org.apache.accumulo.cluster

Interface AccumuloCluster

All Known Implementing Classes:

MiniAccumuloClusterImpl, StandaloneAccumuloCluster

public interface AccumuloCluster

Defines a minimum required set of methods to run an Accumulo cluster. (Experimental, not guaranteed to stay backwards compatible)

Since:

1.6.0

Method Summary

Modifier and Type	Method and Description
ClientConfiguration	getClientConfig() Get the client configuration for the cluster
ClusterControl	getClusterControl() Get an object that can manage a cluster
Connector	getConnector(String user, AuthenticationToken token) Utility method to get a connector to the cluster.
org.apache.hadoop.fs.FileSystem	getFileSystem()
String	getInstanceName()
AccumuloConfiguration	getSiteConfiguration() Get server side config derived from accumulo-site.xml
org.apache.hadoop.fs.Path	getTemporaryPath()
String	getZooKeepers()
void	start() Start the AccumuloCluster
void	stop() Stop the AccumuloCluster

Method Detail

getInstanceName

String getInstanceName()

Returns:

Accumulo instance name

getZooKeepers

String getZooKeepers()

Returns:

zookeeper connection string

getConnector

Connector getConnector(String user,
                       AuthenticationToken token)
                throws AccumuloException,
                       AccumuloSecurityException

Utility method to get a connector to the cluster.

Throws:

AccumuloException

AccumuloSecurityException

getClientConfig

ClientConfiguration getClientConfig()

Get the client configuration for the cluster

getSiteConfiguration

AccumuloConfiguration getSiteConfiguration()

Get server side config derived from accumulo-site.xml

getClusterControl

ClusterControl getClusterControl()

Get an object that can manage a cluster

Returns:

Manage the state of the cluster

start

void start()
    throws Exception

Start the AccumuloCluster

Throws:

Exception

stop

void stop()
   throws Exception

Stop the AccumuloCluster

Throws:

Exception

getFileSystem

org.apache.hadoop.fs.FileSystem getFileSystem()
                                       throws IOException

Returns:

the FileSystem in use by this cluster

Throws:

IOException

getTemporaryPath

org.apache.hadoop.fs.Path getTemporaryPath()

Returns:

A path on FileSystem this cluster is running on that can be used for temporary files