1 package Analysis.SSJava;
3 import java.util.HashMap;
4 import java.util.HashSet;
5 import java.util.Iterator;
10 import IR.MethodDescriptor;
13 public class BuildLattice {
15 private LocationInference infer;
17 private final HNode topNode;
18 private final HNode bottomNode;
20 public BuildLattice(LocationInference infer) {
22 topNode = new HNode(infer.ssjava.TOP);
23 bottomNode = new HNode(infer.ssjava.BOTTOM);
26 public SSJavaLattice<String> buildLattice(Descriptor desc) {
28 HierarchyGraph inputGraph = infer.getSkeletonCombinationHierarchyGraph(desc);
29 LocationSummary locSummary = infer.getLocationSummary(desc);
31 Set<HNode> nodeSetWithCompositeLocation = new HashSet<HNode>();
32 if (desc instanceof MethodDescriptor) {
33 FlowGraph flowGraph = infer.getFlowGraph((MethodDescriptor) desc);
35 for (Iterator iterator = inputGraph.getNodeSet().iterator(); iterator.hasNext();) {
36 HNode hnode = (HNode) iterator.next();
37 Descriptor hnodeDesc = hnode.getDescriptor();
38 if (hnodeDesc != null) {
39 NTuple<Descriptor> descTuple = new NTuple<Descriptor>();
40 descTuple.add(hnodeDesc);
42 if (flowGraph.contains(descTuple)) {
43 FlowNode flowNode = flowGraph.getFlowNode(descTuple);
44 if (flowNode.getCompositeLocation() != null) {
45 nodeSetWithCompositeLocation.add(hnode);
54 BasisSet basisSet = inputGraph.computeBasisSet(nodeSetWithCompositeLocation);
55 debug_print(inputGraph);
57 Family family = generateFamily(basisSet);
58 Map<Set<Integer>, Set<Set<Integer>>> mapImSucc = coveringGraph(basisSet, family);
60 SSJavaLattice<String> lattice = buildLattice(basisSet, inputGraph, locSummary, mapImSucc);
65 private SSJavaLattice<String> buildLattice(BasisSet basisSet, HierarchyGraph inputGraph,
66 LocationSummary locSummary, Map<Set<Integer>, Set<Set<Integer>>> mapImSucc) {
68 SSJavaLattice<String> lattice =
69 new SSJavaLattice<String>(SSJavaAnalysis.TOP, SSJavaAnalysis.BOTTOM);
71 Map<Set<Integer>, String> mapFToLocName = new HashMap<Set<Integer>, String>();
73 Set<Set<Integer>> keySet = mapImSucc.keySet();
74 for (Iterator iterator = keySet.iterator(); iterator.hasNext();) {
75 Set<Integer> higher = (Set<Integer>) iterator.next();
77 String higherName = generateElementName(basisSet, inputGraph, mapFToLocName, higher);
79 HNode higherNode = inputGraph.getHNode(higherName);
80 if (higherNode != null && higherNode.isSharedNode()) {
81 lattice.addSharedLoc(higherName);
83 Set<Descriptor> descSet = inputGraph.getDescSetOfNode(higherNode);
84 // System.out.println("higherName=" + higherName + " higherNode=" + higherNode + " descSet="
86 for (Iterator iterator2 = descSet.iterator(); iterator2.hasNext();) {
87 Descriptor d = (Descriptor) iterator2.next();
88 locSummary.addMapHNodeNameToLocationName(d.getSymbol(), higherName);
90 // locSummary.addMapHNodeNameToLocationName(higherName, higherName);
92 Set<Set<Integer>> lowerSet = mapImSucc.get(higher);
93 for (Iterator iterator2 = lowerSet.iterator(); iterator2.hasNext();) {
94 Set<Integer> lower = (Set<Integer>) iterator2.next();
96 String lowerName = generateElementName(basisSet, inputGraph, mapFToLocName, lower);
97 HNode lowerNode = inputGraph.getHNode(lowerName);
98 if (lowerNode != null && lowerNode.isSharedNode()) {
99 lattice.addSharedLoc(lowerName);
