org.apache.hadoop.hbase.master.procedure

Class DisableTableProcedure

java.lang.Object

org.apache.hadoop.hbase.procedure2.Procedure<TEnvironment>

org.apache.hadoop.hbase.procedure2.StateMachineProcedure<MasterProcedureEnv,TState>

org.apache.hadoop.hbase.master.procedure.AbstractStateMachineTableProcedure<org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState>

org.apache.hadoop.hbase.master.procedure.DisableTableProcedure

All Implemented Interfaces:

Comparable<Procedure<MasterProcedureEnv>>, TableProcedureInterface

@InterfaceAudience.Private
public class DisableTableProcedure
extends AbstractStateMachineTableProcedure<org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.procedure2.StateMachineProcedure

StateMachineProcedure.Flow

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.procedure2.Procedure

Procedure.LockState

Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.master.procedure.TableProcedureInterface

TableProcedureInterface.TableOperationType

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	LOG
private boolean	skipTableStateCheck
private TableName	tableName
private Boolean	traceEnabled

Fields inherited from class org.apache.hadoop.hbase.procedure2.StateMachineProcedure

stateCount

Fields inherited from class org.apache.hadoop.hbase.procedure2.Procedure

NO_PROC_ID, NO_TIMEOUT

Constructor Summary

Constructors

Constructor and Description
DisableTableProcedure()
DisableTableProcedure(MasterProcedureEnv env, TableName tableName, boolean skipTableStateCheck) Constructor
DisableTableProcedure(MasterProcedureEnv env, TableName tableName, boolean skipTableStateCheck, ProcedurePrepareLatch syncLatch) Constructor

Method Summary

Modifier and Type	Method and Description
protected void	deserializeStateData(ProcedureStateSerializer serializer) Called on store load to allow the user to decode the previously serialized state.
protected StateMachineProcedure.Flow	executeFromState(MasterProcedureEnv env, org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state) called to perform a single step of the specified 'state' of the procedure
protected org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState	getInitialState() Return the initial state object that will be used for the first call to executeFromState().
protected org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState	getState(int stateId) Convert an ordinal (or state id) to an Enum (or more descriptive) state object.
protected int	getStateId(org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state) Convert the Enum (or more descriptive) state object to an ordinal (or state id).
TableName	getTableName()
TableProcedureInterface.TableOperationType	getTableOperationType() Given an operation type we can take decisions about what to do with pending operations.
protected boolean	isRollbackSupported(org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state) Used by the default implementation of abort() to know if the current state can be aborted and rollback can be triggered.
private Boolean	isTraceEnabled() The procedure could be restarted from a different machine.
protected void	postDisable(MasterProcedureEnv env, org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state) Action after disabling table.
protected void	preDisable(MasterProcedureEnv env, org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state) Action before disabling table.
private boolean	prepareDisable(MasterProcedureEnv env) Action before any real action of disabling table.
protected void	rollbackState(MasterProcedureEnv env, org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state) called to perform the rollback of the specified state
private void	runCoprocessorAction(MasterProcedureEnv env, org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state) Coprocessor Action.
protected void	serializeStateData(ProcedureStateSerializer serializer) The user-level code of the procedure may have some state to persist (e.g.
protected static void	setTableStateToDisabled(MasterProcedureEnv env, TableName tableName) Mark table state to Disabled
protected static void	setTableStateToDisabling(MasterProcedureEnv env, TableName tableName) Mark table state to Disabling

Methods inherited from class org.apache.hadoop.hbase.master.procedure.AbstractStateMachineTableProcedure

acquireLock, checkOnline, checkTableModifiable, getUser, getWALRegionDir, preflightChecks, releaseLock, releaseSyncLatch, setUser, toStringClassDetails, waitInitialized

Methods inherited from class org.apache.hadoop.hbase.procedure2.StateMachineProcedure

abort, addChildProcedure, execute, failIfAborted, getCurrentState, getCurrentStateId, getCycles, isEofState, isYieldAfterExecutionStep, isYieldBeforeExecuteFromState, rollback, setNextState, toStringState

