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package net.sourceforge.combean.samples.simplegraphs; |
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import java.util.Collection; |
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import java.util.Iterator; |
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import java.util.LinkedList; |
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import net.sourceforge.combean.util.Pair; |
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public class CompositeNumberGraph extends NumberGraph { |
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private Collection<Pair> childGraphs; |
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public CompositeNumberGraph() { |
42 | 78 | super(); |
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44 | 78 | this.childGraphs = new LinkedList<Pair>(); |
45 | 78 | } |
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protected int calcNextNode(int sourceNodeNum, int minNodeNum) { |
51 | 585 | int nextNodeCand = NumberGraph.NOSUCHNODE; |
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53 | 585 | Iterator itChild = this.childGraphs.iterator(); |
54 | 1755 | while (itChild.hasNext()) { |
55 | 1170 | Pair offsetAndGraph = (Pair) itChild.next(); |
56 | 1170 | Integer offset = (Integer) offsetAndGraph.getFirst(); |
57 | 1170 | NumberGraph g = (NumberGraph) offsetAndGraph.getSecond(); |
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59 | 1170 | int startNodeInG = sourceNodeNum - offset.intValue(); |
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61 | 1170 | if (0 <= startNodeInG && startNodeInG < g.getNumNodes()) { |
62 | 771 | int currNodeInG = minNodeNum - offset.intValue(); |
63 | 771 | int nextNodeOfG = g.calcNextNode(startNodeInG, currNodeInG); |
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65 | 771 | if (nextNodeOfG != NumberGraph.NOSUCHNODE) { |
66 | 480 | nextNodeOfG += offset.longValue(); |
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68 | 480 | if (nextNodeCand == NumberGraph.NOSUCHNODE) { |
69 | 408 | nextNodeCand = nextNodeOfG; |
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} |
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else { |
72 | 72 | nextNodeCand = Math.min(nextNodeCand, nextNodeOfG); |
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} |
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} |
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} |
76 | 1170 | } |
77 | 585 | return nextNodeCand; |
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} |
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public int getNumNodes() { |
84 | 1440 | int maxNodeOffset = 0; |
85 | 1440 | Iterator itChild = this.childGraphs.iterator(); |
86 | 4320 | while (itChild.hasNext()) { |
87 | 2880 | Pair offsetAndGraph = (Pair) itChild.next(); |
88 | 2880 | Integer offset = (Integer) offsetAndGraph.getFirst(); |
89 | 2880 | NumberGraph g = (NumberGraph) offsetAndGraph.getSecond(); |
90 | 2880 | maxNodeOffset = |
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Math.max(maxNodeOffset, |
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offset.intValue() + g.getNumNodes()); |
93 | 2880 | } |
94 | 1440 | return maxNodeOffset; |
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} |
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public void add(NumberGraph g) { |
98 | 93 | add(g, 0); |
99 | 93 | } |
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public void add(NumberGraph g, int offset) { |
102 | 156 | this.childGraphs.add(new Pair(new Integer(offset), g)); |
103 | 156 | } |
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public int getNumGraphs() { |
106 | 6 | return this.childGraphs.size(); |
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} |
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} |