102 Set<Descriptor> lowerDescSet = inputGraph.getDescSetOfNode(lowerNode);
103 // System.out.println("lowerName=" + lowerName + " lowerNode=" + lowerNode + " descSet="
105 for (Iterator iterator3 = lowerDescSet.iterator(); iterator3.hasNext();) {
106 Descriptor d = (Descriptor) iterator3.next();
107 locSummary.addMapHNodeNameToLocationName(d.getSymbol(), lowerName);
109 // locSummary.addMapHNodeNameToLocationName(lowerName, lowerName);
111 if (higher.size() == 0) {
113 lattice.put(lowerName);
115 lattice.addRelationHigherToLower(higherName, lowerName);
125 public HNode getCombinationNodeInSCGraph(Descriptor desc, HNode nodeFromSimpleGraph) {
127 HierarchyGraph scGraph = infer.getSkeletonCombinationHierarchyGraph(desc);
129 if (nodeFromSimpleGraph.isSkeleton()) {
130 return scGraph.getCurrentHNode(nodeFromSimpleGraph);
133 Set<HNode> combineSkeletonNodeSet =
134 infer.getSimpleHierarchyGraph(desc).getCombineSetByCombinationNode(nodeFromSimpleGraph);
135 HNode combinationNodeInSCGraph =
136 infer.getSkeletonCombinationHierarchyGraph(desc).getMapCombineNodeSetToCombinationNode()
137 .get(combineSkeletonNodeSet);
139 // Set<HNode> combineSkeletonNodeSet =
140 // infer.getSimpleHierarchyGraph(desc).getCombineSetByCombinationNode(simpleGraphNode);
141 // HNode combinationNodeInSCGraph =
142 // infer.getSkeletonCombinationHierarchyGraph(desc).getCombinationNode(combineSkeletonNodeSet);
143 return combinationNodeInSCGraph;
146 public SSJavaLattice<String> insertIntermediateNodesToStraightLine(Descriptor desc,
147 SSJavaLattice<String> skeletonLattice) {
149 // perform DFS that starts from each skeleton/combination node and ends by another
150 // skeleton/combination node
152 HierarchyGraph simpleGraph = infer.getSimpleHierarchyGraph(desc);
153 HierarchyGraph scGraph = infer.getSkeletonCombinationHierarchyGraph(desc);
154 LocationSummary locSummary = infer.getLocationSummary(desc);
156 SSJavaLattice<String> lattice = skeletonLattice.clone();
158 Set<HNode> visited = new HashSet<HNode>();
160 Set<HNode> nodeSet = simpleGraph.getNodeSet();
162 Map<TripleItem, String> mapIntermediateLoc = new HashMap<TripleItem, String>();
164 System.out.println("*insert=" + desc);
165 System.out.println("***nodeSet=" + nodeSet);
166 for (Iterator iterator = nodeSet.iterator(); iterator.hasNext();) {
167 HNode node = (HNode) iterator.next();
168 System.out.println("node=" + node);
169 if (node.isSkeleton() && (!visited.contains(node))) {
172 Set<HNode> outSet = simpleGraph.getOutgoingNodeSet(node);
173 for (Iterator iterator2 = outSet.iterator(); iterator2.hasNext();) {
174 HNode outNode = (HNode) iterator2.next();
176 if (!outNode.isSkeleton()) {
177 if (outNode.isCombinationNode()) {
178 expandCombinationNode(desc, lattice, visited, mapIntermediateLoc, locSummary, outNode);
180 // we have a node that is neither combination or skeleton node
181 // System.out.println("%%%skeleton node=" + node + " outNode=" + outNode);
182 HNode startNode = scGraph.getCurrentHNode(node);
184 // if (node.getDescriptor() != null) {
185 // // node is a skeleton node and it might be merged into another node in the SC
187 // startNode = scGraph.getHNode(node.getDescriptor());
189 // // this node has already been merged before the SC graph.
