Package org.datanucleus.store.appengine

Examples of org.datanucleus.store.appengine.DatastoreManager

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    }
    return super.getObjectById(cls, key);
  }

  private BatchPutManager getBatchPutManager() {
    DatastoreManager dm = (DatastoreManager) getObjectManager().getStoreManager();
    return dm.getBatchPutManager();
  }
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    DatastoreManager dm = (DatastoreManager) getObjectManager().getStoreManager();
    return dm.getBatchPutManager();
  }

  private BatchDeleteManager getBatchDeleteManager() {
    DatastoreManager dm = (DatastoreManager) getObjectManager().getStoreManager();
    return dm.getBatchDeleteManager();
  }
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    }
  }

  @Override
  protected void setTransaction(Transaction tx) {
    DatastoreManager storeMgr = (DatastoreManager) getObjectManager().getStoreManager();
    if (storeMgr.connectionFactoryIsTransactional()) {
      // We need to install our own transaction object here.
      jdotx = new DatastoreJDOTransaction(this, tx);
    } else {
      super.setTransaction(tx);
    }
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    if (query.getCandidateClass() == null) {
      throw new FatalNucleusUserException(
          "Candidate class could not be found: " + query.getSingleStringQuery());
    }
    DatastoreManager storeMgr = getStoreManager();
    ClassLoaderResolver clr = getClassLoaderResolver();
    AbstractClassMetaData acmd = getMetaDataManager().getMetaDataForClass(query.getCandidateClass(), clr);
    if (acmd == null) {
      throw new FatalNucleusUserException("No meta data for " + query.getCandidateClass().getName()
          + ".  Perhaps you need to run the enhancer on this class?");
    }

    storeMgr.validateMetaDataForClass(acmd, clr);

    DatastoreTable table = storeMgr.getDatastoreClass(acmd.getFullClassName(), clr);
    QueryData qd = validate(compilation, parameters, acmd, table, clr);

    if (NucleusLogger.QUERY.isDebugEnabled()) {
      NucleusLogger.QUERY.debug(localiser.msg("021046", "DATASTORE", query.getSingleStringQuery(), null));
    }
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   * @return The pojo that corresponds to the provided entity.
   */
  public static Object entityToPojo(final Entity entity, final AbstractClassMetaData acmd,
      final ClassLoaderResolver clr, ObjectManager om,
      boolean ignoreCache, final FetchPlan fetchPlan) {
    final DatastoreManager storeMgr = (DatastoreManager) om.getStoreManager();
    storeMgr.validateMetaDataForClass(acmd, clr);
    FieldValues fv = new FieldValues() {
      public void fetchFields(StateManager sm) {
        sm.replaceFields(
            acmd.getPKMemberPositions(),
            new DatastoreFieldManager(sm, storeMgr, entity, DatastoreFieldManager.Operation.READ));
      }
      public void fetchNonLoadedFields(StateManager sm) {
        sm.replaceNonLoadedFields(
            acmd.getPKMemberPositions(),
            new DatastoreFieldManager(sm, storeMgr, entity, DatastoreFieldManager.Operation.READ));
      }
      public FetchPlan getFetchPlanForLoading() {
        return fetchPlan;
      }
    };
    Object pojo = om.findObjectUsingAID(clr.classForName(acmd.getFullClassName()), fv, ignoreCache, true);
    StateManager stateMgr = om.findStateManager(pojo);
    DatastorePersistenceHandler handler = storeMgr.getPersistenceHandler();
    // TODO(maxr): Seems like we should be able to refactor the handler
    // so that we can do a fetch without having to hide the entity in the
    // state manager.
    handler.setAssociatedEntity(stateMgr, EntityUtils.getCurrentTransaction(om), entity);
    int[] fieldsToFetch =
        fetchPlan != null ?
        fetchPlan.getFetchPlanForClass(acmd).getFieldsInActualFetchPlan() : acmd.getAllMemberPositions();
    storeMgr.getPersistenceHandler().fetchObject(
        stateMgr, fieldsToFetch);
    return pojo;
  }
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    if (query.getCandidateClass() == null) {
      throw new FatalNucleusUserException(
          "Candidate class could not be found: " + query.getSingleStringQuery());
    }
    DatastoreManager storeMgr = getStoreManager();
    ClassLoaderResolver clr = getClassLoaderResolver();
    AbstractClassMetaData acmd = getMetaDataManager().getMetaDataForClass(query.getCandidateClass(), clr);
    if (acmd == null) {
      throw new FatalNucleusUserException("No meta data for " + query.getCandidateClass().getName()
          + ".  Perhaps you need to run the enhancer on this class?");
    }

    storeMgr.validateMetaDataForClass(acmd, clr);

