/** INTERNAL: */
 protected Vector<DatabaseField> getVectorOfFieldsToGenerate(int operation, DatabaseTable table) {
   if (this.main[operation][ALL] == null) {
     return null;
   }
   if (this.tableToFieldsForGenerationMap == null) {
     // the method is called for the first time
     tableToFieldsForGenerationMap = new HashMap[NUM_OPERATIONS];
   }
   if (this.tableToFieldsForGenerationMap[operation] == null) {
     // the method is called for the first time for this operation
     this.tableToFieldsForGenerationMap[operation] = new HashMap();
   }
   Vector<DatabaseField> fieldsForGeneration =
       this.tableToFieldsForGenerationMap[operation].get(table);
   if (fieldsForGeneration == null) {
     // the method is called for the first time for this operation and this table
     fieldsForGeneration = new NonSynchronizedVector();
     Iterator it = this.main[operation][ALL].iterator();
     while (it.hasNext()) {
       DatabaseField field = (DatabaseField) it.next();
       if (field.getTable().equals(table)) {
         fieldsForGeneration.add(field);
       }
     }
     this.tableToFieldsForGenerationMap[operation].put(table, fieldsForGeneration);
   }
   return fieldsForGeneration;
 }
 /** PUBLIC: Add all of the elements. */
 public void putAll(Map map) {
   Iterator entriesIterator = map.entrySet().iterator();
   while (entriesIterator.hasNext()) {
     Map.Entry entry = (Map.Entry) entriesIterator.next();
     put(entry.getKey(), entry.getValue());
   }
 }
  /**
   * INTERNAL: This methods clones all the fields and ensures that each collection refers to the
   * same clones.
   */
  @Override
  public Object clone() {
    VariableOneToOneMapping clone = (VariableOneToOneMapping) super.clone();
    Map setOfKeys = new HashMap(getSourceToTargetQueryKeyNames().size());
    Map sourceToTarget = new HashMap(getSourceToTargetQueryKeyNames().size());
    Vector foreignKeys =
        org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(
            getForeignKeyFields().size());

    if (getTypeField() != null) {
      clone.setTypeField((DatabaseField) this.getTypeField().clone());
    }

    for (Iterator enumtr = getSourceToTargetQueryKeyNames().keySet().iterator();
        enumtr.hasNext(); ) {
      // Clone the SourceKeyFields
      DatabaseField field = (DatabaseField) enumtr.next();
      DatabaseField clonedField = (DatabaseField) field.clone();
      setOfKeys.put(field, clonedField);
      // on the next line I'm cloning the query key names
      sourceToTarget.put(clonedField, getSourceToTargetQueryKeyNames().get(field));
    }

    for (Enumeration enumtr = getForeignKeyFields().elements(); enumtr.hasMoreElements(); ) {
      DatabaseField field = (DatabaseField) enumtr.nextElement();
      foreignKeys.addElement(setOfKeys.get(field));
    }
    clone.setSourceToTargetQueryKeyFields(sourceToTarget);
    clone.setForeignKeyFields(foreignKeys);
    clone.setTypeIndicatorTranslation(new HashMap(this.getTypeIndicatorTranslation()));
    return clone;
  }
 /**
  * INTERNAL: Convert all the class-name-based settings in this mapping to actual class-based
  * settings. This method is used when converting a project that has been built with class names to
  * a project with classes.
  */
 @Override
 public void convertClassNamesToClasses(ClassLoader classLoader) {
   super.convertClassNamesToClasses(classLoader);
   Iterator iterator = getTypeIndicatorNameTranslation().entrySet().iterator();
   this.typeIndicatorTranslation = new HashMap();
   while (iterator.hasNext()) {
     Map.Entry entry = (Map.Entry) iterator.next();
     String referenceClassName = (String) entry.getKey();
     Object indicator = entry.getValue();
     Class referenceClass = null;
     try {
       if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()) {
         try {
           referenceClass =
               (Class)
                   AccessController.doPrivileged(
                       new PrivilegedClassForName(referenceClassName, true, classLoader));
         } catch (PrivilegedActionException exception) {
           throw ValidationException.classNotFoundWhileConvertingClassNames(
               referenceClassName, exception.getException());
         }
       } else {
         referenceClass =
             PrivilegedAccessHelper.getClassForName(referenceClassName, true, classLoader);
       }
     } catch (ClassNotFoundException exception) {
       throw ValidationException.classNotFoundWhileConvertingClassNames(
           referenceClassName, exception);
     }
     addClassIndicator(referenceClass, indicator);
   }
 }
  /**
   * INTERNAL: Return the classification for the field contained in the mapping. This is used to
   * convert the row value to a consistent java value.
   */
  @Override
  public Class getFieldClassification(DatabaseField fieldToClassify) {
    if ((getTypeField() != null) && (fieldToClassify.equals(getTypeField()))) {
      return getTypeField().getType();
    }

