X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=policy-agent%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fpolicyagent%2Fdmaap%2FDmaapMessageConsumer.java;h=9d43001fdeb77558736197776d1fb47e70c1c7b7;hb=575869c5ed7533f22b0c7db05fdbbbb8e00e09fc;hp=91f9ff22bfe049b582028e5cb3da1067eace8478;hpb=89e139b32a18dfffe03a25107584e9d9cfa59fda;p=nonrtric.git diff --git a/policy-agent/src/main/java/org/oransc/policyagent/dmaap/DmaapMessageConsumer.java b/policy-agent/src/main/java/org/oransc/policyagent/dmaap/DmaapMessageConsumer.java index 91f9ff22..9d43001f 100644 --- a/policy-agent/src/main/java/org/oransc/policyagent/dmaap/DmaapMessageConsumer.java +++ b/policy-agent/src/main/java/org/oransc/policyagent/dmaap/DmaapMessageConsumer.java @@ -2,7 +2,7 @@ * ========================LICENSE_START================================= * O-RAN-SC * %% - * Copyright (C) 2019 Nordix Foundation + * Copyright (C) 2020 Nordix Foundation * %% * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -21,16 +21,14 @@ package org.oransc.policyagent.dmaap; import com.google.common.collect.Iterables; +import com.google.gson.JsonArray; +import com.google.gson.JsonElement; +import com.google.gson.JsonParser; -import java.io.FileNotFoundException; -import java.io.IOException; import java.time.Duration; -import java.util.Properties; +import java.util.ArrayList; +import java.util.List; -import org.onap.dmaap.mr.client.MRBatchingPublisher; -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.clients.AsyncRestClient; import org.oransc.policyagent.configuration.ApplicationConfig; import org.oransc.policyagent.exceptions.ServiceException; @@ -38,84 +36,137 @@ import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; +import org.springframework.http.ResponseEntity; import org.springframework.stereotype.Component; +/** + * The class fetches incoming requests from DMAAP. It uses the timeout parameter + * that lets the MessageRouter keep the connection with the Kafka open until + * requests are sent in. + * + *
+ * this service will regularly check the configuration and start polling DMaaP + * if the configuration is added. If the DMaaP configuration is removed, then + * the service will stop polling and resume checking for configuration. + * + *
+ * Each received request is processed by {@link DmaapMessageHandler}.
+ */
@Component
-public class DmaapMessageConsumer implements Runnable {
+public class DmaapMessageConsumer {
+
+ protected static final Duration TIME_BETWEEN_DMAAP_RETRIES = Duration.ofSeconds(10);
private static final Logger logger = LoggerFactory.getLogger(DmaapMessageConsumer.class);
- final Duration TIME_BETWEEN_DMAAP_POLLS = Duration.ofSeconds(10);
private final ApplicationConfig applicationConfig;
- @Value("${server.port}")
- private int localServerPort;
+ private DmaapMessageHandler dmaapMessageHandler = null;
+
+ @Value("${server.http-port}")
+ private int localServerHttpPort;
@Autowired
public DmaapMessageConsumer(ApplicationConfig applicationConfig) {
this.applicationConfig = applicationConfig;
-
- Thread thread = new Thread(this);
- thread.start();
}
- private boolean isDmaapConfigured() {
- Properties consumerCfg = applicationConfig.getDmaapConsumerConfig();
- Properties producerCfg = applicationConfig.getDmaapPublisherConfig();
- return (consumerCfg != null && consumerCfg.size() > 0 && producerCfg != null && producerCfg.size() > 0);
+ /**
+ * Starts the consumer. If there is a DMaaP configuration, it will start polling
+ * for messages. Otherwise it will check regularly for the configuration.
+ *
+ * @return the running thread, for test purposes.
+ */
+ public Thread start() {
+ Thread thread = new Thread(this::messageHandlingLoop);
+ thread.start();
+ return thread;
}
- @Override
- public void run() {
- while (sleep(TIME_BETWEEN_DMAAP_POLLS) && isDmaapConfigured()) {
+ private void messageHandlingLoop() {
+ while (!isStopped()) {
try {
- Iterable