1 files changed, 45 insertions, 0 deletions
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusConsumer.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusConsumer.java
new file mode 100644
index 00000000..8cc631c8
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusConsumer.java
@@ -0,0 +1,45 @@
+/*
+ * ============LICENSE_START=======================================================
+ * policy-endpoints
+ * ================================================================================
+ * Copyright (C) 2017-2018 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.endpoints.event.comm.bus.internal;
+
+import java.io.IOException;
+
+/**
+ * Wrapper around libraries to consume from message bus
+ *
+ */
+public interface BusConsumer {
+
+    /**
+     * fetch messages
+     *
+     * @return list of messages
+     * @throws Exception when error encountered by underlying libraries
+     */
+    public Iterable<String> fetch() throws InterruptedException, IOException;
+
+    /**
+     * close underlying library consumer
+     */
+    public void close();
+}
+
+