    String queryKey = (String) getSourceToTargetQueryKeyNames().get(fieldToClassify);
    if (queryKey == null) {
      return null;
    }
    // Search any of the implementor descriptors for a mapping for the query-key.
    Iterator iterator =
        getReferenceDescriptor().getInterfacePolicy().getChildDescriptors().iterator();
    if (iterator.hasNext()) {
      ClassDescriptor firstChild = (ClassDescriptor) iterator.next();
      DatabaseMapping mapping = firstChild.getObjectBuilder().getMappingForAttributeName(queryKey);
      if ((mapping != null) && (mapping.isDirectToFieldMapping())) {
        return ((AbstractDirectMapping) mapping).getAttributeClassification();
      }
      QueryKey targetQueryKey = firstChild.getQueryKeyNamed(queryKey);
      if ((targetQueryKey != null) && (targetQueryKey.isDirectQueryKey())) {
        return firstChild
            .getObjectBuilder()
            .getFieldClassification(((DirectQueryKey) targetQueryKey).getField());
      }
    }
    return null;
  }
  /** INTERNAL: Transform the object-level value into a database-level value */
  public Object getFieldValue(Object objectValue, AbstractSession session) {
    DatabaseMapping mapping = getMapping();
    Object fieldValue = objectValue;
    if ((mapping != null)
        && (mapping.isDirectToFieldMapping() || mapping.isDirectCollectionMapping())) {
      // CR#3623207, check for IN Collection here not in mapping.
      if (objectValue instanceof Collection) {
        // This can actually be a collection for IN within expressions... however it would be better
        // for expressions to handle this.
        Collection values = (Collection) objectValue;
        Vector fieldValues = new Vector(values.size());
        for (Iterator iterator = values.iterator(); iterator.hasNext(); ) {
          Object value = iterator.next();
          if (!(value instanceof Expression)) {
            value = getFieldValue(value, session);
          }
          fieldValues.add(value);
        }
        fieldValue = fieldValues;
      } else {
        if (mapping.isDirectToFieldMapping()) {
          fieldValue = ((AbstractDirectMapping) mapping).getFieldValue(objectValue, session);
        } else if (mapping.isDirectCollectionMapping()) {
          fieldValue = ((DirectCollectionMapping) mapping).getFieldValue(objectValue, session);
        }
      }
    }

