org.apache.hadoop.hbase
Interface Coprocessor

@InterfaceAudience.Private
public interface Coprocessor

Coprocessor interface.

Nested Class Summary

static class

Coprocessor.State Lifecycle state of a given coprocessor instance.

Field Summary

static int	PRIORITY_HIGHEST Highest installation priority
static int	PRIORITY_LOWEST Lowest installation priority
static int	PRIORITY_SYSTEM High (system) installation priority
static int	PRIORITY_USER Default installation priority for user coprocessors
static int	VERSION

Method Summary

void	start(CoprocessorEnvironment env)
void	stop(CoprocessorEnvironment env)

Field Detail

VERSION

static final int VERSION

See Also:

Constant Field Values

PRIORITY_HIGHEST

static final int PRIORITY_HIGHEST

Highest installation priority

See Also:

Constant Field Values

PRIORITY_SYSTEM

static final int PRIORITY_SYSTEM

High (system) installation priority

See Also:

Constant Field Values

PRIORITY_USER

static final int PRIORITY_USER

Default installation priority for user coprocessors

See Also:

Constant Field Values

PRIORITY_LOWEST

static final int PRIORITY_LOWEST

Lowest installation priority

See Also:

Constant Field Values

Method Detail

start

void start(CoprocessorEnvironment env)
           throws IOException

Throws:

IOException

stop

void stop(CoprocessorEnvironment env)
          throws IOException

Throws:

IOException