Class InheritanceMetaData

java.lang.Object

org.datanucleus.metadata.MetaData

org.datanucleus.metadata.InheritanceMetaData

All Implemented Interfaces:

Serializable

public class InheritanceMetaData
extends MetaData

Representation of the Meta-Data defining inherited classes.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected DiscriminatorMetaData	discriminatorMetaData	DiscriminatorMetaData element.
static final String	INHERITANCE_TREE_STRATEGY_JOINED
static final String	INHERITANCE_TREE_STRATEGY_SINGLE_TABLE
static final String	INHERITANCE_TREE_STRATEGY_TABLE_PER_CLASS
protected JoinMetaData	joinMetaData	JoinMetaData element.
private static final long	serialVersionUID
protected InheritanceStrategy	strategy	strategy tag value.
protected String	strategyForTree	Strategy to apply for the whole inheritance tree.

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
InheritanceMetaData()	Default constructor.

Method Summary

Modifier and Type	Method	Description
DiscriminatorMetaData	getDiscriminatorMetaData()
JoinMetaData	getJoinMetaData()
InheritanceStrategy	getStrategy()
String	getStrategyForTree()
void	initialise(ClassLoaderResolver clr)	Method to initialise the object, creating internal convenience arrays.
DiscriminatorMetaData	newDiscriminatorMetaData()	Method to create a new discriminator metadata, assign it to this inheritance, and return it.
JoinMetaData	newJoinMetaData()	Method to create a new JoinMetaData, set it, and return it.
void	setDiscriminatorMetaData(DiscriminatorMetaData discriminatorMetaData)
void	setJoinMetaData(JoinMetaData joinMetaData)
InheritanceMetaData	setStrategy(String strategy)
InheritanceMetaData	setStrategy(InheritanceStrategy strategy)
InheritanceMetaData	setStrategyForTree(String strategy)
String	toString()

Methods inherited from class MetaData

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

Methods inherited from class Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

INHERITANCE_TREE_STRATEGY_JOINED

public static final String INHERITANCE_TREE_STRATEGY_JOINED

See Also:

• Constant Field Values

INHERITANCE_TREE_STRATEGY_TABLE_PER_CLASS

public static final String INHERITANCE_TREE_STRATEGY_TABLE_PER_CLASS

See Also:

• Constant Field Values

INHERITANCE_TREE_STRATEGY_SINGLE_TABLE

public static final String INHERITANCE_TREE_STRATEGY_SINGLE_TABLE

See Also:

• Constant Field Values

strategy

protected InheritanceStrategy strategy

strategy tag value.

joinMetaData

protected JoinMetaData joinMetaData

JoinMetaData element.

discriminatorMetaData

protected DiscriminatorMetaData discriminatorMetaData

DiscriminatorMetaData element.

strategyForTree

protected String strategyForTree

Strategy to apply for the whole inheritance tree. Optional, used by JPA.

Constructor Details

InheritanceMetaData

public InheritanceMetaData()

Default constructor. Set any fields using setters, before populate().

Method Details

initialise

public void initialise(ClassLoaderResolver clr)

Method to initialise the object, creating internal convenience arrays. Initialises all sub-objects.

Overrides:

initialise in class MetaData

Parameters:

clr - Not used

setStrategyForTree

public InheritanceMetaData setStrategyForTree(String strategy)

getStrategyForTree

public String getStrategyForTree()

getStrategy

public InheritanceStrategy getStrategy()

setStrategy

public InheritanceMetaData setStrategy(InheritanceStrategy strategy)

setStrategy

public InheritanceMetaData setStrategy(String strategy)

getJoinMetaData

public JoinMetaData getJoinMetaData()

setJoinMetaData

public void setJoinMetaData(JoinMetaData joinMetaData)

newJoinMetaData

public JoinMetaData newJoinMetaData()

Method to create a new JoinMetaData, set it, and return it.

Returns:

The join metadata

getDiscriminatorMetaData

public DiscriminatorMetaData getDiscriminatorMetaData()

setDiscriminatorMetaData

public void setDiscriminatorMetaData(DiscriminatorMetaData discriminatorMetaData)

newDiscriminatorMetaData

public DiscriminatorMetaData newDiscriminatorMetaData()

Method to create a new discriminator metadata, assign it to this inheritance, and return it.

Returns:

The discriminator metadata

toString

public String toString()

Overrides:

toString in class Object