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javax.persistence.Cache

JPA Interface Cache Interface used to interact with the second-level cache. If a cache is not in use, the methods of this interface have no effect, except for contains , which returns false . Since: JPA 2.0 The Shared (L2) Entity Cache article explains how to use Cache . Public Methods boolean

javax.persistence.Cacheable

subclasses; it can be overridden by specifying Cacheable on a subclass. Cacheable( false ) means

javax.persistence.Column.unique

JPA Annotation Attribute in javax.persistence.Column boolean unique default false (Optional) Whether the column is a unique key. This is a shortcut for the UniqueConstraint annotation at the table level and is useful for when the unique key constraint corresponds to only a single column

javax.persistence.Convert

disableConversion default false Used to disable an auto-apply or inherited converter

javax.persistence.Convert.disableConversion

JPA Annotation Attribute in javax.persistence.Convert boolean disableConversion default false Used to disable an auto-apply or inherited converter. If disableConversion is true, the converter element should not be specified. Since: JPA 2.1

javax.persistence.Converter.autoApply

JPA Annotation Attribute in javax.persistence.Converter boolean autoApply default false Since: JPA 2.1

EntityManager.isJoinedToTransaction() - JPA Method

JPA Method in javax.persistence.EntityManager boolean isJoinedToTransaction () Determine whether the entity manager is joined to the current transaction. Returns false if the entity manager is not joined to the current transaction or if no transaction is active Return: boolean Since: JPA 2.1

EntityManager.close() - JPA Method

the IllegalStateException except for getProperties , getTransaction , and isOpen (which will return false

javax.persistence.EntityManagerFactory

the IllegalStateException , except for isOpen , which will return false . Once an EntityManagerFactory

EntityManagerFactory.close() - JPA Method

JPA Method in javax.persistence.EntityManagerFactory void close () Close the factory, releasing any resources that it holds. After a factory instance has been closed, all methods invoked on it will throw the IllegalStateException , except for isOpen , which will return false

EntityTransaction.commit() - JPA Method

JPA Method in javax.persistence.EntityTransaction void commit () Commit the current resource transaction, writing any unflushed changes to the database. Throws: IllegalStateException - if isActive() is false RollbackException - if the commit fails Since: JPA 1.0

EntityTransaction.rollback() - JPA Method

JPA Method in javax.persistence.EntityTransaction void rollback () Roll back the current resource transaction. Throws: IllegalStateException - if isActive() is false PersistenceException - if an unexpected error condition is encountered Since: JPA 1.0

EntityTransaction.setRollbackOnly() - JPA Method

JPA Method in javax.persistence.EntityTransaction void setRollbackOnly () Mark the current resource transaction so that the only possible outcome of the transaction is for the transaction to be rolled back. Throws: IllegalStateException - if isActive() is false Since: JPA 1.0

EntityTransaction.getRollbackOnly() - JPA Method

JPA Method in javax.persistence.EntityTransaction boolean getRollbackOnly () Determine whether the current resource transaction has been marked for rollback. Return: boolean indicating whether the transaction has been marked for rollback Throws: IllegalStateException - if isActive() is false Since: JPA 1.0

javax.persistence.Index

2.1 boolean unique default false (Optional) Whether the index is unique. Since: JPA 2.1

javax.persistence.Index.unique

JPA Annotation Attribute in javax.persistence.Index boolean unique default false (Optional) Whether the index is unique. Since: JPA 2.1

javax.persistence.JoinColumn

false (Optional) Whether the property is a unique key. This is a shortcut for the UniqueConstraint

javax.persistence.JoinColumn.unique

JPA Annotation Attribute in javax.persistence.JoinColumn boolean unique default false (Optional) Whether the property is a unique key. This is a shortcut for the UniqueConstraint annotation at the table level and is useful for when the unique key constraint is only a single field. It is not

javax.persistence.ManyToOne.optional

JPA Annotation Attribute in javax.persistence.ManyToOne boolean optional default true (Optional) Whether the association is optional. If set to false then a non-null relationship must always exist. Since: JPA 1.0

javax.persistence.MapKeyColumn.unique

JPA Annotation Attribute in javax.persistence.MapKeyColumn boolean unique default false (Optional) Whether the column is a unique key. This is a shortcut for the UniqueConstraint annotation at the table level and is useful for when the unique key constraint corresponds to only a single column

javax.persistence.MapKeyColumn.nullable

JPA Annotation Attribute in javax.persistence.MapKeyColumn boolean nullable default false (Optional) Whether the database column is nullable. Since: JPA 2.0

javax.persistence.MapKeyJoinColumn.unique

JPA Annotation Attribute in javax.persistence.MapKeyJoinColumn boolean unique default false (Optional) Whether the property is a unique key. This is a shortcut for the UniqueConstraint annotation at the table level and is useful for when the unique key constraint is only a single field. Since: JPA 2.0

javax.persistence.MapKeyJoinColumn.nullable

JPA Annotation Attribute in javax.persistence.MapKeyJoinColumn boolean nullable default false (Optional) Whether the foreign key column is nullable. Since: JPA 2.0

javax.persistence.NamedEntityGraph

that are included in this graph. Since: JPA 2.1 boolean includeAllAttributes default false (Optional

javax.persistence.NamedEntityGraph.includeAllAttributes

JPA Annotation Attribute in javax.persistence.NamedEntityGraph boolean includeAllAttributes default false (Optional) Includes all of the attributes of the annotated entity class as attribute nodes in the NamedEntityGraph without the need to explicitly list them. Included attributes

