Package org.apache.ignite.internal.processors.query.aware

Class IndexBuildStatusHolder

java.lang.Object

org.apache.ignite.internal.processors.query.aware.IndexBuildStatusHolder

public class IndexBuildStatusHolder
extends Object

Cache index build status. The following operations affect the status: rebuilding indexes and building a new index.

If the operation starts executing, then the status is INIT. If all operations are completed, then the status is COMPLETED. Status DELETE is used for persistent cache to mark at the beginning of a checkpoint that all operations have been completed and they will be committed to it.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	IndexBuildStatusHolder.Status	Enumeration of statuses.

Constructor Summary

Constructors

Constructor	Description
IndexBuildStatusHolder(boolean persistent, boolean rebuild, boolean recreate)	Constructor.

Method Summary

Modifier and Type	Method	Description
int	buildNewIndexes()	Getting the count of new indexes that are currently being built.
boolean	delete()	Change of status to IndexBuildStatusHolder.Status.DELETE if the current status is IndexBuildStatusHolder.Status.COMPLETE.
IndexBuildStatusHolder.Status	onFinishOperation(boolean rebuild)	Callback on the finish of the operation.
void	onStartOperation(boolean rebuild, boolean recreate)	Callback on the start of of the operation.
boolean	persistent()	Checking if the cache is persistent.
boolean	rebuild()	Checking whether rebuilding indexes is in progress.
boolean	recreate()
IndexBuildStatusHolder.Status	status()	Getting the current status.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexBuildStatusHolder

public IndexBuildStatusHolder(boolean persistent,
                              boolean rebuild,
                              boolean recreate)

Constructor.

Parameters:

persistent - Persistent cache.

rebuild - True if rebuilding indexes, otherwise building a new index.

recreate - True if index.bin recreating, otherwise building a new index.

Method Detail

onStartOperation

public void onStartOperation(boolean rebuild,
                             boolean recreate)

Callback on the start of of the operation.

Parameters:

rebuild - True if rebuilding indexes, otherwise building a new index.

recreate - True if index.bin recreating, false otherwise.

See Also:

onFinishOperation(boolean)

onFinishOperation

public IndexBuildStatusHolder.Status onFinishOperation(boolean rebuild)

Callback on the finish of the operation.

Parameters:

rebuild - True if rebuilding indexes, otherwise building a new index.

Returns:

Current status.

See Also:

onStartOperation(boolean, boolean)

delete

public boolean delete()

Change of status to IndexBuildStatusHolder.Status.DELETE if the current status is IndexBuildStatusHolder.Status.COMPLETE. Note that this will only be for persistent cache.

Returns:

True if successful.

status

public IndexBuildStatusHolder.Status status()

Getting the current status.

Returns:

Current status.

rebuild

public boolean rebuild()

Checking whether rebuilding indexes is in progress.

Returns:

True if in progress.

recreate

public boolean recreate()

Returns:

True if index.bin recreating, otherwise building a new index.

buildNewIndexes

public int buildNewIndexes()

Getting the count of new indexes that are currently being built.

Returns:

Count of new indexes being built.

persistent

public boolean persistent()

Checking if the cache is persistent.

Returns:

True if persistent.

toString

public String toString()

Overrides:

toString in class Object