1 files changed, 23 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/network/mailbox/MessageIndexerFactory.java b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/network/mailbox/MessageIndexerFactory.java
new file mode 100644
index 00000000..2c5255fb
--- /dev/null
+++ b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/network/mailbox/MessageIndexerFactory.java
@@ -0,0 +1,23 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2018, Tamas Szabo, Istvan Rath and Daniel Varro
+ * 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.rete.network.mailbox;
+
+import tools.refinery.viatra.runtime.rete.network.indexer.MessageIndexer;
+
+/**
+ * A factory used to create message indexers for {@link Mailbox}es.
+ * 
+ * @author Tamas Szabo
+ * @since 2.0
+ */
+public interface MessageIndexerFactory<I extends MessageIndexer> {
+
+    public I create();
+
+}