javax.persistence.OneToMany.orphanRemoval

JPA Annotation Attribute in javax.persistence.OneToMany boolean orphanRemoval default false (Optional) Whether to apply the remove operation to entities that have been removed from the relationship and to cascade the remove operation to those entities. Since: JPA 2.0

javax.persistence.OneToOne.optional

JPA Annotation Attribute in javax.persistence.OneToOne boolean optional default true (Optional) Whether the association is optional. If set to false then a non-null relationship must always exist. Since: JPA 1.0

javax.persistence.OneToOne.orphanRemoval

JPA Annotation Attribute in javax.persistence.OneToOne boolean orphanRemoval default false (Optional) Whether to apply the remove operation to entities that have been removed from the relationship and to cascade the remove operation to those entities. Since: JPA 2.0

PersistenceUnitUtil.isLoaded(entity,attributeName) - JPA Method

: false if entity's state has not been loaded or if the attribute state has not been loaded, else true Since: JPA 2.0

PersistenceUnitUtil.isLoaded(entity) - JPA Method

is to be determined Return: false if the entity has not been loaded, else true Since: JPA 2.0

PersistenceUtil.isLoaded(entity,attributeName) - JPA Method

whose load state is to be determined Return: false if entity's state has not been loaded or if the attribute state has not been loaded, else true Since: JPA 2.0

PersistenceUtil.isLoaded(entity) - JPA Method

. Parameters: entity - whose load state is to be determined Return: false if the entity has not been loaded, else true Since: JPA 2.0

StoredProcedureQuery.execute() - JPA Method

JPA Method in javax.persistence.StoredProcedureQuery boolean execute () Return true if the first result corresponds to a result set, and false if it is an update count or if there are no results other than through INOUT and OUT parameters, if any. Return: true if first result corresponds to result

StoredProcedureQuery.hasMoreResults() - JPA Method

JPA Method in javax.persistence.StoredProcedureQuery boolean hasMoreResults () Return true if the next result corresponds to a result set, and false if it is an update count or if there are no results other than through INOUT and OUT parameters, if any. Return: true if next result corresponds

javax.persistence.criteria.AbstractQuery

. A false value will cause duplicates to be retained. If distinct has not been specified, duplicate

AbstractQuery.distinct(distinct) - JPA Method

JPA Method in javax.persistence.criteria.AbstractQuery AbstractQuery distinct (   boolean distinct ) Specify whether duplicate query results will be eliminated. A true value will cause duplicates to be eliminated. A false value will cause duplicates to be retained. If distinct

CriteriaBuilder.or(restrictions) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate or (   Predicate... restrictions ) Create a disjunction of the given restriction predicates. A disjunction of zero predicates is false . Parameters: restrictions - zero or more restriction predicates Return: or predicate Since: JPA 2.0

CriteriaBuilder.disjunction() - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate disjunction () Create a disjunction (with zero disjuncts). A disjunction with zero disjuncts is false . Return: or predicate Since: JPA 2.0

CriteriaBuilder.isFalse(x) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate isFalse (    Expression  x ) Create a predicate testing for a false value. Parameters: x - expression to be tested Return: predicate Since: JPA 2.0

CriteriaBuilder.isMember(elem,collection) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate isMember (    Expression  elem,     Expression  collection ) Create a predicate that tests whether an element is a member of a collection. If the collection is empty, the predicate will be false

CriteriaBuilder.isMember(elem,collection) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate isMember (   E elem,     Expression  collection ) Create a predicate that tests whether an element is a member of a collection. If the collection is empty, the predicate will be false . Parameters

javax.persistence.criteria.CriteriaQuery

whether duplicate query results will be eliminated. A true value will cause duplicates to be eliminated. A false

CriteriaQuery.distinct(distinct) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaQuery CriteriaQuery distinct (   boolean distinct ) Specify whether duplicate query results will be eliminated. A true value will cause duplicates to be eliminated. A false value will cause duplicates to be retained. If distinct

javax.persistence.criteria.Subquery

value will cause duplicates to be eliminated. A false value will cause duplicates to be retained

Subquery.distinct(distinct) - JPA Method

JPA Method in javax.persistence.criteria.Subquery Subquery distinct (   boolean distinct ) Specify whether duplicate query results will be eliminated. A true value will cause duplicates to be eliminated. A false value will cause duplicates to be retained. If distinct has not

javax.persistence.metamodel.EntityType

for a simple id or embedded id; returns false for an idclass. Return: boolean indicating

javax.persistence.metamodel.IdentifiableType

attribute. Returns true for a simple id or embedded id; returns false for an idclass. Return: boolean

IdentifiableType.hasSingleIdAttribute() - JPA Method

JPA Method in javax.persistence.metamodel.IdentifiableType boolean hasSingleIdAttribute () Whether the identifiable type has a single id attribute. Returns true for a simple id or embedded id; returns false for an idclass. Return: boolean indicating whether the identifiable type has a single id attribute Since: JPA 2.0

javax.persistence.metamodel.MappedSuperclassType

type has a single id attribute. Returns true for a simple id or embedded id; returns false

ClearLifecycleListener.preClear(event) - JDO Method

with RetainValues false and rollback with RestoreValues false . The method is called during any state transition