193 Set<HNode> endNodeSetFromSimpleGraph =
194 simpleGraph.getDirectlyReachableSkeletonCombinationNodeFrom(outNode, null);
196 // System.out.println("endNodeSetFromSimpleGraph=" + endNodeSetFromSimpleGraph
197 // + " from=" + outNode);
198 Set<HNode> endCombNodeSet = new HashSet<HNode>();
199 for (Iterator iterator3 = endNodeSetFromSimpleGraph.iterator(); iterator3.hasNext();) {
200 HNode endNode = (HNode) iterator3.next();
201 endCombNodeSet.add(getCombinationNodeInSCGraph(desc, endNode));
203 // System.out.println("endCombNodeSet=" + endCombNodeSet);
204 visited.add(outNode);
205 if (endCombNodeSet.size() > 0) {
206 // follows the straight line up to another skeleton/combination node
207 endCombNodeSet = removeTransitivelyReachToNode(desc, startNode, endCombNodeSet);
208 } else if (endCombNodeSet.size() == 0) {
209 // the outNode is (directly/transitively) connected to the bottom node
210 // therefore, we just add a dummy bottom HNode to the endCombNodeSet.
211 endCombNodeSet.add(bottomNode);
214 recurDFSNormalNode(desc, lattice, startNode, endCombNodeSet, visited,
215 mapIntermediateLoc, 1, locSummary, outNode);
221 } else if (!node.isSkeleton() && !node.isCombinationNode() && !node.isMergeNode()
222 && !visited.contains(node)) {
224 System.out.println("n=" + node);
226 // an intermediate node 'node' may be located between "TOP" location and a skeleton node
227 if (simpleGraph.getIncomingNodeSet(node).size() == 0) {
228 // this node will be directly connected to the TOP location
229 // start adding the following nodes from this node
231 // Set<HNode> endNodeSetFromSimpleGraph =
232 // simpleGraph.getDirectlyReachableSkeletonCombinationNodeFrom(node, null);
234 Set<HNode> endNodeSet = simpleGraph.getReachableSCNodeSet(node);
236 Set<HNode> endCombNormalNodeSet = new HashSet<HNode>();
237 for (Iterator iterator3 = endNodeSet.iterator(); iterator3.hasNext();) {
238 HNode endNode = (HNode) iterator3.next();
239 if (endNode.isSkeleton() || endNode.isCombinationNode()) {
240 endCombNormalNodeSet.add(getCombinationNodeInSCGraph(desc, endNode));
242 endCombNormalNodeSet.addAll(simpleGraph.getSCNodeReachToSet(endNode));
246 HNode startNode = topNode;
247 visited.add(startNode);
248 if (endCombNormalNodeSet.size() > 0) {
249 // follows the straight line up to another skeleton/combination node
250 // endCombNodeSet = removeTransitivelyReachToNode(desc, node, endCombNodeSet);
251 recurDFSNormalNode(desc, lattice, startNode, endCombNormalNodeSet, visited,
252 mapIntermediateLoc, 1, locSummary, node);
264 private void expandCombinationNode(Descriptor desc, SSJavaLattice<String> lattice,
265 Set<HNode> visited, Map<TripleItem, String> mapIntermediateLoc, LocationSummary locSummary,
268 // expand the combination node 'outNode'
269 // here we need to expand the corresponding combination location in the lattice
270 HNode combinationNodeInSCGraph = getCombinationNodeInSCGraph(desc, cnode);
272 HierarchyGraph simpleGraph = infer.getSimpleHierarchyGraph(desc);
274 Set<HNode> combineSkeletonNodeSet = simpleGraph.getCombineSetByCombinationNode(cnode);
276 // System.out.println("combineSkeletonNodeSet=" + combineSkeletonNodeSet);
278 Set<HNode> combinationNodeSet =
279 simpleGraph.getCombinationNodeSetByCombineNodeSet(combineSkeletonNodeSet);
281 // System.out.println("combinationNodeSet=" + combinationNodeSet);
283 Set<HNode> endNodeSetFromSimpleGraph =
284 simpleGraph.getDirectlyReachableSkeletonCombinationNodeFrom(cnode, combinationNodeSet);
285 // System.out.println("-endNodeSetFromSimpleGraph=" + endNodeSetFromSimpleGraph);
286 Set<HNode> endCombNodeSet = new HashSet<HNode>();
287 for (Iterator iterator3 = endNodeSetFromSimpleGraph.iterator(); iterator3.hasNext();) {
288 HNode endNode = (HNode) iterator3.next();
289 endCombNodeSet.add(getCombinationNodeInSCGraph(desc, endNode));
293 // follows the straight line up to another skeleton/combination node
294 if (endCombNodeSet.size() > 0) {
295 System.out.println("---endCombNodeSet=" + endCombNodeSet);
297 removeTransitivelyReachToNode(desc, combinationNodeInSCGraph, endCombNodeSet);
299 recurDFS(desc, lattice, combinationNodeInSCGraph, endCombNodeSet, visited,
300 mapIntermediateLoc, 1, locSummary, cnode);
302 endCombNodeSet.add(bottomNode);
303 System.out.println("---endCombNodeSet is zero");
304 System.out.println("---endNodeSetFromSimpleGraph=" + endNodeSetFromSimpleGraph);
305 System.out.println("---incoming=" + simpleGraph.getIncomingNodeSet(cnode));
306 recurDFS(desc, lattice, combinationNodeInSCGraph, endCombNodeSet, visited,
307 mapIntermediateLoc, 1, locSummary, cnode);
313 private Set<HNode> removeTransitivelyReachToNode(Descriptor desc, HNode startNode,
314 Set<HNode> endNodeSet) {
316 // if an end node is not directly connected to the start node in the SC graph
317 // replace it with a directly connected one which transitively reaches to it.
