org.apache.jackrabbit.oak.spi.state

Class RevisionGC

java.lang.Object

org.apache.jackrabbit.oak.spi.state.RevisionGC

All Implemented Interfaces:

RevisionGCMBean

public class RevisionGC
extends Object
implements RevisionGCMBean

Default implementation of RevisionGCMBean based on a Runnable.

Field Summary

Fields

Modifier and Type	Field and Description
static String	OP_NAME

Fields inherited from interface org.apache.jackrabbit.oak.spi.state.RevisionGCMBean

TYPE

Constructor Summary

Constructors

Constructor and Description
RevisionGC(Runnable runGC, Runnable cancelGC, Executor executor)
RevisionGC(Runnable runGC, Runnable cancelGC, com.google.common.base.Supplier<String> statusMessage, Executor executor)

Method Summary

Modifier and Type	Method and Description
CompositeData	cancelRevisionGC() Cancel a running revision garbage collection operation.
CompositeData	getRevisionGCStatus() Revision garbage collection status
CompositeData	startRevisionGC() Initiate a revision garbage collection operation

Methods inherited from class java.lang.Object

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

Field Detail

OP_NAME

public static final String OP_NAME

See Also:

Constant Field Values

Constructor Detail

RevisionGC

public RevisionGC(@Nonnull
                  Runnable runGC,
                  @Nonnull
                  Runnable cancelGC,
                  @Nonnull
                  com.google.common.base.Supplier<String> statusMessage,
                  @Nonnull
                  Executor executor)

Parameters:

runGC - Revision garbage collector

cancelGC - Executor for cancelling the garbage collection task

statusMessage - an informal status message describing the status of the background operation at the time of invocation.

executor - Executor for initiating the garbage collection task

RevisionGC

public RevisionGC(@Nonnull
                  Runnable runGC,
                  @Nonnull
                  Runnable cancelGC,
                  @Nonnull
                  Executor executor)

Parameters:

runGC - Revision garbage collector

cancelGC - Executor for cancelling the garbage collection task

executor - Executor for initiating the garbage collection task

Method Detail

startRevisionGC

@Nonnull
public CompositeData startRevisionGC()

Description copied from interface: RevisionGCMBean

Initiate a revision garbage collection operation

Specified by:

startRevisionGC in interface RevisionGCMBean

Returns:

the status of the operation right after it was initiated

cancelRevisionGC

@Nonnull
public CompositeData cancelRevisionGC()

Description copied from interface: RevisionGCMBean

Cancel a running revision garbage collection operation. Does nothing if revision garbage collection is not running.

Specified by:

cancelRevisionGC in interface RevisionGCMBean

Returns:

the status of the operation right after it was initiated

getRevisionGCStatus

@Nonnull
public CompositeData getRevisionGCStatus()

Description copied from interface: RevisionGCMBean

Revision garbage collection status

Specified by:

getRevisionGCStatus in interface RevisionGCMBean

Returns:

the status of the ongoing operation or if none the terminal status of the last operation or Status not available if none.