org.apache.shardingsphere.data.pipeline.spi.barrier

Interface PipelineDistributedBarrier

All Superinterfaces:

org.apache.shardingsphere.infra.util.spi.type.required.RequiredSPI

public interface PipelineDistributedBarrier
extends org.apache.shardingsphere.infra.util.spi.type.required.RequiredSPI

Pipeline distributed barrier.

Method Summary

Modifier and Type	Method and Description
boolean	await(String barrierPath, long timeout, TimeUnit timeUnit) Await barrier path all children node is ready.
void	notifyChildrenNodeCountCheck(String nodePath) notify children node count check.
void	persistEphemeralChildrenNode(String barrierPath, int shardingItem) Persist ephemeral children node.
void	register(String barrierPath, int totalCount) Register distributed barrier.
void	unregister(String barrierPath) Persist ephemeral children node.

Methods inherited from interface org.apache.shardingsphere.infra.util.spi.type.required.RequiredSPI

isDefault

Method Detail

register

void register(String barrierPath,
              int totalCount)

Register distributed barrier.

Parameters:

barrierPath - barrier path

totalCount - total count

persistEphemeralChildrenNode

void persistEphemeralChildrenNode(String barrierPath,
                                  int shardingItem)

Persist ephemeral children node.

Parameters:

barrierPath - barrier path

shardingItem - sharding item

unregister

void unregister(String barrierPath)

Persist ephemeral children node.

Parameters:

barrierPath - barrier path

await

boolean await(String barrierPath,
              long timeout,
              TimeUnit timeUnit)

Await barrier path all children node is ready.

Parameters:

barrierPath - barrier path

timeout - timeout

timeUnit - time unit

Returns:

true if the count reached zero and false if the waiting time elapsed before the count reached zero

notifyChildrenNodeCountCheck

void notifyChildrenNodeCountCheck(String nodePath)

notify children node count check.

Parameters:

nodePath - node path