org.fastnate.generator.context

Class AnyMapping<T>

java.lang.Object

org.fastnate.generator.context.AnyMapping<T>

Type Parameters:

T - the type of the attribute that this mapping is attached to

public class AnyMapping<T>
extends Object

A column that is responsible to store the information for references to arbitrary entity types that are stored in the same attribute.

Author:

Tobias Liefke

See Also:

Any, ManyToAny

Field Summary

Fields

Modifier and Type	Field and Description
private Map<Class<?>,ColumnExpression>	anyClasses Contains the mapping from a class to its id in the database.
private GeneratorColumn	column The column that contains the identifier of the type according to the meta definition.
private static Map<String,Supplier<? extends ValueConverter<?>>>	META_TYPES

Constructor Summary

Constructors

Constructor and Description
AnyMapping(GeneratorContext context, AttributeAccessor attribute, GeneratorTable containerTabble, javax.persistence.Column typeColumn, String metaDefName) Creates a new instance of AnyMapping.

Method Summary

Modifier and Type	Method and Description
private void	fillMetaDefs(AttributeAccessor attribute, javax.persistence.Column typeColumn, String metaDefName, GeneratorContext context)
private ColumnExpression	findDesc(T entity)
private static org.hibernate.annotations.AnyMetaDef	findElementMetaDef(AnnotatedElement element, String metaDefName)
private org.hibernate.annotations.AnyMetaDef	findGlobalMetaDef(AttributeAccessor attribute, String metaDefName)
private org.hibernate.annotations.AnyMetaDef	findMetaDefInClassHierarchy(Class<?> entityClass, String metaDefName)
private org.hibernate.annotations.AnyMetaDef	findMetaDefInPackageHierarchy(Package classPackage, String metaDefName)
GeneratorColumn	getColumn() The column that contains the identifier of the type according to the meta definition.
String	getPredicate(T value) Builds a predicate to find the row with the given value.
void	setColumnValue(TableStatement statement, T value) Sets the mapping value for the given value to the statement.

Methods inherited from class java.lang.Object

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

Field Detail

META_TYPES

private static final Map<String,Supplier<? extends ValueConverter<?>>> META_TYPES

column

private final GeneratorColumn column

The column that contains the identifier of the type according to the meta definition.

anyClasses

private final Map<Class<?>,ColumnExpression> anyClasses

Contains the mapping from a class to its id in the database.

Constructor Detail

AnyMapping

public AnyMapping(GeneratorContext context,
                  AttributeAccessor attribute,
                  GeneratorTable containerTabble,
                  javax.persistence.Column typeColumn,
                  String metaDefName)

Creates a new instance of AnyMapping.

Parameters:

context - the current generation context

attribute - the attribute that this mapping is attached to

containerTabble - the table that contains the type column

typeColumn - contains the meta information about the generated type column

metaDefName - the name of the global meta definition, if any is used (otherwise the one from the attribute is used)

Method Detail

findElementMetaDef

private static org.hibernate.annotations.AnyMetaDef findElementMetaDef(AnnotatedElement element,
                                                                       String metaDefName)

fillMetaDefs

private void fillMetaDefs(AttributeAccessor attribute,
                          javax.persistence.Column typeColumn,
                          String metaDefName,
                          GeneratorContext context)

findDesc

private ColumnExpression findDesc(T entity)

findGlobalMetaDef

private org.hibernate.annotations.AnyMetaDef findGlobalMetaDef(AttributeAccessor attribute,
                                                               String metaDefName)

findMetaDefInClassHierarchy

private org.hibernate.annotations.AnyMetaDef findMetaDefInClassHierarchy(Class<?> entityClass,
                                                                         String metaDefName)

findMetaDefInPackageHierarchy

private org.hibernate.annotations.AnyMetaDef findMetaDefInPackageHierarchy(Package classPackage,
                                                                           String metaDefName)

getPredicate

public String getPredicate(T value)

Builds a predicate to find the row with the given value. Does only work with an additional predicate for the id.

Parameters:

value - the current value to find as row

Returns:

the predicate to find all rows with the same type of value

setColumnValue

public void setColumnValue(TableStatement statement,
                           T value)

Sets the mapping value for the given value to the statement.

Parameters:

statement - the statement of the current row

value - the value of the current row

getColumn

public GeneratorColumn getColumn()

The column that contains the identifier of the type according to the meta definition.