Package org.apache.kafka.streams.processor.internals.assignment

Class ClientState

  • public class ClientState
extends java.lang.Object

    • Field Detail

      • TOPIC_PARTITION_COMPARATOR

        public static final java.util.Comparator<org.apache.kafka.common.TopicPartition> TOPIC_PARTITION_COMPARATOR

    • Constructor Detail

      • ClientState

        public ClientState()

      • ClientState

        public ClientState​(java.util.Set<TaskId> previousActiveTasks,
                   java.util.Set<TaskId> previousStandbyTasks,
                   java.util.Map<TaskId,​java.lang.Long> taskLagTotals,
                   int capacity)

    • Method Detail

      • incrementCapacity

        public void incrementCapacity()

      • activeTasks

        public java.util.Set<TaskId> activeTasks()

      • activeTaskCount

        public int activeTaskCount()

      • assignActiveTasks

        public void assignActiveTasks​(java.util.Collection<TaskId> tasks)

      • assignActive

        public void assignActive​(TaskId task)

      • unassignActive

        public void unassignActive​(TaskId task)

      • standbyTasks

        public java.util.Set<TaskId> standbyTasks()

      • assignStandby

        public void assignStandby​(TaskId task)

      • assignedTaskCount

        public int assignedTaskCount()

      • previousOwnerForPartition

        public java.lang.String previousOwnerForPartition​(org.apache.kafka.common.TopicPartition partition)

      • addOwnedPartitions

        public void addOwnedPartitions​(java.util.Collection<org.apache.kafka.common.TopicPartition> ownedPartitions,
                               java.lang.String consumer)

      • addPreviousTasksAndOffsetSums

        public void addPreviousTasksAndOffsetSums​(java.lang.String consumerId,
                                          java.util.Map<TaskId,​java.lang.Long> taskOffsetSums)

      • initializePrevTasks

        public void initializePrevTasks​(java.util.Map<org.apache.kafka.common.TopicPartition,​TaskId> taskForPartitionMap)

      • computeTaskLags

        public void computeTaskLags​(java.util.UUID uuid,
                            java.util.Map<TaskId,​java.lang.Long> allTaskEndOffsetSums)
        Compute the lag for each stateful task, including tasks this client did not previously have.

      • lagFor

        public long lagFor​(TaskId task)
        Returns the total lag across all logged stores in the task. Equal to the end offset sum if this client did not have any state for this task on disk.
        Returns:
        end offset sum - offset sum Task.LATEST_OFFSET if this was previously an active running task on this client

      • statefulActiveTasks

        public java.util.Set<TaskId> statefulActiveTasks()

      • statelessActiveTasks

        public java.util.Set<TaskId> statelessActiveTasks()

      • previousTasksForConsumer

        public java.util.Set<TaskId> previousTasksForConsumer​(java.lang.String memberId)

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object