Methods inherited from class org.apache.hadoop.hbase.procedure2.Procedure

addStackIndex, afterReplay, beforeReplay, bypass, compareTo, completionCleanup, doExecute, doRollback, elapsedTime, getChildrenLatch, getException, getLastUpdate, getNonceKey, getOwner, getParentProcId, getProcedureMetrics, getProcId, getProcIdHashCode, getProcName, getResult, getRootProcedureId, getRootProcId, getStackIndexes, getState, getSubmittedTime, getTimeout, getTimeoutTimestamp, hasChildren, hasException, hasLock, hasOwner, hasParent, hasTimeout, haveSameParent, holdLock, incChildrenLatch, isBypass, isFailed, isFinished, isInitializing, isLockedWhenLoading, isRunnable, isSuccess, isWaiting, removeStackIndex, setAbortFailure, setChildrenLatch, setFailure, setFailure, setLastUpdate, setNonceKey, setOwner, setOwner, setParentProcId, setProcId, setResult, setRootProcId, setStackIndexes, setState, setSubmittedTime, setTimeout, setTimeoutFailure, shouldWaitClientAck, skipPersistence, toString, toStringClass, toStringDetails, toStringSimpleSB, updateMetricsOnFinish, updateMetricsOnSubmit, updateTimestamp, wasExecuted

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final org.slf4j.Logger LOG

tableName

private TableName tableName

skipTableStateCheck

private boolean skipTableStateCheck

traceEnabled

private Boolean traceEnabled

Constructor Detail

DisableTableProcedure

public DisableTableProcedure()

DisableTableProcedure

public DisableTableProcedure(MasterProcedureEnv env,
                             TableName tableName,
                             boolean skipTableStateCheck)
                      throws HBaseIOException

Constructor

Parameters:

env - MasterProcedureEnv

tableName - the table to operate on

skipTableStateCheck - whether to check table state

Throws:

HBaseIOException

DisableTableProcedure

public DisableTableProcedure(MasterProcedureEnv env,
                             TableName tableName,
                             boolean skipTableStateCheck,
                             ProcedurePrepareLatch syncLatch)
                      throws HBaseIOException

Constructor

Parameters:

env - MasterProcedureEnv

tableName - the table to operate on

skipTableStateCheck - whether to check table state

Throws:

HBaseIOException

Method Detail

executeFromState

protected StateMachineProcedure.Flow executeFromState(MasterProcedureEnv env,
                                                      org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state)
                                               throws InterruptedException

Description copied from class: StateMachineProcedure

called to perform a single step of the specified 'state' of the procedure

Specified by:

executeFromState in class StateMachineProcedure<MasterProcedureEnv,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState>

state - state to execute

Returns:

Flow.NO_MORE_STATE if the procedure is completed, Flow.HAS_MORE_STATE if there is another step.

Throws:

InterruptedException

rollbackState

protected void rollbackState(MasterProcedureEnv env,
                             org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state)
                      throws IOException

Description copied from class: StateMachineProcedure

called to perform the rollback of the specified state

Specified by:

rollbackState in class StateMachineProcedure<MasterProcedureEnv,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState>

state - state to rollback

Throws:

IOException - temporary failure, the rollback will retry later

isRollbackSupported

protected boolean isRollbackSupported(org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state)

Description copied from class: StateMachineProcedure

Used by the default implementation of abort() to know if the current state can be aborted and rollback can be triggered.

Overrides:

isRollbackSupported in class StateMachineProcedure<MasterProcedureEnv,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState>

getState

protected org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState getState(int stateId)

Description copied from class: StateMachineProcedure

Convert an ordinal (or state id) to an Enum (or more descriptive) state object.

