| /* |
| * 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.transactions; |
| |
| import java.util.Collection; |
| import org.apache.ignite.IgniteTransactions; |
| import org.apache.ignite.configuration.TransactionConfiguration; |
| import org.apache.ignite.internal.IgniteTransactionsEx; |
| import org.apache.ignite.internal.processors.cache.GridCacheContext; |
| import org.apache.ignite.internal.processors.cache.GridCacheSharedContext; |
| import org.apache.ignite.internal.processors.cache.distributed.near.GridNearTxLocal; |
| import org.apache.ignite.internal.processors.tracing.MTC; |
| import org.apache.ignite.internal.processors.tracing.Span; |
| import org.apache.ignite.internal.util.typedef.F; |
| import org.apache.ignite.internal.util.typedef.internal.A; |
| import org.apache.ignite.internal.util.typedef.internal.CU; |
| import org.apache.ignite.lang.IgniteClosure; |
| import org.apache.ignite.lang.IgnitePredicate; |
| import org.apache.ignite.transactions.Transaction; |
| import org.apache.ignite.transactions.TransactionConcurrency; |
| import org.apache.ignite.transactions.TransactionException; |
| import org.apache.ignite.transactions.TransactionIsolation; |
| import org.apache.ignite.transactions.TransactionMetrics; |
| import org.jetbrains.annotations.Nullable; |
| |
| import static org.apache.ignite.internal.processors.tracing.SpanType.TX; |
| |
| /** |
| * Grid transactions implementation. |
| */ |
| public class IgniteTransactionsImpl<K, V> implements IgniteTransactionsEx { |
| /** Cache shared context. */ |
| private GridCacheSharedContext<K, V> cctx; |
| |
| /** Label. */ |
| private String lb; |
| |
| /** Tracing enabled flag. */ |
| private boolean tracingEnabled; |
| |
| /** |
| * @param cctx Cache shared context. |
| * @param lb Label. |
| */ |
| public IgniteTransactionsImpl(GridCacheSharedContext<K, V> cctx, @Nullable String lb, boolean tracingEnabled) { |
| this.cctx = cctx; |
| this.lb = lb; |
| this.tracingEnabled = tracingEnabled; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Transaction txStart() throws IllegalStateException { |
| TransactionConfiguration cfg = CU.transactionConfiguration(null, cctx.kernalContext().config()); |
| |
| return txStart0( |
| cfg.getDefaultTxConcurrency(), |
| cfg.getDefaultTxIsolation(), |
| cfg.getDefaultTxTimeout(), |
| 0, |
| null |
| ).proxy(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Transaction txStart(TransactionConcurrency concurrency, TransactionIsolation isolation) { |
| A.notNull(concurrency, "concurrency"); |
| A.notNull(isolation, "isolation"); |
| |
| TransactionConfiguration cfg = CU.transactionConfiguration(null, cctx.kernalContext().config()); |
| |
| return txStart0( |
| concurrency, |
| isolation, |
| cfg.getDefaultTxTimeout(), |
| 0, |
| null |
| ).proxy(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Transaction txStart(TransactionConcurrency concurrency, TransactionIsolation isolation, |
| long timeout, int txSize) { |
| A.notNull(concurrency, "concurrency"); |
| A.notNull(isolation, "isolation"); |
| A.ensure(timeout >= 0, "timeout cannot be negative"); |
| A.ensure(txSize >= 0, "transaction size cannot be negative"); |
| |
| return txStart0( |
| concurrency, |
| isolation, |
| timeout, |
| txSize, |
| null |
| ).proxy(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public GridNearTxLocal txStartEx( |
| GridCacheContext ctx, |
| TransactionConcurrency concurrency, |
| TransactionIsolation isolation, |
| long timeout, |
| int txSize) { |
| A.notNull(concurrency, "concurrency"); |
| A.notNull(isolation, "isolation"); |
| A.ensure(timeout >= 0, "timeout cannot be negative"); |