    return fieldValue;
  }
 /**
  * INTERNAL: The foreign key names and their primary keys are converted to DatabaseField and
  * stored.
  */
 protected void initializeForeignKeys(AbstractSession session) {
   HashMap newSourceToTargetQueryKeyNames = new HashMap(getSourceToTargetQueryKeyNames().size());
   Iterator iterator = getSourceToTargetQueryKeyNames().entrySet().iterator();
   while (iterator.hasNext()) {
     Map.Entry entry = (Map.Entry) iterator.next();
     DatabaseField field = getDescriptor().buildField((DatabaseField) entry.getKey());
     newSourceToTargetQueryKeyNames.put(field, entry.getValue());
   }
   this.sourceToTargetQueryKeyNames = newSourceToTargetQueryKeyNames;
 }
 /**
  * INTERNAL: writes the first field from each of the owned tables, used for fine-grained
  * pessimistic locking.
  */
 protected void writeForUpdateOfFields(
     ExpressionSQLPrinter printer, SQLSelectStatement statement) {
   for (Iterator iterator = getForUpdateOfFields().iterator(); iterator.hasNext(); ) {
     DatabaseField field = (DatabaseField) iterator.next();
     if (printer.getPlatform().shouldPrintAliasForUpdate()) {
       writeAlias(printer, field, statement);
     } else {
       writeField(printer, field, statement);
     }
   }
 }
  /** PUBLIC: Return a collection of the field to query key associations. */
  public Vector getSourceToTargetQueryKeyFieldAssociations() {
    Vector associations = new Vector(getSourceToTargetQueryKeyNames().size());
    Iterator sourceFieldEnum = getSourceToTargetQueryKeyNames().keySet().iterator();
    Iterator targetQueryKeyEnum = getSourceToTargetQueryKeyNames().values().iterator();
    while (sourceFieldEnum.hasNext()) {
      Object fieldValue = ((DatabaseField) sourceFieldEnum.next()).getQualifiedName();
      Object attributeValue = targetQueryKeyEnum.next();
      associations.addElement(new Association(fieldValue, attributeValue));
    }

    return associations;
  }
예제 #10
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 /**
  * INTERNAL: Compares two Collections as sets (ignoring the order of the elements). Note that the
  * passed Collections are cloned. Used for testing only.
  */
 public static boolean areCollectionsEqualAsSets(Collection col1, Collection col2) {
   if (col1 == col2) {
     return true;
   }
   if (col1.size() != col2.size()) {
     return false;
   }
   Collection c1 = new ArrayList(col1);
   Collection c2 = new ArrayList(col2);
   for (Iterator i = c1.iterator(); i.hasNext(); ) {
     Object o = i.next();
     c2.remove(o);
   }
   return c2.isEmpty();
 }
  /**
   * INTERNAL: Return the typeIndicatorName translation Used by the Mapping Workbench to avoid
   * classpath dependencies
   */
  public Map getTypeIndicatorNameTranslation() {
    if (typeIndicatorNameTranslation.isEmpty() && !typeIndicatorTranslation.isEmpty()) {
      Iterator keysEnum = typeIndicatorTranslation.keySet().iterator();
      Iterator valuesEnum = typeIndicatorTranslation.values().iterator();
      while (keysEnum.hasNext()) {
        Object key = keysEnum.next();
        Object value = valuesEnum.next();
        if (key instanceof Class) {
          String className = ((Class) key).getName();
          typeIndicatorNameTranslation.put(className, value);
        }
      }
    }

    return typeIndicatorNameTranslation;
  }
  /** INTERNAL: Set the type field classification through searching the indicators hashtable. */
  @Override
  public void preInitialize(AbstractSession session) throws DescriptorException {
    super.preInitialize(session);
    if (getTypeIndicatorTranslation().isEmpty()) {
      return;
    }
    Class type = null;
    for (Iterator typeValuesEnum = getTypeIndicatorTranslation().values().iterator();
        typeValuesEnum.hasNext() && (type == null); ) {
      Object value = typeValuesEnum.next();
      if ((value != Helper.getNullWrapper()) && (!(value instanceof Class))) {
        type = value.getClass();
      }
    }

    getTypeField().setType(type);
  }
  /**
   * INTERNAL: Return the class indicator associations for XML. List of class-name/value
   * associations.
   */
  public Vector getClassIndicatorAssociations() {
    Vector associations = new Vector();
    Iterator classesEnum = getTypeIndicatorNameTranslation().keySet().iterator();
    Iterator valuesEnum = getTypeIndicatorNameTranslation().values().iterator();
    while (classesEnum.hasNext()) {
      Object className = classesEnum.next();

