| 1 | package de.uka.ipd.sdq.simucomframework.fork; |
| 2 | |
| 3 | import de.uka.ipd.sdq.simucomframework.Context; |
| 4 | import de.uka.ipd.sdq.simucomframework.SimuComSimProcess; |
| 5 | import de.uka.ipd.sdq.simucomframework.resources.AbstractSimulatedResourceContainer; |
| 6 | import de.uka.ipd.sdq.simucomframework.variables.stackframe.SimulatedStack; |
| 7 | |
| 8 | /** |
| 9 | * Context for forked behaviours |
| 10 | * @author Steffen Becker |
| 11 | * |
| 12 | */ |
| 13 | public class ForkContext extends Context { |
| 14 | |
| 15 | private Context parentContext; |
| 16 | |
| 17 | /** |
| 18 | * Constructor of the parallel process |
| 19 | * @param parentContext The current context of the parent thread. |
| 20 | * Used to evaluate variables in the parallel process |
| 21 | * @param parent The parent process |
| 22 | */ |
| 23 | public ForkContext(Context parentContext, SimuComSimProcess parent) { |
| 24 | super(parentContext.getModel()); |
| 25 | this.setSimProcess(parent); |
| 26 | this.parentContext = parentContext; |
| 27 | this.stack = new SimulatedStack<Object>(); |
| 28 | |
| 29 | // Run this thread with a copy of the parents stackframe |
| 30 | // Likely subject to change in later PCM versions |
| 31 | this.stack.pushStackFrame(parentContext.getStack().currentStackFrame().copyFrame()); |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * |
| 36 | */ |
| 37 | private static final long serialVersionUID = 6701742993106975705L; |
| 38 | |
| 39 | @Override |
| 40 | public AbstractSimulatedResourceContainer findResource(String assemblyContextID) { |
| 41 | // Use my parents allocation information to do my look ups |
| 42 | return parentContext.findResource(assemblyContextID); |
| 43 | } |
| 44 | |
| 45 | public Context getParentContext() { |
| 46 | return parentContext; |
| 47 | } |
| 48 | |
| 49 | @Override |
| 50 | protected void initialiseAssemblyContextLookup() { |
| 51 | // Emtpy as we use our parents allocation lookup |
| 52 | } |
| 53 | |
| 54 | } |