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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: CompilationUnitMapping.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.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.objectteams.otdt.internal.core.OTTypeList.OTTypeIterator;
/**
* Maps an ICompilationUnit to the contained IOTTypes.
*
* @author kaiser
* @version $Id: CompilationUnitMapping.java 23416 2010-02-03 19:59:31Z stephan $
*/
public class CompilationUnitMapping
{
/** hashes ICompilationUnit:OTTypeList */
private Map<IJavaElement, OTTypeList> data;
public CompilationUnitMapping()
{
this.data = new HashMap<IJavaElement, OTTypeList>();
}
public OTTypeList getOTTypes(IJavaElement unit)
{
return this.data.get(getHashkeyElement(unit));
}
public void add(IJavaElement unit, OTTypeList otElems)
{
this.data.put(getHashkeyElement(unit), otElems == null ? new OTTypeList() : otElems);
}
public void remove(IJavaElement unit)
{
this.data.remove(getHashkeyElement(unit));
}
public boolean contains(IJavaElement unit)
{
return this.data.containsKey(getHashkeyElement(unit));
}
/**
* This method needs to return an ordenary list, due to nameclashes when an
* OTTypeList is used. An OTTypeList can be seen as hashed list.
*
* @return All IOTTypes which the mapping consists of.
*/
public List<OTType> getOTElements()
{
List<OTType> result = new LinkedList<OTType>();
for (Iterator<OTTypeList> iter = this.data.values().iterator(); iter.hasNext(); )
{
OTTypeList cuTypes = iter.next();
for (OTTypeIterator iterator = cuTypes.getIterator(); iterator.hasNext();)
{
result.add(iterator.getNext());
}
}
return result;
}
private IJavaElement getHashkeyElement(IJavaElement elem)
{
return elem;
// This below code here causes that WorkingCopies and ICompilationUnits are
// treated identically. I.e. OTModelManager.getOTType() would return the identical
// IOTType for a working copy as it would return for the real ICompilationUnit.
// I don't think this is correct.
// Testcases that break with this behavior are RenameMethodInInterfaceTests.testMethodAlreadyExists*
// (carp)
// if (elem != null)
// {
// if (elem.getElementType() == IJavaElement.COMPILATION_UNIT)
// {
// ICompilationUnit unit = (ICompilationUnit)elem;
// if (unit.isWorkingCopy())
// {
// return unit.getPrimary();
// }
// }
// }
// return elem;
}
}
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