2 * Copyright (c) 2018 Pantheon Technologies, s.r.o. 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.sal.core.compat;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.cache.Cache;
13 import com.google.common.cache.CacheBuilder;
14 import com.google.common.collect.ForwardingObject;
15 import java.util.function.Function;
16 import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
17 import org.opendaylight.controller.md.sal.common.api.data.TransactionChain;
18 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
19 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadOnlyTransaction;
20 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
21 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
22 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
23 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
24 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
25 import org.opendaylight.mdsal.dom.api.DOMDataTreeTransaction;
26 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
27 import org.opendaylight.mdsal.dom.api.DOMTransactionChainListener;
30 public class DOMTransactionChainAdapter extends ForwardingObject
31 implements org.opendaylight.mdsal.dom.api.DOMTransactionChain, TransactionChainListener {
32 private final Cache<AsyncTransaction<?, ?>, DOMDataTreeTransaction> transactions = CacheBuilder.newBuilder()
33 .weakKeys().weakValues().build();
35 private final DOMTransactionChainListener listener;
36 private final DOMTransactionChain delegate;
38 public DOMTransactionChainAdapter(final DOMTransactionChainListener listener,
39 final Function<TransactionChainListener, DOMTransactionChain> function) {
40 this.listener = requireNonNull(listener);
41 this.delegate = function.apply(this);
47 transactions.invalidateAll();
51 public DOMDataTreeReadTransaction newReadOnlyTransaction() {
52 final DOMDataReadOnlyTransaction tx = delegate.newReadOnlyTransaction();
53 return track(tx, new DOMDataTreeReadTransactionAdapter(tx) {
63 public DOMDataTreeWriteTransaction newWriteOnlyTransaction() {
64 final DOMDataWriteTransaction tx = delegate.newWriteOnlyTransaction();
65 return track(tx, new DOMDataTreeWriteTransactionAdapter(tx) {
67 public boolean cancel() {
69 return super.cancel();
75 public DOMDataTreeReadWriteTransaction newReadWriteTransaction() {
76 final DOMDataReadWriteTransaction tx = delegate.newReadWriteTransaction();
77 return track(tx, new DOMDataTreeReadWriteTransactionAdapter(tx) {
79 public boolean cancel() {
81 return super.cancel();
87 public void onTransactionChainFailed(final TransactionChain<?, ?> chain, final AsyncTransaction<?, ?> transaction,
88 final Throwable cause) {
89 listener.onTransactionChainFailed(this, null, cause);
93 public void onTransactionChainSuccessful(final TransactionChain<?, ?> chain) {
94 listener.onTransactionChainSuccessful(this);
98 protected DOMTransactionChain delegate() {
102 private <T extends DOMDataTreeTransaction> T track(final AsyncTransaction<?, ?> controllerTx, final T mdsalTx) {
103 transactions.put(controllerTx, mdsalTx);
107 void untrack(final AsyncTransaction<?, ?> controllerTx) {
108 transactions.invalidate(controllerTx);