Package adams.flow.core

Class AbstractModelLoader<T>

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.flow.core.AbstractModelLoader<T>

Type Parameters:

T - the type of model

All Implemented Interfaces:

Destroyable, GlobalInfoSupporter, ModelFileHandler, LoggingLevelHandler, LoggingSupporter, OptionHandler, SizeOfHandler, FlowContextHandler, Serializable

Direct Known Subclasses:

WekaClassifierModelLoader, WekaClustererModelLoader, WekaFilterModelLoader

public abstract class AbstractModelLoader<T>
extends AbstractOptionHandler
implements FlowContextHandler, ModelFileHandler

Ancestor for model loaders.

Author:

FracPete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AbstractModelLoader.ModelLoadingType	The enumeration for the loading type.

Field Summary

Fields

Modifier and Type	Field	Description
protected Actor	m_FlowContext	the flow context.
protected CallableActorHelper	m_Helper	for locating callable actors.
protected T	m_Model	the model.
protected CallableActorReference	m_ModelActor	the model actor.
protected PlaceholderFile	m_ModelFile	the mode file.
protected AbstractModelLoader.ModelLoadingType	m_ModelLoadingType	the loading type.
protected StorageName	m_ModelStorage	the model storage.

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Constructor Summary

Constructors

Constructor	Description
AbstractModelLoader()

Method Summary

Modifier and Type	Method	Description
String	automaticOrderInfo()	Returns information how the model is loaded in case of AbstractModelLoader.ModelLoadingType.AUTO.
void	defineOptions()	Adds options to the internal list of options.
protected Object	deserializeFile(MessageCollection errors)	Deserializes the model file.
Actor	getFlowContext()	Returns the flow context, if any.
T	getModel(MessageCollection errors)	Obtains the model, loads it if necessary.
CallableActorReference	getModelActor()	Returns the callable actor to obtain the model from.
PlaceholderFile	getModelFile()	Returns the file to load the model from.
protected abstract T	getModelFromContainer(AbstractContainer cont, MessageCollection errors)	Retrieves the model from the container.
AbstractModelLoader.ModelLoadingType	getModelLoadingType()	Returns the loading type.
StorageName	getModelStorage()	Returns the storage item name to get the model from.
protected void	initialize()	Initializes the members.
protected T	loadAutomatically(MessageCollection errors)	Loads the model automatically from file/callable actor/storage.
protected T	loadFromCallableActor(MessageCollection errors)	Loads the model from the callable actor.
protected T	loadFromFile(MessageCollection errors)	Loads the model from the specified file.
protected T	loadFromStorage(MessageCollection errors)	Loads the model from the storage item.
String	modelActorTipText()	Returns the tip text for this property.
String	modelFileTipText()	Returns the tip text for this property.
String	modelLoadingTypeTipText()	Returns the tip text for this property.
String	modelStorageTipText()	Returns the tip text for this property.
void	reset()	Resets the scheme.
void	setFlowContext(Actor value)	Sets the flow context.
void	setModelActor(CallableActorReference value)	Sets the callable actor to obtain the model from.
void	setModelFile(PlaceholderFile value)	Sets the file to load the model from.
void	setModelLoadingType(AbstractModelLoader.ModelLoadingType value)	Sets the loading type.
void	setModelStorage(StorageName value)	Sets the storage item name to get the model from.
protected void	unhandledContainer(AbstractContainer cont, MessageCollection errors)	Adds an "unhandled container type" error message.
protected T	unwrapModel(Object obj, MessageCollection errors)	Unwraps the model if necessary.

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, destroy, finishInit, getDefaultLoggingLevel, getOptionManager, globalInfo, loggingLevelTipText, newOptionManager, setLoggingLevel, toCommandLine, toString

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

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

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel

Field Detail

m_FlowContext

protected Actor m_FlowContext

the flow context.

m_ModelLoadingType

protected AbstractModelLoader.ModelLoadingType m_ModelLoadingType

the loading type.

m_ModelFile

protected PlaceholderFile m_ModelFile

the mode file.

m_ModelActor

protected CallableActorReference m_ModelActor

the model actor.

m_ModelStorage

protected StorageName m_ModelStorage

the model storage.

m_Model

protected T m_Model

the model.

m_Helper

protected CallableActorHelper m_Helper

for locating callable actors.

