Module org.jgrapht.core
Package org.jgrapht.alg.shortestpath
Class BaseMultiObjectiveShortestPathAlgorithm<V,E>
- java.lang.Object
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- org.jgrapht.alg.shortestpath.BaseMultiObjectiveShortestPathAlgorithm<V,E>
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- Type Parameters:
V
- the graph vertex typeE
- the graph edge type
- All Implemented Interfaces:
MultiObjectiveShortestPathAlgorithm<V,E>
- Direct Known Subclasses:
MartinShortestPath
abstract class BaseMultiObjectiveShortestPathAlgorithm<V,E> extends java.lang.Object implements MultiObjectiveShortestPathAlgorithm<V,E>
A base implementation of the multi-objective shortest path interface.
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.jgrapht.alg.interfaces.MultiObjectiveShortestPathAlgorithm
MultiObjectiveShortestPathAlgorithm.MultiObjectiveSingleSourcePaths<V,E>
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Field Summary
Fields Modifier and Type Field Description protected Graph<V,E>
graph
The underlying graph.(package private) static java.lang.String
GRAPH_MUST_CONTAIN_THE_SINK_VERTEX
Error message for reporting that a sink vertex is missing.(package private) static java.lang.String
GRAPH_MUST_CONTAIN_THE_SOURCE_VERTEX
Error message for reporting that a source vertex is missing.
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Constructor Summary
Constructors Constructor Description BaseMultiObjectiveShortestPathAlgorithm(Graph<V,E> graph)
Constructs a new instance of the algorithm for a given graph
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected GraphPath<V,E>
createEmptyPath(V source, V sink)
Create an empty path.MultiObjectiveShortestPathAlgorithm.MultiObjectiveSingleSourcePaths<V,E>
getPaths(V source)
Compute all shortest paths starting from a single source vertex.-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.jgrapht.alg.interfaces.MultiObjectiveShortestPathAlgorithm
getPaths
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Field Detail
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GRAPH_MUST_CONTAIN_THE_SOURCE_VERTEX
static final java.lang.String GRAPH_MUST_CONTAIN_THE_SOURCE_VERTEX
Error message for reporting that a source vertex is missing.- See Also:
- Constant Field Values
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GRAPH_MUST_CONTAIN_THE_SINK_VERTEX
static final java.lang.String GRAPH_MUST_CONTAIN_THE_SINK_VERTEX
Error message for reporting that a sink vertex is missing.- See Also:
- Constant Field Values
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Method Detail
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getPaths
public MultiObjectiveShortestPathAlgorithm.MultiObjectiveSingleSourcePaths<V,E> getPaths(V source)
Description copied from interface:MultiObjectiveShortestPathAlgorithm
Compute all shortest paths starting from a single source vertex.- Specified by:
getPaths
in interfaceMultiObjectiveShortestPathAlgorithm<V,E>
- Parameters:
source
- the source vertex- Returns:
- the shortest paths
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createEmptyPath
protected final GraphPath<V,E> createEmptyPath(V source, V sink)
Create an empty path. Returns null if the source vertex is different than the target vertex.- Parameters:
source
- the source vertexsink
- the sink vertex- Returns:
- an empty path or null null if the source vertex is different than the target vertex
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