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JPA Doc
82

contains(cls, primaryKey)

Method javax.persistence.Cache boolean contains(   Class cls,   Object primaryKey ) Whether the cache contains data for the given entity. Parameters: cls - entity class primaryKey - primary key Returns: boolean indicating whether the entity is in the cache Since: JPA 2.0
JPA Doc
81

contains(entity)

Method javax.persistence.EntityManager boolean contains(   Object entity ) Check if the instance is a managed entity instance belonging to the current persistence context. Parameters: entity - entity instance Returns: boolean indicating if entity is in persistence context Throws: IllegalArgumentException - if not an entity Since: JPA 1.0
Manual
64

Working with JPA Entity Objects

or soft references instead of weak references. The contains method can check if a specified entity object is in the persistence context: boolean isManaged = em.contains(employee
Tutorial
61

Java EE 6 Web Tutorial

. If you need a web application that can run on a simple servlet container (such as Tomcat or Jetty
Manual
61

Shared (L2) Entity Cache

: boolean isCached = cache.contains(MyEntity.class, Long.valueOf(id)); Cached entity objects
Tutorial
53

Eclipse/JPA Java EE 6 Tutorial

Step by step tutorial that demonstrates how to build a simple Java EE web application (with Servlet, JSP and an EJB Session Bean) in Eclipse using JPA.
Tutorial
53

NetBeans/JPA Java EE 6 Tutorial

Step by step tutorial that demonstrates how to build a simple Java EE web application (with Servlet, JSP and an EJB Session Bean) in NetBeans using JPA.
Issue
27

InternalException when querying indexed field using a list that contains duplicates

the specific case when: A query filter like this is used: ":ids.contains(originalId)" originalId is an indexed String field on the candidate class :ids is a list which contains a duplicate entry If the field is unindexed, or :ids does not contain duplicates, the exception is not thrown and the query
Forum
27

String Contains Query Result - Possible?

Hi, I have a managed database for an Entity, "Program", containing a String field, "description ... , the only solution I have is to iterate over all the Program objects manually and find one that is contained ... ) { for(Program p : allPrograms()) if(desc.contains(p.getDescription())) return p; return null
Forum
27

Logging archive contains non-objectdb log files

Hi, I'm dealing with problem, that objectdb's log archive folder contains several other log files which are not part of objectdb. We use single location for our application log files and also objectdb log files. When application crashes or retarts, we noticed that several of our log files reside