Fast Object Database for Java - with JPA/JDO support

About lazy

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70

Retrieving JPA Entity Objects

is returned. A similar method, getReference, can be considered the lazy version of find: Employee ... using a lazy fetch type: @Entity class Employee { : @ManyToOne(fetch=FetchType.LAZY ... FetchType.LAZY in either @OneToOne or @ManyToOne annotations (currently ObjectDB does not distinguish
63

FetchType.LAZY

Enum Constant javax.persistence.FetchType LAZY Defines that data can be lazily fetched. Since: JPA 1.0
31

Mapped (Inverse) LAZY @OneToMany vs. Unmapped LAZY @OneToMany

to console a lazy @OneToMany mapped field after a finding entity manager closes. There is a switch DO_VIEW ... /resolved, as one would expect for LAZY: a.listA_mapped:[{A}[4]"ownedElement1", {A}[5]"ownedElement2 ... side of the relationship a.a. Q: Why is the LAZY behaviour different for mapped and unmapped lists ? package com
23

Problem with @Basic(fetch = FetchType.LAZY)

I have a class where two fields are annotated with @Basic(fetch = FetchType.LAZY ... ; @Basic(fetch = FetchType.LAZY) private String description; @Basic(fetch = FetchType.LAZY ... = FetchType.LAZY hint. Am I doing something wrong? (I am using objectdb-2.3.6_10) tia, Wim wim DC Wim
23

Possible issue with LAZY Loading

Hi, We need lazy loading for one of our large data sets. When I run currently against both 2.4.2 and 2.4.3_01 the db is always returning everything, including the data marked as Fetch.LAZY. I wrote ... Your observation in #2 is correct - LAZY loading doesn't necessarily mean that the data is inaccessible
23

LAZY @ManyToOne field functions as EAGER

to console a lazy @ManyToOne field after the entity manager closes. There is a switch DO_VIEW_BEFORE_CLOSE ... and as expected both a LAZY @ManyToOne field and an EAGER @ManyToOne field are viewable: b.cLazy:{C}[2 ... as @ManyToOne(fetch=FetchType.LAZY) ? package com.greensoft.objectdb.test.console; import javax
23

@OneToMany(fetch = FetchType.LAZY) list is always null

Hello. @OneToMany(fetch = FetchType.LAZY) doesn't work when using EJB or something else related ... ") private int id; @OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL) private List ... > Vladiator Vlad Myachikov A lazy relationship is available
23

Multi threading on DMOs by lazy loading

It is possible to use lazy loading on fields of attached entities by several threads? Example: class EntityZ { @OneToOne(fetch = FetchType.LAZY) EntityX fieldX; @OneToOne(fetch = FetchType.LAZY) EntityY fieldY; @ElementCollection (fetch = FetchType.LAZY) List
22

Does ObjectDB support lazy loading?

I'm evaluating ObjectDB 2.0 RC1. Everything works fine except a lazy loading problem. I've a Parent ... support lazy loading, am I right? psfung Samuel Fung ObjectDB does support both lazy and eager loading ... that demonstrates that issue. The following sample program demonstrates lazy loading: package com.objectdb.test
22

Failed to write the value of field using reflection (error 363) on LAZY fetch

with a query where I have set to use LAZY initalization. It fails when it tries to set a 1:n member (e.g. a Modell has several Artikels) . When I remove the LAZY hint (query.setHint("objectdb.result-fetch", "LAZY");) on the query execution it works. I assume it has to do with the @Transactional

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