hex.faulttolerance

Class Recovery<T extends Keyed>

java.lang.Object

hex.faulttolerance.Recovery<T>

public class Recovery<T extends Keyed>
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Recovery.ReferenceType

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	REFERENCES_META_FILE_SUFFIX

Constructor Summary

Constructors

Constructor and Description
Recovery(java.lang.String storagePath)

Method Summary

Modifier and Type	Method and Description
void	exportReferences(Recoverable<T> r) Saves all of the keyed objects used by this Grid's params.
void	loadReferences(Recoverable<T> r)
void	onDone(Recoverable<T> r) Called by the recoverable that the training was finished successfully.
void	onModel(Recoverable<T> r, Key<Model> modelKey) Called by the Recoverable to notify of new model was trained and needs to persisted
void	onStart(Recoverable<T> r) Called when the training begins, so that initial state can be persisted
java.lang.String	referencesMetaFile(Recoverable<T> r)

Methods inherited from class java.lang.Object

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

Field Detail

REFERENCES_META_FILE_SUFFIX

public static final java.lang.String REFERENCES_META_FILE_SUFFIX

See Also:

Constant Field Values

Constructor Detail

Recovery

public Recovery(java.lang.String storagePath)

Parameters:

storagePath - directory to use as base for recovery snapshots

Method Detail

referencesMetaFile

public java.lang.String referencesMetaFile(Recoverable<T> r)

onStart

public void onStart(Recoverable<T> r)

Called when the training begins, so that initial state can be persisted

Parameters:

r - a Recoverable to persist

onModel

public void onModel(Recoverable<T> r,
                    Key<Model> modelKey)

Called by the Recoverable to notify of new model was trained and needs to persisted

Parameters:

r - a Recoverable to update

modelKey - key of the newly trained model

onDone

public void onDone(Recoverable<T> r)

Called by the recoverable that the training was finished successfully. This means that recovery snapshots (persisted data) is no longer needed and can be deleted.

exportReferences

public void exportReferences(Recoverable<T> r)

Saves all of the keyed objects used by this Grid's params. Files are named by objects' keys.

loadReferences

public void loadReferences(Recoverable<T> r)