From e11bce7ad3e803e80883499fec0ad6e4540ffe43 Mon Sep 17 00:00:00 2001
From: Kristóf Marussy <marussy@mit.bme.hu>
Date: Tue, 30 Jun 2020 18:03:48 +0200
Subject: Add modified VIATRA-DSE version

---
 .../viatra/dse/objectives/TrajectoryFitness.java   | 84 ++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 Solvers/VIATRA-Solver/org.eclipse.viatra.dse/src/org/eclipse/viatra/dse/objectives/TrajectoryFitness.java

(limited to 'Solvers/VIATRA-Solver/org.eclipse.viatra.dse/src/org/eclipse/viatra/dse/objectives/TrajectoryFitness.java')

diff --git a/Solvers/VIATRA-Solver/org.eclipse.viatra.dse/src/org/eclipse/viatra/dse/objectives/TrajectoryFitness.java b/Solvers/VIATRA-Solver/org.eclipse.viatra.dse/src/org/eclipse/viatra/dse/objectives/TrajectoryFitness.java
new file mode 100644
index 00000000..f783afac
--- /dev/null
+++ b/Solvers/VIATRA-Solver/org.eclipse.viatra.dse/src/org/eclipse/viatra/dse/objectives/TrajectoryFitness.java
@@ -0,0 +1,84 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2015, Andras Szabolcs Nagy, Abel Hegedus, Akos Horvath, Zoltan Ujhelyi and Daniel Varro
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-v20.html.
+ * 
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+package org.eclipse.viatra.dse.objectives;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.eclipse.viatra.dse.designspace.api.TrajectoryInfo;
+
+/**
+ * This class represents a trajectory and its fitness.
+ * @author Andras Szabolcs Nagy
+ *
+ */
+public class TrajectoryFitness {
+
+    public Object[] trajectory;
+    public Fitness fitness;
+
+    public int rank;
+    public double crowdingDistance;
+
+    private int hash;
+    
+    public int survive;
+
+    /**
+     * Creates a {@link TrajectoryFitness} with the full trajectory.
+     * @param trajectory The trajectory.
+     * @param fitness The fitness.
+     */
+    public TrajectoryFitness(Object[] trajectory, Fitness fitness) {
+        this.fitness = fitness;
+        this.trajectory = trajectory;
+    }
+
+    /**
+     * Creates a {@link TrajectoryFitness} with the full trajectory.
+     * @param trajectoryInfo The trajectory.
+     * @param fitness The fitness.
+     */
+    public TrajectoryFitness(TrajectoryInfo trajectoryInfo, Fitness fitness) {
+        this.fitness = fitness;
+        List<Object> fullTraj = trajectoryInfo.getTrajectory();
+        trajectory = fullTraj.toArray(new Object[fullTraj.size()]);
+    }
+
+    /**
+     * Creates a {@link TrajectoryFitness} with the given activation id}
+     * @param transition The transition.
+     * @param fitness The fitness.
+     */
+    public TrajectoryFitness(Object transition, Fitness fitness) {
+        this.fitness = fitness;
+        trajectory = new Object[] {transition};
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj instanceof TrajectoryFitness) {
+            return Arrays.equals(trajectory, ((TrajectoryFitness) obj).trajectory);
+        }
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        if (hash == 0 && trajectory.length > 0) {
+            hash = Arrays.hashCode(trajectory);
+        }
+        return hash;
+    }
+
+    @Override
+    public String toString() {
+        return Arrays.toString(trajectory) + fitness.toString();
+    }
+}
-- 
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