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/*******************************************************************************
* Copyright (c) 2007, 2015 Wind River Systems and others.
*
* 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
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.examples.dsf.pda.service;
import org.eclipse.cdt.dsf.datamodel.IDMContext;
import org.eclipse.cdt.dsf.debug.service.IBreakpoints.IBreakpointsTargetDMContext;
import org.eclipse.cdt.dsf.debug.service.IRunControl.IContainerDMContext;
import org.eclipse.cdt.dsf.debug.service.command.ICommandControlService.ICommandControlDMContext;
import org.eclipse.cdt.dsf.service.DsfSession;
import org.eclipse.core.runtime.PlatformObject;
/**
* Top-level Data Model context for the PDA debugger representing the while PDA
* virtual machine.
* <p>
* The PDA debugger is a single-threaded application. Therefore this
* top level context implements IExecutionDMContext directly, hence this
* context can be used to call the IRunControl service to perform run
* control opreations.
* </p>
* <p>
* Also, the PDA debugger allows setting breakpoints in scope of the
* whole program only, so this context can be used with the breakpoints
* service to install/remove breakpoints.
* </p>
* <p>
* Note: There should only be one instance of PDAVirtualMachineDMContext
* created by each PDA command control, so its equals method defaults to using
* instance comparison.
* </p>
*/
public class PDAVirtualMachineDMContext extends PlatformObject
implements ICommandControlDMContext, IContainerDMContext, IBreakpointsTargetDMContext {
final static IDMContext[] EMPTY_PARENTS_ARRAY = new IDMContext[0];
final private String fSessionId;
final private String fProgram;
public PDAVirtualMachineDMContext(String sessionId, String program) {
fSessionId = sessionId;
fProgram = program;
}
@Override
public String getSessionId() {
return fSessionId;
}
public String getProgram() {
return fProgram;
}
@Override
public IDMContext[] getParents() {
return EMPTY_PARENTS_ARRAY;
}
@Override
public String toString() {
return "pda[" + getSessionId() + "]";
}
@Override
public String getCommandControlId() {
return getProgram();
}
@Override
public <T> T getAdapter(Class<T> adapterType) {
Object retVal = null;
DsfSession session = DsfSession.getSession(fSessionId);
if (session != null) {
retVal = session.getModelAdapter(adapterType);
}
if (retVal == null) {
retVal = super.getAdapter(adapterType);
}
return adapterType.cast(retVal);
}
}
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