1 files changed, 26 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/backend/IMatcherCapability.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/backend/IMatcherCapability.java
new file mode 100644
index 00000000..104b68a8
--- /dev/null
+++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/backend/IMatcherCapability.java
@@ -0,0 +1,26 @@
+/*******************************************************************************
+ * 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.matchers.backend;
+
+/**
+ * Implementations of this interface can be used to decide whether a matcher created by an arbitrary backend can
+ * potentially be used as a substitute for another matcher.
+ * 
+ * @author Grill Balázs
+ * @since 1.4
+ *
+ */
+public interface IMatcherCapability {
+
+    /**
+     * Returns true if matchers of this capability can be used as a substitute for a matcher implementing the given capability
+     */
+    public boolean canBeSubstitute(IMatcherCapability capability);
+    
+}