|
1 package propagation.impl;
2
3 import propagation.Node;
4 import propagation.PropagationRule;
5 import propagation.StateItem;
6
7 import java.util.List  ;
8
9 public abstract class AbstractPropagtionRule implements PropagationRule {
10 public void changeState(Node node, long itemId, long state) {
11 StateItem target = node.findStateItem(itemId);
12 if (target == null) {
13 System.out.println("[Error] StateItem not found. : " + node + ":"
14 + itemId);
15 return;
16 }
17
18 if (StateItem.STATE_CHANGED == target.setState(state)) {
19 summaryUpperPropagate(node);
20 }
21 }
22
23 protected void upperPropagate(Node node) {
24 Node parentNode = (Node) node.getParentNode();
26 if (parentNode != null) {
27 PropagationRule parentRule = parentNode.getPropagationRule();
28 parentRule.summaryUpperPropagate(parentNode);
29 }
30
31 List upperNodes = node.getUpperNodes();
33 int size = upperNodes.size();
34 for (int index = 0; index < size; index++) {
35 Node upperNode = (Node) upperNodes.get(index);
36 PropagationRule upperRule = upperNode.getPropagationRule();
37 upperRule.summaryUpperPropagate(upperNode);
38 }
39 }
40
41 protected boolean isClear(StateItem item) {
42 long state = item.getState();
43 if ((state % 10) == 0) {
44 return true;
45 } else {
46 return false;
47 }
48 }
49
50 protected long getSeverity(StateItem item) {
51 long state = item.getState();
52 long severity = 0;
53 if (true == isSummaryItem(item)) {
54 severity = state % 1000;
55 } else {
56 severity = (state % 1000) / 10;
57 }
58
59 return severity;
60 }
61
62 protected boolean isSummaryItem(StateItem item) {
63 long state = item.getState();
64 long summaryDigit = (state / 1000) % 10;
65
66 if (summaryDigit == 2) {
67 return true;
68 } else {
69 return false;
70 }
71 }
72
73 protected long updateMaxSeverity(long maxSeverity, StateItem stateItem) {
74 if (false == isClear(stateItem)) {
75 long severity = getSeverity(stateItem);
76 if (severity > maxSeverity) {
77 maxSeverity = severity;
78 }
79 }
80
81 return maxSeverity;
82 }
83 }
84 |
Popular Tags |
Java API By Example, From Geeks To Geeks.