added diagnoses extraction from tree

[ker1415-1.git] / report / src / task14part1.pl

diff --git a/report/src/task14part1.pl b/report/src/task14part1.pl
new file mode 100644 (file)
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+++ b/report/src/task14part1.pl
@@ -0,0 +1,18 @@
+:- [diagnosis].\r
+\r
+generateHittingSetTree(SD, COMP, OBS, HS, HSTREE) :- %test with problem1(SD,COMP,OBS), generateHittingSetTree(SD,COMP,OBS,[],HSTREE). This needs to report node([a1], [node([a2], [leaf])]).\r
+       tp(SD, COMP, OBS, HS, CS) -> generateParts(SD, COMP, OBS, HS, CS, HSTREE) ; generateParts(_,_,_,_, [], HSTREE).  %second part of the OR is needed to translate an empty conflict set into a leaf.       \r
+       \r
+generateParts(_,_,_,_, [],leaf).%generates leaf if at the end of all possible conflict sets in a branch\r
+generateParts(SD, COMP, OBS, HS, CS, node(CS, RESTOFTREE)) :- %generates node if the conflict set isn't empty and goes on.\r
+       repairBranch(SD, COMP, OBS, HS, CS, RESTOFTREE). %repairs the branch by branching out for each item in the conflict set and generating new conflict sets for the next node\r
+       \r
+                               \r
+repairBranch(SD, COMP, OBS, HS, [CONFLICTITEM], [BRANCH]) :- %single item left in conflict set\r
+       append(HS, [CONFLICTITEM], HSNEW), %add the used conflict set item for this branch to the new hitting set\r
+       generateHittingSetTree(SD, COMP, OBS, HSNEW, BRANCH). %find the next new conflict set with the new hitted item\r
+repairBranch(SD, COMP, OBS, HS, [CSHEAD|CSTAIL], [BRANCHHEAD|BRANCHTAIL]) :- %multiple items left in conflict set\r
+       append(HS, [CSHEAD], HSNEW), %add the used conflict set item for this branch to the new hitting set\r
+       generateHittingSetTree(SD, COMP, OBS, HSNEW, BRANCHHEAD), %find the next new conflict set with the new hitted item\r
+       repairBranch(SD, COMP, OBS, HS, CSTAIL, BRANCHTAIL). %goes on in recursion for each item in the conflict set of the current node\r
+       
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