      // If the project was built in runtime is a class, MW is a string.
      if (className instanceof Class) {
        className = ((Class) className).getName();
      }
      Object value = valuesEnum.next();
      associations.addElement(new TypedAssociation(className, value));
    }

    return associations;
  }
  /**
   * INTERNAL: Compare the references of the two objects are the same, not the objects themselves.
   * Used for independent relationships. This is used for testing and validation purposes.
   *
   * <p>Must get separate fields for the objects because we may be adding a different class to the
   * attribute because of the interface
   */
  @Override
  protected boolean compareObjectsWithoutPrivateOwned(
      Object firstObject, Object secondObject, AbstractSession session) {
    Object firstPrivateObject = getRealAttributeValueFromObject(firstObject, session);
    Object secondPrivateObject = getRealAttributeValueFromObject(secondObject, session);

    if ((firstPrivateObject == null) && (secondPrivateObject == null)) {
      return true;
    }

    if ((firstPrivateObject == null) || (secondPrivateObject == null)) {
      return false;
    }
    if (firstPrivateObject.getClass() != secondPrivateObject.getClass()) {
      return false;
    }
    Iterator targetKeys = getSourceToTargetQueryKeyNames().values().iterator();
    ClassDescriptor descriptor = session.getDescriptor(firstPrivateObject.getClass());
    ClassDescriptor descriptor2 = session.getDescriptor(secondPrivateObject.getClass());

    while (targetKeys.hasNext()) {
      String queryKey = (String) targetKeys.next();
      DatabaseField field = descriptor.getObjectBuilder().getFieldForQueryKeyName(queryKey);
      Object firstObjectField =
          descriptor
              .getObjectBuilder()
              .extractValueFromObjectForField(firstPrivateObject, field, session);
      DatabaseField field2 = descriptor2.getObjectBuilder().getFieldForQueryKeyName(queryKey);
      Object secondObjectField =
          descriptor2
              .getObjectBuilder()
              .extractValueFromObjectForField(secondPrivateObject, field2, session);

      if (!((firstObjectField == null) && (secondObjectField == null))) {
        if ((firstObjectField == null) || (secondObjectField == null)) {
          return false;
        }
        if (!firstObjectField.equals(secondObjectField)) {
          return false;
        }
      }
    }

    return true;
  }
  /**
   * INTERNAL: Selection criteria is created with source foreign keys and target keys. This criteria
   * is then used to read target records from the table.
   */
  public void initializeSelectionCriteria(AbstractSession session) {
    Expression selectionCriteria = null;
    Expression expression;

    ExpressionBuilder expBuilder = new ExpressionBuilder();

    Iterator sourceKeysEnum = getSourceToTargetQueryKeyNames().keySet().iterator();

    while (sourceKeysEnum.hasNext()) {
      DatabaseField sourceKey = (DatabaseField) sourceKeysEnum.next();
      String target = (String) this.getSourceToTargetQueryKeyNames().get(sourceKey);
      expression = expBuilder.getParameter(sourceKey).equal(expBuilder.get(target));

      if (selectionCriteria == null) {
        selectionCriteria = expression;
      } else {
        selectionCriteria = expression.and(selectionCriteria);
      }
    }

    setSelectionCriteria(selectionCriteria);
  }
예제 #16
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  /** INTERNAL: Both ReturningPolicies should be initialized */
  public boolean hasEqualMains(ReturningPolicy policy) {
    Collection[][] mainToCompare = policy.main;
    if (main == mainToCompare) {
      return true;
    }
    for (int operation = INSERT; operation <= UPDATE; operation++) {
      for (int state = RETURN_ONLY; state < MAIN_SIZE; state++) {
        if ((main[operation][state] == null) && (mainToCompare[operation][state] != null)) {
          return false;
        }
        if ((main[operation][state] != null) && (mainToCompare[operation][state] == null)) {
          return false;
        }
        if (!main[operation][state].equals(mainToCompare[operation][state])) {
          return false;
        }
      }
    }

