1 files changed, 63 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime-localsearch/src/main/java/tools/refinery/viatra/runtime/localsearch/planner/cost/IConstraintEvaluationContext.java b/subprojects/viatra-runtime-localsearch/src/main/java/tools/refinery/viatra/runtime/localsearch/planner/cost/IConstraintEvaluationContext.java
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index 00000000..9b44612b
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+++ b/subprojects/viatra-runtime-localsearch/src/main/java/tools/refinery/viatra/runtime/localsearch/planner/cost/IConstraintEvaluationContext.java
@@ -0,0 +1,63 @@
+/*******************************************************************************
+ * 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();
+    
+}