Examples of EntityManager

com.cloud.utils.db.EntityManager
Generic Entity Manager to retrieve database objects.
com.echoeight.bison.entity.EntityManager
com.l2client.controller.entity.EntityManager
Singleton which manages entities, components and queries around them. @see ComponentSystem
com.pointcliki.core.EntityManager
The EntityManager is a global tracker of Entities that allows classes to always maintain a way of accessing the correct versions of entities in the game. Because entities are cloned when they are saved, it may be difficult to ensure that references to entities are kept up to date, so they should instead use an EntityQuery which automatically retrieves the latest entity if an older or different game state is loaded. An entity has an ID which is unique to that entity for the duration it is attached to a scene. When an entity changes scene, it is re-registered so that the entity can be restored in its previous scene if that scene loads an older game state where the entity was still parented to that scene. @see EntityQuery @author hugheth @since 1
com.teamjmonkey.entity.EntityManager
games.stendhal.server.core.rule.EntityManager
Ruleset Interface for resolving Entities in Stendhal. @author Matthias Totz
gwlpr.mapshard.entitysystem.EntityManager
b.com/adamgit/Entity-System-RDBMS-Beta--Java- @author _rusty
javax.persistence.EntityManager
Interface used to interact with the persistence context. An EntityManager instance is associated with a persistence context. A persistence context is a set of entity instances in which for any persistent entity identity there is a unique entity instance. Within the persistence context, the entity instances and their lifecycle are managed. This interface defines the methods that are used to interact with the persistence context. The EntityManager API is used to create and remove persistent entity instances, to find entities by their primary key, and to query over entities. The set of entities that can be managed by a given EntityManager instance is defined by a persistence unit. A persistence unit defines the set of all classes that are related or grouped by the application, and which must be colocated in their mapping to a single database. @author Emmanuel Bernard
m33.entities.EntityManager
org.terasology.entitySystem.entity.EntityManager
@author Immortius
quickdb.reflection.EntityManager
@author Diego Sarmentero

Examples of javax.persistence.EntityManager

        Reader reader = new InputStreamReader( TaskServiceEscalationBaseTest.class.getResourceAsStream( "../QueryData_UnescalatedDeadlines.mvel" ) );
        List<Task> tasks = (List<Task>) eval( reader,
                                              vars );
        long now = ((Date)vars.get( "now" )).getTime();
        
        EntityManager em = emf.createEntityManager();
        em.getTransaction().begin();
        for ( Task task : tasks ) {
            // for this one we put the task in directly;
            em.persist( task );
        }
        em.getTransaction().commit();


        // now create a new service, to see if it initiates from the DB correctly
        MockEscalatedDeadlineHandler handler = new MockEscalatedDeadlineHandler();
        TaskService local = new TaskService(emf, SystemEventListenerFactory.getSystemEventListener(), handler);

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Examples of javax.persistence.EntityManager

    public void testPersistenceVariables() throws NamingException, NotSupportedException, SystemException, RollbackException, HeuristicMixedException, HeuristicRollbackException {
        MyEntity myEntity = new MyEntity("This is a test Entity with annotation in fields");
        MyEntityMethods myEntityMethods = new MyEntityMethods("This is a test Entity with annotations in methods");
        MyEntityOnlyFields myEntityOnlyFields = new MyEntityOnlyFields("This is a test Entity with annotations in fields and without accesors methods");
        MyVariableSerializable myVariableSerializable = new MyVariableSerializable("This is a test SerializableObject");
        EntityManager em = emf.createEntityManager();
        UserTransaction utx = (UserTransaction) new InitialContext().lookup( "java:comp/UserTransaction" );
        utx.begin();
        em.joinTransaction();
        em.persist(myEntity);
        em.persist(myEntityMethods);
        em.persist(myEntityOnlyFields);
        utx.commit();
        em.close();
        Environment env =  createEnvironment();
        KnowledgeBase kbase = createKnowledgeBase( "VariablePersistenceStrategyProcess.rf" );
        StatefulKnowledgeSession ksession = createSession( kbase, env );

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Examples of javax.persistence.EntityManager

    public void testPersistenceVariablesWithTypeChange() throws NamingException, NotSupportedException, SystemException, RollbackException, HeuristicMixedException, HeuristicRollbackException {
        MyEntity myEntity = new MyEntity("This is a test Entity with annotation in fields");
        MyEntityMethods myEntityMethods = new MyEntityMethods("This is a test Entity with annotations in methods");
        MyEntityOnlyFields myEntityOnlyFields = new MyEntityOnlyFields("This is a test Entity with annotations in fields and without accesors methods");
        MyVariableSerializable myVariableSerializable = new MyVariableSerializable("This is a test SerializableObject");
        EntityManager em = emf.createEntityManager();
        UserTransaction utx = (UserTransaction) new InitialContext().lookup( "java:comp/UserTransaction" );
        utx.begin();
        em.joinTransaction();
        em.persist(myEntity);
        em.persist(myEntityMethods);
        em.persist(myEntityOnlyFields);
        utx.commit();
        em.close();
        Environment env = createEnvironment();
        KnowledgeBase kbase = createKnowledgeBase( "VariablePersistenceStrategyProcessTypeChange.rf" );
        StatefulKnowledgeSession ksession = createSession( kbase, env );

