Class EventListenerMetaData

java.lang.Object

org.datanucleus.metadata.MetaData

org.datanucleus.metadata.EventListenerMetaData

All Implemented Interfaces:

Serializable

public class EventListenerMetaData
extends MetaData

Listener for events, following the JPA/Jakarta model.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
(package private) String	className	Name of the EventListener class.
(package private) Map<String,String>	methodNamesByCallbackName	Method names in the EventListener class keyed by their callback name (e.g javax.persistence.PrePersist, etc).
private static final long	serialVersionUID

Fields inherited from class MetaData

EXTENSION_CLASS_CREATETIMESTAMP, EXTENSION_CLASS_CREATETIMESTAMP_COLUMN_NAME, EXTENSION_CLASS_CREATEUSER, EXTENSION_CLASS_CREATEUSER_COLUMN_LENGTH, EXTENSION_CLASS_CREATEUSER_COLUMN_NAME, EXTENSION_CLASS_MULTITENANCY_COLUMN_LENGTH, EXTENSION_CLASS_MULTITENANCY_COLUMN_NAME, EXTENSION_CLASS_MULTITENANCY_JDBC_TYPE, EXTENSION_CLASS_MULTITENANT, EXTENSION_CLASS_READ_ONLY, EXTENSION_CLASS_SOFTDELETE, EXTENSION_CLASS_SOFTDELETE_COLUMN_NAME, EXTENSION_CLASS_UPDATETIMESTAMP, EXTENSION_CLASS_UPDATETIMESTAMP_COLUMN_NAME, EXTENSION_CLASS_UPDATEUSER, EXTENSION_CLASS_UPDATEUSER_COLUMN_LENGTH, EXTENSION_CLASS_UPDATEUSER_COLUMN_NAME, EXTENSION_CLASS_VERSION_FIELD_NAME, EXTENSION_CLASS_VIEW_DEFINITION, EXTENSION_CLASS_VIEW_IMPORTS, EXTENSION_INDEX_COLUMN_ORDERING, EXTENSION_MEMBER_CACHEABLE, EXTENSION_MEMBER_CALENDAR_ONE_COLUMN, EXTENSION_MEMBER_CASCADE_ATTACH, EXTENSION_MEMBER_CASCADE_DETACH, EXTENSION_MEMBER_CASCADE_PERSIST, EXTENSION_MEMBER_CASCADE_REFRESH, EXTENSION_MEMBER_COMPARATOR_NAME, EXTENSION_MEMBER_CONTAINER_ALLOW_NULLS, EXTENSION_MEMBER_CREATE_TIMESTAMP, EXTENSION_MEMBER_CREATE_USER, EXTENSION_MEMBER_ENUM_VALUE_GETTER, EXTENSION_MEMBER_IMPLEMENTATION_CLASSES, EXTENSION_MEMBER_INSERTABLE, EXTENSION_MEMBER_KEY_IMPLEMENTATION_CLASSES, EXTENSION_MEMBER_LIST_ORDERING, EXTENSION_MEMBER_RELATION_DISCRIM_COLUMN, EXTENSION_MEMBER_RELATION_DISCRIM_PK, EXTENSION_MEMBER_RELATION_DISCRIM_VALUE, EXTENSION_MEMBER_STRATEGY_WHEN_NOTNULL, EXTENSION_MEMBER_TYPE_CONVERTER_DISABLED, EXTENSION_MEMBER_TYPE_CONVERTER_NAME, EXTENSION_MEMBER_UPDATE_TIMESTAMP, EXTENSION_MEMBER_UPDATE_USER, EXTENSION_MEMBER_UPDATEABLE, EXTENSION_MEMBER_VALUE_IMPLEMENTATION_CLASSES, EXTENSION_VERSION_NUMBER_INITIAL_VALUE, extensions, metaDataState, parent, VENDOR_NAME

Constructor Summary

Constructors

Constructor	Description
EventListenerMetaData(String className)	Constructor for an EventListener MetaData

Method Summary

Modifier and Type	Method	Description
void	addCallback(String callbackClassName, String methodName)	Method to add a method name for this EventListener.
void	addCallback(String callbackClassName, String className, String methodName)	Method to add a method name for this EventListener.
String	getClassName()	Accessor for the name of the EventListener class
String	getMethodNameForCallbackClass(String callbackClassName)	Accessor for the method name in the EventListener class that handles the specified callback event

Methods inherited from class MetaData

addExtension, addExtensions, getExtensions, getMetaDataManager, getNoOfExtensions, getParent, getValueForExtension, getValuesForExtension, hasExtension, initialise, isInitialised, isPopulated, isUsed, removeExtension, setExtensions, setInitialised, setParent, setPopulated, setUsed

Methods inherited from class Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

className

String className

Name of the EventListener class.

methodNamesByCallbackName

Map<String,String> methodNamesByCallbackName

Method names in the EventListener class keyed by their callback name (e.g javax.persistence.PrePersist, etc).

Constructor Details

EventListenerMetaData

public EventListenerMetaData(String className)

Constructor for an EventListener MetaData

Parameters:

className - Name of the EventListener class

Method Details

getClassName

public String getClassName()

Accessor for the name of the EventListener class

Returns:

Name of the EventListener

addCallback

public void addCallback(String callbackClassName,
 String methodName)

Method to add a method name for this EventListener.

Parameters:

callbackClassName - Name of the callback type (javax.persistence.PrePersist etc)

methodName - The method in the EventListener class that handles it

addCallback

public void addCallback(String callbackClassName,
 String className,
 String methodName)

Method to add a method name for this EventListener.

Parameters:

callbackClassName - Name of the callback class

className - Name of the class declaring the method

methodName - The method in the className class that handles it

getMethodNameForCallbackClass

public String getMethodNameForCallbackClass(String callbackClassName)

Accessor for the method name in the EventListener class that handles the specified callback event

Parameters:

callbackClassName - Name of the callback class

Returns:

The method name (if any). Fully-qualified