X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=policy-agent%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fpolicyagent%2Fdmaap%2FDmaapMessageConsumerImpl.java;h=2ae5e5ee6728438556d0e677414d0a12757ca616;hb=f3461cb776023b950d62edd25eca148b6d354c9c;hp=b64a82244953ab2878bf41e1a62a2132601c9974;hpb=e8c7fa0b02b0918b3b56a1fc162968a3eef282dc;p=nonrtric.git

diff --git a/policy-agent/src/main/java/org/oransc/policyagent/dmaap/DmaapMessageConsumerImpl.java b/policy-agent/src/main/java/org/oransc/policyagent/dmaap/DmaapMessageConsumerImpl.java
index b64a8224..2ae5e5ee 100644
--- a/policy-agent/src/main/java/org/oransc/policyagent/dmaap/DmaapMessageConsumerImpl.java
+++ b/policy-agent/src/main/java/org/oransc/policyagent/dmaap/DmaapMessageConsumerImpl.java
@@ -1,54 +1,124 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 Nordix Foundation
+ * %%
+ * 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.oransc.policyagent.dmaap;
 
+import java.io.IOException;
 import java.util.Properties;
+import javax.annotation.PostConstruct;
+import org.onap.dmaap.mr.client.MRClientFactory;
+import org.onap.dmaap.mr.client.MRConsumer;
+import org.onap.dmaap.mr.client.response.MRConsumerResponse;
+import org.oransc.policyagent.configuration.ApplicationConfig;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
 
-import org.onap.dmaap.mr.client.impl.MRConsumerImpl;
-
+@Component
+@EnableScheduling
 public class DmaapMessageConsumerImpl implements DmaapMessageConsumer {
 
-	protected MRConsumerImpl consumer;
-	
-	public DmaapMessageConsumerImpl() {
-		// TODO Auto-generated constructor stub
-	}
-
-	@Override
-	public void run() {
-		// TODO Auto-generated method stub
-
-	}
-
-	@Override
-	public void init(Properties baseProperties) {
-		// Initialize the DMAAP with the properties
-		// TODO Auto-generated method stub
+    private static final Logger logger = LoggerFactory.getLogger(DmaapMessageConsumerImpl.class);
 
-	}
+    private boolean alive = false;
+    private final ApplicationConfig applicationConfig;
+    protected MRConsumer consumer;
+    private MRConsumerResponse response = null;
+    @Autowired
+    private DmaapMessageHandler dmaapMessageHandler;
 
-	@Override
-	public void processMsg(String msg) throws Exception {
-		// Call the Controller once you get the message from DMAAP
-		// Call the concurrent Task executor to handle the incoming request
-		// TODO Auto-generated method stub
+    @Autowired
+    public DmaapMessageConsumerImpl(ApplicationConfig applicationConfig) {
+        this.applicationConfig = applicationConfig;
+    }
 
-	}
+    @Scheduled(fixedRate = 1000 * 10) // , initialDelay=60000)
+    @Override
+    public void run() {
+        /*
+         * if (!alive) { init(); }
+         */
+        if (this.alive) {
+            try {
+                Iterable<String> dmaapMsgs = fetchAllMessages();
+                logger.debug("Fetched all the messages from DMAAP and will start to process the messages");
+                for (String msg : dmaapMsgs) {
+                    processMsg(msg);
+                }
+            } catch (Exception e) {
+                logger.error("{}: cannot fetch because of ", this, e.getMessage(), e);
+            }
+        }
+    }
 
-	@Override
-	public boolean isReady() {
-		// TODO Auto-generated method stub
-		return false;
-	}
+    private Iterable<String> fetchAllMessages() {
+        response = consumer.fetchWithReturnConsumerResponse();
+        if (response == null) {
+            logger.warn("{}: DMaaP NULL response received", this);
+        } else {
+            logger.debug("DMaaP consumer received {} : {}", response.getResponseCode(), response.getResponseMessage());
+            if (!"200".equals(response.getResponseCode())) {
+                logger.error("DMaaP consumer received: {} : {}", response.getResponseCode(),
+                        response.getResponseMessage());
+            }
+        }
+        return response.getActualMessages();
+    }
 
-	@Override
-	public boolean isRunning() {
-		// TODO Auto-generated method stub
-		return false;
-	}
+    @PostConstruct
+    @Override
+    public void init() {
+        Properties dmaapConsumerProperties = applicationConfig.getDmaapConsumerConfig();
+        Properties dmaapPublisherProperties = applicationConfig.getDmaapPublisherConfig();
+        // No need to start if there is no configuration.
+        if (dmaapConsumerProperties == null || dmaapPublisherProperties == null || dmaapConsumerProperties.size() == 0
+                || dmaapPublisherProperties.size() == 0) {
+            logger.error("DMaaP properties Failed to Load");
+            return;
+        }
+        try {
+            logger.debug("Creating DMAAP Client");
+            consumer = MRClientFactory.createConsumer(dmaapConsumerProperties);
+            this.alive = true;
+        } catch (IOException e) {
+            logger.error("Exception occurred while creating Dmaap Consumer", e);
+        }
+    }
 
-	@Override
-	public void stopConsumer() {
-		// TODO Auto-generated method stub
+    @Override
+    public void processMsg(String msg) throws Exception {
+        logger.debug("Message Reveived from DMAAP : {}", msg);
+        // Call the concurrent Task executor to handle the incoming request
+        dmaapMessageHandler.handleDmaapMsg(msg);
+    }
 
-	}
+    @Override
+    public boolean isAlive() {
+        return alive;
+    }
 
+    @Override
+    public void stopConsumer() {
+        alive = false;
+    }
 }