Constructor Detail

AbstractModelLoader

public AbstractModelLoader()

Method Detail

automaticOrderInfo

public String automaticOrderInfo()

Returns information how the model is loaded in case of AbstractModelLoader.ModelLoadingType.AUTO.

Returns:

the description

defineOptions

public void defineOptions()

Adds options to the internal list of options.

Specified by:

defineOptions in interface OptionHandler

Overrides:

defineOptions in class AbstractOptionHandler

initialize

protected void initialize()

Initializes the members.

Overrides:

initialize in class AbstractOptionHandler

reset

public void reset()

Resets the scheme.

Overrides:

reset in class AbstractOptionHandler

setFlowContext

public void setFlowContext(Actor value)

Sets the flow context.

Specified by:

setFlowContext in interface FlowContextHandler

Parameters:

value - the actor

getFlowContext

public Actor getFlowContext()

Returns the flow context, if any.

Specified by:

getFlowContext in interface FlowContextHandler

Returns:

the actor, null if none available

setModelLoadingType

public void setModelLoadingType(AbstractModelLoader.ModelLoadingType value)

Sets the loading type. In case of AbstractModelLoader.ModelLoadingType.AUTO, first file, then callable actor, then storage.

Parameters:

value - the type

getModelLoadingType

public AbstractModelLoader.ModelLoadingType getModelLoadingType()

Returns the loading type. In case of AbstractModelLoader.ModelLoadingType.AUTO, first file, then callable actor, then storage.

Returns:

the type

modelLoadingTypeTipText

public String modelLoadingTypeTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

setModelFile

public void setModelFile(PlaceholderFile value)

Sets the file to load the model from.

Specified by:

setModelFile in interface ModelFileHandler

Parameters:

value - the model file

getModelFile

public PlaceholderFile getModelFile()

Returns the file to load the model from.

Specified by:

getModelFile in interface ModelFileHandler

Returns:

the model file

modelFileTipText

public String modelFileTipText()

Returns the tip text for this property.

Specified by:

modelFileTipText in interface ModelFileHandler

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

setModelActor

public void setModelActor(CallableActorReference value)

Sets the callable actor to obtain the model from.

Parameters:

value - the actor reference

getModelActor

public CallableActorReference getModelActor()

Returns the callable actor to obtain the model from.

Returns:

the actor reference

modelActorTipText

public String modelActorTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

setModelStorage

public void setModelStorage(StorageName value)

Sets the storage item name to get the model from.

Parameters:

value - the storage name

getModelStorage

public StorageName getModelStorage()

Returns the storage item name to get the model from.

Returns:

the storage name

modelStorageTipText

public String modelStorageTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

unhandledContainer

protected void unhandledContainer(AbstractContainer cont,
                                  MessageCollection errors)

Adds an "unhandled container type" error message.

Parameters:

cont - the unhandled container type

errors - the errors to update

getModelFromContainer

protected abstract T getModelFromContainer(AbstractContainer cont,
                                           MessageCollection errors)

Retrieves the model from the container.

Parameters:

cont - the container to get the model from

errors - for collecting errors

Returns:

the model, null if not in container

unwrapModel

protected T unwrapModel(Object obj,
                        MessageCollection errors)

Unwraps the model if necessary.

Parameters:

obj - the model to process

errors - for collecting errors

Returns:

the unwrapped model, null if failed or input was null

deserializeFile

protected Object deserializeFile(MessageCollection errors)

Deserializes the model file.

Parameters:

errors - for collecting errors

Returns:

the object read from the file, null if failed

loadFromFile

protected T loadFromFile(MessageCollection errors)

Loads the model from the specified file.

Parameters:

errors - for collecting errors

Returns:

the model, null if failed to load

loadFromCallableActor

protected T loadFromCallableActor(MessageCollection errors)

Loads the model from the callable actor.

Parameters:

errors - for collecting errors

Returns:

the model, null if failed to load

loadFromStorage

protected T loadFromStorage(MessageCollection errors)

Loads the model from the storage item.

Parameters:

errors - for collecting errors

Returns:

the model, null if failed to load

loadAutomatically

protected T loadAutomatically(MessageCollection errors)

Loads the model automatically from file/callable actor/storage.

Parameters:

errors - for collecting errors

Returns:

the model, null if failed

getModel

public T getModel(MessageCollection errors)

Obtains the model, loads it if necessary.

Parameters:

errors - for collecting errors

Returns:

the model, null if failed to load