/*******************************************************************************
 * Copyright (c) 2010, 2011 Texas Instruments, Inc. 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
 *
 * Contributors:
 *     Dobrin Alexiev (Texas Instruments) - initial API and implementation (bug 240208)
********************************************************************************/
package org.eclipse.cdt.dsf.debug.internal.provisional.service;

import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
import org.eclipse.cdt.dsf.concurrent.RequestMonitor;
import org.eclipse.cdt.dsf.debug.service.IRunControl.IExecutionDMContext;
import org.eclipse.cdt.dsf.service.IDsfService;

/**
 * EXPERIMENTAL. This class or interface has been added as part
 * of a work in progress. There is no guarantee that this API will work or that
 * it will remain the same.
 * 
 * Interface for translating one model of execution context hierarchy to another.
 * As the grouping feature is added incrementally this interface will be defined properly. 
 * 
 * The reason this interface is proposed at the DSF level is to accommodate requirements from 
 * multiple DSF debuggers. 
 *   
 * @since 2.2
 * @experimental
 */
public interface IExecutionContextTranslator extends IDsfService {
	
	/**
	 * returns true if all DM contexts can be grouped into one container. 
	 * 
	 * @param context
	 * @param rm
	 */
    void canGroup(IExecutionDMContext[] contexts, DataRequestMonitor<Boolean> rm);
    
	/**
	 * returns true if all DM contexts can be ungrouped.
	 * 
	 * @param context
	 * @param rm
	 */
    void canUngroup(IExecutionDMContext[] contexts, DataRequestMonitor<Boolean> rm);
    
    /**
     * Groups the specified execution contexts. 
     * 
     * @param context
     * @param requestMonitor
     */
    void group(IExecutionDMContext[] contexts, RequestMonitor requestMonitor);
    
    /**
     * Ungroups the specified execution contexts.
     *  
     * @param context
     * @param requestMonitor
     */
    void ungroup(IExecutionDMContext[] contexts, RequestMonitor requestMonitor);
}