    // now compare types
    Hashtable allFields = new Hashtable();
    for (int operation = INSERT; operation <= UPDATE; operation++) {
      if (main[operation][ALL] != null) {
        Iterator it = main[operation][ALL].iterator();
        while (it.hasNext()) {
          DatabaseField field = (DatabaseField) it.next();
          allFields.put(field, field);
        }
      }
    }
    for (int operation = INSERT; operation <= UPDATE; operation++) {
      if (mainToCompare[operation][ALL] != null) {
        Iterator it = mainToCompare[operation][ALL].iterator();
        while (it.hasNext()) {
          DatabaseField fieldToCompare = (DatabaseField) it.next();
          DatabaseField field = (DatabaseField) allFields.get(fieldToCompare);
          if (!field.getType().equals(fieldToCompare.getType())) {
            return false;
          }
        }
      }
    }
    return true;
  }
예제 #17
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  /**
   * Commit all of the objects as a single transaction. This should commit the object in the correct
   * order to maintain referential integrity.
   */
  public void commitAllObjectsWithChangeSet(UnitOfWorkChangeSet uowChangeSet)
      throws RuntimeException, DatabaseException, OptimisticLockException {
    reinitialize();
    this.isActive = true;
    this.session.beginTransaction();
    try {
      // PERF: if the number of classes in the project is large this loop can be a perf issue.
      // If only one class types changed, then avoid loop.
      if ((uowChangeSet.getObjectChanges().size() + uowChangeSet.getNewObjectChangeSets().size())
          <= 1) {
        Iterator<Class> classes = uowChangeSet.getNewObjectChangeSets().keySet().iterator();
        if (classes.hasNext()) {
          Class theClass = classes.next();
          commitNewObjectsForClassWithChangeSet(uowChangeSet, theClass);
        }
        classes = uowChangeSet.getObjectChanges().keySet().iterator();
        if (classes.hasNext()) {
          Class theClass = classes.next();
          commitChangedObjectsForClassWithChangeSet(uowChangeSet, theClass);
        }
      } else {
        // The commit order is all of the classes ordered by dependencies, this is done for deadlock
        // avoidance.
        List commitOrder = getCommitOrder();
        int size = commitOrder.size();
        for (int index = 0; index < size; index++) {
          Class theClass = (Class) commitOrder.get(index);
          commitAllObjectsForClassWithChangeSet(uowChangeSet, theClass);
        }
      }

      if (hasDeferredCalls()) {
        // Perform all batched up calls, done to avoid dependencies.
        for (List<Object[]> calls : this.deferredCalls.values()) {
          for (Object[] argument : calls) {
            ((DatabaseQueryMechanism) argument[1])
                .executeDeferredCall((DatasourceCall) argument[0]);
          }
        }
      }

      if (hasDataModifications()) {
        // Perform all batched up data modifications, done to avoid dependencies.
        for (Map.Entry<DatabaseMapping, List<Object[]>> entry : this.dataModifications.entrySet()) {
          List<Object[]> events = entry.getValue();
          int size = events.size();
          DatabaseMapping mapping = entry.getKey();
          for (int index = 0; index < size; index++) {
            Object[] event = events.get(index);
            mapping.performDataModificationEvent(event, getSession());
          }
        }
      }

      if (hasObjectsToDelete()) {
        // These are orphaned objects, to be deleted from private ownership updates.
        // TODO: These should be added to the unit of work deleted so they are deleted in the
        // correct order.
        List objects = getObjectsToDelete();
        int size = objects.size();
        reinitialize();
        for (int index = 0; index < size; index++) {
          this.session.deleteObject(objects.get(index));
        }
      }

      this.session.commitTransaction();
    } catch (RuntimeException exception) {
      this.session.rollbackTransaction();
      throw exception;
    } finally {
      reinitialize();
      this.isActive = false;
    }
  }
예제 #18
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  /** INTERNAL: Conform the result if specified. */
  protected Object conformResult(
      Object result,
      UnitOfWorkImpl unitOfWork,
      AbstractRecord arguments,
      boolean buildDirectlyFromRows) {
    if (getSelectionCriteria() != null) {
      ExpressionBuilder builder = getSelectionCriteria().getBuilder();
      builder.setSession(unitOfWork.getRootSession(null));
      builder.setQueryClass(getReferenceClass());
    }

