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1 package propagation.impl;
2
3 import propagation.Node;
4 import propagation.StateItem;
5
6 import java.util.List  ;
7
8 public class ORSummaryRule extends AbstractPropagtionRule {
9 private static final String RULE_NAME = "OR-Rule";
10
11 public void summaryUpperPropagate(Node node) {
12 long maxSeverity = 0;
13
14 List stateItems = node.getStateItems();
15 int size = stateItems.size();
16 for (int idx = 0; idx < size; idx++) {
17 StateItem stateItem = (StateItem) stateItems.get(idx);
18
19 maxSeverity = updateMaxSeverity(maxSeverity, stateItem);
20 }
21
22 List childNodes = node.getChildren();
23 size = childNodes.size();
24 for (int idx = 0; idx < size; idx++) {
25 Node child = (Node) childNodes.get(idx);
26 StateItem childSummary = child.getSummaryStateItem();
27
28 maxSeverity = updateMaxSeverity(maxSeverity, childSummary);
29 }
30
31 long summaryState = STATE_CLEAR + maxSeverity;
32 StateItem summaryItem = node.getSummaryStateItem();
33 boolean isSummaryChanged = summaryItem.setState(summaryState);
34
35 if (StateItem.STATE_CHANGED == isSummaryChanged) {
36 upperPropagate(node);
37 }
38 }
39
40 public String toString() {
41 return RULE_NAME;
42 }
43 }
44 |
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