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Examples of javax.persistence.EntityManager

        
        MyEntity myEntity = new MyEntity("This is a test Entity with annotation in fields");
        MyEntityMethods myEntityMethods = new MyEntityMethods("This is a test Entity with annotations in methods");
        MyEntityOnlyFields myEntityOnlyFields = new MyEntityOnlyFields("This is a test Entity with annotations in fields and without accesors methods");
        MyVariableSerializable myVariableSerializable = new MyVariableSerializable("This is a test SerializableObject");
        EntityManager em = emf.createEntityManager();
        UserTransaction utx = (UserTransaction) new InitialContext().lookup( "java:comp/UserTransaction" );
        utx.begin();
        em.joinTransaction();
        em.persist(myEntity);
        em.persist(myEntityMethods);
        em.persist(myEntityOnlyFields);
        utx.commit();
        em.close();
        Environment env = createEnvironment();
        KnowledgeBase kbase = createKnowledgeBase( "VariablePersistenceStrategySubProcess.rf" );
        StatefulKnowledgeSession ksession = createSession( kbase, env );

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Examples of javax.persistence.EntityManager

    
    @Test
    public void testWorkItemWithVariablePersistence() throws Exception{
        MyEntity myEntity = new MyEntity("This is a test Entity");
        MyVariableSerializable myVariableSerializable = new MyVariableSerializable("This is a test SerializableObject");
        EntityManager em = emf.createEntityManager();
        UserTransaction utx = (UserTransaction) new InitialContext().lookup( "java:comp/UserTransaction" );
        utx.begin();
        
        em.joinTransaction();
        em.persist(myEntity);
        utx.commit();
        em.close();
        Environment env = createEnvironment();
        KnowledgeBase kbase = createKnowledgeBase( "VPSProcessWithWorkItems.rf" );
        StatefulKnowledgeSession ksession = createSession( kbase , env);

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Examples of javax.persistence.EntityManager


  @Override
  public Object execute(Object[] parameters) {
    if (parameters.length == 0)
      return null;
    EntityManager em = getContext().getEntityManager();
    if (parameters[0].getClass().isArray()) {
      for (Object entity : (Object[]) parameters[0]) {
        em.persist(entity);
      }
    } else {
      em.persist(parameters[0]);
    }
    return null;
  }

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Examples of javax.persistence.EntityManager


  @Override
  public Object execute(Object[] parameters) {
    if (parameters.length == 0)
      return null;
    EntityManager em = getContext().getEntityManager();
    if (parameters[0].getClass().isArray()) {
      for (Object entity : (Object[]) parameters[0]) {
        em.remove(entity);
      }
    } else {
      em.remove(parameters[0]);
    }
    return null;
  }

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Examples of javax.persistence.EntityManager

   * 获取属性查询方式的返回结果
   * @param parameters 参数
   * @return
   */
  private Object propertyResult(Object[] parameters) {
    EntityManager em = getContext().getEntityManager();
    Annotation[][] annos = method.getParameterAnnotations();
    Named named = null;
    for (Annotation a : annos[0]) {
      final Class<? extends Annotation> clazz = a.annotationType();
      if (clazz.equals(Named.class)) {
        named = (Named) a;
      }
    }
    if (named == null)
      return em.find(getMethodReturnType(), parameters[0]);
    else {
      String ejbql = "from " + getMethodReturnType().getSimpleName() + " entity where entity." + named.value()
              + "=?";
      Query query = em.createQuery(ejbql);
      query.setParameter(1, parameters[0]);
      return query.getSingleResult();
    }
  }

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Examples of javax.persistence.EntityManager

    }
  }
  
  private Query getQuery() {
    Retrieve retrieve = getAnnotation();
    EntityManager em = getContext().getEntityManager();
    if (StringUtils.isNotBlank(retrieve.namedQuery()))
      return em.createNamedQuery(retrieve.namedQuery());
    if (retrieve.nativeQuery()) {
      if (retrieve.resultClass().equals(void.class))
        return em.createNativeQuery(retrieve.query());
      else
        return em.createNativeQuery(retrieve.query(), retrieve.resultClass());
    } else
      return em.createQuery(retrieve.query());
  }

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Examples of javax.persistence.EntityManager


  @Override
  public Object execute(Object[] parameters) {
    if (parameters.length == 0)
      return null;
    EntityManager em = getContext().getEntityManager();
    if (parameters[0].getClass().isArray()) {
      for (Object entity : (Object[]) parameters[0]) {
        entity = em.merge(entity);
      }
    } else {
      parameters[0] = em.merge(parameters[0]);
    }
    return null;
  }

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