/*
* #%~
* The VDM Type Checker
* %%
* Copyright (C) 2008 - 2014 Overture
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/gpl-3.0.html>.
* #~%
*/
package org.overture.typechecker.assistant.definition;
import java.util.HashSet;
import java.util.List;
import java.util.Vector;
import org.overture.ast.definitions.PDefinition;
import org.overture.typechecker.assistant.ITypeCheckerAssistantFactory;
public class PDefinitionSet extends HashSet<PDefinition>
{
/**
*
*/
private static final long serialVersionUID = 2315113629324204849L;
protected ITypeCheckerAssistantFactory af;
public PDefinitionSet(ITypeCheckerAssistantFactory af)
{
this.af = af;
}
@Override
public boolean add(PDefinition e)
{
if (!contains(e))
{
return super.add(e);
}
return false;
}
@Override
public boolean contains(Object o)
{
for (PDefinition def : this)
{
if (af.createPDefinitionAssistant().equals(def, o))
{
return true;
}
}
return false;
}
public List<PDefinition> asList()
{
List<PDefinition> list = new Vector<PDefinition>();
list.addAll(this);
return list;
}
}