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/*******************************************************************************
* 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.HashMap;
import java.util.List;
import java.util.Map;
import tools.refinery.viatra.runtime.matchers.planning.SubPlan;
import tools.refinery.viatra.runtime.matchers.psystem.PVariable;
import tools.refinery.viatra.runtime.rete.recipes.ReteNodeRecipe;
/**
* A trace marker associating a Rete recipe with a query SubPlan.
*
* <p> The recipe may be an auxiliary node;
* see {@link CompiledSubPlan} if it represents the entire SubPlan instead.
*/
public class PlanningTrace extends RecipeTraceInfo implements PatternTraceInfo {
protected SubPlan subPlan;
protected List<PVariable> variablesTuple;
protected Map<PVariable, Integer> posMapping;
public PlanningTrace(SubPlan subPlan, List<PVariable> variablesTuple,
ReteNodeRecipe recipe,
Collection<? extends RecipeTraceInfo> parentRecipeTraces) {
super(recipe, parentRecipeTraces);
this.subPlan = subPlan;
this.variablesTuple = variablesTuple;
this.posMapping = new HashMap<PVariable, Integer>();
for (int i = 0; i < variablesTuple.size(); ++i)
posMapping.put(variablesTuple.get(i), i);
}
public PlanningTrace(SubPlan subPlan, List<PVariable> variablesTuple,
ReteNodeRecipe recipe,
RecipeTraceInfo... parentRecipeTraces) {
this(subPlan, variablesTuple, recipe, Arrays.asList(parentRecipeTraces));
}
public SubPlan getSubPlan() {
return subPlan;
}
@Override
public String getPatternName() {
return subPlan.getBody().getPattern().getFullyQualifiedName();
}
public List<PVariable> getVariablesTuple() {
return variablesTuple;
}
public Map<PVariable, Integer> getPosMapping() {
return posMapping;
}
/**
* Returns a new clone that reinterprets the same compiled form
* as the compiled form of a (potentially different) subPlan.
* Useful e.g. if child plan turns out to be a no-op, or when promoting a {@link PlanningTrace} to {@link CompiledSubPlan}.
*/
public CompiledSubPlan cloneFor(SubPlan newSubPlan) {
return new CompiledSubPlan(newSubPlan,
getVariablesTuple(),
getRecipe(),
getParentRecipeTracesForCloning());
}
}
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