kafka DelayedOperationKey 源码
kafka DelayedOperationKey 代码
文件路径：/core/src/main/scala/kafka/server/DelayedOperationKey.scala
/**
* 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 kafka.server
import org.apache.kafka.common.{TopicIdPartition, TopicPartition}
/**
* Keys used for delayed operation metrics recording
*/
trait DelayedOperationKey {
def keyLabel: String
}
object DelayedOperationKey {
val globalLabel = "All"
}
/* used by delayed-produce and delayed-fetch operations */
case class TopicPartitionOperationKey(topic: String, partition: Int) extends DelayedOperationKey {
override def keyLabel: String = "%s-%d".format(topic, partition)
}
object TopicPartitionOperationKey {
def apply(topicPartition: TopicPartition): TopicPartitionOperationKey = {
apply(topicPartition.topic, topicPartition.partition)
}
def apply(topicIdPartition: TopicIdPartition): TopicPartitionOperationKey = {
apply(topicIdPartition.topic, topicIdPartition.partition)
}
}
/* used by delayed-join-group operations */
case class MemberKey(groupId: String, consumerId: String) extends DelayedOperationKey {
override def keyLabel: String = "%s-%s".format(groupId, consumerId)
}
/* used by delayed-join operations */
case class GroupJoinKey(groupId: String) extends DelayedOperationKey {
override def keyLabel: String = "join-%s".format(groupId)
}
/* used by delayed-sync operations */
case class GroupSyncKey(groupId: String) extends DelayedOperationKey {
override def keyLabel: String = "sync-%s".format(groupId)
}
/* used by delayed-topic operations */
case class TopicKey(topic: String) extends DelayedOperationKey {
override def keyLabel: String = topic
}
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