/********************************************************************** | |
* This file is part of "Object Teams Dynamic Runtime Environment" | |
* | |
* Copyright 2009, 2014 Oliver Frank 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 | |
* | |
* Please visit http://www.eclipse.org/objectteams for updates and contact. | |
* | |
* Contributors: | |
* Oliver Frank - Initial API and implementation | |
* Stephan Herrmann - Initial API and implementation | |
**********************************************************************/ | |
package org.eclipse.objectteams.otredyn.bytecode; | |
import java.util.ArrayList; | |
import java.util.Collection; | |
import java.util.Collections; | |
import java.util.List; | |
import java.util.Set; | |
import java.util.TreeSet; | |
import org.eclipse.objectteams.otredyn.runtime.IBinding; | |
import org.eclipse.objectteams.otredyn.runtime.IBoundClass; | |
import org.eclipse.objectteams.otredyn.runtime.IBoundTeam; | |
import org.eclipse.objectteams.otredyn.runtime.IClassIdentifierProvider; | |
import org.eclipse.objectteams.otredyn.runtime.IClassRepository; | |
/** | |
* Represents a team class and stores the bindings this team has got. | |
*/ | |
public abstract class AbstractTeam extends AbstractBoundClass implements IBoundTeam { | |
/** | |
* All relevant bindings (callin and decapsulation) of this team. | |
* By internally using a TreeSet the set of bindings is naturally sorted | |
* based on {@link Binding#compareTo(Binding)} (see there). | |
*/ | |
private Set<IBinding> bindings; | |
/** | |
* The highest perTeamAccessId that has been read from an OTSpecialAccess attribute | |
*/ | |
private int highestAccessId; | |
protected AbstractTeam(String name, String id, ClassLoader loader) { | |
super(name, id, loader); | |
bindings = new TreeSet<IBinding>(); | |
} | |
/** | |
* Adds a binding to the team. | |
* This method is intended to be called, | |
* while parsing the bytecode | |
* @param binding | |
*/ | |
public void addBinding(Binding binding) { | |
bindings.add(binding); | |
} | |
public Collection<IBinding> getBindings() { | |
parseBytecode(); | |
return bindings; | |
} | |
/** | |
* Returns the superclass of this team as AbstractTeam | |
*/ | |
@Override | |
public AbstractTeam getSuperclass() { | |
return (AbstractTeam) super.getSuperclass(); | |
} | |
/** | |
* Record that this team uses the given accessId. | |
* @param accessId | |
*/ | |
public void recordAccessId(int accessId) { | |
this.highestAccessId = Math.max(this.highestAccessId, accessId); | |
} | |
public int getHighestAccessId() { | |
return highestAccessId; | |
} | |
/** Answer known tsub-versions of the given role. */ | |
private List<String> getTSubRoles(String simpleRoleName) { | |
List<String> result = new ArrayList<String>(); | |
for (AbstractBoundClass subTeam : this.subclasses.keySet()) { | |
if (!subTeam.isAnonymous()) | |
result.add(subTeam.getName()+'$'+simpleRoleName); | |
} | |
return result; | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
@Override | |
public List<IBoundClass> getTSubsOfThis(IClassRepository classRepository, IClassIdentifierProvider idProvider) { | |
String name = this.getName(); | |
int dollar = name.lastIndexOf('$'); | |
if (dollar == -1) | |
return Collections.emptyList(); | |
String teamName = name.substring(0, dollar); | |
// FIXME: use the idProvider, but: we don't yet have that team class :( | |
IBoundTeam myTeam = classRepository.getTeam(teamName.replace('/', '.'), teamName.replace('.', '/'), this.loader); | |
List<String> tsubRoleNames = ((AbstractTeam)myTeam).getTSubRoles(name.substring(dollar+1)); | |
List<IBoundClass> tsubBases = new ArrayList<IBoundClass>(); | |
for (String tsubRoleName : tsubRoleNames) | |
tsubBases.add(classRepository.getBoundClass(tsubRoleName.replace('/', '.'), tsubRoleName.replace('.', '/'), this.loader)); | |
return tsubBases; | |
} | |
protected abstract void setBytecode(byte[] classBytes); | |
} |