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thread safe (as would a ConcurrentLinkedHashMap). FETCH thread nr (36) count: 982 UIDs in 26 msek FETCH thread nr (41) count: 982 UIDs in 29 msek FETCH thread nr (44) count: 982 UIDs in 14 msek FETCH thread nr (39) count: 982 UIDs in 25 msek FETCH thread nr (42) count: 982 UIDs in 31 msek FETCH

(cascade = CascadeType.ALL, fetch = FetchType.EAGER) private Person person; @Index private String phn; private String comments; /* Create Properties */ @ManyToOne( fetch = FetchType.LAZY) private WebUser ... .persistence.TemporalType.DATE) private Date createdOn; @ManyToOne( fetch = FetchType.LAZY) private

; @OneToMany( fetch =FetchType.LAZY) public List actions = new ArrayList (); @OneToMany( fetch =FetchType.LAZY) public List childNodes = new ArrayList (); @OneToMany( fetch =FetchType.LAZY) public List container = new ArrayList (); @OneToOne( fetch =FetchType.LAZY) public ObjectNode currentLocation; @OneToOne

;  @OneToMany( fetch = FetchType.EAGER, cascade = CascadeType.ALL) public long[] time;     @OneToMany( fetch = FetchType.EAGER, cascade = CascadeType.ALL) private long[][] a1;     @OneToMany( fetch = FetchType.EAGER, cascade = CascadeType.ALL) private long[][] a2;  

has a OneToMany relationship to DataElement. Every relationship is eagerly fetched   Problem ... amount: Element.getCosts().get(0).getAmount() X   Could it be that despite being fetched eager ... ; etc... } @MappedSuperclass public abstract class BaseCostElement extends BaseElement { @ElementCollection ( fetch

. (Especially if using LAZY fetch sub object). Do I always just get the list of objects as it looks when the fetch start? Martin   mt Martin Every EntityManager manages its own memory objects ... own defined as @OneToMany( fetch =FetchType.LAZY) List bookList; (And in this example, there is only 1 object in

, and particularly how exactly that map is defined and with which fetch type. If the problem ... ; @OneToMany(cascade=CascadeType.PERSIST, fetch =FetchType.EAGER)         ... ;    fetch =FetchType.EAGER, orphanRemoval=true)       

T fetch (Company company, Long primaryKey) {   mLogger.info(" Fetching type: {} with id ... ;@Override public T fetch (Company company, Long primaryKey) {   mLogger.info(" Fetching type ... T fetch (Company company, Long primaryKey) {   mLogger.info(" Fetching type: {} with id

). The problem is probably with the extensive EAGER setting in Product , and particularly with eager fetch of inverse (mapped by) collections. Massive inverse fetch is currently inefficient and has to be improved ... ( setMaxResults ). Does that number affect? You may try running the query with a lazy fetch hint (as done by

may be lazily fetched . If the requested instance does not exist in the database

JPA Enum Constant in javax.persistence.FetchType EAGER Defines that data must be eagerly fetched . Since: JPA 1.0

JPA Enum Constant in javax.persistence.FetchType LAZY Defines that data can be lazily fetched . Since: JPA 1.0

JPA Method in javax.persistence.EntityManager T getReference (   Class  entityClass,    Object primaryKey ) Get an instance, whose state may be lazily fetched . If the requested instance does not exist in the database, the EntityNotFoundException is thrown

JPA Enum JoinType java.lang.Object ∟  java.lang.Enum ∟  javax.persistence.criteria.JoinType Defines the three types of joins. Right outer joins and right outer fetch joins are not required to be supported. Applications that use RIGHT join types will not be portable. Since: JPA 2.0 Enum

() { return ownedElements; } private Element owner; @ManyToOne( fetch = FetchType.LAZY) @JoinTable(name ... might be the problem here. Try setting the fetch type of  ownedElements to EAGER and check ... (the default fetch type for to-many) - the entity objects are detached without that field

a boolean flag. @Entity class MyStepBlockCollection { @OneToMany ( cascase = ALL , fetch = Lazy ... = ALL , fetch = Lazy , target = MyStep } ArrayList steps; } @Entity { class MyStep { @ElementCollection ( fetch = LAZY ) ArrayList values; } @Embeddable class MyValue { @Basic boolean flag; @Basic String

;       @OneToMany(cascade= CascadeType.ALL, fetch = FetchType.EAGER ... ;    @OneToOne( fetch = FetchType.LAZY, cascade = CascadeType.ALL)     ... ;       @ManyToOne( fetch = FetchType.LAZY)      

JDO Method in javax.jdo.Extent FetchPlan getFetchPlan () Get the fetch plan associated with this Extent. Return: the fetch plan Since: JDO 2.0

JDO Method in javax.jdo.PersistenceManagerFactory Set getFetchGroups () Get a modifiable Set containing a mutable copy of all currently active (in scope) fetch groups. The methods addFetchGroups ... : a copy of all currently active fetch groups Throws: SecurityExceptionif the caller is not authorized for {@link JDOPermission} ("getMetadata") Since: JDO 2.2

JDO Annotation Attribute in javax.jdo.annotations.FetchPlan String[] fetchGroups default {} The fetch groups in this fetch plan. Since: JDO 2.1

