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package it.cnr.istc.pst.platinum.executive.dc.strategy; |
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import java.util.HashMap; |
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import java.util.HashSet; |
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import java.util.Map; |
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import java.util.Set; |
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import it.cnr.istc.pst.platinum.executive.dc.strategy.result.Transition; |
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public class TreeNodeState { |
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private StateSet parentState; |
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private Set<TreeNodeState> childStates; |
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private Map<String,Map<String,String>> uChildStates; |
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public TreeNodeState(StateSet sourceState, Set<StateSet> remainingListStates, Set<String> uStates) { |
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this.parentState = sourceState; |
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this.childStates = new HashSet<>(); |
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this.findChildStates(remainingListStates, uStates); |
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this.uChildStates = new HashMap<>(); |
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} |
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private void findChildStates(Set<StateSet> stateList, Set<String> uStates) { |
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if(this.parentState.getStateSet().toString().contains("rsa=rsa14")) System.out.println("RSA14 REST: " + this.parentState +stateList); |
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//action transitions in parent node |
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Set<Transition> transitions = this.parentState.getTransitionStates(); |
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//set to keep found next states |
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Set<StateSet> nextFound = new HashSet<>(); |
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//generate list of next states compatible with action of the parent node |
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Set< Map<String,String> > nextStates = new HashSet<>(); |
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for (Transition t : transitions) { |
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Map<String,String> stat = new HashMap<>(); |
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stat.put(t.getTransitionTo().getTimeline(),t.getTransitionTo().getToken()); |
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nextStates.add(stat); |
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} |
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//search for the next states in list in the remaining list of states to insert in the tree |
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Set<StateSet> output = new HashSet<>(); |
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for( StateSet set : stateList ){ |
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for ( Map<String,String> next : nextStates ) { |
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if(set.isStateSetStatusControllable(next,uStates)) { //equals with only controllable |
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nextFound.add(set); |
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} |
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else { |
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output.add(set); |
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} |
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} |
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} |
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this.setChildStates(nextFound,output, uStates); |
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} |
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private void setChildStates(Set<StateSet> childStates, Set<StateSet> rest, Set<String> uStates) { |
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for( StateSet set : childStates) { |
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this.childStates.add(new TreeNodeState(set,rest, uStates)); |
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} |
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if (childStates.isEmpty() && !rest.isEmpty()) { |
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//can happen, it's not an error |
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//System.out.println("Some states are not reachable in this branch: " + rest ); |
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} |
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} |
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public StateSet getParentState() { |
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return parentState; |
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} |
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public Set<TreeNodeState> getChildStates() { |
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return childStates; |
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} |
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public TreeNodeState getChild(Map<String,String> s) { |
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for(TreeNodeState child : this.childStates) { |
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if(child.parentState.isStateSetStatus(s)){ |
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return child; |
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} |
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} |
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return null; |
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} |
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@Override |
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public String toString() { |
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return "TreeNodeState [parentState=" + parentState + ", childStates=" + childStates + ", uChildStates=" |
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+ uChildStates + "]"; |
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} |
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public boolean isStateSetStatus(Map<String, String> actualState) { |
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return this.parentState.isStateSetStatus(actualState); |
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} |
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public boolean isStateSetStatusControllable(Map<String, String> actualState, Set<String> uStates) { |
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return this.parentState.isStateSetStatusControllable(actualState, uStates); |
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} |
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public StateStrategy searchNextStepStrategy(Map<String, Long> timelineClocks) throws Exception { |
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try { |
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return this.parentState.searchNextStepStrategy(timelineClocks); |
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} catch (Exception e) { |
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// TODO Auto-generated catch block |
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e.printStackTrace(); |
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} |
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throw new Exception(); |
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} |
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102
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} |
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pstlab /
PLATINUm
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