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/*******************************************************************************
* Copyright (c) 2010-2016, Grill Balázs, 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.planner.cost;
import tools.refinery.viatra.runtime.matchers.backend.ResultProviderRequestor;
import tools.refinery.viatra.runtime.matchers.context.IQueryResultProviderAccess;
import tools.refinery.viatra.runtime.matchers.context.IQueryRuntimeContext;
import tools.refinery.viatra.runtime.matchers.psystem.PConstraint;
import java.util.Collection;
import tools.refinery.viatra.runtime.matchers.psystem.PVariable;
import tools.refinery.viatra.runtime.matchers.psystem.analysis.QueryAnalyzer;
/**
* This interface denotes the evaluation context of a constraint, intended for cost estimation. Provides access to information
* on which the cost function can base its calculation.
*
* @author Grill Balázs
* @since 1.4
* @noimplement
*/
public interface IConstraintEvaluationContext {
/**
* Get the constraint to be evaluated
*/
public PConstraint getConstraint();
/**
* Unbound variables at the time of evaluating the constraint
*/
public Collection<PVariable> getFreeVariables();
/**
* Bound variables at the time of evaluating the constraint
*/
public Collection<PVariable> getBoundVariables();
public IQueryRuntimeContext getRuntimeContext();
/**
* @since 1.5
*/
public QueryAnalyzer getQueryAnalyzer();
/**
* @deprecated use {@link #resultProviderRequestor()}
* @since 1.5
*/
@Deprecated
public IQueryResultProviderAccess resultProviderAccess();
/**
* @since 2.1
*/
public ResultProviderRequestor resultProviderRequestor();
}
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