Package com.blazebit.persistence.view.metamodel

Interface PluralAttribute<X,C,E>

Type Parameters:

X - The type of the declaring entity view

C - The type of the represented collection

E - The element type of the represented collection

All Superinterfaces:

Attribute<X,C>

All Known Subinterfaces:

CollectionAttribute<X,E>, ListAttribute<X,E>, MapAttribute<X,K,V>, MethodCollectionAttribute<X,E>, MethodListAttribute<X,E>, MethodMapAttribute<X,K,V>, MethodMultiListAttribute<X,E,C>, MethodMultiMapAttribute<X,K,V,C>, MethodPluralAttribute<X,C,E>, MethodSetAttribute<X,E>, SetAttribute<X,E>

public interface PluralAttribute<X,C,E>
extends Attribute<X,C>

Instances of the type PluralAttribute represent collection-valued attributes.

Since:

1.0.0

Author:

Christian Beikov

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	PluralAttribute.CollectionType	The different collection types.
static class	PluralAttribute.ElementCollectionType	The different element collection types.

Nested classes/interfaces inherited from interface com.blazebit.persistence.view.metamodel.Attribute

Attribute.AttributeType, Attribute.MappingType, Attribute.MemberType

Method Summary

Modifier and Type	Method	Description
PluralAttribute.CollectionType	getCollectionType()	Returns the collection type.
Comparator<?>	getComparator()	Returns the comparator that should be used for sorting.
Class<Comparator<?>>	getComparatorClass()	Returns the comparator class that should be used for sorting.
PluralAttribute.ElementCollectionType	getElementCollectionType()	Returns the element collection type.
Map<ManagedViewType<? extends E>,String>	getElementInheritanceSubtypeMappings()	Returns the inheritance subtypes that should be considered for the elements of this plural attribute.
Type<E>	getElementType()	Returns the type representing the element type of the collection.
boolean	isForcedUnique()	Returns whether this collection is forcefully deduplicated on load or not.
boolean	isIndexed()	Returns whether this collection is indexed or not.
boolean	isOrdered()	Returns whether this collection is ordered or not.
boolean	isSorted()	Returns whether this collection is sorted or not.

Methods inherited from interface com.blazebit.persistence.view.metamodel.Attribute

getAttributeType, getBatchSize, getConvertedJavaType, getDeclaringType, getFetches, getFetchStrategy, getJavaType, getLimitExpression, getMappingType, getMemberType, getOffsetExpression, getOrderByItems, isCollection, isCorrelated, isSubquery, isSubview

Method Details

getCollectionType

PluralAttribute.CollectionType getCollectionType()

Returns the collection type.

Returns:

The collection type

getElementCollectionType

PluralAttribute.ElementCollectionType getElementCollectionType()

Returns the element collection type.

Returns:

The element collection type

Since:

1.5.0

getElementType

Type<E> getElementType()

Returns the type representing the element type of the collection.

Returns:

The element type

Since:

1.2.0

getElementInheritanceSubtypeMappings

Map<ManagedViewType<? extends E>,String> getElementInheritanceSubtypeMappings()

Returns the inheritance subtypes that should be considered for the elements of this plural attribute. When the element type of the attribute is not a subview, this returns an empty set.

Returns:

The inheritance subtypes or an empty set

Since:

1.2.0

isIndexed

boolean isIndexed()

Returns whether this collection is indexed or not.

Returns:

true if the collection is indexed, false otherwise

isOrdered

boolean isOrdered()

Returns whether this collection is ordered or not.

Returns:

true if the collection is ordered, false otherwise

isSorted

boolean isSorted()

Returns whether this collection is sorted or not.

Returns:

true if the collection is sorted, false otherwise

isForcedUnique

boolean isForcedUnique()

Returns whether this collection is forcefully deduplicated on load or not.

Returns:

true if the collection is forcefully deduplicated on load, false otherwise

Since:

1.3.0

getComparator

Comparator<?> getComparator()

Returns the comparator that should be used for sorting. Returns null if no sorting is used or the natural sort order should be used.

Returns:

the comparator that should be used for sorting

getComparatorClass

Class<Comparator<?>> getComparatorClass()

Returns the comparator class that should be used for sorting. Returns null if no sorting is used or the natural sort order should be used.

Returns:

the comparator class that should be used for sorting