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/**********************************************************************
* This file is part of "Object Teams Development Tooling"-Software
*
* Copyright 2004, 2006 Fraunhofer Gesellschaft, Munich, Germany,
* for its Fraunhofer Institute for Computer Architecture and Software
* Technology (FIRST), Berlin, Germany and Technical University Berlin,
* Germany.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
* $Id: OTTypeMapping.java 23416 2010-02-03 19:59:31Z stephan $
*
* Please visit http://www.eclipse.org/objectteams for updates and contact.
*
* Contributors:
* Fraunhofer FIRST - Initial API and implementation
* Technical University Berlin - Initial API and implementation
**********************************************************************/
package org.eclipse.objectteams.otdt.internal.core;
import java.util.List;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IType;
import org.eclipse.objectteams.otdt.core.IOTType;
/**
* Maps an IType from the JavaModel to an OTType.
*
* @author kaiser
* @version $Id: OTTypeMapping.java 23416 2010-02-03 19:59:31Z stephan $
*/
public class OTTypeMapping
{
private CompilationUnitMapping data;
public OTTypeMapping()
{
this.data = new CompilationUnitMapping();
}
public void put(IType type, IOTType otType)
{
if (type != null && otType != null)
{
IJavaElement key= getParent(type);
if (this.data.contains(key))
{
this.data.getOTTypes(key).add(otType);
}
else
{
this.data.add(key, new OTTypeList(otType));
}
}
}
/**
* Removes the given IType from cache and all its children. The entire
* mapping (ICompilationUnit::OTTypeList) is remove if no more bound type
* is cached.
*/
public void remove(IType type)
{
if (type != null)
{
ICompilationUnit unit = type.getCompilationUnit();
OTTypeList list = this.data.getOTTypes(unit);
IOTType otType = get(type);
if (otType != null)
{
IType[] innerTypes = otType.getInnerTypes();
for (int idx = 0; idx < innerTypes.length; idx++)
{
// TODO(jwl): simplify later
remove((IType)((IOTType)innerTypes[idx]).getCorrespondingJavaElement());
}
list.remove(type.getElementName());
}
if (list.getSize() == 0)
{
this.data.remove(unit);
}
}
}
/**
* Removes an changed IType, if it is not of the same instance as the given
* IType. This method is used for JavaElementDelta.ElementChanged. It
* preserves the newly created type from removal.
*
* @see org.eclipse.objectteams.otdt.core.OTModelReconcileListener
*/
public void removeChangedElement(IType elem)
{
IOTType otType = get(elem);
// removes changed element only if they are not equal, this is necessary
// to avoid removal if an element has been newly created
if ((otType != null) && (otType.getCorrespondingJavaElement() != elem))
{
remove(elem);
}
}
public IOTType get(IType type)
{
IOTType otElem = null;
if (type != null)
{
IJavaElement key = getParent(type);
if (key != null)
{
OTTypeList elems = this.data.getOTTypes(key);
if (elems != null)
{
otElem = elems.get(type.getFullyQualifiedName());
}
}
}
return otElem;
}
public List<OTType> getOTElements()
{
return this.data.getOTElements();
}
public boolean contains(IType type)
{
return (get(type) != null);
}
/**
* Get type's parent (for use as a hash key).
*/
private IJavaElement getParent(IType type) {
IJavaElement parent;
if (type.isBinary())
{
parent = type.getClassFile();
}
else
{
parent = type.getCompilationUnit();
}
return parent;
}
}
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