2 * Copyright (c) 2017 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.clustering.it.provider.impl;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.util.concurrent.FluentFuture;
13 import com.google.common.util.concurrent.Futures;
14 import com.google.common.util.concurrent.ListenableFuture;
15 import com.google.common.util.concurrent.SettableFuture;
16 import java.util.Collections;
17 import java.util.HashSet;
19 import java.util.SplittableRandom;
20 import java.util.concurrent.ExecutionException;
21 import java.util.concurrent.TimeUnit;
22 import java.util.concurrent.TimeoutException;
23 import org.eclipse.jdt.annotation.NonNull;
24 import org.opendaylight.mdsal.common.api.CommitInfo;
25 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
26 import org.opendaylight.mdsal.dom.api.DOMDataTreeCursorAwareTransaction;
27 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
28 import org.opendaylight.mdsal.dom.api.DOMDataTreeProducer;
29 import org.opendaylight.mdsal.dom.api.DOMDataTreeProducerException;
30 import org.opendaylight.mdsal.dom.api.DOMDataTreeService;
31 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteCursor;
32 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.ProduceTransactionsInput;
33 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.ProduceTransactionsOutput;
34 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.ProduceTransactionsOutputBuilder;
35 import org.opendaylight.yangtools.yang.common.RpcError;
36 import org.opendaylight.yangtools.yang.common.RpcResult;
37 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
38 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
39 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
40 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
41 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
42 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
43 import org.slf4j.Logger;
44 import org.slf4j.LoggerFactory;
46 @Deprecated(forRemoval = true)
47 public final class ProduceTransactionsHandler extends AbstractTransactionHandler {
48 private static final Logger LOG = LoggerFactory.getLogger(ProduceTransactionsHandler.class);
50 private final SettableFuture<RpcResult<ProduceTransactionsOutput>> future = SettableFuture.create();
51 private final SplittableRandom random = new SplittableRandom();
52 private final Set<Integer> usedValues = new HashSet<>();
53 private final DOMDataTreeIdentifier idListItem;
54 private final DOMDataTreeProducer itemProducer;
56 private long insertTx = 0;
57 private long deleteTx = 0;
59 private ProduceTransactionsHandler(final DOMDataTreeProducer producer, final DOMDataTreeIdentifier idListItem,
60 final ProduceTransactionsInput input) {
62 this.itemProducer = requireNonNull(producer);
63 this.idListItem = requireNonNull(idListItem);
66 public static ListenableFuture<RpcResult<ProduceTransactionsOutput>> start(
67 final DOMDataTreeService domDataTreeService, final ProduceTransactionsInput input) {
68 final String id = input.getId();
69 LOG.debug("Filling the item list {} with initial values.", id);
71 final YangInstanceIdentifier idListWithKey = ID_INT_YID.node(NodeIdentifierWithPredicates.of(ID_INT, ID, id));
73 final DOMDataTreeProducer itemProducer = domDataTreeService.createProducer(
74 Collections.singleton(new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, idListWithKey)));
76 final DOMDataTreeCursorAwareTransaction tx = itemProducer.createTransaction(false);
77 final DOMDataTreeWriteCursor cursor =
78 tx.createCursor(new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, idListWithKey));
80 final MapNode list = ImmutableNodes.mapNodeBuilder(ITEM).build();
81 cursor.write(list.getIdentifier(), list);
85 tx.commit().get(INIT_TX_TIMEOUT_SECONDS, TimeUnit.SECONDS);
86 } catch (InterruptedException | ExecutionException | TimeoutException e) {
87 LOG.warn("Unable to fill the initial item list.", e);
88 closeProducer(itemProducer);
90 return Futures.immediateFuture(RpcResultBuilder.<ProduceTransactionsOutput>failed()
91 .withError(RpcError.ErrorType.APPLICATION, "Unexpected-exception", e).build());
94 final ProduceTransactionsHandler handler = new ProduceTransactionsHandler(itemProducer,
95 new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, idListWithKey.node(list.getIdentifier())
96 .toOptimized()), input);
97 // It is handler's responsibility to close itemProducer when the work is finished.
99 return handler.future;
102 private static void closeProducer(final DOMDataTreeProducer producer) {
105 } catch (final DOMDataTreeProducerException exception) {
106 LOG.warn("Failure while closing producer.", exception);
111 FluentFuture<? extends @NonNull CommitInfo> execWrite(final long txId) {
112 final int i = random.nextInt(MAX_ITEM + 1);
113 final DOMDataTreeCursorAwareTransaction tx = itemProducer.createTransaction(false);
114 final DOMDataTreeWriteCursor cursor = tx.createCursor(idListItem);
116 final NodeIdentifierWithPredicates entryId = NodeIdentifierWithPredicates.of(ITEM, NUMBER, i);
117 if (usedValues.contains(i)) {
118 LOG.debug("Deleting item: {}", i);
120 cursor.delete(entryId);
121 usedValues.remove(i);
124 LOG.debug("Inserting item: {}", i);
127 final MapEntryNode entry = ImmutableNodes.mapEntryBuilder().withNodeIdentifier(entryId)
128 .withChild(ImmutableNodes.leafNode(NUMBER, i)).build();
129 cursor.write(entryId, entry);
139 void runFailed(final Throwable cause, final long txId) {
140 closeProducer(itemProducer);
141 future.set(RpcResultBuilder.<ProduceTransactionsOutput>failed()
142 .withError(RpcError.ErrorType.APPLICATION, "Commit failed for tx # " + txId, cause).build());
146 void runSuccessful(final long allTx) {
147 closeProducer(itemProducer);
148 final ProduceTransactionsOutput output = new ProduceTransactionsOutputBuilder()
150 .setInsertTx(insertTx)
151 .setDeleteTx(deleteTx)
153 future.set(RpcResultBuilder.<ProduceTransactionsOutput>success()
154 .withResult(output).build());
158 void runTimedOut(final String cause) {
159 closeProducer(itemProducer);
160 future.set(RpcResultBuilder.<ProduceTransactionsOutput>failed()
161 .withError(RpcError.ErrorType.APPLICATION, cause).build());