1 files changed, 59 insertions, 0 deletions

diff --git a/Solvers/VIATRA-Solver/org.eclipse.viatra.dse/src/org/eclipse/viatra/dse/objectives/impl/NoRuleActivationsHardObjective.java b/Solvers/VIATRA-Solver/org.eclipse.viatra.dse/src/org/eclipse/viatra/dse/objectives/impl/NoRuleActivationsHardObjective.java
new file mode 100644
index 00000000..756d94ec
--- /dev/null
+++ b/Solvers/VIATRA-Solver/org.eclipse.viatra.dse/src/org/eclipse/viatra/dse/objectives/impl/NoRuleActivationsHardObjective.java
@@ -0,0 +1,59 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2015, Andras Szabolcs Nagy 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.impl;
+
+import org.eclipse.viatra.dse.base.ThreadContext;
+import org.eclipse.viatra.dse.objectives.IObjective;
+
+/**
+ * This hard objective is satisfied if there are no rule activations from the current state (returning 1 in this case).
+ * 
+ * @author Andras Szabolcs Nagy
+ *
+ */
+public class NoRuleActivationsHardObjective extends BaseObjective {
+
+    protected static final String DEFAULT_NAME = "NoMoreActivationHardObjective";
+    private ThreadContext context;
+
+    public NoRuleActivationsHardObjective(String name) {
+        super(name);
+    }
+
+    public NoRuleActivationsHardObjective() {
+        this(DEFAULT_NAME);
+    }
+
+    @Override
+    public Double getFitness(ThreadContext context) {
+        return 0d;
+    }
+
+    @Override
+    public void init(ThreadContext context) {
+        super.init(context);
+        this.context = context;
+    }
+
+    @Override
+    public IObjective createNew() {
+        return new NoRuleActivationsHardObjective(name);
+    }
+
+    @Override
+    public boolean isHardObjective() {
+        return true;
+    }
+
+    @Override
+    public boolean satisifiesHardObjective(Double fitness) {
+        return context.getConflictSet().getNextActivations().isEmpty();
+    }
+
+}