Specified by:

getState in class StateMachineProcedure<MasterProcedureEnv,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState>

Parameters:

stateId - the ordinal() of the state enum (or state id)

Returns:

the state enum object

getStateId

protected int getStateId(org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state)

Description copied from class: StateMachineProcedure

Convert the Enum (or more descriptive) state object to an ordinal (or state id).

Specified by:

getStateId in class StateMachineProcedure<MasterProcedureEnv,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState>

Parameters:

state - the state enum object

Returns:

stateId the ordinal() of the state enum (or state id)

getInitialState

protected org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState getInitialState()

Description copied from class: StateMachineProcedure

Return the initial state object that will be used for the first call to executeFromState().

Specified by:

getInitialState in class StateMachineProcedure<MasterProcedureEnv,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState>

Returns:

the initial state enum object

serializeStateData

protected void serializeStateData(ProcedureStateSerializer serializer)
                           throws IOException

Description copied from class: Procedure

The user-level code of the procedure may have some state to persist (e.g. input arguments or current position in the processing state) to be able to resume on failure.

Overrides:

serializeStateData in class StateMachineProcedure<MasterProcedureEnv,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState>

Parameters:

serializer - stores the serializable state

Throws:

IOException

deserializeStateData

protected void deserializeStateData(ProcedureStateSerializer serializer)
                             throws IOException

Description copied from class: Procedure

Called on store load to allow the user to decode the previously serialized state.

Overrides:

deserializeStateData in class StateMachineProcedure<MasterProcedureEnv,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState>

Parameters:

serializer - contains the serialized state

Throws:

IOException

getTableName

public TableName getTableName()

Specified by:

getTableName in interface TableProcedureInterface

Specified by:

getTableName in class AbstractStateMachineTableProcedure<org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState>

Returns:

the name of the table the procedure is operating on

getTableOperationType

public TableProcedureInterface.TableOperationType getTableOperationType()

Description copied from interface: TableProcedureInterface

Given an operation type we can take decisions about what to do with pending operations. e.g. if we get a delete and we have some table operation pending (e.g. add column) we can abort those operations.

Specified by:

getTableOperationType in interface TableProcedureInterface

Specified by:

getTableOperationType in class AbstractStateMachineTableProcedure<org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState>

Returns:

the operation type that the procedure is executing.

prepareDisable

private boolean prepareDisable(MasterProcedureEnv env)
                        throws IOException

Action before any real action of disabling table. Set the exception in the procedure instead of throwing it. This approach is to deal with backward compatible with 1.0.

Parameters:

env - MasterProcedureEnv

Throws:

IOException

preDisable

protected void preDisable(MasterProcedureEnv env,
                          org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state)
                   throws IOException,
                          InterruptedException

Action before disabling table.

Parameters:

env - MasterProcedureEnv

state - the procedure state

Throws:

IOException

InterruptedException

setTableStateToDisabling

protected static void setTableStateToDisabling(MasterProcedureEnv env,
                                               TableName tableName)
                                        throws IOException

Mark table state to Disabling

Parameters:

env - MasterProcedureEnv

Throws:

IOException

setTableStateToDisabled

protected static void setTableStateToDisabled(MasterProcedureEnv env,
                                              TableName tableName)
                                       throws IOException

Mark table state to Disabled

Parameters:

env - MasterProcedureEnv

Throws:

IOException

postDisable

protected void postDisable(MasterProcedureEnv env,
                           org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state)
                    throws IOException,
                           InterruptedException

Action after disabling table.

Parameters:

env - MasterProcedureEnv

state - the procedure state

Throws:

IOException

InterruptedException

isTraceEnabled

private Boolean isTraceEnabled()

The procedure could be restarted from a different machine. If the variable is null, we need to retrieve it.

Returns:

traceEnabled

runCoprocessorAction

private void runCoprocessorAction(MasterProcedureEnv env,
                                  org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState state)
                           throws IOException,
                                  InterruptedException

Coprocessor Action.

Parameters:

env - MasterProcedureEnv

state - the procedure state

Throws:

IOException

InterruptedException