| /* |
| * Copyright (c) 2010-2012, 2015 Eike Stepper (Berlin, Germany) and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Simon McDuff - initial API and implementation |
| * Ibrahim Sallam - code refactoring for CDO 3.0 |
| */ |
| package org.eclipse.emf.cdo.server.internal.objectivity.mapper; |
| |
| import org.eclipse.emf.cdo.common.revision.CDORevisionData; |
| import org.eclipse.emf.cdo.server.internal.objectivity.db.ObjyObject; |
| |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| |
| import com.objy.as.app.Class_Object; |
| import com.objy.as.app.Numeric_Value; |
| import com.objy.as.app.Proposed_Class; |
| import com.objy.as.app.String_Value; |
| import com.objy.as.app.d_Access_Kind; |
| import com.objy.as.app.d_Attribute; |
| import com.objy.as.app.ooBaseType; |
| import com.objy.db.ObjyRuntimeException; |
| |
| /** |
| * @author Simon McDuff |
| */ |
| public class StringTypeMapper extends BasicTypeMapper implements ISingleTypeMapper |
| { |
| public static StringTypeMapper INSTANCE = new StringTypeMapper(); |
| |
| @Override |
| protected String getNullAttributeName(EStructuralFeature feature) |
| { |
| return feature.getName() + "_isNull"; |
| } |
| |
| public boolean createSchema(Proposed_Class proposedClass, EStructuralFeature feature) |
| { |
| try |
| { |
| |
| proposedClass.add_embedded_class_attribute(com.objy.as.app.d_Module.LAST, // Access kind |
| d_Access_Kind.d_PUBLIC, // Access kind |
| feature.getName(), // Attribute name |
| 1, // # elements in fixed-size array |
| "ooUtf8String"); // Default value |
| |
| proposedClass.add_basic_attribute(com.objy.as.app.d_Module.LAST, d_Access_Kind.d_PUBLIC, // Access kind |
| getNullAttributeName(feature), // Attribute name |
| 1, // # elements in fixed-size array |
| ooBaseType.ooBOOLEAN // Default value |
| ); |
| } |
| catch (ObjyRuntimeException ex) |
| { |
| ex.printStackTrace(); |
| } |
| return false; |
| } |
| |
| public Object getValue(ObjyObject objyObject, EStructuralFeature feature) |
| { |
| // Class_Position position = getAttributePosition(objyObject, feature); |
| String attributeName = getAttributeName(feature); |
| // Class_Position nullPosition = getNullAttributePosition(objyObject, feature); |
| String nullAttributeName = getNullAttributeName(feature); |
| String_Value stringValue = objyObject.get_string(attributeName/* position */); |
| boolean isNull = objyObject.get_numeric(nullAttributeName/* nullPosition */).booleanValue(); |
| Object value = null; |
| |
| if (!isNull) |
| { |
| value = stringValue.toString(); |
| // else if (feature.isUnsettable()) |
| // value = CDORevisionData.NIL; |
| } |
| |
| return value; |
| } |
| |
| public void setValue(ObjyObject objyObject, EStructuralFeature feature, Object newValue) |
| { |
| boolean isNull = newValue == null || newValue == CDORevisionData.NIL; |
| // Class_Position nullPosition = getNullAttributePosition(objyObject, feature); |
| String nullAttributeName = getNullAttributeName(feature); |
| |
| if (!isNull) |
| { |
| // Class_Position position = getAttributePosition(objyObject, feature); |
| String attributeName = getAttributeName(feature); |
| String_Value stringValue = objyObject.get_string(attributeName/* position */); |
| stringValue.update(); |
| stringValue.set((String)newValue); |
| } |
| Numeric_Value isNullValue = newValue == null ? numericTrue : numericFalse; |
| objyObject.set_numeric(nullAttributeName/* nullPosition */, isNullValue); |
| } |
| |
| public Object remove(ObjyObject objyObject, EStructuralFeature feature) |
| { |
| throw new UnsupportedOperationException("Implement me!!"); |
| } |
| |
| public void delete(ObjyObject objyObject, EStructuralFeature feature) |
| { |
| // we could set the string value to "", but it would be easier to just set |
| // the numeric _null to "true" |
| // Class_Position position = getNullAttributePosition(objyObject, feature); |
| String nullAttributeName = getNullAttributeName(feature); |
| objyObject.set_numeric(nullAttributeName/* position */, numericTrue); |
| // throw new UnsupportedOperationException("Implement me!!"); |
| } |
| |
| public void initialize(Class_Object classObject, EStructuralFeature feature) |
| { |
| // Class_Position position = classObject.type_of().position_in_class(getNullAttributeName(feature)); |
| classObject.nset_numeric(getNullAttributeName(feature), numericTrue); |
| } |
| |
| public void modifySchema(Proposed_Class proposedooClass, EStructuralFeature feature) |
| { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| public boolean validate(d_Attribute ooAttribute, EStructuralFeature feature) |
| { |
| // TODO Auto-generated method stub |
| System.out.println(">>>OBJYIMPL: StringTypeMapper.validate() - not implemented."); |
| return true; |
| } |
| } |