319 HierarchyGraph scGraph = infer.getSkeletonCombinationHierarchyGraph(desc);
321 Set<HNode> newEndNodeSet = new HashSet<HNode>();
322 for (Iterator iterator = endNodeSet.iterator(); iterator.hasNext();) {
323 HNode endNode = (HNode) iterator.next();
324 if (scGraph.isDirectlyConnectedTo(startNode, endNode)) {
325 newEndNodeSet.add(endNode);
328 getDirectlyReachableNodeFromStartNodeReachToEndNode(scGraph, startNode, endNode);
329 // System.out.println("#### old END NODE=" + endNode + " --->" + newEndNode);
330 newEndNodeSet.add(newEndNode);
334 // System.out.println("removeTransitivelyReachToNode=" + endNodeSet + " newSet=" +
337 return newEndNodeSet;
341 private HNode getDirectlyReachableSCNodeFromEndNode(HierarchyGraph scGraph, HNode startNode,
342 Set<HNode> endNodeSet) {
344 System.out.println("getDirectlyReachableSCNodeFromEndNode start=" + startNode + " endNodeSet="
346 Set<HNode> newStartNodeSet = new HashSet<HNode>();
348 for (Iterator iterator = endNodeSet.iterator(); iterator.hasNext();) {
349 HNode endNode = (HNode) iterator.next();
350 Set<HNode> connectedToEndNodeSet = scGraph.getIncomingNodeSet(endNode);
352 for (Iterator iterator2 = connectedToEndNodeSet.iterator(); iterator2.hasNext();) {
353 HNode curNode = (HNode) iterator2.next();
354 if (recurConnectedFromStartNode(scGraph, startNode, curNode, new HashSet<HNode>())) {
355 newStartNodeSet.add(curNode);
360 System.out.println("newStartNodeSet=" + newStartNodeSet);
362 if (newStartNodeSet.size() == 0) {
363 newStartNodeSet.add(startNode);
366 return newStartNodeSet.iterator().next();
369 private boolean recurConnectedFromStartNode(HierarchyGraph scGraph, HNode startNode,
370 HNode curNode, Set<HNode> visited) {
371 // return true if curNode is transitively connected from the startNode
373 boolean isConnected = false;
374 Set<HNode> inNodeSet = scGraph.getIncomingNodeSet(curNode);
375 for (Iterator iterator = inNodeSet.iterator(); iterator.hasNext();) {
376 HNode in = (HNode) iterator.next();
377 if (in.equals(startNode)) {
381 isConnected |= recurConnectedFromStartNode(scGraph, startNode, in, visited);
388 private HNode getDirectlyReachableNodeFromStartNodeReachToEndNode(HierarchyGraph scGraph,
389 HNode startNode, HNode endNode) {
390 System.out.println("getDirectlyReachableNodeFromStartNodeReachToEndNode start=" + startNode
391 + " end=" + endNode);
392 Set<HNode> connected = new HashSet<HNode>();
393 recurDirectlyReachableNodeFromStartNodeReachToEndNode(scGraph, startNode, endNode, connected);
394 if (connected.size() == 0) {
395 connected.add(endNode);
397 System.out.println("connected=" + connected);
399 return connected.iterator().next();
402 private void recurDirectlyReachableNodeFromStartNodeReachToEndNode(HierarchyGraph scGraph,
403 HNode startNode, HNode curNode, Set<HNode> connected) {
405 Set<HNode> inNodeSet = scGraph.getIncomingNodeSet(curNode);
406 for (Iterator iterator = inNodeSet.iterator(); iterator.hasNext();) {
407 HNode inNode = (HNode) iterator.next();
408 if (inNode.equals(startNode)) {
409 connected.add(curNode);
411 recurDirectlyReachableNodeFromStartNodeReachToEndNode(scGraph, startNode, inNode, connected);
