Package org.apache.flink.runtime.operators.coordination

Interface OperatorCoordinator.Context

  • Enclosing interface:
    OperatorCoordinator
    public static interface OperatorCoordinator.Context
    The context gives the OperatorCoordinator access to contextual information and provides a gateway to interact with other components, such as sending operator events.

    • Method Detail

      • getJobID

        org.apache.flink.api.common.JobID getJobID()
        Gets the JobID of the job to which the coordinator belongs.

      • getOperatorId

        OperatorID getOperatorId()
        Gets the ID of the operator to which the coordinator belongs.

      • metricGroup

        org.apache.flink.metrics.groups.OperatorCoordinatorMetricGroup metricGroup()
        Gets the metric group of the operator coordinator.

      • failJob

        void failJob​(Throwable cause)
        Fails the job and trigger a global failover operation.

        This operation restores the entire job to the latest complete checkpoint. This is useful to recover from inconsistent situations (the view from the coordinator and its subtasks as diverged), but is expensive and should be used with care.

      • currentParallelism

        int currentParallelism()
        Gets the current parallelism with which this operator is executed.

      • getUserCodeClassloader

        ClassLoader getUserCodeClassloader()
        Gets the classloader that contains the additional dependencies, which are not part of the JVM's classpath.

      • isConcurrentExecutionAttemptsSupported

        boolean isConcurrentExecutionAttemptsSupported()
        Gets that whether the coordinator supports an execution vertex to have multiple concurrent running execution attempts.

      • getCheckpointCoordinator

        @Nullable
CheckpointCoordinator getCheckpointCoordinator()
        Gets the checkpoint coordinator of this job. Return null if checkpoint is disabled.