Dmaap micro service jar

[appc.git] / services / appc-dmaap-service / appc-event-listener-bundle / src / main / java / org / onap / appc / listener / demo / impl / WorkerImpl.java

diff --git a/services/appc-dmaap-service/appc-event-listener-bundle/src/main/java/org/onap/appc/listener/demo/impl/WorkerImpl.java b/services/appc-dmaap-service/appc-event-listener-bundle/src/main/java/org/onap/appc/listener/demo/impl/WorkerImpl.java
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+++ b/services/appc-dmaap-service/appc-event-listener-bundle/src/main/java/org/onap/appc/listener/demo/impl/WorkerImpl.java
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+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.appc.listener.demo.impl;
+
+import org.onap.appc.exceptions.APPCException;
+import org.onap.appc.listener.EventHandler;
+import org.onap.appc.listener.demo.model.IncomingMessage;
+import org.onap.appc.listener.demo.model.Status;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+public class WorkerImpl implements Runnable {
+
+    private final EELFLogger LOG = EELFManager.getInstance().getLogger(WorkerImpl.class);
+
+    // Should have all of the data we need for processing
+    private IncomingMessage event;
+
+    // So we can post messages from inside the worker.
+    private EventHandler dmaap;
+
+    public WorkerImpl(IncomingMessage message, EventHandler dmaap) {
+        this.event = message;
+        this.dmaap = dmaap;
+    }
+
+    @Override
+    public void run() {
+        LOG.debug(String.format("Started working on %s",  event.getHeader().getRequestID()));
+    
+        dmaap.postStatus(event.toOutgoing(Status.ACCEPTED));
+        // Run the dg in a try catch to handle all exceptions and update the
+        // message at the end
+        try {
+            if (doDG(event)) {
+                dmaap.postStatus(event.toOutgoing(Status.SUCCESS));
+                LOG.debug(String.format("Event %s finished successfully",  event.getHeader().getRequestID()));
+            } else {
+                // Should never happen. Exception with message should be thrown instead.
+                LOG.error(String.format(
+                    "We somehow returned false from doDG() instead of throwing exception. Incoming event [%s]",
+                    event.toJson().toString()));
+                dmaap.postStatus(event.toOutgoing(Status.FAILURE));
+            }
+
+        } catch (Exception e) {
+            // Unknown exception from DG method. Fail and pass the exception
+            // along
+            String msg = "Exception: " + e.getMessage();
+            LOG.warn(String.format("Event %s finished with failure. %s", event.getHeader().getRequestID(), msg));
+            //TODO: should a message be included? there is nothing in the API spec for a msg?            
+            //dmaap.postStatus(event.toOutgoing(Status.FAILURE, msg));
+            dmaap.postStatus(event.toOutgoing(Status.FAILURE));
+        }
+
+        LOG.debug("Done working on " + event.getHeader().getRequestID());
+    }
+
+    private boolean doDG(IncomingMessage msg) throws APPCException {
+        return ProviderOperations.topologyDG(msg);
+    }
+}