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JPA Annotation Lob Target: METHOD, FIELD Implemented Interfaces: Annotation Specifies that a persistent property or field should be persisted as a large object to a database-supported large object ... . The Lob type is inferred from the type of the persistent field or property , and except for string

field or property ; "_"; "KEY". Example: @Entity public class Item { @Id int id; ... @ElementCollection ... of the referencing relationship field or property ; "_"; " KEY ". Since: JPA 2.0 boolean nullable default false

.) The concatenation of the following: the name of the referencing relationship property or field ... ) Whether the property is a unique key. This is a shortcut for the UniqueConstraint annotation

JPA Method in javax.persistence.Query Map getHints () Get the properties and hints and associated values that are in effect for the query instance. Return: query properties and hints Since: JPA 2.0

JPA Annotation Temporal Target: METHOD, FIELD Implemented Interfaces: Annotation This annotation must be specified for persistent fields or properties of type java.util.Date and java.util.Calendar . It may only be specified for fields or properties of these types. The Temporal annotation

JPA Annotation Transient Target: METHOD, FIELD Implemented Interfaces: Annotation Specifies that the property or field is not persistent. It is used to annotate a property or field of an entity class, mapped superclass, or embeddable class. Example: @Entity public class Employee { @Id int id

. properties .doubleValue FROM Action a WHERE a.type = 0 and a.subType = 3 and a.state = 3 and a.endDate = ?1 ... . properties .name = 'scheduledSlot') GROUP BY a.endDate, a.objectsInCharge.nodePath, a.objectsInCharge. properties .doubleValue In the class Action we have a combined index (see attachment) but in the query plan

default null (Required) Specification of field- or property -based access. Since: JPA 2.0

JPA Annotation Attribute in javax.persistence.Access AccessType value default null (Required) Specification of field- or property -based access. Since: JPA 2.0

JPA Annotation Attribute in javax.persistence.AssociationOverrides AssociationOverride [] value default null (Required) The association override mappings that are to be applied to the relationship field or property . Since: JPA 1.0

JPA Annotation Attribute in javax.persistence.AttributeOverrides AttributeOverride [] value default null (Required) One or more field or property mapping overrides. Since: JPA 1.0

JPA Annotation Attribute in javax.persistence.Basic FetchType fetch default EAGER (Optional) Defines whether the value of the field or property should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the value must be eagerly

JPA Annotation Attribute in javax.persistence.Basic boolean optional default true (Optional) Defines whether the value of the field or property may be null. This is a hint and is disregarded for primitive types; it may be used in schema generation. If not specified, defaults to true . Since: JPA 1.0

JPA Enum CacheRetrieveMode java.lang.Object ∟  java.lang.Enum ∟  javax.persistence.CacheRetrieveMode Used as the value of the javax.persistence.cache.retrieveMode property to specify the behavior when data is retrieved by the find methods and by queries. Since: JPA 2.0 The Shared (L2

JPA Enum CacheStoreMode java.lang.Object ∟  java.lang.Enum ∟  javax.persistence.CacheStoreMode Used as the value of the javax.persistence.cache.storeMode property to specify the behavior when data is read from the database and when data is committed into the database. Since: JPA 2.0

JPA Annotation Attribute in javax.persistence.Column String name default "" (Optional) The name of the column. Defaults to the property or field name. Since: JPA 1.0

. This element is optional only if the collection field or property is defined using Java generics

JPA Annotation Attribute in javax.persistence.ElementCollection Class targetClass default void.class (Optional) The basic or embeddable class that is the element type of the collection. This element is optional only if the collection field or property is defined using Java generics

JPA Annotation Embeddable Target: TYPE Implemented Interfaces: Annotation Specifies a class whose instances are stored as an intrinsic part of an owning entity and share the identity of the entity. Each of the persistent properties or fields of the embedded object is mapped to the database table

JPA Annotation Embedded Target: METHOD, FIELD Implemented Interfaces: Annotation Specifies a persistent field or property of an entity whose value is an instance of an embeddable class. The embeddable class must be annotated as Embeddable . The AttributeOverride , AttributeOverrides

JPA Annotation EmbeddedId Target: METHOD, FIELD Implemented Interfaces: Annotation Applied to a persistent field or property of an entity class or mapped superclass to denote a composite primary key that is an embeddable class. The embeddable class must be annotated as Embeddable

of the query to the properties or fields of the entity class. Since: JPA 1.0

JPA Annotation Attribute in javax.persistence.EntityResult FieldResult [] fields default {} Maps the columns specified in the SELECT list of the query to the properties or fields of the entity class. Since: JPA 1.0

JPA Enum Constant in javax.persistence.EnumType ORDINAL Persist enumerated type property or field as an integer. Since: JPA 1.0

JPA Enum Constant in javax.persistence.EnumType STRING Persist enumerated type property or field as a string. Since: JPA 1.0

