| /********************************************************************** |
| * 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 |
| * |
| * 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.debug; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| |
| import org.eclipse.core.internal.runtime.AdapterManager; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.IDebugElement; |
| import org.eclipse.debug.core.model.IDebugTarget; |
| import org.eclipse.debug.core.model.IStackFrame; |
| import org.eclipse.jdt.debug.core.IJavaThread; |
| import org.eclipse.jdt.debug.core.IJavaVariable; |
| import org.eclipse.jdt.internal.debug.core.model.JDIThisVariable; |
| import org.eclipse.objectteams.otdt.debug.internal.util.TeamActivationTimeComparator; |
| import org.eclipse.objectteams.otdt.debug.internal.util.TeamInstantiantionComparator; |
| import org.eclipse.objectteams.otdt.debug.internal.util.TeamNameComparator; |
| |
| /** |
| * One instance of this class exists per launch (ensured by OTDebugElementsContainerFactory). |
| * At each point in time, each OTDebugElementsContainer also refers to a specific "context" - |
| * either of: |
| * <ul> |
| * <li> ILaunch </li> |
| * <li> IThread </li> |
| * <li> IStackFrame </li> |
| * </ul> |
| * Depending on the context of the Container a current thread can be requested (IThread/IStackFrame). |
| * |
| * A list of known team instances is maintained, which is always sorted according to the |
| * current sorting mode. |
| * |
| * @author ike |
| * @noinstantiate clients are not supposed to instantiate this class. |
| * @noextend clients are not supposed to extend this class. |
| */ |
| public class OTDebugElementsContainer implements IAdaptable |
| { |
| private ArrayList<TeamInstance> _teamInstances = new ArrayList<TeamInstance>(); |
| private IDebugElement _context; |
| private String _sortMode; |
| |
| /** @category lifecycle */ |
| public Object getAdapter(Class adapter) |
| { |
| return AdapterManager.getDefault().getAdapter(this, adapter); |
| } |
| |
| /** @category lifecycle */ |
| public IDebugElement getContext() |
| { |
| return _context; |
| } |
| |
| /** |
| * @category lifecycle |
| * |
| * @param context |
| * @return true if the context actually changed (refresh needed). |
| */ |
| public boolean setContext(IDebugElement context) |
| { |
| if (this._context == context) |
| return false; |
| _context = context; |
| return true; |
| } |
| |
| /** @category lifecycle */ |
| public void dispose() |
| { |
| _teamInstances.clear(); |
| } |
| |
| /** @throws DebugException |
| * @category modification */ |
| public TeamInstance addTeamInstance(JDIThisVariable teamVariable) |
| throws DebugException |
| { |
| TeamInstance teamInstance = getTeamInstance(teamVariable); |
| if (teamInstance== null) |
| { |
| teamInstance = new TeamInstance(teamVariable); |
| _teamInstances.add(teamInstance); |
| sortTeamInstances(); |
| } |
| |
| return teamInstance; |
| } |
| |
| /** @category modification */ |
| public int removeTeamInstance(IJavaVariable teamVariable) |
| { |
| for (int i=0; i<this._teamInstances.size(); i++) |
| { |
| if(this._teamInstances.get(i).equals(teamVariable)) |
| { |
| _teamInstances.remove(i); |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| /** @category modification */ |
| public void setSortMode(String sortMode) |
| { |
| String oldSortMode= _sortMode; |
| _sortMode = sortMode; |
| if (sortMode != null && !sortMode.equals(oldSortMode)) |
| sortTeamInstances(); |
| } |
| |
| /** @category modification */ |
| private void sortTeamInstances() |
| { |
| if (_sortMode == null) |
| return; |
| if(_sortMode.equals(IOTDTDebugPreferenceConstants.TEAMS_BY_ACTIVATION_TIME)) |
| { |
| Collections.sort(_teamInstances, new TeamActivationTimeComparator()); |
| } |
| else if(_sortMode.equals(IOTDTDebugPreferenceConstants.TEAMS_BY_INSTANTIATION)) |
| { |
| Collections.sort(_teamInstances, new TeamInstantiantionComparator()); |
| } |
| else if(_sortMode.equals(IOTDTDebugPreferenceConstants.TEAMS_BY_NAME)) |
| { |
| Collections.sort(_teamInstances, new TeamNameComparator()); |
| } |
| } |
| |
| /** @category query */ |
| public boolean hasTeamInstances() |
| { |
| return !_teamInstances.isEmpty(); |
| } |
| |
| /** @category query */ |
| public int getChildCount() { |
| return _teamInstances.size(); |
| } |
| |
| /** @category query */ |
| public TeamInstance getTeamInstance(IJavaVariable teamVariable) |
| { |
| for (Iterator iter = _teamInstances.iterator(); iter.hasNext();) |
| { |
| TeamInstance teamInstance = (TeamInstance) iter.next(); |
| if(teamInstance.equals(teamVariable)) |
| return teamInstance; |
| } |
| return null; |
| } |
| |
| /** @category query */ |
| public int getIndexOfTeamInstance(TeamInstance teamInstance) { |
| for (int i = 0; i < this._teamInstances.size(); i++) |
| if (this._teamInstances.get(i).equals(teamInstance)) |
| return i; |
| |
| return -1; |
| } |
| |
| /** @category query */ |
| public ArrayList<TeamInstance> getTeamInstances() |
| { |
| return _teamInstances; |
| } |
| |
| /** |
| * @category query |
| * |
| * If the current context is either an IJavaThread or an IStackFrame, |
| * return the (corresponding) thread. |
| */ |
| public IJavaThread getContextThread() { |
| if (this._context instanceof IJavaThread) |
| return (IJavaThread) this._context; |
| if (this._context instanceof IStackFrame) |
| return (IJavaThread)((IStackFrame) this._context).getThread(); |
| return null; // no specific thread selected |
| } |
| |
| /** |
| * @category query |
| * |
| * If the current context has a thread, ask whether it is suspended, |
| * otherwise ask whether some thread is suspended (by using canResume()). |
| */ |
| public boolean isSuspended() { |
| IJavaThread contextThread = getContextThread(); |
| if (contextThread != null && contextThread.isSuspended()) |
| return true; |
| IDebugTarget target= null; |
| if (this._context instanceof IDebugTarget) |
| target = (IDebugTarget) this._context; |
| else |
| target= this._context.getDebugTarget(); |
| return target.canResume(); |
| } |
| |
| } |