    // If the query is redirected then the collection returned might no longer
    // correspond to the original container policy.  CR#2342-S.M.
    ContainerPolicy cp;
    if (getRedirector() != null) {
      cp = ContainerPolicy.buildPolicyFor(result.getClass());
    } else {
      cp = getContainerPolicy();
    }

    // This code is now a great deal different...  For one, registration is done
    // as part of conforming.  Also, this should only be called if one actually
    // is conforming.
    // First scan the UnitOfWork for conforming instances.
    // This will walk through the entire cache of registered objects.
    // Let p be objects from result not in the cache.
    // Let c be objects from cache.
    // Presently p intersect c = empty set, but later p subset c.
    // By checking cache now doesConform will be called p fewer times.
    Map indexedInterimResult =
        unitOfWork.scanForConformingInstances(
            getSelectionCriteria(), getReferenceClass(), arguments, this);

    Cursor cursor = null;
    // In the case of cursors just conform/register the initially read collection.
    if (cp.isCursorPolicy()) {
      cursor = (Cursor) result;
      cp = ContainerPolicy.buildPolicyFor(ClassConstants.Vector_class);
      // In nested UnitOfWork session might have been session of the parent.
      cursor.setSession(unitOfWork);
      result = cursor.getObjectCollection();
      // for later incremental conforming...
      cursor.setInitiallyConformingIndex(indexedInterimResult);
      cursor.setSelectionCriteriaClone(getSelectionCriteria());
      cursor.setTranslationRow(arguments);
    }

    // Now conform the result from the database.
    // Remove any deleted or changed objects that no longer conform.
    // Deletes will only work for simple queries, queries with or's or anyof's may not return
    // correct results when untriggered indirection is in the model.
    Vector fromDatabase = null;

    // When building directly from rows, one of the performance benefits
    // is that we no longer have to wrap and then unwrap the originals.
    // result is just a vector, not a container of wrapped originals.
    if (buildDirectlyFromRows) {
      Vector rows = (Vector) result;
      fromDatabase = new Vector(rows.size());
      for (int i = 0; i < rows.size(); i++) {
        Object object = rows.elementAt(i);
        // null is placed in the row collection for 1-m joining to filter duplicate rows.
        if (object != null) {
          Object clone =
              conformIndividualResult(
                  object,
                  unitOfWork,
                  arguments,
                  getSelectionCriteria(),
                  indexedInterimResult,
                  buildDirectlyFromRows);
          if (clone != null) {
            fromDatabase.addElement(clone);
          }
        }
      }
    } else {
      fromDatabase = new Vector(cp.sizeFor(result));
      AbstractSession sessionToUse = unitOfWork.getParent();
      for (Object iter = cp.iteratorFor(result); cp.hasNext(iter); ) {
        Object object = cp.next(iter, sessionToUse);
        Object clone =
            conformIndividualResult(
                object,
                unitOfWork,
                arguments,
                getSelectionCriteria(),
                indexedInterimResult,
                buildDirectlyFromRows);
        if (clone != null) {
          fromDatabase.addElement(clone);
        }
      }
    }

    // Now add the unwrapped conforming instances into an appropriate container.
    // Wrapping is done automatically.
    // Make sure a vector of exactly the right size is returned.
    Object conformedResult =
        cp.containerInstance(indexedInterimResult.size() + fromDatabase.size());
    Object eachClone;
    for (Iterator enumtr = indexedInterimResult.values().iterator(); enumtr.hasNext(); ) {
      eachClone = enumtr.next();
      cp.addInto(eachClone, conformedResult, unitOfWork);
    }
    for (Enumeration enumtr = fromDatabase.elements(); enumtr.hasMoreElements(); ) {
      eachClone = enumtr.nextElement();
      cp.addInto(eachClone, conformedResult, unitOfWork);
    }

    if (cursor != null) {
      cursor.setObjectCollection((Vector) conformedResult);