JPA Annotation Enumerated Target: METHOD, FIELD Implemented Interfaces: Annotation Specifies that a persistent property or field should be persisted as a enumerated type. The Enumerated annotation may be used in conjunction with the Basic annotation, or in conjunction with the ElementCollection

JPA Annotation Attribute in javax.persistence.FieldResult String name default null Name of the persistent field or property of the class. Since: JPA 1.0

JPA Annotation GeneratedValue Target: METHOD, FIELD Implemented Interfaces: Annotation Provides for the specification of generation strategies for the values of primary keys. The GeneratedValue annotation may be applied to a primary key property or field of an entity or mapped superclass in

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

JPA Annotation Attribute in javax.persistence.ManyToMany Class targetEntity default void.class (Optional) The entity class that is the target of the association. Optional only if the collection-valued relationship property is defined using Java generics. Must be specified otherwise. Defaults

JPA Annotation Attribute in javax.persistence.ManyToOne Class targetEntity default void.class (Optional) The entity class that is the target of the association. Defaults to the type of the field or property that stores the association. Since: JPA 1.0

JPA Annotation Attribute in javax.persistence.MapKey String name default "" (Optional) The name of the persistent field or property of the associated entity that is used as the map key. Default: If the name element is not specified, the primary key of the associated entity is used as the map key

that is the value of the map. Defaults to the concatenation of the following: the name of the referencing relationship field or property ; "_"; " KEY ". Since: JPA 2.0

of the referencing relationship property or field of the referencing entity or embeddable class; "_"; "KEY". Since: JPA 2.0

JDO Method in javax.jdo.FetchGroup boolean getPostLoad () Get the post-load property of this FetchGroup. Return: the post-load property Since: JDO 2.2

of the field or property recursionDepth - the value for the recursion-depth property Return: the FetchGroup

to the getPersistenceManagerFactory method that takes a Map of overrides and a Map of properties , passing null as the overrides parameter. Parameters: props - a Map with properties of the PersistenceManagerFactory . pmfClassLoader

on the properties stored in the file at propsFile . This method is equivalent to invoking ... : propsFile - the file containing the Properties Return: the PersistenceManagerFactory Since: JDO 2.0

a PersistenceManagerFactory configured based on the properties stored in the file at propsFile . Creates ... the Properties loader - the class loader to use to load the PersistenceManagerFactory class Return: the PersistenceManagerFactory Since: JDO 2.0

on the Properties stored in the input stream at stream . This method is equivalent to invoking ... . Parameters: stream - the stream containing the Properties Return: the PersistenceManagerFactory Since: JDO 2.0

a PersistenceManagerFactory configured based on the Properties stored in the input stream at stream . Creates ... will be wrapped in a JDOFatalUserException . Parameters: stream - the stream containing the Properties loader

JDO Method in javax.jdo.PersistenceManagerFactory void setRestoreValues (   boolean restoreValues ) Set the default value for the RestoreValues property . If true , at rollback, fields ... does not support this option, a JDOUnsupportedOptionException is thrown. Parameters: restoreValues - the value of the restoreValues property Since: JDO 1.0

JDO Method in javax.jdo.PersistenceManagerFactory boolean getRestoreValues () Get the default value for the RestoreValues property . Return: the value of the restoreValues property Since: JDO 1.0

JDO Method in javax.jdo.Transaction boolean getRestoreValues () Return the current value of the restoreValues property . Return: the value of the restoreValues property Since: JDO 1.0

JDO Annotation Cacheable Target: ElementType.TYPE, ElementType.FIELD, ElementType.METHOD Implemented Interfaces: Annotation Annotation to specify that this class/field/ property is cacheable in a Level 2 cache. This corresponds to the xml attribute "cacheable" of the "class", "field" and " property

at the type level and not the field or property level. This allows multiple fields and properties to share

JDO Annotation Attribute in javax.jdo.annotations.Joins Join [] value default null The join definitions used for the mapping of this type. Joins for secondary tables are usually defined at the type level and not the field or property level. This allows multiple fields and properties to share

JDO Enum PersistenceModifier java.lang.Object ∟  java.lang.Enum ∟  javax.jdo.annotations.PersistenceModifier Enumeration of the persistence-modifier values for a field or property . This corresponds to the "persistence-modifier" attribute of the "field" and " property " elements. Since: JDO

JDO Annotation Serialized Target: ElementType.FIELD, ElementType.METHOD Implemented Interfaces: Annotation Annotation on a member (field or property ) to indicate that the member is stored serialized ... " and " property " elements. This is the same as specifying @Persistent(serialized="true"). Since: JDO 2

JDO Annotation Transactional Target: ElementType.FIELD, ElementType.METHOD Implemented Interfaces: Annotation Annotation to indicate that a member (field or property ) is transactional but not ... " and " property " elements. Since: JDO 2.1 This annotation is a marker annotation (with no attributes).