org.apache.flink.runtime.resourcemanager.slotmanager.PendingTaskManagerSlot 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,
* 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.flink.runtime.resourcemanager.slotmanager;
import org.apache.flink.runtime.clusterframework.types.ResourceProfile;
import org.apache.flink.util.Preconditions;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
/**
* Represents a pending task manager slot in the {@link SlotManager}.
*/
public class PendingTaskManagerSlot {
private final TaskManagerSlotId taskManagerSlotId = TaskManagerSlotId.generate();
private final ResourceProfile resourceProfile;
@Nullable
private PendingSlotRequest pendingSlotRequest;
public PendingTaskManagerSlot(ResourceProfile resourceProfile) {
this.resourceProfile = resourceProfile;
}
public TaskManagerSlotId getTaskManagerSlotId() {
return taskManagerSlotId;
}
public ResourceProfile getResourceProfile() {
return resourceProfile;
}
public void assignPendingSlotRequest(@Nonnull PendingSlotRequest pendingSlotRequestToAssign) {
Preconditions.checkState(pendingSlotRequest == null);
pendingSlotRequest = pendingSlotRequestToAssign;
}
public void unassignPendingSlotRequest() {
pendingSlotRequest = null;
}
@Nullable
public PendingSlotRequest getAssignedPendingSlotRequest() {
return pendingSlotRequest;
}
}