JDO Annotation Attribute in javax.jdo.annotations.FetchGroup String[] fetchGroups default {} Fetch groups to be nested (included) in this fetch group. Since: JDO 2.1

JDO Annotation FetchGroups Target: ElementType.TYPE Implemented Interfaces: Annotation Annotation for a group of fetch -group objects Since: JDO 2.1 Public Annotation Attributes FetchGroup[] value default null The Fetch Groups Since: JDO 2.1

JDO Method in javax.jdo.FetchPlan Set getGroups () Return an immutable Set containing the names of all active fetch groups. The Set is a copy of the currently active groups and will not change based on subsequent changes to the groups. Return: an immutable Set containing the names of all currently active fetch groups Since: JDO 2.0

ObjectIdFieldSupplier : the field value is fetched from the ObjectIdFieldSupplier and passed to the single field

JDO Method in javax.jdo.FetchPlan FetchPlan clearGroups () Remove all active groups leaving no active fetch group. Return: the FetchPlan Since: JDO 2.0

JDO Method in javax.jdo.PersistenceManagerFactory void addFetchGroups (   FetchGroup... groups ) Add the FetchGroup s to the set of active fetch groups. FetchGroup s are made unmodifiable before being added. FetchGroup s that match existing FetchGroup s replace the corresponding

is fetched from the ObjectIdFieldSupplier and passed to the single field identity constructor String

JDO Annotation Attribute in javax.jdo.annotations.Persistent String loadFetchGroup default "" Name of the fetch -group to use when this member is loaded due to being referenced when not already loaded. Since: JDO 2.1

JDO Annotation Attribute in javax.jdo.annotations.Persistent String defaultFetchGroup default "" Whether this member is in the default fetch group. Since: JDO 2.1

JDO Method in javax.jdo.FetchGroup int hashCode () Return the hashCode for this instance. The hash code should combine both the class and fetch group name. The hash codes for two equal instances must be identical. Return: the hash code Since: JDO 2.2

JDO Method in javax.jdo.FetchGroup boolean equals (   Object other ) Return whether this instance is equal to the other. The equals method must compare the class for identity and the fetch group name for equality. Return: whether this instance is equal to the other Since: JDO 2.2

to the single field identity constructor ObjectIdFieldSupplier : the field value is fetched from

. Parameters: cls - the class or interface for the FetchGroup name - the name of the fetch group

. useFetchPlan - whether to use the current fetch plan to determine which fields to load and which instances to make transient Since: JDO 2.1

. useFetchPlan - whether to use the current fetch plan to determine which fields to load

. useFetchPlan - whether to use the current fetch plan to determine which fields to load and which instances to make transient Since: JDO 2.0

: pc - the root instance to make transient. useFetchPlan - whether to use the current fetch plan

JDO Annotation Attribute in javax.jdo.annotations.FetchGroup String name default "" Name of the fetch group. Since: JDO 2.1

JDO Annotation FetchPlans Target: ElementType.TYPE Implemented Interfaces: Annotation Annotation for a group of FetchPlan objects Since: JDO 2.1 Public Annotation Attributes FetchPlan[] value default null The Fetch Plans Since: JDO 2.1

JDO Annotation Attribute in javax.jdo.annotations.FetchPlans FetchPlan[] value default null The Fetch Plans Since: JDO 2.1

JDO Annotation Attribute in javax.jdo.annotations.FetchPlan String name default "" Name of the fetch plan. Since: JDO 2.1

JDO Annotation Attribute in javax.jdo.annotations.FetchGroup Persistent [] members default null Members (fields and properties) of the fetch group. The members should contain only name and recursionDepth. Since: JDO 2.1

JDO Annotation Attribute in javax.jdo.annotations.FetchGroups FetchGroup[] value default null The Fetch Groups Since: JDO 2.1

JDO Method in javax.jdo.FetchPlan FetchPlan setGroups (   String... fetchGroupNames ) Set a collection of groups. Parameters: fetchGroupNames - a String array of names of fetch groups Return: the FetchPlan Since: JDO 2.0

JDO Method in javax.jdo.FetchPlan FetchPlan setGroups (   Collection fetchGroupNames ) Set a collection of groups. Parameters: fetchGroupNames - a collection of names of fetch groups Return: the FetchPlan Since: JDO 2.0

constructor ObjectIdFieldSupplier : the field value is fetched from the ObjectIdFieldSupplier and passed

JDO Static Field in javax.jdo.FetchPlan DETACH_LOAD_FIELDS For use with PersistenceManager.detachCopy and setDetachmentOptions . Specifies that fields that are not loaded but are in the current fetch plan should be loaded prior to detachment. Since: JDO 2.0

JDO Static Field in javax.jdo.FetchPlan DETACH_UNLOAD_FIELDS For use with PersistenceManager.detachCopy and setDetachmentOptions . Specifies that fields that are loaded but not in the current fetch plan should be unloaded prior to detachment. Since: JDO 2.0

JDO Annotation Attribute in javax.jdo.annotations.Query String fetchPlan default "" The name of the fetch plan used by this query Since: JDO 2.1

"" The name of the fetch plan used by this query Since: JDO 2.1 String language default "JDOQL" The query