Examples of org.apache.openejb.persistence.JtaEntityManager

org.apache.openejb.persistence.JtaEntityManager
The JtaEntityManager is a wrapper around an entity manager that automatically creates and closes entity managers for each transaction in which it is accessed. This implementation supports both transaction and extended scoped JTA entity managers.
It is important that extended scoped entity managers add entity managers to the JtaEntityManagerRegistry when the component is entered and remove them when exited. If this registration is not preformed, an IllegalStateException will be thrown when entity manger is used. It is important that a component adds extended scoped entity managers to the JtaEntityManagerRegistry when the component is entered and removes them when exited. If this registration is not preformed, an IllegalStateException will be thrown when entity manger is accessed.

        // get JtaEntityManagerRegistry
        JtaEntityManagerRegistry jtaEntityManagerRegistry = SystemInstance.get().getComponent(JtaEntityManagerRegistry.class);


        EntityManagerFactory factory = getPersistenceUnit( unitName );


        JtaEntityManager jtaEntityManager = new JtaEntityManager(jtaEntityManagerRegistry, factory, null, false);


        return jtaEntityManager;
    }

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        // get JtaEntityManagerRegistry
        JtaEntityManagerRegistry jtaEntityManagerRegistry = SystemInstance.get().getComponent(JtaEntityManagerRegistry.class);


        EntityManagerFactory factory = getPersistenceUnit(context, unitName, EntityManagerFactory.class);


        JtaEntityManager jtaEntityManager = new JtaEntityManager(jtaEntityManagerRegistry, factory, null, false);


        return clazz.cast(jtaEntityManager);
    }

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                factory = (EntityManagerFactory) context.lookup(jndiName);
            } catch (NamingException e) {
                throw new OpenEJBException("PersistenceUnit '" + contextInfo.unitId + "' not found for EXTENDED ref '" + contextInfo.referenceName + "'");
            }


            JtaEntityManager jtaEntityManager = new JtaEntityManager(contextInfo.persistenceUnitName, jtaEntityManagerRegistry, factory, contextInfo.properties, contextInfo.extended);
            Reference reference = new PersistenceContextReference(jtaEntityManager);
            bindings.put(normalize(contextInfo.referenceName), reference);
        }


        for (ServiceReferenceInfo referenceInfo : jndiEnc.serviceRefs) {

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        // get JtaEntityManagerRegistry
        JtaEntityManagerRegistry jtaEntityManagerRegistry = SystemInstance.get().getComponent(JtaEntityManagerRegistry.class);


        EntityManagerFactory factory = getPersistenceUnit(context, unitName, EntityManagerFactory.class);


        JtaEntityManager jtaEntityManager = new JtaEntityManager(jtaEntityManagerRegistry, factory, null, false);


        return clazz.cast(jtaEntityManager);
    }

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            } catch (NamingException e) {
                throw new IllegalStateException("PersistenceUnit '" + ref.unitId + "' not found for EXTENDED ref '" + ref.referenceName.replaceAll("^comp/env/", "") + "'");
            }


            JtaEntityManagerRegistry jtaEntityManagerRegistry = SystemInstance.get().getComponent(JtaEntityManagerRegistry.class);
            JtaEntityManager jtaEntityManager = new JtaEntityManager(ref.persistenceUnitName, jtaEntityManagerRegistry, factory, ref.properties, ref.extended);
            Object object = jtaEntityManager;
            setResource(resource, object);
        }


        if (addEntry) {

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                factory = (EntityManagerFactory) context.lookup("openejb/PersistenceUnit/" + contextInfo.unitId);
            } catch (NamingException e) {
                throw new OpenEJBException("PersistenceUnit '" + contextInfo.unitId + "' not found for EXTENDED ref '" + contextInfo.referenceName + "'");
            }


            JtaEntityManager jtaEntityManager = new JtaEntityManager(jtaEntityManagerRegistry, factory, contextInfo.properties, contextInfo.extended);
            Reference reference = new PersistenceContextReference(jtaEntityManager);
            bindings.put(normalize(contextInfo.referenceName), reference);
        }


        for (ServiceReferenceInfo referenceInfo : jndiEnc.serviceRefs) {

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            } catch (NamingException e) {
                throw new IllegalStateException("PersistenceUnit '" + ref.unitId + "' not found for EXTENDED ref '" + ref.referenceName + "'");
            }


            JtaEntityManagerRegistry jtaEntityManagerRegistry = SystemInstance.get().getComponent(JtaEntityManagerRegistry.class);
            JtaEntityManager jtaEntityManager = new JtaEntityManager(jtaEntityManagerRegistry, factory, ref.properties, ref.extended);
            Object object = jtaEntityManager;
            setResource(resource, object);
        }


        if (addEntry) {

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                factory = (EntityManagerFactory) context.lookup(jndiName);
            } catch (final NamingException e) {
                throw new OpenEJBException("PersistenceUnit '" + contextInfo.unitId + "' not found for EXTENDED ref '" + contextInfo.referenceName + "'");
            }


            final JtaEntityManager jtaEntityManager = new JtaEntityManager(contextInfo.persistenceUnitName, jtaEntityManagerRegistry, factory, contextInfo.properties, contextInfo.extended);
            final Reference reference = new PersistenceContextReference(jtaEntityManager);
            bindings.put(normalize(contextInfo.referenceName), reference);
        }


        for (final ServiceReferenceInfo referenceInfo : jndiEnc.serviceRefs) {

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            } catch (NamingException e) {
                throw new IllegalStateException("PersistenceUnit '" + ref.unitId + "' not found for EXTENDED ref '" + ref.referenceName + "'");
            }


            JtaEntityManagerRegistry jtaEntityManagerRegistry = SystemInstance.get().getComponent(JtaEntityManagerRegistry.class);
            JtaEntityManager jtaEntityManager = new JtaEntityManager(ref.persistenceUnitName, jtaEntityManagerRegistry, factory, ref.properties, ref.extended);
            Object object = jtaEntityManager;
            setResource(resource, object);
        }


        if (addEntry) {

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                factory = (EntityManagerFactory) context.lookup("openejb/PersistenceUnit/" + contextInfo.unitId);
            } catch (NamingException e) {
                throw new OpenEJBException("PersistenceUnit '" + contextInfo.unitId + "' not found for EXTENDED ref '" + contextInfo.referenceName + "'");
            }


            JtaEntityManager jtaEntityManager = new JtaEntityManager(contextInfo.persistenceUnitName, jtaEntityManagerRegistry, factory, contextInfo.properties, contextInfo.extended);
            Reference reference = new PersistenceContextReference(jtaEntityManager);
            bindings.put(normalize(contextInfo.referenceName), reference);
        }


        for (ServiceReferenceInfo referenceInfo : jndiEnc.serviceRefs) {

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