org.apache.flink.runtime.resourcemanager.slotmanager.ResourceActions Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* 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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*/
package org.apache.flink.runtime.resourcemanager.slotmanager;
import org.apache.flink.api.common.JobID;
import org.apache.flink.runtime.clusterframework.types.AllocationID;
import org.apache.flink.runtime.instance.InstanceID;
import org.apache.flink.runtime.resourcemanager.WorkerResourceSpec;
/**
* Resource related actions which the {@link SlotManager} can perform.
*/
public interface ResourceActions {
/**
* Releases the resource with the given instance id.
*
* @param instanceId identifying which resource to release
* @param cause why the resource is released
*/
void releaseResource(InstanceID instanceId, Exception cause);
/**
* Requests to allocate a resource with the given {@link WorkerResourceSpec}.
*
* @param workerResourceSpec for the to be allocated worker
* @return whether the resource can be allocated
*/
boolean allocateResource(WorkerResourceSpec workerResourceSpec);
/**
* Notifies that an allocation failure has occurred.
*
* @param jobId to which the allocation belonged
* @param allocationId identifying the failed allocation
* @param cause of the allocation failure
*/
void notifyAllocationFailure(JobID jobId, AllocationID allocationId, Exception cause);
}