org.datanucleus.api.jdo.metadata

Class JDOAnnotationUtils

java.lang.Object

org.datanucleus.api.jdo.metadata.JDOAnnotationUtils

public class JDOAnnotationUtils
extends Object

Series of utility methods for converting between annotations and metadata.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CACHEABLE
static String	COLUMN
static String	COLUMNS
static String	DATASTORE_IDENTITY
static String	DISCRIMINATOR
static String	ELEMENT
static String	EMBEDDED
static String	EMBEDDED_ONLY
static String	EXTENSION
static String	EXTENSIONS
static String	FETCHGROUP
static String	FETCHGROUPS
static String	FETCHPLAN
static String	FETCHPLANS
static String	FOREIGNKEY
static String	FOREIGNKEYS
static String	INDEX
static String	INDICES
static String	INHERITANCE
static String	JOIN
static String	JOINS
static String	KEY
static String	NOTPERSISTENT
static String	ORDER
static String	PERSISTENCE_AWARE
static String	PERSISTENCE_CAPABLE
static String	PERSISTENT
static String	PRIMARY_KEY
static String	QUERIES
static String	QUERY
static String	SEQUENCE
static String	SERIALIZED
static String	TRANSACTIONAL
static String	UNIQUE
static String	UNIQUES
static String	VALUE
static String	VERSION

Constructor Summary

Constructors

Constructor and Description
JDOAnnotationUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static void	addExtensionsToMetaData(org.datanucleus.metadata.MetaData metadata, javax.jdo.annotations.Extension[] extensions) Convenience method to add extensions to a metadata element.
static org.datanucleus.metadata.ColumnMetaData	getColumnMetaDataForAnnotations(HashMap<String,Object> annotationValues) Convenience method to get the column metadata for annotation values of a @Column.
static org.datanucleus.metadata.ColumnMetaData	getColumnMetaDataForColumnAnnotation(javax.jdo.annotations.Column col) Convenience method to get the column metadata for a Column annotation.
static String	getDiscriminatorStrategyString(javax.jdo.annotations.DiscriminatorStrategy strategy) Convenience accessor for the string name of a discriminator strategy.
static org.datanucleus.metadata.FieldPersistenceModifier	getFieldPersistenceModifier(javax.jdo.annotations.PersistenceModifier modifier) Convenience accessor for the persistence-modifier on a field.
static org.datanucleus.metadata.ForeignKeyMetaData	getFKMetaData(String name, String table, String unique, String deferred, String deleteAction, String updateAction, String[] fields, javax.jdo.annotations.Column[] columns) Convenience method to create a ForeignKeyMetaData from the annotations data.
static String	getForeignKeyActionString(javax.jdo.annotations.ForeignKeyAction action) Convenience accessor for the string name of a FK action.
static String	getIdentityStrategyString(javax.jdo.annotations.IdGeneratorStrategy strategy) Convenience accessor for the string name of a id generator strategy (from JDO annotations).
static String	getIdentityTypeString(javax.jdo.annotations.IdentityType idType) Convenience accessor for the string name of the identity type.
static org.datanucleus.metadata.IndexMetaData	getIndexMetaData(String name, String table, String unique, String[] fields, javax.jdo.annotations.Column[] columns) Convenience method to create an IndexMetaData from the annotations data.
static String	getInheritanceStrategyString(javax.jdo.annotations.InheritanceStrategy strategy) Convenience accessor for the string name of an inheritance strategy.
static String	getNullValueString(javax.jdo.annotations.NullValue value) Convenience accessor for the string name of a null value action.
static String	getQueryLanguageName(String value) Convenience accessor for the query language to a valid internal value.
static String	getSequenceStrategyString(javax.jdo.annotations.SequenceStrategy strategy) Convenience accessor for the string name of a datastore sequence strategy.
static org.datanucleus.metadata.UniqueMetaData	getUniqueMetaData(String name, String table, String deferred, String[] fields, javax.jdo.annotations.Column[] columns) Convenience method to create a UniqueMetaData from the annotations data.
static String	getVersionStrategyString(javax.jdo.annotations.VersionStrategy strategy) Convenience accessor for the string name of a version strategy.

Methods inherited from class java.lang.Object

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

Field Detail

PERSISTENCE_CAPABLE

public static final String PERSISTENCE_CAPABLE

PERSISTENCE_AWARE

public static final String PERSISTENCE_AWARE

EMBEDDED_ONLY

public static final String EMBEDDED_ONLY

VERSION

public static final String VERSION

DATASTORE_IDENTITY

public static final String DATASTORE_IDENTITY

PRIMARY_KEY

public static final String PRIMARY_KEY

JOINS

public static final String JOINS

JOIN

public static final String JOIN

INHERITANCE

public static final String INHERITANCE

DISCRIMINATOR

public static final String DISCRIMINATOR

QUERIES

public static final String QUERIES

QUERY

public static final String QUERY

FETCHPLAN

public static final String FETCHPLAN

FETCHPLANS

public static final String FETCHPLANS

FETCHGROUPS

public static final String FETCHGROUPS

FETCHGROUP

public static final String FETCHGROUP

SEQUENCE

public static final String SEQUENCE

INDICES

public static final String INDICES

INDEX

public static final String INDEX

UNIQUES

public static final String UNIQUES

UNIQUE

public static final String UNIQUE

FOREIGNKEYS

public static final String FOREIGNKEYS

FOREIGNKEY

public static final String FOREIGNKEY

COLUMNS

public static final String COLUMNS

COLUMN

public static final String COLUMN

EXTENSIONS

public static final String EXTENSIONS

EXTENSION

public static final String EXTENSION

PERSISTENT

public static final String PERSISTENT

TRANSACTIONAL

public static final String TRANSACTIONAL

NOTPERSISTENT

public static final String NOTPERSISTENT

SERIALIZED

public static final String SERIALIZED

ELEMENT

public static final String ELEMENT

KEY

public static final String KEY

VALUE

public static final String VALUE

ORDER

public static final String ORDER

EMBEDDED

public static final String EMBEDDED

CACHEABLE

public static final String CACHEABLE

See Also:

Constant Field Values

Constructor Detail

JDOAnnotationUtils

public JDOAnnotationUtils()

Method Detail

getQueryLanguageName

public static String getQueryLanguageName(String value)

Convenience accessor for the query language to a valid internal value.

