| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.internal.processors.cache; |
| |
| import java.util.Collections; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicReference; |
| import org.apache.ignite.IgniteLogger; |
| import org.apache.ignite.internal.IgniteInternalFuture; |
| import org.apache.ignite.internal.processors.cache.transactions.IgniteInternalTx; |
| import org.apache.ignite.internal.util.GridConcurrentHashSet; |
| import org.apache.ignite.internal.util.future.GridFutureAdapter; |
| import org.apache.ignite.internal.util.typedef.CI1; |
| import org.apache.ignite.internal.util.typedef.F; |
| import org.apache.ignite.internal.util.typedef.internal.CU; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| |
| /** |
| * Future which waits for completion of one or more transactions. |
| */ |
| public final class GridCacheMultiTxFuture<K, V> extends GridFutureAdapter<Boolean> { |
| /** Logger reference. */ |
| private static final AtomicReference<IgniteLogger> logRef = new AtomicReference<>(); |
| |
| /** Logger. */ |
| private static IgniteLogger log; |
| |
| /** */ |
| private Set<IgniteInternalTx> remainingTxs; |
| |
| /** |
| * @param cctx Cache context. |
| */ |
| public GridCacheMultiTxFuture(GridCacheContext<K, V> cctx) { |
| if (log == null) |
| log = U.logger(cctx.kernalContext(), logRef, GridCacheMultiTxFuture.class); |
| } |
| |
| /** |
| * @param tx Transaction to add. |
| */ |
| public void addTx(IgniteInternalTx tx) { |
| if (remainingTxs == null) |
| remainingTxs = new GridConcurrentHashSet<>(); |
| |
| remainingTxs.add(tx); |
| } |
| |
| /** |
| * Initializes this future. |
| */ |
| public void init() { |
| if (remainingTxs == null) { |
| remainingTxs = Collections.emptySet(); |
| |
| onDone(true); |
| } |
| else { |
| assert !remainingTxs.isEmpty(); |
| |
| for (final IgniteInternalTx tx : remainingTxs) { |
| if (!tx.done()) { |
| tx.finishFuture().listen(new CI1<IgniteInternalFuture<IgniteInternalTx>>() { |
| @Override public void apply(IgniteInternalFuture<IgniteInternalTx> t) { |
| remainingTxs.remove(tx); |
| |
| checkRemaining(); |
| } |
| }); |
| } |
| else |
| remainingTxs.remove(tx); |
| } |
| |
| checkRemaining(); |
| } |
| } |
| |
| /** |
| * @return {@code True} if remaining set is empty. |
| */ |
| private boolean checkRemaining() { |
| if (remainingTxs.isEmpty()) { |
| if (log.isDebugEnabled()) |
| log.debug("Finishing multi-tx future: " + this); |
| |
| onDone(true); |
| |
| return true; |
| } |
| |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(GridCacheMultiTxFuture.class, this, |
| "remaining", F.viewReadOnly(remainingTxs, CU.<K, V>tx2xidVersion()), |
| "super", super.toString() |
| ); |
| } |
| } |