      // For nested UOW must copy all in object collection to
      // initiallyConformingIndex, as some of these could have been from
      // the parent UnitOfWork.
      if (unitOfWork.isNestedUnitOfWork()) {
        for (Enumeration enumtr = cursor.getObjectCollection().elements();
            enumtr.hasMoreElements(); ) {
          Object clone = enumtr.nextElement();
          indexedInterimResult.put(clone, clone);
        }
      }
      return cursor;
    } else {
      return conformedResult;
    }
  }
예제 #19
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 /** INTERNAL: */
 public void validationAfterDescriptorInitialization(AbstractSession session) {
   Hashtable mapped = new Hashtable();
   for (int operation = INSERT; operation <= UPDATE; operation++) {
     if ((main[operation][MAPPED] != null) && !main[operation][MAPPED].isEmpty()) {
       Iterator it = main[operation][MAPPED].iterator();
       while (it.hasNext()) {
         DatabaseField field = (DatabaseField) it.next();
         mapped.put(field, field);
       }
     }
   }
   if (!mapped.isEmpty()) {
     for (Enumeration fields = getDescriptor().getFields().elements();
         fields.hasMoreElements(); ) {
       DatabaseField fieldInDescriptor = (DatabaseField) fields.nextElement();
       DatabaseField fieldInMain = (DatabaseField) mapped.get(fieldInDescriptor);
       if (fieldInMain != null) {
         if (fieldInMain.getType() == null) {
           if (getDescriptor().isReturnTypeRequiredForReturningPolicy()) {
             session
                 .getIntegrityChecker()
                 .handleError(
                     DescriptorException.returningPolicyMappedFieldTypeNotSet(
                         fieldInMain.getName(), getDescriptor()));
           }
         } else if (isThereATypeConflict(fieldInMain, fieldInDescriptor)) {
           session
               .getIntegrityChecker()
               .handleError(
                   DescriptorException.returningPolicyAndDescriptorFieldTypeConflict(
                       fieldInMain.getName(),
                       fieldInMain.getType().getName(),
                       fieldInDescriptor.getType().getName(),
                       getDescriptor()));
         }
       }
     }
   }
   if (!(session.getDatasourcePlatform() instanceof DatabasePlatform)) {
     // don't attempt further diagnostics on non-relational platforms
     return;
   }
   WriteObjectQuery[] query = {
     getDescriptor().getQueryManager().getInsertQuery(),
     getDescriptor().getQueryManager().getUpdateQuery()
   };
   String[] queryTypeName = {"InsertObjectQuery", "UpdateObjectQuery"};
   for (int operation = INSERT; operation <= UPDATE; operation++) {
     if ((main[operation][ALL] != null) && !main[operation][ALL].isEmpty()) {
       // this operation requires some fields to be returned
       if ((query[operation] == null) || (query[operation].getDatasourceCall() == null)) {
         if (!session.getPlatform().canBuildCallWithReturning()) {
           session
               .getIntegrityChecker()
               .handleError(
                   DescriptorException.noCustomQueryForReturningPolicy(
                       queryTypeName[operation],
                       Helper.getShortClassName(session.getPlatform()),
                       getDescriptor()));
         }
       } else if (query[operation].getDatasourceCall() instanceof StoredProcedureCall) {
         // SQLCall with custom SQL calculates its outputRowFields later (in prepare() method) -
         // that's why SQLCall can't be verified here.
         DatabaseCall customCall = (DatabaseCall) query[operation].getDatasourceCall();
         Enumeration outputRowFields = customCall.getOutputRowFields().elements();
         Collection notFoundInOutputRow = createCollection();
         notFoundInOutputRow.addAll(main[operation][ALL]);
         while (outputRowFields.hasMoreElements()) {
           notFoundInOutputRow.remove(outputRowFields.nextElement());
         }
         if (!notFoundInOutputRow.isEmpty()) {
           Iterator it = notFoundInOutputRow.iterator();
           while (it.hasNext()) {
             DatabaseField field = (DatabaseField) it.next();
             session
                 .getIntegrityChecker()
                 .handleError(
                     DescriptorException.customQueryAndReturningPolicyFieldConflict(
                         field.getName(), queryTypeName[operation], getDescriptor()));
           }
         }
       }
     }
   }
 }