    DatastoreTable table = storeMgr.getDatastoreClass(acmd.getFullClassName(), clr);
    QueryData qd = validate(compilation, parameters, acmd, table, clr);

    if (NucleusLogger.QUERY.isDebugEnabled()) {
      NucleusLogger.QUERY.debug(localiser.msg("021046", "DATASTORE", query.getSingleStringQuery(), null));
    }
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   * @return The pojo that corresponds to the provided entity.
   */
  public static Object entityToPojo(final Entity entity, final AbstractClassMetaData acmd,
      final ClassLoaderResolver clr, ObjectManager om,
      boolean ignoreCache, final FetchPlan fetchPlan) {
    final DatastoreManager storeMgr = (DatastoreManager) om.getStoreManager();
    storeMgr.validateMetaDataForClass(acmd, clr);
    FieldValues fv = new FieldValues() {
      public void fetchFields(StateManager sm) {
        sm.replaceFields(
            acmd.getPKMemberPositions(),
            new DatastoreFieldManager(sm, storeMgr, entity, DatastoreFieldManager.Operation.READ));
      }
      public void fetchNonLoadedFields(StateManager sm) {
        sm.replaceNonLoadedFields(
            acmd.getPKMemberPositions(),
            new DatastoreFieldManager(sm, storeMgr, entity, DatastoreFieldManager.Operation.READ));
      }
      public FetchPlan getFetchPlanForLoading() {
        return fetchPlan;
      }
    };
    Object pojo = om.findObjectUsingAID(clr.classForName(acmd.getFullClassName()), fv, ignoreCache, true);
    StateManager stateMgr = om.findStateManager(pojo);
    DatastorePersistenceHandler handler = storeMgr.getPersistenceHandler();
    // TODO(maxr): Seems like we should be able to refactor the handler
    // so that we can do a fetch without having to hide the entity in the
    // state manager.
    handler.setAssociatedEntity(stateMgr, EntityUtils.getCurrentTransaction(om), entity);
    int[] fieldsToFetch =
        fetchPlan != null ?
        fetchPlan.getFetchPlanForClass(acmd).getFieldsInActualFetchPlan() : acmd.getAllMemberPositions();
    storeMgr.getPersistenceHandler().fetchObject(
        stateMgr, fieldsToFetch);
    return pojo;
  }
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    }
    return super.getObjectById(cls, key);
  }

  private BatchPutManager getBatchPutManager() {
    DatastoreManager dm = (DatastoreManager) getObjectManager().getStoreManager();
    return dm.getBatchPutManager();
  }
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    DatastoreManager dm = (DatastoreManager) getObjectManager().getStoreManager();
    return dm.getBatchPutManager();
  }

  private BatchDeleteManager getBatchDeleteManager() {
    DatastoreManager dm = (DatastoreManager) getObjectManager().getStoreManager();
    return dm.getBatchDeleteManager();
  }
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    }
  }

  @Override
  protected void setTransaction(Transaction tx) {
    DatastoreManager storeMgr = (DatastoreManager) getObjectManager().getStoreManager();
    if (storeMgr.connectionFactoryIsTransactional()) {
      // We need to install our own transaction object here.
      jdotx = new DatastoreJDOTransaction(this, storeMgr, tx);
    } else {
      super.setTransaction(tx);
    }
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Related Classes of org.datanucleus.store.appengine.DatastoreManager

  • com.google.appengine.api.datastore.DatastoreServiceConfig
  • com.google.appengine.api.datastore.ReadPolicy
  • org.datanucleus.api.ApiAdapter
  • org.datanucleus.ConnectionFactory
  • org.datanucleus.ConnectionFactoryRegistry
  • org.datanucleus.ManagedConnection
  • org.datanucleus.metadata.AbstractClassMetaData
  • org.datanucleus.metadata.AbstractMemberMetaData
  • org.datanucleus.metadata.InheritanceStrategy
  • org.datanucleus.ObjectManager
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