417 private void recurDFSNormalNode(Descriptor desc, SSJavaLattice<String> lattice, HNode startNode,
418 Set<HNode> endNodeSet, Set<HNode> visited, Map<TripleItem, String> mapIntermediateLoc,
419 int idx, LocationSummary locSummary, HNode curNode) {
421 TripleItem item = new TripleItem(startNode, endNodeSet, idx);
422 // System.out.println("item=" + item);
423 if (!mapIntermediateLoc.containsKey(item)) {
424 // need to create a new intermediate location in the lattice
425 String newLocName = "ILOC" + (LocationInference.locSeed++);
428 above = startNode.getName();
430 int prevIdx = idx - 1;
431 TripleItem prevItem = new TripleItem(startNode, endNodeSet, prevIdx);
432 above = mapIntermediateLoc.get(prevItem);
435 Set<String> belowSet = new HashSet<String>();
436 for (Iterator iterator = endNodeSet.iterator(); iterator.hasNext();) {
437 HNode endNode = (HNode) iterator.next();
439 if (locSummary.getMapHNodeNameToLocationName().containsKey(endNode.getName())) {
440 locName = locSummary.getLocationName(endNode.getName());
442 locName = endNode.getName();
444 belowSet.add(locName);
446 lattice.insertNewLocationBetween(above, belowSet, newLocName);
448 mapIntermediateLoc.put(item, newLocName);
451 String locName = mapIntermediateLoc.get(item);
453 HierarchyGraph graph = infer.getSimpleHierarchyGraph(desc);
455 Set<Descriptor> descSet = graph.getDescSetOfNode(curNode);
456 for (Iterator iterator = descSet.iterator(); iterator.hasNext();) {
457 Descriptor d = (Descriptor) iterator.next();
458 locSummary.addMapHNodeNameToLocationName(d.getSymbol(), locName);
460 locSummary.addMapHNodeNameToLocationName(curNode.getName(), locName);
462 if (curNode.isSharedNode()) {
463 lattice.addSharedLoc(locName);
466 System.out.println("-TripleItem=" + item);
467 System.out.println("-curNode=" + curNode.getName() + " locName=" + locName);
469 Set<HNode> outSet = graph.getOutgoingNodeSet(curNode);
470 for (Iterator iterator2 = outSet.iterator(); iterator2.hasNext();) {
471 HNode outNode = (HNode) iterator2.next();
472 if (!outNode.isSkeleton() && !outNode.isCombinationNode() && !visited.contains(outNode)) {
473 visited.add(outNode);
474 recurDFSNormalNode(desc, lattice, startNode, endNodeSet, visited, mapIntermediateLoc,
475 idx + 1, locSummary, outNode);
476 } else if (!outNode.isSkeleton() && outNode.isCombinationNode() && !visited.contains(outNode)) {
477 expandCombinationNode(desc, lattice, visited, mapIntermediateLoc, locSummary, outNode);
483 private void recurDFS(Descriptor desc, SSJavaLattice<String> lattice,
484 HNode combinationNodeInSCGraph, Set<HNode> endNodeSet, Set<HNode> visited,
485 Map<TripleItem, String> mapIntermediateLoc, int idx, LocationSummary locSummary, HNode curNode) {
487 TripleItem item = new TripleItem(combinationNodeInSCGraph, endNodeSet, idx);
489 if (!mapIntermediateLoc.containsKey(item)) {
490 // need to create a new intermediate location in the lattice
493 String newLocName = combinationNodeInSCGraph.getName();
494 mapIntermediateLoc.put(item, newLocName);
496 String newLocName = "ILOC" + (LocationInference.locSeed++);
497 int prevIdx = idx - 1;
