org.apache.hadoop.hbase.replication

类 VerifyWALEntriesReplicationEndpoint

java.lang.Object

org.apache.hbase.thirdparty.com.google.common.util.concurrent.AbstractService

org.apache.hadoop.hbase.replication.BaseReplicationEndpoint

org.apache.hadoop.hbase.replication.VerifyWALEntriesReplicationEndpoint

所有已实现的接口:

ReplicationEndpoint, ReplicationPeerConfigListener, org.apache.hbase.thirdparty.com.google.common.util.concurrent.Service

@InterfaceAudience.Private
public class VerifyWALEntriesReplicationEndpoint
extends BaseReplicationEndpoint

A dummy ReplicationEndpoint that replicates nothing.

Mainly used by ITBLL to check whether all the entries in WAL files are fine, since for normal case, we will only read the WAL files when there are region servers crash and we need to split the log, but for replication we will read all the entries and pass them to the ReplicationEndpoint, so setting up a replication peer can help finding out whether there are broken entries in WAL files.

嵌套类概要

从接口继承的嵌套类/接口 org.apache.hadoop.hbase.replication.ReplicationEndpoint

ReplicationEndpoint.Context, ReplicationEndpoint.ReplicateContext

从接口继承的嵌套类/接口 org.apache.hbase.thirdparty.com.google.common.util.concurrent.Service

org.apache.hbase.thirdparty.com.google.common.util.concurrent.Service.Listener, org.apache.hbase.thirdparty.com.google.common.util.concurrent.Service.State

字段概要

从类继承的字段 org.apache.hadoop.hbase.replication.BaseReplicationEndpoint

ctx, REPLICATION_WALENTRYFILTER_CONFIG_KEY

构造器概要

构造器

构造器和说明
VerifyWALEntriesReplicationEndpoint()

方法概要

限定符和类型	方法和说明
boolean	canReplicateToSameCluster() Whether or not, the replication endpoint can replicate to it's source cluster with the same UUID
protected void	doStart()
protected void	doStop()
UUID	getPeerUUID() Returns a UUID of the provided peer id.
WALEntryFilter	getWALEntryfilter() Returns a default set of filters
boolean	replicate(ReplicationEndpoint.ReplicateContext replicateContext) Replicate the given set of entries (in the context) to the other cluster.
void	start() Initiates service startup and returns immediately.
void	stop() If the service is starting or running, this initiates service shutdown and returns immediately.

从类继承的方法 org.apache.hadoop.hbase.replication.BaseReplicationEndpoint

getNamespaceTableCfWALEntryFilter, getScopeWALEntryFilter, init, isStarting, peerConfigUpdated

从类继承的方法 org.apache.hbase.thirdparty.com.google.common.util.concurrent.AbstractService

addListener, awaitRunning, awaitRunning, awaitTerminated, awaitTerminated, doCancelStart, failureCause, isRunning, notifyFailed, notifyStarted, notifyStopped, startAsync, state, stopAsync, toString

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

从接口继承的方法 org.apache.hadoop.hbase.replication.ReplicationEndpoint

awaitRunning, awaitRunning, awaitTerminated, awaitTerminated, failureCause, isRunning

构造器详细资料

VerifyWALEntriesReplicationEndpoint

public VerifyWALEntriesReplicationEndpoint()

方法详细资料

canReplicateToSameCluster

public boolean canReplicateToSameCluster()

从接口复制的说明: ReplicationEndpoint

Whether or not, the replication endpoint can replicate to it's source cluster with the same UUID

指定者:

canReplicateToSameCluster 在接口中 ReplicationEndpoint

覆盖:

canReplicateToSameCluster 在类中 BaseReplicationEndpoint

getPeerUUID

public UUID getPeerUUID()

从接口复制的说明: ReplicationEndpoint

Returns a UUID of the provided peer id. Every HBase cluster instance has a persisted associated UUID. If the replication is not performed to an actual HBase cluster (but some other system), the UUID returned has to uniquely identify the connected target system.

返回:

a UUID or null if the peer cluster does not exist or is not connected.

getWALEntryfilter

public WALEntryFilter getWALEntryfilter()

从类复制的说明: BaseReplicationEndpoint

Returns a default set of filters

指定者:

getWALEntryfilter 在接口中 ReplicationEndpoint

覆盖:

getWALEntryfilter 在类中 BaseReplicationEndpoint

返回:

a WALEntryFilter or null.

replicate

public boolean replicate(ReplicationEndpoint.ReplicateContext replicateContext)

从接口复制的说明: ReplicationEndpoint

Replicate the given set of entries (in the context) to the other cluster. Can block until all the given entries are replicated. Upon this method is returned, all entries that were passed in the context are assumed to be persisted in the target cluster.

参数:

replicateContext - a context where WAL entries and other parameters can be obtained.

start

public void start()

从接口复制的说明: ReplicationEndpoint

Initiates service startup and returns immediately. A stopped service may not be restarted. Equivalent of startAsync call in Guava Service.

stop

public void stop()

从接口复制的说明: ReplicationEndpoint

If the service is starting or running, this initiates service shutdown and returns immediately. If the service has already been stopped, this method returns immediately without taking action. Equivalent of stopAsync call in Guava Service.

doStart

protected void doStart()

指定者:

doStart 在类中 org.apache.hbase.thirdparty.com.google.common.util.concurrent.AbstractService

doStop

protected void doStop()

指定者:

doStop 在类中 org.apache.hbase.thirdparty.com.google.common.util.concurrent.AbstractService