org.apache.hadoop.hbase

Interface CoprocessorEnvironment

All Known Subinterfaces:

MasterCoprocessorEnvironment, RegionCoprocessorEnvironment, RegionServerCoprocessorEnvironment, WALCoprocessorEnvironment

All Known Implementing Classes:

CoprocessorHost.Environment

@InterfaceAudience.Private
public interface CoprocessorEnvironment

Coprocessor environment state.

Method Summary

Modifier and Type	Method and Description
ClassLoader	getClassLoader()
Configuration	getConfiguration()
String	getHBaseVersion()
Coprocessor	getInstance()
int	getLoadSequence()
int	getPriority()
HTableInterface	getTable(TableName tableName)
HTableInterface	getTable(TableName tableName, ExecutorService service)
int	getVersion()

Method Detail

getVersion

int getVersion()

Returns:

the Coprocessor interface version

getHBaseVersion

String getHBaseVersion()

Returns:

the HBase version as a string (e.g. "0.21.0")

getInstance

Coprocessor getInstance()

Returns:

the loaded coprocessor instance

getPriority

int getPriority()

Returns:

the priority assigned to the loaded coprocessor

getLoadSequence

int getLoadSequence()

Returns:

the load sequence number

getConfiguration

Configuration getConfiguration()

Returns:

the configuration

getTable

HTableInterface getTable(TableName tableName)
                  throws IOException

Returns:

an interface for accessing the given table

Throws:

IOException

getTable

HTableInterface getTable(TableName tableName,
                         ExecutorService service)
                  throws IOException

Returns:

an interface for accessing the given table using the passed executor to run batch operations

Throws:

IOException

getClassLoader

ClassLoader getClassLoader()

Returns:

the classloader for the loaded coprocessor instance