Package org.camunda.bpm.engine.impl.persistence.entity.util

Class TypedValueField

java.lang.Object

org.camunda.bpm.engine.impl.persistence.entity.util.TypedValueField

All Implemented Interfaces:

DbEntityLifecycleAware, CommandContextListener

public class TypedValueField
extends Object
implements DbEntityLifecycleAware, CommandContextListener

A field what provide a typed version of a value. It can be used in an entity which implements ValueFields.

Author:

Philipp Ossler

Field Summary

Fields

Modifier and Type	Field	Description
protected TypedValue	cachedValue
protected String	errorMessage
protected static EnginePersistenceLogger	LOG
protected boolean	notifyOnImplicitUpdates
protected TypedValueSerializer<?>	serializer
protected String	serializerName
protected List<TypedValueUpdateListener>	updateListeners
protected ValueFields	valueFields

Constructor Summary

Constructors

Constructor	Description
TypedValueField(ValueFields valueFields, boolean notifyOnImplicitUpdates)

Method Summary

Modifier and Type	Method	Description
void	addImplicitUpdateListener(TypedValueUpdateListener listener)
void	clear()
protected void	ensureSerializerInitialized()
protected static VariableSerializers	getCurrentPaSerializers()
String	getErrorMessage()	If the variable value could not be loaded, this returns the error message.
static TypedValueSerializer<?>	getFallbackSerializer(String serializerName)
TypedValueSerializer<?>	getSerializer()
String	getSerializerName()
static VariableSerializers	getSerializers()
TypedValue	getTypedValue(boolean asTransientValue)
TypedValue	getTypedValue(boolean deserializeValue, boolean asTransientValue)
String	getTypeName()
Object	getValue()
boolean	isMutable()
protected boolean	isMutableValue(TypedValue value)
protected boolean	isValuedImplicitlyUpdated()
void	notifyImplicitValueUpdateIfEnabled()
void	onCommandContextClose(CommandContext commandContext)
void	onCommandFailed(CommandContext commandContext, Throwable t)
void	postLoad()
void	setSerializerName(String serializerName)
TypedValue	setValue(TypedValue value)
protected void	writeValue(TypedValue value, ValueFields valueFields)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected static final EnginePersistenceLogger LOG

serializerName

protected String serializerName

serializer

protected TypedValueSerializer<?> serializer

cachedValue

protected TypedValue cachedValue

errorMessage

protected String errorMessage

valueFields

protected final ValueFields valueFields

notifyOnImplicitUpdates

protected boolean notifyOnImplicitUpdates

updateListeners

protected List<TypedValueUpdateListener> updateListeners

Constructor Detail

TypedValueField

public TypedValueField(ValueFields valueFields,
                       boolean notifyOnImplicitUpdates)

Method Detail

getValue

public Object getValue()

getTypedValue

public TypedValue getTypedValue(boolean asTransientValue)

getTypedValue

public TypedValue getTypedValue(boolean deserializeValue,
                                boolean asTransientValue)

setValue

public TypedValue setValue(TypedValue value)

isMutable

public boolean isMutable()

isMutableValue

protected boolean isMutableValue(TypedValue value)

isValuedImplicitlyUpdated

protected boolean isValuedImplicitlyUpdated()

writeValue

protected void writeValue(TypedValue value,
                          ValueFields valueFields)

onCommandContextClose

public void onCommandContextClose(CommandContext commandContext)

Specified by:

onCommandContextClose in interface CommandContextListener

notifyImplicitValueUpdateIfEnabled

public void notifyImplicitValueUpdateIfEnabled()

onCommandFailed

public void onCommandFailed(CommandContext commandContext,
                            Throwable t)

Specified by:

onCommandFailed in interface CommandContextListener

getSerializer

public TypedValueSerializer<?> getSerializer()

ensureSerializerInitialized

protected void ensureSerializerInitialized()

getSerializers

public static VariableSerializers getSerializers()

getFallbackSerializer

public static TypedValueSerializer<?> getFallbackSerializer(String serializerName)

getCurrentPaSerializers

protected static VariableSerializers getCurrentPaSerializers()

getSerializerName

public String getSerializerName()

setSerializerName

public void setSerializerName(String serializerName)

addImplicitUpdateListener

public void addImplicitUpdateListener(TypedValueUpdateListener listener)

getTypeName

public String getTypeName()

Returns:

the type name of the value

getErrorMessage

public String getErrorMessage()

If the variable value could not be loaded, this returns the error message.

Returns:

an error message indicating why the variable value could not be loaded.

postLoad

public void postLoad()

Specified by:

postLoad in interface DbEntityLifecycleAware

clear

public void clear()