Merge pull request #39 from kris7t/partial-interpretation

Implement partial interpretation based model generation

1 files changed, 51 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/traceability/CompiledSubPlan.java b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/traceability/CompiledSubPlan.java
new file mode 100644
index 00000000..572e943c
--- /dev/null
+++ b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/traceability/CompiledSubPlan.java
@@ -0,0 +1,51 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2014, Bergmann Gabor, 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.rete.traceability;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import tools.refinery.viatra.runtime.matchers.planning.SubPlan;
+import tools.refinery.viatra.runtime.matchers.psystem.PVariable;
+import tools.refinery.viatra.runtime.matchers.util.Preconditions;
+import tools.refinery.viatra.runtime.rete.recipes.ReteNodeRecipe;
+
+/**
+ * A trace marker associating a Rete recipe with a query SubPlan. 
+ * 
+ * <p> The Rete node represented by the recipe is equivalent to the SubPlan.
+ * <p> Invariant: each variable has at most one index associated with it in the tuple, i.e. no duplicates.
+ */
+public class CompiledSubPlan extends PlanningTrace {
+
+    public CompiledSubPlan(SubPlan subPlan, List<PVariable> variablesTuple,
+            ReteNodeRecipe recipe,
+            Collection<? extends RecipeTraceInfo> parentRecipeTraces) {
+        super(subPlan, variablesTuple, recipe, parentRecipeTraces);
+        
+        // Make sure that each variable occurs only once
+        Set<PVariable> variablesSet = new HashSet<PVariable>(variablesTuple);
+        Preconditions.checkState(variablesSet.size() == variablesTuple.size(),
+                () -> String.format(
+                        "Illegal column duplication (%s) while the query plan %s was compiled into a Rete Recipe %s",
+                        variablesTuple.stream().map(PVariable::getName).collect(Collectors.joining(",")),
+                        subPlan.toShortString(), recipe));
+    }
+    
+    public CompiledSubPlan(SubPlan subPlan, List<PVariable> variablesTuple,
+            ReteNodeRecipe recipe,
+            RecipeTraceInfo... parentRecipeTraces) {
+        this(subPlan, variablesTuple, recipe, Arrays.asList(parentRecipeTraces));
+    }
+
+}