498 TripleItem prevItem = new TripleItem(combinationNodeInSCGraph, endNodeSet, prevIdx);
499 above = mapIntermediateLoc.get(prevItem);
501 Set<String> belowSet = new HashSet<String>();
502 for (Iterator iterator = endNodeSet.iterator(); iterator.hasNext();) {
503 HNode endNode = (HNode) iterator.next();
504 belowSet.add(endNode.getName());
506 lattice.insertNewLocationBetween(above, belowSet, newLocName);
507 mapIntermediateLoc.put(item, newLocName);
513 HierarchyGraph graph = infer.getSimpleHierarchyGraph(desc);
514 String locName = mapIntermediateLoc.get(item);
515 Set<Descriptor> descSet = graph.getDescSetOfNode(curNode);
516 for (Iterator iterator = descSet.iterator(); iterator.hasNext();) {
517 Descriptor d = (Descriptor) iterator.next();
518 locSummary.addMapHNodeNameToLocationName(d.getSymbol(), locName);
520 locSummary.addMapHNodeNameToLocationName(curNode.getName(), locName);
522 // System.out.println("-TripleItem=" + item);
523 // System.out.println("-curNode=" + curNode.getName() + " locName=" + locName);
525 Set<HNode> outSet = graph.getOutgoingNodeSet(curNode);
526 for (Iterator iterator2 = outSet.iterator(); iterator2.hasNext();) {
527 HNode outNode = (HNode) iterator2.next();
528 if (!outNode.isSkeleton() && !visited.contains(outNode)) {
529 if (combinationNodeInSCGraph.equals(getCombinationNodeInSCGraph(desc, outNode))) {
530 visited.add(outNode);
531 recurDFS(desc, lattice, combinationNodeInSCGraph, endNodeSet, visited,
532 mapIntermediateLoc, idx + 1, locSummary, outNode);
539 private String generateElementName(BasisSet basisSet, HierarchyGraph inputGraph,
540 Map<Set<Integer>, String> mapF2LocName, Set<Integer> F) {
542 if (mapF2LocName.containsKey(F)) {
543 return mapF2LocName.get(F);
546 HNode node = basisSet.getHNode(F);
548 mapF2LocName.put(F, node.getName());
549 return node.getName();
551 if (inputGraph.BASISTOPELEMENT.equals(F)) {
552 return SSJavaAnalysis.BOTTOM;
554 String str = "LOC" + (LocationInference.locSeed++);
555 mapF2LocName.put(F, str);
561 private void resetCount(Map<Set<Integer>, Integer> mapFtoCount, Family family) {
562 for (Iterator<Set<Integer>> iter = family.FIterator(); iter.hasNext();) {
563 Set<Integer> F = iter.next();
564 mapFtoCount.put(F, 0);
568 private Map<Set<Integer>, Set<Set<Integer>>> coveringGraph(BasisSet basisSet, Family family) {
570 Map<Set<Integer>, Integer> mapFtoCount = new HashMap<Set<Integer>, Integer>();
571 Map<Set<Integer>, Set<Set<Integer>>> mapImSucc = new HashMap<Set<Integer>, Set<Set<Integer>>>();
573 // initialize COUNT(F) to 0 for all elements of the family
574 resetCount(mapFtoCount, family);
576 for (Iterator<Set<Integer>> iter = family.FIterator(); iter.hasNext();) {
577 Set<Integer> F = iter.next();
578 Set<HNode> gammaF = family.getGamma(F);
580 Set<HNode> curHNodeSet = basisSet.getHNodeSet();
581 curHNodeSet.removeAll(gammaF);
582 Set<Set<Integer>> Bset = basisSet.getBasisSetByHNodeSet(curHNodeSet);
584 for (Iterator iterator = Bset.iterator(); iterator.hasNext();) {
585 Set<Integer> B = (Set<Integer>) iterator.next();
587 Set<Integer> Fprime = new HashSet<Integer>();
592 mapFtoCount.put(Fprime, mapFtoCount.get(Fprime) + 1);
