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java.lang.Objectclassycle.graph.GraphProcessor
classycle.graph.LongestWalkProcessor
public class LongestWalkProcessor
Calculates for each vertex the longest walk. This processor assumes that the graph has no cycles.
Constructor Summary | |
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LongestWalkProcessor()
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Method Summary | |
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protected void |
finishProcessing(Vertex[] graph)
Finishes processing by sorting the result in accordance with the walk length. |
protected void |
initializeProcessing(Vertex[] graph)
Does nothing. |
protected void |
processAfter(Vertex vertex)
Deactivate the specified vertex. |
protected void |
processArc(Vertex tail,
Vertex head)
Processes arc from tail to head. |
protected void |
processBefore(Vertex vertex)
Resets the specified vertex. |
Methods inherited from class classycle.graph.GraphProcessor |
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deepSearchFirst, process |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public LongestWalkProcessor()
Method Detail |
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protected void initializeProcessing(Vertex[] graph)
initializeProcessing
in class GraphProcessor
protected void processBefore(Vertex vertex)
processBefore
in class GraphProcessor
vertex
- Vertex to be processed.
java.lang.IllegalArgumentException
- if vertex is not an instance
of StrongComponent
.protected void processArc(Vertex tail, Vertex head)
processArc
in class GraphProcessor
tail
- Tail vertex of the arc.head
- Head vertex of the arc.
java.lang.IllegalArgumentException
- if both vertices are not instances
of StrongComponent
or if head is visited and
active which indicates a cycle in the graph.protected void processAfter(Vertex vertex)
processAfter
in class GraphProcessor
vertex
- Vertex to be processed.
java.lang.IllegalArgumentException
- if vertex is not an instance
of StrongComponent
.protected void finishProcessing(Vertex[] graph)
finishProcessing
in class GraphProcessor
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