kafka.coordinator.transaction.DelayedTxnMarker.scala Maven / Gradle / Ivy
/*
* 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,
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* See the License for the specific language governing permissions and
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*/
package kafka.coordinator.transaction
import java.util.concurrent.TimeUnit
import java.util.concurrent.locks.Lock
import kafka.server.DelayedOperation
import org.apache.kafka.common.protocol.Errors
/**
* Delayed transaction state change operations that are added to the purgatory without timeout (i.e. these operations should never time out)
*/
private[transaction] class DelayedTxnMarker(txnMetadata: TransactionMetadata,
completionCallback: Errors => Unit,
lock: Lock)
extends DelayedOperation(TimeUnit.DAYS.toMillis(100 * 365), Some(lock)) {
override def tryComplete(): Boolean = {
txnMetadata.inLock {
if (txnMetadata.topicPartitions.isEmpty)
forceComplete()
else false
}
}
override def onExpiration(): Unit = {
// this should never happen
throw new IllegalStateException(s"Delayed write txn marker operation for metadata $txnMetadata has timed out, this should never happen.")
}
// TODO: if we will always return NONE upon completion, we can remove the error code in the param
override def onComplete(): Unit = completionCallback(Errors.NONE)
}