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Searching lists within objects

> attributeList = new ArrayList(); } @Entity @Unique(members={"type","value"}) class ... multiple Attribute instances with identical type / value by defining a composite unique index on type
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Should I use ObjectDB and JDO?

JDO API reference unique to ObjectDB, or is it an exact copy of some JDO 2.x API that I could find ... reference unique to ObjectDB, or is it an exact copy of some JDO 2.x API It is the same JDO. ObjectDB
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Update Entity references if we change the type of an entity

your application. Object IDs will have to be unique per entity type hierarchy rather than per type ... IDs will have to be unique per entity type hierarchy rather than per type.", but in your example
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Updating Entities

). Losing synchronization when using UPDATE queries is not unique to ObjectDB but a limitation ... that contain a distinct Entity each: Employee and Paygrade. Paygrade must remain unique and in
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ObjectDB version 2.3.3

#544). Added support of @Column(unique="true") and equivalent ORM XML (issue #550). Fixed
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@JoinColumn(nullable=false)

of the @ManyToOne and @OneToOne annotations. Similarly, see this forum thread regarding setting a unique constraint when using ObjectDB. bugsbunny2003
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A few questions on object database design

. After all, everything stored in player instances are unique to that player... So, is it OK to store
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Accessing objects to make them available after EntityManager close?!

; @Id @GeneratedValue Long id; @Unique private String word; private Set meanings
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After using the enhancer, Lazy loaded collections are no longer loading. They are set as null

, CascadeType.PERSIST}, mappedBy="account", fetch = FetchType.LAZY) @JoinColumn(name = "project_id", unique
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Change Sequcene Id

class to use the new sequence (note that you must verify that id collision is avoided and every entity object gets its own unique id). Tsu