Package org.eclipse.persistence.internal.sessions

Examples of org.eclipse.persistence.internal.sessions.AbstractRecord$RecordEntryIterator

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        if ((getOnlyInstancesExpression() != null)  || (! shouldReadSubclasses())) {
            ReadObjectQuery concreteQuery = (ReadObjectQuery)query.clone();
            concreteQuery.setReferenceClass(getDescriptor().getJavaClass());
            concreteQuery.setDescriptor(getDescriptor());

            AbstractRecord row = ((ExpressionQueryMechanism)concreteQuery.getQueryMechanism()).selectOneRowFromConcreteTable();

            if (row != null) {
                return row;
            }
        }

        // Recursively collect all rows from all concrete children and their children.
        for (ClassDescriptor concreteDescriptor : getChildDescriptors()) {
            AbstractRecord row = concreteDescriptor.getInheritancePolicy().selectOneRowUsingCustomMultipleTableSubclassRead(query);
            if (row != null) {
                return row;
            }
        }
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     * This must use two selects, the first retrieves the type field only.
     */
    protected AbstractRecord selectOneRowUsingDefaultMultipleTableSubclassRead(ReadObjectQuery query) throws DatabaseException, QueryException {
        // Get the row for the given class indicator field
        // The indicator select is prepared in the original query, so can just be executed.
        AbstractRecord typeRow = ((ExpressionQueryMechanism)query.getQueryMechanism()).selectOneRowFromTable();

        if (typeRow == null) {
            return null;
        }

        Class concreteClass = classFromRow(typeRow, query.getSession());
        ClassDescriptor concreteDescriptor = getDescriptor(concreteClass);
        if (concreteDescriptor == null) {
            throw QueryException.noDescriptorForClassFromInheritancePolicy(query, concreteClass);
        }

        ReadObjectQuery concreteQuery = (ReadObjectQuery)query.clone();
        concreteQuery.setReferenceClass(concreteClass);
        concreteQuery.setDescriptor(concreteDescriptor);

        AbstractRecord resultRow = ((ExpressionQueryMechanism)concreteQuery.getQueryMechanism()).selectOneRowFromConcreteTable();

        return resultRow;
    }
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                throw DescriptorException.attemptToRegisterDeadIndirection(original, getMapping());
            }
            newValueHolder = new ValueHolder();
            newValueHolder.setValue(this.getMapping().buildCloneForPartObject(oldValueHolder.getValue(), original, null, clone, cloningSession, false));
        } else {
          AbstractRecord row = null;
            if (oldValueHolder instanceof DatabaseValueHolder) {
                row = ((DatabaseValueHolder)oldValueHolder).getRow();
            }
            newValueHolder = this.getMapping().createCloneValueHolder(oldValueHolder, original, clone, row, cloningSession, buildDirectlyFromRow);
        }
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                result = new ValueHolder();
                result.setValue(this.mapping.buildCloneForPartObject(valueHolder.getValue(), original, null, clone, cloningSession, false));
            } else {
                //if I have a relationship partner trigger the indirection so that the value will be inserted
                // because of this call the entire tree should be recursively cloned
                AbstractRecord row = null;
                if (valueHolder instanceof DatabaseValueHolder) {
                    row = ((DatabaseValueHolder)valueHolder).getRow();
                }
                result = this.mapping.createCloneValueHolder(valueHolder, original, clone, row, cloningSession, buildDirectlyFromRow);

                Object newObject = this.mapping.buildCloneForPartObject(valueHolder.getValue(), original, cacheKey, clone, cloningSession, false);
                ((UnitOfWorkValueHolder)result).privilegedSetValue(newObject);
                ((UnitOfWorkValueHolder)result).setInstantiated();
            }
        } else {
            AbstractRecord row = null;
            if (valueHolder instanceof DatabaseValueHolder) {
                row = ((DatabaseValueHolder)valueHolder).getRow();
            }
            result = this.mapping.createCloneValueHolder(valueHolder, original, clone, row, cloningSession, buildDirectlyFromRow);
        }
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                RemoteSessionController controller = ((RemoteUnitOfWork) session).getParentSessionController();
                Object id = ((UnitOfWorkValueHolder) unitOfWorkIndirectionObject).getWrappedValueHolderRemoteID();
                if (id == null) {
                    // Must build a new value holder.
                    Object object = ((UnitOfWorkValueHolder) unitOfWorkIndirectionObject).getSourceObject();
                    AbstractRecord row = this.mapping.getDescriptor().getObjectBuilder().buildRow(object, session, WriteType.UNDEFINED);
                    ReadObjectQuery query = new ReadObjectQuery();
                    query.setSession(((RemoteUnitOfWork) session).getParent());
                    valueHolder = (ValueHolderInterface) this.mapping.valueFromRow(row, null, query, true);
                } else {
                    valueHolder = (ValueHolderInterface) controller.getRemoteValueHolders().get(id);
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            SQLCall call = (SQLCall)enumtr.nextElement();
            statementVector.addElement(this.buildProcedureString(call));
        }
        definition.setStatements(statementVector);
        DatabaseField databaseField;
        AbstractRecord dataRow;
        Hashtable fieldNames = new Hashtable();
        List primaryKeyFields = fields;
        for (int index = 0; index < primaryKeyFields.size(); index++) {
            databaseField = (DatabaseField)primaryKeyFields.get(index);
            fieldNames.put(databaseField.getName(), this.schemaManager.getColumnInfo(null, null, databaseField.getTableName(), databaseField.getName()).firstElement());
        }

