Package org.apache.hadoop.hbase

Interface CoprocessorEnvironment<C extends Coprocessor>

All Known Subinterfaces:

MasterCoprocessorEnvironment, RegionCoprocessorEnvironment, RegionServerCoprocessorEnvironment, RpcCoprocessorEnvironment, WALCoprocessorEnvironment

All Known Implementing Classes:

BaseEnvironment, MasterCoprocessorHost.MasterEnvironment, MasterCoprocessorHost.MasterEnvironmentForCoreCoprocessors, RegionCoprocessorHost.RegionEnvironment, RegionCoprocessorHost.RegionEnvironmentForCoreCoprocessors, RegionServerCoprocessorHost.RegionServerEnvironment, RegionServerCoprocessorHost.RegionServerEnvironmentForCoreCoprocessors, RpcCoprocessorHost.RpcEnvironment, WALCoprocessorHost.WALEnvironment

@LimitedPrivate("Coprocesssor")
@Evolving
public interface CoprocessorEnvironment<C extends Coprocessor>

Coprocessor environment state.

Method Summary

Modifier and Type	Method	Description
ClassLoader	getClassLoader()	Returns the classloader for the loaded coprocessor instance
org.apache.hadoop.conf.Configuration	getConfiguration()	Returns a Read-only Configuration; throws UnsupportedOperationException if you try to set a configuration.
String	getHBaseVersion()	Returns the HBase version as a string (e.g.
C	getInstance()	Returns the loaded coprocessor instance
int	getLoadSequence()	Returns the load sequence number
int	getPriority()	Returns the priority assigned to the loaded coprocessor
int	getVersion()	Returns the Coprocessor interface version

Method Details

getVersion

int getVersion()

Returns the Coprocessor interface version

getHBaseVersion

String getHBaseVersion()

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

getInstance

C 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

org.apache.hadoop.conf.Configuration getConfiguration()

Returns a Read-only Configuration; throws UnsupportedOperationException if you try to set a configuration.

getClassLoader

ClassLoader getClassLoader()

Returns the classloader for the loaded coprocessor instance