1 files changed, 36 insertions, 0 deletions
diff --git a/core/core-infrastructure/src/main/java/org/onap/policy/apex/core/infrastructure/messaging/stringmessaging/WsStringMessageListener.java b/core/core-infrastructure/src/main/java/org/onap/policy/apex/core/infrastructure/messaging/stringmessaging/WsStringMessageListener.java
new file mode 100644
index 000000000..0a5e147cc
--- /dev/null
+++ b/core/core-infrastructure/src/main/java/org/onap/policy/apex/core/infrastructure/messaging/stringmessaging/WsStringMessageListener.java
@@ -0,0 +1,36 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.core.infrastructure.messaging.stringmessaging;
+
+/**
+ * This interface is used to call back the owner of a String Web socket message server or client.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public interface WsStringMessageListener {
+
+    /**
+     * Receive a string coming off a web socket.
+     *
+     * @param stringMessage the string message
+     */
+    void receiveString(String stringMessage);
+}