1 files changed, 37 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime-localsearch/src/main/java/tools/refinery/viatra/runtime/localsearch/matcher/integration/AllValidAdornments.java b/subprojects/viatra-runtime-localsearch/src/main/java/tools/refinery/viatra/runtime/localsearch/matcher/integration/AllValidAdornments.java
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index 00000000..f801163e
--- /dev/null
+++ b/subprojects/viatra-runtime-localsearch/src/main/java/tools/refinery/viatra/runtime/localsearch/matcher/integration/AllValidAdornments.java
@@ -0,0 +1,37 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2016, Grill Balázs, IncQueryLabs 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.matcher.integration;
+
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import tools.refinery.viatra.runtime.matchers.psystem.queries.PParameter;
+import tools.refinery.viatra.runtime.matchers.psystem.queries.PParameterDirection;
+import tools.refinery.viatra.runtime.matchers.psystem.queries.PQueries;
+import tools.refinery.viatra.runtime.matchers.psystem.queries.PQuery;
+import tools.refinery.viatra.runtime.matchers.util.Sets;
+
+
+/**
+ * This implementation calculates all valid adornments for the given query, respecting the parameter direction constraints.
+ * 
+ * @author Grill Balázs
+ * @since 1.5
+ */
+public class AllValidAdornments implements IAdornmentProvider {
+
+    @Override
+    public Iterable<Set<PParameter>> getAdornments(PQuery query) {
+        final Set<PParameter> ins = query.getParameters().stream().filter(PQueries.parameterDirectionPredicate(PParameterDirection.IN)).collect(Collectors.toSet()); 
+        Set<PParameter> inouts = query.getParameters().stream().filter(PQueries.parameterDirectionPredicate(PParameterDirection.INOUT)).collect(Collectors.toSet()); 
+        Set<? extends Set<PParameter>> possibleInouts = Sets.powerSet(inouts);
+        return possibleInouts.stream().map(input -> Sets.union(ins, input)).collect(Collectors.toSet());
+    }
+
+}