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optimize: optimized globaltransaction compatibility issues (apache#6366)
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117 changes: 117 additions & 0 deletions
117
compatible/src/main/java/io/seata/tm/api/DefaultFailureHandlerImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| /* | ||
| * 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 io.seata.tm.api; | ||
|
|
||
| import java.util.concurrent.TimeUnit; | ||
| import io.netty.util.HashedWheelTimer; | ||
| import io.netty.util.Timeout; | ||
| import io.netty.util.TimerTask; | ||
| import io.seata.core.model.GlobalStatus; | ||
| import org.apache.seata.common.thread.NamedThreadFactory; | ||
| import org.apache.seata.core.exception.TransactionException; | ||
| import org.apache.seata.core.logger.StackTraceLogger; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| /** | ||
| * The type Default failure handler. | ||
| * | ||
| */ | ||
| public class DefaultFailureHandlerImpl implements FailureHandler { | ||
|
|
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| private static final Logger LOGGER = LoggerFactory.getLogger(DefaultFailureHandlerImpl.class); | ||
|
|
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| /** | ||
| * Retry 1 hours by default | ||
| */ | ||
| private static final int RETRY_MAX_TIMES = 6 * 60; | ||
|
|
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| private static final long SCHEDULE_INTERVAL_SECONDS = 10; | ||
|
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| private static final long TICK_DURATION = 1; | ||
|
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| private static final int TICKS_PER_WHEEL = 8; | ||
|
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| private static final HashedWheelTimer TIMER = new HashedWheelTimer( | ||
| new NamedThreadFactory("failedTransactionRetry", 1), | ||
| TICK_DURATION, TimeUnit.SECONDS, TICKS_PER_WHEEL); | ||
|
|
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| @Override | ||
| public void onBeginFailure(GlobalTransaction tx, Throwable cause) { | ||
| LOGGER.warn("Failed to begin transaction. ", cause); | ||
| } | ||
|
|
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| @Override | ||
| public void onCommitFailure(GlobalTransaction tx, Throwable cause) { | ||
| LOGGER.warn("Failed to commit transaction[" + tx.getXid() + "]", cause); | ||
| TIMER.newTimeout(new DefaultFailureHandlerImpl.CheckTimerTask(tx, GlobalStatus.Committed), SCHEDULE_INTERVAL_SECONDS, TimeUnit.SECONDS); | ||
| } | ||
|
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| @Override | ||
| public void onRollbackFailure(GlobalTransaction tx, Throwable originalException) { | ||
| LOGGER.warn("Failed to rollback transaction[" + tx.getXid() + "]", originalException); | ||
| TIMER.newTimeout(new DefaultFailureHandlerImpl.CheckTimerTask(tx, GlobalStatus.Rollbacked), SCHEDULE_INTERVAL_SECONDS, TimeUnit.SECONDS); | ||
| } | ||
|
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| @Override | ||
| public void onRollbacking(GlobalTransaction tx, Throwable originalException) { | ||
| StackTraceLogger.warn(LOGGER, originalException, "Retrying to rollback transaction[{}]", new String[] {tx.getXid()}); | ||
| TIMER.newTimeout(new DefaultFailureHandlerImpl.CheckTimerTask(tx, GlobalStatus.RollbackRetrying), SCHEDULE_INTERVAL_SECONDS, | ||
| TimeUnit.SECONDS); | ||
| } | ||
|
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| protected class CheckTimerTask implements TimerTask { | ||
|
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| private final GlobalTransaction tx; | ||
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| private final GlobalStatus required; | ||
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| private int count = 0; | ||
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| private boolean isStopped = false; | ||
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| protected CheckTimerTask(final GlobalTransaction tx, GlobalStatus required) { | ||
| this.tx = tx; | ||
| this.required = required; | ||
| } | ||
|
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| @Override | ||
| public void run(Timeout timeout) throws Exception { | ||
| if (!isStopped) { | ||
| if (++count > RETRY_MAX_TIMES) { | ||
| LOGGER.error("transaction [{}] retry fetch status times exceed the limit [{} times]", tx.getXid(), RETRY_MAX_TIMES); | ||
| return; | ||
| } | ||
| isStopped = shouldStop(tx, required); | ||
| TIMER.newTimeout(this, SCHEDULE_INTERVAL_SECONDS, TimeUnit.SECONDS); | ||
| } | ||
| } | ||
| } | ||
|
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| private boolean shouldStop(final GlobalTransaction tx, GlobalStatus required) { | ||
| try { | ||
| GlobalStatus status = tx.getStatus(); | ||
| LOGGER.info("transaction [{}] current status is [{}]", tx.getXid(), status); | ||
| if (status == required || status == GlobalStatus.Finished) { | ||
| return true; | ||
| } | ||
| } catch (TransactionException e) { | ||
| LOGGER.error("fetch GlobalTransaction status error", e); | ||
| } | ||
| return false; | ||
| } | ||
| } |
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