org.apache.flink.runtime.scheduler.SchedulerOperations Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
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* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
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package org.apache.flink.runtime.scheduler;
import org.apache.flink.runtime.scheduler.strategy.SchedulingStrategy;
import java.util.List;
/** Component which is used by {@link SchedulingStrategy} to commit scheduling decisions. */
public interface SchedulerOperations {
/**
* Allocate slots and deploy the vertex when slots are returned. Vertices will be deployed only
* after all of them have been assigned slots. The given order will be respected, i.e. tasks
* with smaller indices will be deployed earlier. Only vertices in CREATED state will be
* accepted. Errors will happen if scheduling Non-CREATED vertices.
*
* @param executionVertexDeploymentOptions The deployment options of tasks to be deployed
*/
void allocateSlotsAndDeploy(
List executionVertexDeploymentOptions);
}