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/*******************************************************************************
* Copyright (c) 2010-2016, Zoltan Ujhelyi, IncQuery Labs Ltd.
* 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.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import tools.refinery.viatra.runtime.localsearch.matcher.CallWithAdornment;
import tools.refinery.viatra.runtime.localsearch.operations.ISearchOperation;
import tools.refinery.viatra.runtime.matchers.planning.SubPlan;
import tools.refinery.viatra.runtime.matchers.psystem.PBody;
import tools.refinery.viatra.runtime.matchers.psystem.PVariable;
import tools.refinery.viatra.runtime.matchers.tuple.TupleMask;
/**
* This class is responsible for storing the results of the planner and operation compiler for a selected body.
* @since 2.0
* @noinstantiate This class is not intended to be instantiated by clients.
*/
public class SearchPlanForBody {
private final PBody body;
private final Map<PVariable, Integer> variableKeys;
private final int[] parameterKeys;
private final SubPlan plan;
private final List<ISearchOperation> compiledOperations;
private final Collection<CallWithAdornment> dependencies;
private final double cost;
private final Object internalRepresentation;
/**
* @since 2.1
*/
public SearchPlanForBody(PBody body, Map<PVariable, Integer> variableKeys,
SubPlan plan, List<ISearchOperation> compiledOperations, Collection<CallWithAdornment> dependencies,
Object internalRepresentation, double cost) {
super();
this.body = body;
this.variableKeys = variableKeys;
this.plan = plan;
this.internalRepresentation = internalRepresentation;
this.cost = cost;
List<PVariable> parameters = body.getSymbolicParameterVariables();
parameterKeys = new int[parameters.size()];
for (int i=0; i<parameters.size(); i++) {
parameterKeys[i] = variableKeys.get(parameters.get(i));
}
this.compiledOperations = new ArrayList<>(compiledOperations.size()+1);
this.compiledOperations.addAll(compiledOperations);
this.dependencies = new ArrayList<>(dependencies);
}
public PBody getBody() {
return body;
}
public Map<PVariable, Integer> getVariableKeys() {
return variableKeys;
}
public int[] getParameterKeys() {
return Arrays.copyOf(parameterKeys, parameterKeys.length);
}
public List<ISearchOperation> getCompiledOperations() {
return compiledOperations;
}
public SubPlan getPlan() {
return plan;
}
public Collection<CallWithAdornment> getDependencies() {
return dependencies;
}
public TupleMask calculateParameterMask() {
return TupleMask.fromSelectedIndices(variableKeys.size(), parameterKeys);
}
@Override
public String toString() {
return compiledOperations.stream().map(Object::toString).collect(Collectors.joining("\n"));
}
/**
* @since 2.1
*/
public double getCost() {
return cost;
}
/**
* @return The internal representation of the search plan, if any, for traceability
* @since 2.1
*/
public Object getInternalRepresentation() {
return internalRepresentation;
}
}
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