kafka TaskAssignor 源码
kafka TaskAssignor 代码
文件路径：/streams/src/main/java/org/apache/kafka/streams/processor/internals/assignment/TaskAssignor.java
/*
* 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.kafka.streams.processor.internals.assignment;
import org.apache.kafka.streams.processor.TaskId;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
public interface TaskAssignor {
/**
* @return whether the generated assignment requires a followup probing rebalance to satisfy all conditions
*/
boolean assign(Map<UUID, ClientState> clients,
Set<TaskId> allTaskIds,
Set<TaskId> statefulTaskIds,
AssignorConfiguration.AssignmentConfigs configs);
}
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