594 // if |gamma(F')|==COUNT(F') + |gamma(F)|
595 int numGammaFprime = family.getGamma(Fprime).size();
596 int countFprime = mapFtoCount.get(Fprime);
597 int numGammaF = family.getGamma(F).size();
598 if (numGammaFprime == (countFprime + numGammaF)) {
599 // ImSucc(F)=IMSucc(F) union F'
600 addImSucc(mapImSucc, F, Fprime);
604 resetCount(mapFtoCount, family);
607 // System.out.println("mapImSucc=" + mapImSucc);
612 private Set<Set<Integer>> getImSucc(Map<Set<Integer>, Set<Set<Integer>>> mapImSucc, Set<Integer> F) {
613 if (!mapImSucc.containsKey(F)) {
614 mapImSucc.put(F, new HashSet<Set<Integer>>());
616 return mapImSucc.get(F);
619 private void addImSucc(Map<Set<Integer>, Set<Set<Integer>>> mapImSucc, Set<Integer> F,
620 Set<Integer> Fprime) {
622 if (!mapImSucc.containsKey(F)) {
623 mapImSucc.put(F, new HashSet<Set<Integer>>());
626 mapImSucc.get(F).add(Fprime);
630 private Family generateFamily(BasisSet basisSet) {
632 Family family = new Family();
634 for (Iterator<Set<Integer>> iterator = basisSet.basisIterator(); iterator.hasNext();) {
635 Set<Integer> B = iterator.next();
637 Set<Pair<Set<Integer>, Set<HNode>>> tobeadded = new HashSet<Pair<Set<Integer>, Set<HNode>>>();
639 for (Iterator<Set<Integer>> iterator2 = family.FIterator(); iterator2.hasNext();) {
640 Set<Integer> F = iterator2.next();
642 Set<Integer> Fprime = new HashSet<Integer>();
646 Set<HNode> gammaFPrimeSet = new HashSet<HNode>();
647 gammaFPrimeSet.addAll(family.getGamma(F));
648 gammaFPrimeSet.add(basisSet.getHNode(B));
650 if (!family.containsF(Fprime)) {
651 Pair<Set<Integer>, Set<HNode>> pair =
652 new Pair<Set<Integer>, Set<HNode>>(Fprime, gammaFPrimeSet);
655 family.updateGammaF(Fprime, gammaFPrimeSet);
659 for (Iterator<Pair<Set<Integer>, Set<HNode>>> iterator2 = tobeadded.iterator(); iterator2
661 Pair<Set<Integer>, Set<HNode>> pair = iterator2.next();
662 family.addFElement(pair.getFirst());
663 family.updateGammaF(pair.getFirst(), pair.getSecond());
670 private void debug_print(HierarchyGraph inputGraph) {
671 System.out.println("\nBuild Lattice:" + inputGraph.getName());
672 // System.out.println("Node2Index:\n" + inputGraph.getMapHNodeToUniqueIndex());
673 // System.out.println("Node2Basis:\n" + inputGraph.getMapHNodeToBasis());
682 public Identifier(HNode n, int i) {
687 public int hashCode() {
688 return node.hashCode() + idx;
691 public boolean equals(Object obj) {
693 if (obj instanceof Identifier) {
694 Identifier in = (Identifier) obj;
695 if (node.equals(in.node) && idx == in.idx) {
706 public HNode higherNode;
707 public Set<HNode> lowerNodeSet;
710 public TripleItem(HNode h, Set<HNode> l, int i) {
716 public int hashCode() {
719 if (higherNode != null) {
720 h = higherNode.hashCode();
723 return h + lowerNodeSet.hashCode() + idx;
726 public boolean equals(Object obj) {
728 if (obj instanceof TripleItem) {
729 TripleItem in = (TripleItem) obj;
730 if ((higherNode == null || (higherNode != null && higherNode.equals(in.higherNode)))
731 && lowerNodeSet.equals(in.lowerNodeSet) && idx == in.idx) {
739 public String toString() {
740 return higherNode + "-" + idx + "->" + lowerNodeSet;