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JDO Doc
4

getGroups()

Method 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. Returns: an immutable Set containing the names of all currently active fetch groups Since: JDO 2.0
JPA Doc
4

javax.persistence.EntityManager

may be lazily fetched. Get an instance, whose state may be lazily fetched. If the requested instance does
JPA Doc
4

javax.persistence.Lob

, and except for string and character-based types defaults to Blob. Example 1: @Lob @Basic(fetch=LAZY) @Column(name="REPORT") protected String report; Example 2: @Lob @Basic(fetch=LAZY) @Column(name
JDO Doc
4

Persistent.defaultFetchGroup

Annotation Element javax.jdo.annotations.Persistent String defaultFetchGroup Whether this member is in the default fetch group. Returns: whether this member is in the default fetch group Default value: "" Since: JDO 2.1
JDO Doc
4

Persistent.loadFetchGroup

Annotation Element javax.jdo.annotations.Persistent String loadFetchGroup Name of the fetch-group to use when this member is loaded due to being referenced when not already loaded. Returns: the name of the load fetch group Default value: "" Since: JDO 2.1
JDO Doc
4

Query.fetchPlan

Annotation Element javax.jdo.annotations.Query String fetchPlan The name of the fetch plan used by this query Returns: the fetch plan Default value: "" Since: JDO 2.1
JDO Doc
4

removeGroup(fetchGroupName)

Method javax.jdo.FetchPlan FetchPlan removeGroup(   String fetchGroupName ) Remove the fetch group from the set active fetch groups. Parameters: fetchGroupName - Returns: the FetchPlan Since: JDO 2.0
JDO Doc
4

setDetachAllOnCommit(flag)

, during beforeCompletion all cached instances are prepared for detachment according to the fetch plan in effect at commit. Loading fields and unloading fields required by the fetch plan is done after calling
JDO Doc
4

setRecursionDepth(memberName, recursionDepth)

Method javax.jdo.FetchGroup FetchGroup setRecursionDepth(   String memberName,   int recursionDepth ) Set the recursion-depth for this member. The default is 1. A value of 0 means don't fetch the member (as if the member were omitted entirely). A value of -1 means fetch all instances reachable
Forum
4

significant performance decrease

usedStandardObjectTypeVersion; public Double usedSolutionObjectTypeVersion; @OneToMany(fetch=FetchType.LAZY) public List actions = new ArrayList(); @OneToMany(fetch=FetchType.LAZY) public List childNodes = new ArrayList(); @OneToMany(fetch