| A.ensure(txSize >= 0, "transaction size cannot be negative"); |
| |
| checkTransactional(ctx); |
| |
| return txStart0(concurrency, |
| isolation, |
| timeout, |
| txSize, |
| ctx.systemTx() ? ctx : null); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public GridNearTxLocal txStartEx( |
| GridCacheContext ctx, |
| TransactionConcurrency concurrency, |
| TransactionIsolation isolation) { |
| A.notNull(concurrency, "concurrency"); |
| A.notNull(isolation, "isolation"); |
| |
| checkTransactional(ctx); |
| |
| TransactionConfiguration cfg = CU.transactionConfiguration(ctx, cctx.kernalContext().config()); |
| |
| return txStart0(concurrency, |
| isolation, |
| cfg.getDefaultTxTimeout(), |
| 0, |
| ctx.systemTx() ? ctx : null); |
| } |
| |
| /** |
| * @param concurrency Transaction concurrency. |
| * @param isolation Transaction isolation. |
| * @param timeout Transaction timeout. |
| * @param txSize Expected transaction size. |
| * @param sysCacheCtx System cache context. |
| * @return Transaction. |
| */ |
| private GridNearTxLocal txStart0( |
| TransactionConcurrency concurrency, |
| TransactionIsolation isolation, |
| long timeout, |
| int txSize, |
| @Nullable GridCacheContext sysCacheCtx |
| ) { |
| cctx.kernalContext().gateway().readLock(); |
| |
| Span span = cctx.kernalContext().tracing().create(TX, null, lb); |
| |
| MTC.supportInitial(span); |
| |
| span.addTag("isolation", isolation::name); |
| span.addTag("concurrency", concurrency::name); |
| span.addTag("timeout", () -> String.valueOf(timeout)); |
| |
| if (lb != null) |
| span.addTag("label", () -> lb); |
| |
| try { |
| GridNearTxLocal tx = cctx.tm().userTx(sysCacheCtx); |
| |
| if (tx != null) |
| throw new IllegalStateException("Failed to start new transaction " + |
| "(current thread already has a transaction): " + tx); |
| |
| tx = cctx.tm().newTx( |
| false, |
| false, |
| sysCacheCtx, |
| concurrency, |
| isolation, |
| timeout, |
| true, |
| null, |
| txSize, |
| lb, |
| tracingEnabled |
| ); |
| |
| assert tx != null; |
| return tx; |
| } |
| finally { |
| cctx.kernalContext().gateway().readUnlock(); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public Transaction tx() { |
| GridNearTxLocal tx = cctx.tm().userTx(); |
| |
| return tx != null ? tx.proxy() : null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public TransactionMetrics metrics() { |
| return cctx.txMetrics().snapshot(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void resetMetrics() { |
| cctx.resetTxMetrics(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Collection<Transaction> localActiveTransactions() { |
| return F.viewReadOnly(cctx.tm().activeTransactions(), new IgniteClosure<IgniteInternalTx, Transaction>() { |
| @Override public Transaction apply(IgniteInternalTx tx) { |
| return ((GridNearTxLocal)tx).rollbackOnlyProxy(); |
| } |
| }, new IgnitePredicate<IgniteInternalTx>() { |
| @Override public boolean apply(IgniteInternalTx tx) { |
| return tx.local() && tx.near(); |
| } |
| }); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgniteTransactions withLabel(String lb) { |
| A.notNull(lb, "label should not be empty."); |
| |
| return new IgniteTransactionsImpl<>(cctx, lb, tracingEnabled); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgniteTransactions withTracing() { |
| return new IgniteTransactionsImpl<>(cctx, lb, true); |
| } |
| |
| /** |
| * @param ctx Cache context. |
| */ |
| private void checkTransactional(GridCacheContext ctx) { |
| if (!ctx.transactional()) |
| throw new TransactionException("Failed to start transaction on non-transactional cache: " + ctx.name()); |
| } |
| } |