org.apache.flink.runtime.checkpoint.CheckpointPlan Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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*/
package org.apache.flink.runtime.checkpoint;
import org.apache.flink.runtime.executiongraph.Execution;
import org.apache.flink.runtime.executiongraph.ExecutionJobVertex;
import org.apache.flink.runtime.executiongraph.ExecutionVertex;
import java.util.List;
import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* The plan of one checkpoint, indicating which tasks to trigger, waiting for acknowledge or commit
* for one specific checkpoint.
*/
class CheckpointPlan {
/** Tasks who need to be sent a message when a checkpoint is started. */
private final List tasksToTrigger;
/** Tasks who need to acknowledge a checkpoint before it succeeds. */
private final List tasksToWaitFor;
/**
* Tasks that are still running when taking the checkpoint, these need to be sent a message when
* the checkpoint is confirmed.
*/
private final List tasksToCommitTo;
/** Tasks that have already been finished when taking the checkpoint. */
private final List finishedTasks;
/** The job vertices whose tasks are all finished when taking the checkpoint. */
private final List fullyFinishedJobVertex;
CheckpointPlan(
List tasksToTrigger,
List tasksToWaitFor,
List tasksToCommitTo,
List finishedTasks,
List fullyFinishedJobVertex) {
this.tasksToTrigger = checkNotNull(tasksToTrigger);
this.tasksToWaitFor = checkNotNull(tasksToWaitFor);
this.tasksToCommitTo = checkNotNull(tasksToCommitTo);
this.finishedTasks = checkNotNull(finishedTasks);
this.fullyFinishedJobVertex = checkNotNull(fullyFinishedJobVertex);
}
List getTasksToTrigger() {
return tasksToTrigger;
}
List getTasksToWaitFor() {
return tasksToWaitFor;
}
List getTasksToCommitTo() {
return tasksToCommitTo;
}
public List getFinishedTasks() {
return finishedTasks;
}
public List getFullyFinishedJobVertex() {
return fullyFinishedJobVertex;
}
}