org.apache.hadoop.hbase

Interface Coprocessor

All Known Subinterfaces:

BulkLoadObserver, EndpointObserver, MasterObserver, RegionObserver, RegionServerObserver, WALObserver

All Known Implementing Classes:

AccessController, AggregateImplementation, BaseMasterAndRegionObserver, BaseMasterObserver, BaseRegionObserver, BaseRegionServerObserver, BaseRowProcessorEndpoint, BaseWALObserver, BulkDeleteEndpoint, ColumnAggregationEndpoint, ColumnAggregationEndpointNullResponse, ColumnAggregationEndpointWithErrors, ConstraintProcessor, IntegrationTestBulkLoad.SlowMeCoproScanOperations, JMXListener, MultiRowMutationEndpoint, NoOpScanPolicyObserver, ProtobufCoprocessorService, RowCountEndpoint, SampleRegionWALObserver, SecureBulkLoadEndpoint, SecureTestUtil.MasterSyncObserver, SimpleRegionObserver, SimpleRegionObserver.Legacy, TestAccessController.PingCoprocessor, TestAccessController2.MyAccessController, TestAssignmentManagerOnCluster.MyRegionObserver, TestClientOperationInterrupt.TestCoprocessor, TestCoprocessorConfiguration.SystemCoprocessor, TestCoprocessorConfiguration.TableCoprocessor, TestCoprocessorInterface.CoprocessorII, TestCoprocessorInterface.CoprocessorImpl, TestCoprocessorScanPolicy.ScanObserver, TestCoprocessorStop.FooCoprocessor, TestEnableTableHandler.MasterSyncObserver, TestHBaseFsck.MasterSyncObserver, TestHCM.SleepAndFailFirstTime, TestHRegionServerBulkLoad.MyObserver, TestImportTSVWithOperationAttributes.OperationAttributesTestController, TestImportTSVWithTTLs.TTLCheckingObserver, TestMasterCoprocessorExceptionWithAbort.BuggyMasterObserver, TestMasterCoprocessorExceptionWithRemove.BuggyMasterObserver, TestMasterObserver.CPMasterObserver, TestMasterReplication.CoprocessorCounter, TestNamespaceAuditor.CPRegionServerObserver, TestNamespaceAuditor.CustomObserver, TestNamespaceAuditor.MasterSyncObserver, TestOpenTableInCoprocessor.CustomThreadPoolCoprocessor, TestOpenTableInCoprocessor.SendToOtherTableCoprocessor, TestRegionObserverBypass.TestCoprocessor, TestRegionObserverInterface.EvenOnlyCompactor, TestRegionObserverScannerOpenHook.EmptyRegionObsever, TestRegionObserverScannerOpenHook.NoDataFromCompaction, TestRegionObserverScannerOpenHook.NoDataFromFlush, TestRegionObserverScannerOpenHook.NoDataFromScan, TestRegionObserverStacking.ObserverA, TestRegionObserverStacking.ObserverB, TestRegionObserverStacking.ObserverC, TestRegionReplicaReplicationEndpointNoMaster.WALEditCopro, TestRegionServerCoprocessorExceptionWithAbort.BuggyRegionObserver, TestRegionServerCoprocessorExceptionWithAbort.FailedInitializationObserver, TestRegionServerCoprocessorExceptionWithRemove.BuggyRegionObserver, TestRegionServerObserver.CPRegionServerObserver, TestReplicasClient.SlowMeCopro, TestReplicationWithTags.TestCoprocessorForTagsAtSink, TestReplicationWithTags.TestCoprocessorForTagsAtSource, TestReplicaWithCluster.SlowMeCopro, TestRowProcessorEndpoint.RowProcessorEndpoint, TestScannerRetriableFailure.FaultyScannerObserver, TestServerCustomProtocol.PingHandler, TestSnapshotClientRetries.MasterSyncObserver, TestSplitTransaction.CustomObserver, TestSplitTransactionOnCluster.FailingSplitRegionObserver, TestSplitTransactionOnCluster.MockedRegionObserver, TestTableLockManager.TestAlterAndDisableMasterObserver, TestTableLockManager.TestLockTimeoutExceptionMasterObserver, TestTags.TestCoprocessorForTags, TestVisibilityLabelsReplication.SimpleCP, TestVisibilityLabelsReplication.TestCoprocessorForTagsAtSink, TokenProvider, VisibilityController, VisibilityController.VisibilityReplication, WriteSinkCoprocessor, ZooKeeperScanPolicyObserver

@InterfaceAudience.Private
public interface Coprocessor

Coprocessor interface.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	Coprocessor.State Lifecycle state of a given coprocessor instance.

Field Summary

Fields

Modifier and Type	Field and Description
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

Modifier and Type	Method and Description
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