Oshgnacknak/AuD-2021-H07-Gruphi
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Add ShortestPathAlgorithm to Gruphi

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Oshgnacknak
2021-07-11 16:35:39 +02:00
parent e7c267446f
commit 9c9dd9313c
3 changed files with 24 additions and 2 deletions
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6
src/main/java/de/oshgnacknak/gruphi/Gruphi.java
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@ -1,5 +1,6 @@
package de.oshgnacknak.gruphi;
import h07.algorithm.ShortestPathsAlgorithm;
import h07.graph.DirectedGraphFactory;
import java.util.function.BiPredicate;
@ -32,4 +33,9 @@ public interface Gruphi {
* @return A {@link DirectedGraphFactory} to create the initial {@link h07.graph.DirectedGraph}
*/
DirectedGraphFactory<Node, Double> getDirectedGraphFactory();
/**
* @return A {@link ShortestPathsAlgorithm} for the path finding
*/
ShortestPathsAlgorithm<Node, Double> getShortestPathsAlgorithm();
}

9
src/main/java/de/oshgnacknak/gruphi/GruphiBuilder.java
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@ -1,5 +1,6 @@
package de.oshgnacknak.gruphi;
import h07.algorithm.ShortestPathsAlgorithm;
import h07.graph.DirectedGraphFactory;
import java.util.function.BiPredicate;
@ -10,6 +11,7 @@ public class GruphiBuilder {
private Double gridSpacing;
private BiPredicate<Node, Node> neighbourPredicate;
private DirectedGraphFactory<Node, Double> directedGraphFactory;
private ShortestPathsAlgorithm<Node, Double> shortestPathsAlgorithm;
public GruphiBuilder setFrameDelay(Long frameDelay) {
this.frameDelay = frameDelay;
@ -36,7 +38,12 @@ public class GruphiBuilder {
return this;
}
public GruphiBuilder setShortestPathsAlgorithm(ShortestPathsAlgorithm<Node, Double> shortestPathsAlgorithm) {
this.shortestPathsAlgorithm = shortestPathsAlgorithm;
return this;
}
public GruphiImpl createGruphi() {
return new GruphiImpl(frameDelay, velocity, gridSpacing, neighbourPredicate, directedGraphFactory);
return new GruphiImpl(frameDelay, velocity, gridSpacing, neighbourPredicate, directedGraphFactory, shortestPathsAlgorithm);
}
}

11
src/main/java/de/oshgnacknak/gruphi/GruphiImpl.java
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@ -1,5 +1,6 @@
package de.oshgnacknak.gruphi;
import h07.algorithm.ShortestPathsAlgorithm;
import h07.graph.DirectedGraphFactory;
import java.util.Objects;
@ -21,16 +22,19 @@ public class GruphiImpl implements Gruphi {
private final DirectedGraphFactory<Node, Double> directedGraphFactory;
private final ShortestPathsAlgorithm<Node, Double> shortestPathsAlgorithm;
public GruphiImpl(Long frameDelay,
Double velocity,
Double gridSpacing,
BiPredicate<Node, Node> neighbourPredicate,
DirectedGraphFactory<Node, Double> directedGraphFactory) {
DirectedGraphFactory<Node, Double> directedGraphFactory, ShortestPathsAlgorithm<Node, Double> shortestPathsAlgorithm) {
this.frameDelay = frameDelay == null ? DEFAULT_FRAME_DELAY : frameDelay;
this.velocity = velocity == null ? DEFAULT_VELOCITY : velocity;
this.gridSpacing = gridSpacing == null ? DEFAULT_GRID_SPACING : gridSpacing;
this.neighbourPredicate = neighbourPredicate == null ? this::defaultAreNeighbours : neighbourPredicate;
this.directedGraphFactory = Objects.requireNonNull(directedGraphFactory, "A directedGraphFactory must be set");
this.shortestPathsAlgorithm = shortestPathsAlgorithm;
}
private boolean defaultAreNeighbours(Node a, Node b) {
@ -61,4 +65,9 @@ public class GruphiImpl implements Gruphi {
public DirectedGraphFactory<Node, Double> getDirectedGraphFactory() {
return directedGraphFactory;
}
@Override
public ShortestPathsAlgorithm<Node, Double> getShortestPathsAlgorithm() {
return shortestPathsAlgorithm;
}
}