Class KeyMetaData

java.lang.Object

org.datanucleus.metadata.MetaData

org.datanucleus.metadata.AbstractElementMetaData

org.datanucleus.metadata.KeyMetaData

All Implemented Interfaces:

Serializable, ColumnMetaDataContainer

public class KeyMetaData
extends AbstractElementMetaData

This element specifies the mapping for the key component of maps. The serialised attribute specifies that the key values are to be serialised into the named column.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private static final long	serialVersionUID

Fields inherited from class AbstractElementMetaData

columnName, columns, embeddedMetaData, foreignKeyMetaData, indexed, indexMetaData, mappedBy, table, unique, uniqueMetaData

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
KeyMetaData()	Default constructor.
KeyMetaData(KeyMetaData kmd)	Constructor to create a copy of the passed metadata using the provided parent.

Method Summary

Modifier and Type	Method	Description
void	populate(ClassLoaderResolver clr, ClassLoader primary)	Populate the MetaData.

Methods inherited from class AbstractElementMetaData

addColumn, getColumnMetaData, getColumnName, getDeleteAction, getEmbeddedMetaData, getForeignKeyMetaData, getIndexed, getIndexMetaData, getMappedBy, getTable, getUniqueMetaData, getUpdateAction, initialise, isUnique, newColumnMetaData, newEmbeddedMetaData, newForeignKeyMetaData, newIndexMetaData, newUniqueMetaData, setColumnName, setDeleteAction, setDeleteAction, setEmbeddedMetaData, setForeignKeyMetaData, setIndexed, setIndexMetaData, setMappedBy, setTable, setUnique, setUniqueMetaData, setUpdateAction, setUpdateAction

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, toString, wait, wait, wait

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

Constructor Details

KeyMetaData

public KeyMetaData(KeyMetaData kmd)

Constructor to create a copy of the passed metadata using the provided parent.

Parameters:

kmd - The metadata to copy

KeyMetaData

public KeyMetaData()

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

Method Details

populate

public void populate(ClassLoaderResolver clr,
 ClassLoader primary)

Populate the MetaData.

Overrides:

populate in class AbstractElementMetaData

Parameters:

clr - Class loader to use

primary - the primary ClassLoader to use (or null)