1 files changed, 99 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime-localsearch/src/main/java/tools/refinery/viatra/runtime/localsearch/plan/SearchPlan.java b/subprojects/viatra-runtime-localsearch/src/main/java/tools/refinery/viatra/runtime/localsearch/plan/SearchPlan.java
new file mode 100644
index 00000000..3159f707
--- /dev/null
+++ b/subprojects/viatra-runtime-localsearch/src/main/java/tools/refinery/viatra/runtime/localsearch/plan/SearchPlan.java
@@ -0,0 +1,99 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2014, Zoltan Ujhelyi, Istvan Rath 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 tools.refinery.viatra.runtime.localsearch.plan;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.stream.Collectors;
+
+import tools.refinery.viatra.runtime.localsearch.operations.ISearchOperation;
+import tools.refinery.viatra.runtime.matchers.psystem.PBody;
+import tools.refinery.viatra.runtime.matchers.psystem.PVariable;
+import tools.refinery.viatra.runtime.matchers.tuple.TupleMask;
+
+/**
+ * A SearchPlan stores a collection of SearchPlanOperations for a fixed order of variables.
+ * 
+ * @author Zoltan Ujhelyi
+ * 
+ */
+public class SearchPlan {
+
+    private final List<ISearchOperation> operations;
+    private final Map<Integer, PVariable> variableMapping;
+    private final TupleMask parameterMask;
+    private final PBody body;
+    
+    /**
+     * @since 2.0
+     */
+    public SearchPlan(PBody body, List<ISearchOperation> operations, TupleMask parameterMask, Map<PVariable, Integer> variableMapping) {
+        this.body = body;
+        this.operations = Collections.unmodifiableList(new ArrayList<>(operations));
+        this.parameterMask = parameterMask;
+        this.variableMapping = Collections.unmodifiableMap(variableMapping.entrySet().stream()
+                .collect(Collectors.toMap(Entry::getValue, Entry::getKey)));
+    }
+
+
+    /**
+     * Returns an immutable list of operations stored in the plan.
+     * @return the operations
+     */
+    public List<ISearchOperation> getOperations() {
+        return operations;
+    }
+
+    /**
+     * Returns an immutable map of variable mappings for the plan
+     * @since 2.0
+     */
+    public Map<Integer, PVariable> getVariableMapping() {
+        return variableMapping;
+    }
+
+    /**
+     * Returns the index of a given operation in the plan
+     * @since 2.0
+     */
+    public int getOperationIndex(ISearchOperation operation) {
+        return operations.indexOf(operation);
+    }
+
+    /**
+     * @since 2.0
+     */
+    public TupleMask getParameterMask() {
+        return parameterMask;
+    }
+    
+    /**
+     * @since 2.0
+     */
+    public PBody getSourceBody() {
+        return body;
+    }
+    
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+            
+        sb.append("{\n");
+        for(ISearchOperation operation : this.getOperations()){
+            sb.append("\t");
+            sb.append(operation);
+            sb.append("\n");
+        }
+        sb.append("}");
+        return sb.toString();
+    }
+}