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/*
* Copyright (c) 2010-2012 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.server.internal.objectivity.bundle.OM;
import org.eclipse.emf.cdo.server.internal.objectivity.db.ObjyObject;
import org.eclipse.net4j.util.om.trace.ContextTracer;
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.VArray_Object;
import com.objy.as.app.d_Access_Kind;
import com.objy.as.app.d_Attribute;
import com.objy.as.app.d_Type;
import com.objy.as.app.ooBaseType;
/**
* @author Simon McDuff
*/
// This is a special class compared to the other array of simple types.
public class ByteArrayTypeMapper extends BasicTypeMapper implements ISingleTypeMapper
{
private static final ContextTracer TRACER_DEBUG = new ContextTracer(OM.DEBUG, ByteArrayTypeMapper.class);
static ByteArrayTypeMapper INSTANCE = new ByteArrayTypeMapper();
protected ooBaseType getObjyBaseType()
{
return ooBaseType.ooINT8;
}
public Object getValue(ObjyObject objyObject, EStructuralFeature feature)
{
// Class_Position position = getAttributePosition(objyObject, feature);
String attributeName = getAttributeName(feature);
VArray_Object vArray = objyObject.get_varray(attributeName/* position */);
// Class_Position nullPosition = getNullAttributePosition(objyObject, feature);
String nullAttributeName = getNullAttributeName(feature);
boolean isNull = objyObject.get_numeric(nullAttributeName/* nullPosition */).booleanValue();
if (isNull)
{
return null;
}
int size = (int)vArray.size();
byte byteArray[] = new byte[size];
for (int i = 0; i < size; i++)
{
Numeric_Value value = vArray.get_numeric(i);
byteArray[i] = value.byteValue();
}
return byteArray;
}
public void setValue(ObjyObject objyObject, EStructuralFeature feature, Object newValue)
{
// Class_Position position = getAttributePosition(objyObject, feature);
String attributeName = getAttributeName(feature);
VArray_Object vArray = objyObject.get_varray(attributeName/* position */);
// Class_Position nullPosition = getNullAttributePosition(objyObject, feature);
String nullAttributeName = getNullAttributeName(feature);
Numeric_Value isNullValue = newValue == null ? numericTrue : numericFalse;
objyObject.set_numeric(nullAttributeName /* nullPosition */, isNullValue);
// System.out.println("OID: " + objyObject.ooId().getStoreString() + " - START work");
if (newValue == null)
{
vArray.resize(0);
return;
}
byte byteArray[] = (byte[])newValue;
if (vArray.size() != byteArray.length)
{
vArray.resize(byteArray.length);
}
for (int i = 0; i < byteArray.length; i++)
{
Byte byteValue = byteArray[i];
Numeric_Value numericValue = new Numeric_Value(byteValue);
vArray.set_numeric(i, numericValue);
}
// System.out.println("OID: " + objyObject.ooId().getStoreString() + " - DONE.");
}
/**
*
*/
public boolean createSchema(Proposed_Class proposedClass, EStructuralFeature feature)
{
if (TRACER_DEBUG.isEnabled())
{
TRACER_DEBUG.trace("Adding attribute " + feature.getName() + " " + this.getClass().getName());
}
proposedClass.add_varray_attribute(com.objy.as.app.d_Module.LAST, d_Access_Kind.d_PUBLIC, // Access kind
getAttributeName(feature), // Attribute name
1, // # elements in fixed-size array
getObjyBaseType()); // 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
);
return false;
}
public boolean validate(d_Attribute ooAttribute, EStructuralFeature feature)
{
d_Type type = ooAttribute.type_of();
return type.is_varray_basic_type();
}
// TODO - this is not the most optimized version fo the code.
// we are trying to finish functionality for now 100202:IS
// public void add(ObjyObject objyObject, EStructuralFeature feature,
// Class_Position position, int index, Object value)
// {
// if (index < size(objyObject, feature, position))
// {
// throw new UnsupportedOperationException("adding object inside VArray... Implement Me!!!");
// }
//
// VArray_Object vArray = objyObject.ooClassObject().get_varray(position);
// Numeric_Value numericValue = new Numeric_Value((Byte)value);
// vArray.extend(numericValue);
// }
public Object remove(ObjyObject objyObject, EStructuralFeature feature)
{
// TODO Auto-generated method stub
throw new UnsupportedOperationException("Implement me!!");
}
public void delete(ObjyObject objyObject, EStructuralFeature feature)
{
// TODO Auto-generated method stub
throw new UnsupportedOperationException("Implement me!!");
}
public void initialize(Class_Object classObject, EStructuralFeature feature)
{
// TODO Auto-generated method stub
// throw new UnsupportedOperationException("Implement me!!");
// at least rest the varray...
// Class_Position position = classObject.type_of().position_in_class(feature.getName());
VArray_Object vArray = classObject.nget_varray(feature.getName());
vArray.resize(0);
}
public void modifySchema(Proposed_Class proposedooClass, EStructuralFeature feature)
{
// TODO Auto-generated method stub
throw new UnsupportedOperationException("Implement me!!");
}
}
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