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/*******************************************************************************
* Copyright (c) 2008, 2009 Wind River Systems 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:
* Wind River Systems - initial API and implementation
* Nokia - create and use backend service.
*******************************************************************************/
package org.eclipse.cdt.dsf.mi.service;
import java.io.InputStream;
import java.io.OutputStream;
import org.eclipse.cdt.dsf.concurrent.Immutable;
import org.eclipse.cdt.dsf.service.IDsfService;
/**
* Service for controlling the back end process.
* @since 1.1
*/
public interface IMIBackend extends IDsfService {
public enum State { NOT_INITIALIZED, STARTED, TERMINATED };
/**
* Event indicating that the back end process has started or terminated.
*/
@Immutable
public static class BackendStateChangedEvent {
final private String fSessionId;
final private String fBackendId;
final private State fState;
public BackendStateChangedEvent(String sessionId, String backendId, State state) {
fSessionId = sessionId;
fBackendId = backendId;
fState = state;
}
public String getSessionId() {
return fSessionId;
}
public String getBackendId() {
return fBackendId;
}
public State getState() {
return fState;
}
}
/**
* Returns the identifier of this backend service. It can be used
* to distinguish between multiple instances of this service in a
* single session.
*/
public String getId();
/**
* Requests that the backend be immediately terminated.
*/
public void destroy();
/**
* Returns the current state of the backed.
* @return
*/
public State getState();
/**
* Returns the exit code of the backend. Returns <code>-1</code> if
* the backend exit code is not available.
* @return
*/
public int getExitCode();
/**
* Returns the backend command stream.
*/
public InputStream getMIInputStream();
/**
* Returns the backend result and event stream.
* @return
*/
public OutputStream getMIOutputStream();
}
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