Package org.apache.accumulo.server.replication

Class ReplicationUtil

java.lang.Object

org.apache.accumulo.server.replication.ReplicationUtil

public class ReplicationUtil
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static String	STATUS_FORMATTER_CLASS_NAME

Constructor Summary

Constructors

Constructor	Description
ReplicationUtil(AccumuloServerContext context)
ReplicationUtil(AccumuloServerContext context, ZooCache cache, ReplicaSystemFactory factory)

Method Summary

Modifier and Type	Method	Description
String	getAbsolutePath(Connector conn, String workQueuePath, String queueKey)	Fetches the absolute path of the file to be replicated.
int	getMaxReplicationThreads(MasterMonitorInfo mmi)
Map<String,String>	getPeers()	Extract replication peers from system configuration
Set<org.apache.hadoop.fs.Path>	getPendingReplicationPaths()
Map<ReplicationTarget,Long>	getPendingReplications()
String	getProgress(Connector conn, String path, ReplicationTarget target)	Compute a progress string for the replication of the given WAL
Set<ReplicationTarget>	getReplicationTargets()
Map<String,String>	invert(Map<String,String> map)

Methods inherited from class java.lang.Object

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

Field Detail

STATUS_FORMATTER_CLASS_NAME

public static final String STATUS_FORMATTER_CLASS_NAME

Constructor Detail

ReplicationUtil

public ReplicationUtil(AccumuloServerContext context)

ReplicationUtil

public ReplicationUtil(AccumuloServerContext context,
                       ZooCache cache,
                       ReplicaSystemFactory factory)

Method Detail

getMaxReplicationThreads

public int getMaxReplicationThreads(MasterMonitorInfo mmi)

getPeers

public Map<String,String> getPeers()

Extract replication peers from system configuration

Returns:

Configured replication peers

getReplicationTargets

public Set<ReplicationTarget> getReplicationTargets()

getPendingReplications

public Map<ReplicationTarget,Long> getPendingReplications()

getPendingReplicationPaths

public Set<org.apache.hadoop.fs.Path> getPendingReplicationPaths()

getAbsolutePath

public String getAbsolutePath(Connector conn,
                              String workQueuePath,
                              String queueKey)

Fetches the absolute path of the file to be replicated.

Parameters:

conn - Accumulo Connector

workQueuePath - Root path for the Replication WorkQueue

queueKey - The Replication work queue key

Returns:

The absolute path for the file, or null if the key is no longer in ZooKeeper

getProgress

public String getProgress(Connector conn,
                          String path,
                          ReplicationTarget target)

Compute a progress string for the replication of the given WAL

Parameters:

conn - Accumulo Connector

path - Absolute path to a WAL, or null

target - ReplicationTarget the WAL is being replicated to

Returns:

A status message for a file being replicated

invert

public Map<String,String> invert(Map<String,String> map)