org.apache.hadoop.hbase.procedure2.store.region

Class RegionProcedureStore

java.lang.Object

org.apache.hadoop.hbase.procedure2.store.ProcedureStoreBase

org.apache.hadoop.hbase.procedure2.store.region.RegionProcedureStore

All Implemented Interfaces:

ProcedureStore

@InterfaceAudience.Private
public class RegionProcedureStore
extends ProcedureStoreBase

A procedure store which uses the master local store to store all the procedures.

We use proc:d column to store the serialized protobuf format procedure, and when deleting we will first fill the proc:d column with an empty byte array, and then actually delete them in the cleanup() method. This is because that we need to retain the max procedure id, so we can not directly delete a procedure row as we do not know if it is the one with the max procedure id.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.procedure2.store.ProcedureStore

ProcedureStore.ProcedureIterator, ProcedureStore.ProcedureLoader, ProcedureStore.ProcedureStoreListener

Constructor Summary

Constructors

Constructor and Description
RegionProcedureStore(Server server, MasterRegion region, LeaseRecovery leaseRecovery)

Method Summary

Modifier and Type	Method and Description
void	cleanup()
void	delete(long procId)
void	delete(long[] procIds, int offset, int count)
void	delete(Procedure<?> parentProc, long[] subProcIds)
int	getNumThreads()
void	insert(Procedure<?>[] procs)
void	insert(Procedure<?> proc, Procedure<?>[] subProcs)
void	load(ProcedureStore.ProcedureLoader loader)
void	recoverLease()
int	setRunningProcedureCount(int count)
void	start(int numThreads)
void	stop(boolean abort)
void	update(Procedure<?> proc)

Methods inherited from class org.apache.hadoop.hbase.procedure2.store.ProcedureStoreBase

isRunning, registerListener, sendAbortProcessSignal, sendForceUpdateSignal, sendPostSyncSignal, setRunning, unregisterListener

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RegionProcedureStore

public RegionProcedureStore(Server server,
                            MasterRegion region,
                            LeaseRecovery leaseRecovery)

Method Detail

start

public void start(int numThreads)
           throws IOException

Throws:

IOException

stop

public void stop(boolean abort)

getNumThreads

public int getNumThreads()

setRunningProcedureCount

public int setRunningProcedureCount(int count)

recoverLease

public void recoverLease()
                  throws IOException

Throws:

IOException

load

public void load(ProcedureStore.ProcedureLoader loader)
          throws IOException

Throws:

IOException

insert

public void insert(Procedure<?> proc,
                   Procedure<?>[] subProcs)

insert

public void insert(Procedure<?>[] procs)

update

public void update(Procedure<?> proc)

delete

public void delete(long procId)

delete

public void delete(Procedure<?> parentProc,
                   long[] subProcIds)

delete

public void delete(long[] procIds,
                   int offset,
                   int count)

cleanup

public void cleanup()