        definition.setName(Helper.truncate(name, MAX_NAME_SIZE));
        Enumeration fieldsEnum = fieldNames.keys();
        String prefixArgToken;
        if (getSession().getPlatform().isOracle()) {
            prefixArgToken = getSession().getPlatform().getStoredProcedureParameterPrefix();
        } else {
            prefixArgToken = "";
        }
        while (fieldsEnum.hasMoreElements()) {
            Number dataType;
            dataRow = (AbstractRecord)fieldNames.get(fieldsEnum.nextElement());
            dataType = (Number)dataRow.get("DATA_TYPE");
            Class type = this.getFieldType(dataType);
            String typeName = (String)dataRow.get("TYPE_NAME");
            if ((type != null) || (typeName == null) || (typeName.length() == 0)) {
                definition.addArgument(prefixArgToken + (String)dataRow.get("COLUMN_NAME"), type, ((Number)dataRow.get("COLUMN_SIZE")).intValue());
            } else {
                definition.addArgument(prefixArgToken + (String)dataRow.get("COLUMN_NAME"), typeName);
            }
        }

        return definition;
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                return dbCall;
            }
            result = accessor.processResultSet(resultSet, dbCall, statement, session);

            if (dbCall.shouldBuildOutputRow()) {
                AbstractRecord outputRow = accessor.buildOutputRow((CallableStatement)statement, dbCall, session);
                dbCall.getQuery().setProperty("output", outputRow);
                session.getEventManager().outputParametersDetected(outputRow, dbCall);
            }
            return result;
            // end special sybase behavior.
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     * INTERNAL:
     * Build a row containing the keys for use in the query that updates the row for the
     * target object during an insert or update
     */
    protected AbstractRecord buildKeyRowForTargetUpdate(ObjectLevelModifyQuery query){
       AbstractRecord keyRow = new DatabaseRecord();
       // Extract primary key and value from the source.
       int size = sourceKeyFields.size();
       for (int index = 0; index < size; index++) {
           DatabaseField sourceKey = sourceKeyFields.get(index);
           DatabaseField targetForeignKey = targetForeignKeyFields.get(index);
           Object sourceKeyValue = query.getTranslationRow().get(sourceKey);
           keyRow.put(targetForeignKey, sourceKeyValue);
       }
       return keyRow;
   }
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    /**
     * INTERNAL:
     */
    protected AbstractRecord createModifyRowForAddTargetQuery() {
        AbstractRecord modifyRow = super.createModifyRowForAddTargetQuery();
        int size = targetForeignKeyFields.size();
        for (int index = 0; index < size; index++) {
            DatabaseField targetForeignKey = targetForeignKeyFields.get(index);
            modifyRow.put(targetForeignKey, null);
        }
        return modifyRow;
    }
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                return dbCall;
            }
            result = accessor.processResultSet(resultSet, dbCall, statement, session);

            if (dbCall.shouldBuildOutputRow()) {
                AbstractRecord outputRow = accessor.buildOutputRow((CallableStatement)statement, dbCall, session);
                dbCall.getQuery().setProperty("output", outputRow);
                session.getEventManager().outputParametersDetected(outputRow, dbCall);
            }
            return result;
            // end special sybase behavior.
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Related Classes of org.eclipse.persistence.internal.sessions.AbstractRecord$RecordEntryIterator

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  • org.eclipse.persistence.descriptors.ClassDescriptor
  • org.eclipse.persistence.descriptors.InheritancePolicy
  • org.eclipse.persistence.descriptors.TablePerClassPolicy
  • org.eclipse.persistence.descriptors.VersionLockingPolicy
  • org.eclipse.persistence.eis.EISAccessor
  • org.eclipse.persistence.eis.interactions.EISInteraction
  • org.eclipse.persistence.eis.interactions.IndexedInteraction
  • org.eclipse.persistence.eis.interactions.MappedInteraction
  • org.eclipse.persistence.eis.interactions.XMLInteraction
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