Java 类org.hibernate.annotations.ManyToAny 实例源码

private static boolean discoverTypeWithoutReflection(XProperty p) {
    if ( p.isAnnotationPresent( OneToOne.class ) && !p.getAnnotation( OneToOne.class )
            .targetEntity()
            .equals( void.class ) ) {
        return true;
    }
    else if ( p.isAnnotationPresent( OneToMany.class ) && !p.getAnnotation( OneToMany.class )
            .targetEntity()
            .equals( void.class ) ) {
        return true;
    }
    else if ( p.isAnnotationPresent( ManyToOne.class ) && !p.getAnnotation( ManyToOne.class )
            .targetEntity()
            .equals( void.class ) ) {
        return true;
    }
    else if ( p.isAnnotationPresent( ManyToMany.class ) && !p.getAnnotation( ManyToMany.class )
            .targetEntity()
            .equals( void.class ) ) {
        return true;
    }
    else if ( p.isAnnotationPresent( org.hibernate.annotations.Any.class ) ) {
        return true;
    }
    else if ( p.isAnnotationPresent( ManyToAny.class ) ) {
        if ( !p.isCollection() && !p.isArray() ) {
            throw new AnnotationException( "@ManyToAny used on a non collection non array property: " + p.getName() );
        }
        return true;
    }
    else if ( p.isAnnotationPresent( Type.class ) ) {
        return true;
    }
    else if ( p.isAnnotationPresent( Target.class ) ) {
        return true;
    }
    return false;
}

MappingInformation(final AttributeAccessor attribute) {
    final OneToOne oneToOne = attribute.getAnnotation(OneToOne.class);
    final NotNull notNull = attribute.getAnnotation(NotNull.class);
    if (oneToOne != null) {
        this.optional = oneToOne.optional() && notNull == null;
        this.mappedBy = oneToOne.mappedBy();
        this.anyMetaColumn = null;
    } else {
        this.mappedBy = "";
        final ManyToOne manyToOne = attribute.getAnnotation(ManyToOne.class);
        if (manyToOne != null) {
            this.optional = manyToOne.optional() && notNull == null;
            this.anyMetaColumn = null;
        } else {
            final Any any = attribute.getAnnotation(Any.class);
            if (any != null) {
                this.optional = any.optional() && notNull == null;
                this.anyMetaColumn = any.metaColumn().name();
            } else {
                final ManyToAny manyToAny = attribute.getAnnotation(ManyToAny.class);
                if (manyToAny == null) {
                    throw new IllegalArgumentException(
                            attribute + " is neither declared as OneToOne nor ManyToOne");
                }
                this.optional = notNull == null;
                this.anyMetaColumn = manyToAny.metaColumn().name();
            }
        }
    }
}

public void prepare(XProperty collectionProperty) {
    // fugly
    if ( prepared ) {
        return;
    }

    if ( collectionProperty == null ) {
        return;
    }

    prepared = true;

    if ( collection.isMap() ) {
        if ( collectionProperty.isAnnotationPresent( MapKeyEnumerated.class ) ) {
            canKeyBeConverted = false;
        }
        else if ( collectionProperty.isAnnotationPresent( MapKeyTemporal.class ) ) {
            canKeyBeConverted = false;
        }
        else if ( collectionProperty.isAnnotationPresent( MapKeyClass.class ) ) {
            canKeyBeConverted = false;
        }
        else if ( collectionProperty.isAnnotationPresent( MapKeyType.class ) ) {
            canKeyBeConverted = false;
        }
    }
    else {
        canKeyBeConverted = false;
    }

    if ( collectionProperty.isAnnotationPresent( ManyToAny.class ) ) {
        canElementBeConverted = false;
    }
    else if ( collectionProperty.isAnnotationPresent( OneToMany.class ) ) {
        canElementBeConverted = false;
    }
    else if ( collectionProperty.isAnnotationPresent( ManyToMany.class ) ) {
        canElementBeConverted = false;
    }
    else if ( collectionProperty.isAnnotationPresent( Enumerated.class ) ) {
        canElementBeConverted = false;
    }
    else if ( collectionProperty.isAnnotationPresent( Temporal.class ) ) {
        canElementBeConverted = false;
    }
    else if ( collectionProperty.isAnnotationPresent( CollectionType.class ) ) {
        canElementBeConverted = false;
    }

    // Is it valid to reference a collection attribute in a @Convert attached to the owner (entity) by path?
    // if so we should pass in 'clazzToProcess' also
    if ( canKeyBeConverted || canElementBeConverted ) {
        buildAttributeConversionInfoMaps( collectionProperty, elementAttributeConversionInfoMap, keyAttributeConversionInfoMap );
    }
}

private void defineFetchingStrategy() {
    LazyCollection lazy = property.getAnnotation( LazyCollection.class );
    Fetch fetch = property.getAnnotation( Fetch.class );
    OneToMany oneToMany = property.getAnnotation( OneToMany.class );
    ManyToMany manyToMany = property.getAnnotation( ManyToMany.class );
    ElementCollection elementCollection = property.getAnnotation( ElementCollection.class ); //jpa 2
    ManyToAny manyToAny = property.getAnnotation( ManyToAny.class );
    FetchType fetchType;
    if ( oneToMany != null ) {
        fetchType = oneToMany.fetch();
    }
    else if ( manyToMany != null ) {
        fetchType = manyToMany.fetch();
    }
    else if ( elementCollection != null ) {
        fetchType = elementCollection.fetch();
    }
    else if ( manyToAny != null ) {
        fetchType = FetchType.LAZY;
    }
    else {
        throw new AssertionFailure(
                "Define fetch strategy on a property not annotated with @ManyToOne nor @OneToMany nor @CollectionOfElements"
        );
    }
    if ( lazy != null ) {
        collection.setLazy( !( lazy.value() == LazyCollectionOption.FALSE ) );
        collection.setExtraLazy( lazy.value() == LazyCollectionOption.EXTRA );
    }
    else {
        collection.setLazy( fetchType == FetchType.LAZY );
        collection.setExtraLazy( false );
    }
    if ( fetch != null ) {
        if ( fetch.value() == org.hibernate.annotations.FetchMode.JOIN ) {
            collection.setFetchMode( FetchMode.JOIN );
            collection.setLazy( false );
        }
        else if ( fetch.value() == org.hibernate.annotations.FetchMode.SELECT ) {
            collection.setFetchMode( FetchMode.SELECT );
        }
        else if ( fetch.value() == org.hibernate.annotations.FetchMode.SUBSELECT ) {
            collection.setFetchMode( FetchMode.SELECT );
            collection.setSubselectLoadable( true );
            collection.getOwner().setSubselectLoadableCollections( true );
        }
        else {
            throw new AssertionFailure( "Unknown FetchMode: " + fetch.value() );
        }
    }
    else {
        collection.setFetchMode( AnnotationBinder.getFetchMode( fetchType ) );
    }
}

/**
 * Indicates that the given attribute references an entity and may be used by an {@link EntityProperty}.
 *
 * @param attribute
 *            accessor of the attribute to check
 * @return {@code true} if an {@link EntityProperty} may be created for the given attribute
 */
static boolean isEntityProperty(final AttributeAccessor attribute) {
    return attribute.isAnnotationPresent(OneToOne.class) || attribute.isAnnotationPresent(ManyToOne.class)
            || attribute.isAnnotationPresent(Any.class) || attribute.isAnnotationPresent(ManyToAny.class);
}