Parameters:

value - The query language name

Returns:

The internal name

getNullValueString

public static String getNullValueString(javax.jdo.annotations.NullValue value)

Convenience accessor for the string name of a null value action.

Parameters:

value - The annotation null value

Returns:

The name

getForeignKeyActionString

public static String getForeignKeyActionString(javax.jdo.annotations.ForeignKeyAction action)

Convenience accessor for the string name of a FK action.

Parameters:

action - The annotation action

Returns:

The name

getFieldPersistenceModifier

public static org.datanucleus.metadata.FieldPersistenceModifier getFieldPersistenceModifier(javax.jdo.annotations.PersistenceModifier modifier)

Convenience accessor for the persistence-modifier on a field.

Parameters:

modifier - The annotation modifier

Returns:

The modifier

getIdentityTypeString

public static String getIdentityTypeString(javax.jdo.annotations.IdentityType idType)

Convenience accessor for the string name of the identity type.

Parameters:

idType - The id type

Returns:

The name

getSequenceStrategyString

public static String getSequenceStrategyString(javax.jdo.annotations.SequenceStrategy strategy)

Convenience accessor for the string name of a datastore sequence strategy.

Parameters:

strategy - The annotation strategy

Returns:

The name

getIdentityStrategyString

public static String getIdentityStrategyString(javax.jdo.annotations.IdGeneratorStrategy strategy)

Convenience accessor for the string name of a id generator strategy (from JDO annotations).

Parameters:

strategy - The id generation strategy

Returns:

The name

getVersionStrategyString

public static String getVersionStrategyString(javax.jdo.annotations.VersionStrategy strategy)

Convenience accessor for the string name of a version strategy.

Parameters:

strategy - The version strategy

Returns:

The name

getInheritanceStrategyString

public static String getInheritanceStrategyString(javax.jdo.annotations.InheritanceStrategy strategy)

Convenience accessor for the string name of an inheritance strategy.

Parameters:

strategy - The inheritance strategy

Returns:

The name

getDiscriminatorStrategyString

public static String getDiscriminatorStrategyString(javax.jdo.annotations.DiscriminatorStrategy strategy)

Convenience accessor for the string name of a discriminator strategy.

Parameters:

strategy - The discriminator strategy

Returns:

The name

getColumnMetaDataForAnnotations

public static org.datanucleus.metadata.ColumnMetaData getColumnMetaDataForAnnotations(HashMap<String,Object> annotationValues)

Convenience method to get the column metadata for annotation values of a @Column.

Parameters:

annotationValues - The values for the annotation

Returns:

The MetaData for the column

getColumnMetaDataForColumnAnnotation

public static org.datanucleus.metadata.ColumnMetaData getColumnMetaDataForColumnAnnotation(javax.jdo.annotations.Column col)

Convenience method to get the column metadata for a Column annotation.

Parameters:

col - The Column annotation

Returns:

The MetaData for the column

getIndexMetaData

public static org.datanucleus.metadata.IndexMetaData getIndexMetaData(String name,
                                                      String table,
                                                      String unique,
                                                      String[] fields,
                                                      javax.jdo.annotations.Column[] columns)

Convenience method to create an IndexMetaData from the annotations data.

Parameters:

name - Name of the constraint

table - Name of the table (optional)

unique - Whether the constraint is unique

fields - Fields to apply the constraint across (optional)

columns - Columns to apply the constraint across (optional)

Returns:

The IndexMetaData

getUniqueMetaData

public static org.datanucleus.metadata.UniqueMetaData getUniqueMetaData(String name,
                                                        String table,
                                                        String deferred,
                                                        String[] fields,
                                                        javax.jdo.annotations.Column[] columns)

Convenience method to create a UniqueMetaData from the annotations data.

Parameters:

name - Name of the constraint

table - Name of the table (optional)

deferred - Whether the constraint is deferred

fields - Fields to apply the constraint across (optional)

columns - Columns to apply the constraint across (optional)

Returns:

The UniqueMetaData

getFKMetaData

public static org.datanucleus.metadata.ForeignKeyMetaData getFKMetaData(String name,
                                                        String table,
                                                        String unique,
                                                        String deferred,
                                                        String deleteAction,
                                                        String updateAction,
                                                        String[] fields,
                                                        javax.jdo.annotations.Column[] columns)

Convenience method to create a ForeignKeyMetaData from the annotations data.

Parameters:

name - Name of the constraint

table - Name of the table (optional)

unique - Whether the constraint is unique

deferred - Whether the constraint is deferred

fields - Fields to apply the constraint across (optional)

columns - Columns to apply the constraint across (optional)

Returns:

The ForeignKeyMetaData

addExtensionsToMetaData

public static void addExtensionsToMetaData(org.datanucleus.metadata.MetaData metadata,
                           javax.jdo.annotations.Extension[] extensions)

Convenience method to add extensions to a metadata element.

Parameters:

metadata - The metadata element

extensions - The extension annotations