId.getHistoryId()).onTransactionCommitted(txId);
71 private FrontendHistoryMetadataBuilder ensureHistory(final LocalHistoryIdentifier historyId) {
72 return currentHistories.computeIfAbsent(historyId, FrontendHistoryMetadataBuilder::new);