Merge branch 'hadoop_aggregator' of code-repo.d4science.org:D-Net/dnet-hadoop into hadoop_aggregator

This commit is contained in:
Sandro La Bruzzo 2021-02-02 12:12:51 +01:00
commit 4ed1e306b6
7 changed files with 0 additions and 326 deletions

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@ -53,11 +53,6 @@
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
</dependency>
<!-- https://mvnrepository.com/artifact/com.rabbitmq/amqp-client -->
<dependency>
<groupId>com.rabbitmq</groupId>
<artifactId>amqp-client</artifactId>
</dependency>
<dependency>
<groupId>net.sf.saxon</groupId>
<artifactId>Saxon-HE</artifactId>

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@ -1,76 +0,0 @@
package eu.dnetlib.message;
import java.io.IOException;
import java.util.Map;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
public class Message {
private String workflowId;
private String jobName;
private MessageType type;
private Map<String, String> body;
public static Message fromJson(final String json) throws IOException {
final ObjectMapper jsonMapper = new ObjectMapper();
return jsonMapper.readValue(json, Message.class);
}
public Message() {
}
public Message(String workflowId, String jobName, MessageType type, Map<String, String> body) {
this.workflowId = workflowId;
this.jobName = jobName;
this.type = type;
this.body = body;
}
public String getWorkflowId() {
return workflowId;
}
public void setWorkflowId(String workflowId) {
this.workflowId = workflowId;
}
public String getJobName() {
return jobName;
}
public void setJobName(String jobName) {
this.jobName = jobName;
}
public MessageType getType() {
return type;
}
public void setType(MessageType type) {
this.type = type;
}
public Map<String, String> getBody() {
return body;
}
public void setBody(Map<String, String> body) {
this.body = body;
}
@Override
public String toString() {
final ObjectMapper jsonMapper = new ObjectMapper();
try {
return jsonMapper.writeValueAsString(this);
} catch (JsonProcessingException e) {
return null;
}
}
}

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@ -1,47 +0,0 @@
package eu.dnetlib.message;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.LinkedBlockingQueue;
import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.DefaultConsumer;
import com.rabbitmq.client.Envelope;
public class MessageConsumer extends DefaultConsumer {
final LinkedBlockingQueue<Message> queueMessages;
/**
* Constructs a new instance and records its association to the passed-in channel.
*
* @param channel the channel to which this consumer is attached
* @param queueMessages
*/
public MessageConsumer(Channel channel, LinkedBlockingQueue<Message> queueMessages) {
super(channel);
this.queueMessages = queueMessages;
}
@Override
public void handleDelivery(
String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body)
throws IOException {
final String json = new String(body, StandardCharsets.UTF_8);
Message message = Message.fromJson(json);
try {
this.queueMessages.put(message);
System.out.println("Receiving Message " + message);
} catch (InterruptedException e) {
if (message.getType() == MessageType.REPORT)
throw new RuntimeException("Error on sending message");
else {
// TODO LOGGING EXCEPTION
}
} finally {
getChannel().basicAck(envelope.getDeliveryTag(), false);
}
}
}

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@ -1,136 +0,0 @@
package eu.dnetlib.message;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeoutException;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
public class MessageManager {
private final String messageHost;
private final String username;
private final String password;
private Connection connection;
private final Map<String, Channel> channels = new HashMap<>();
private boolean durable;
private boolean autodelete;
private final LinkedBlockingQueue<Message> queueMessages;
public MessageManager(
String messageHost,
String username,
String password,
final LinkedBlockingQueue<Message> queueMessages) {
this.queueMessages = queueMessages;
this.messageHost = messageHost;
this.username = username;
this.password = password;
}
public MessageManager(
String messageHost,
String username,
String password,
boolean durable,
boolean autodelete,
final LinkedBlockingQueue<Message> queueMessages) {
this.queueMessages = queueMessages;
this.messageHost = messageHost;
this.username = username;
this.password = password;
this.durable = durable;
this.autodelete = autodelete;
}
private Connection createConnection() throws IOException, TimeoutException {
ConnectionFactory factory = new ConnectionFactory();
factory.setHost(this.messageHost);
factory.setUsername(this.username);
factory.setPassword(this.password);
return factory.newConnection();
}
private Channel createChannel(
final Connection connection,
final String queueName,
final boolean durable,
final boolean autodelete)
throws Exception {
Map<String, Object> args = new HashMap<>();
args.put("x-message-ttl", 10000);
Channel channel = connection.createChannel();
channel.queueDeclare(queueName, durable, false, this.autodelete, args);
return channel;
}
private Channel getOrCreateChannel(final String queueName, boolean durable, boolean autodelete)
throws Exception {
if (channels.containsKey(queueName)) {
return channels.get(queueName);
}
if (this.connection == null) {
this.connection = createConnection();
}
channels.put(queueName, createChannel(this.connection, queueName, durable, autodelete));
return channels.get(queueName);
}
public void close() throws IOException {
channels
.values()
.forEach(
ch -> {
try {
ch.close();
} catch (Exception e) {
// TODO LOG
}
});
this.connection.close();
}
public boolean sendMessage(final Message message, String queueName) throws Exception {
try {
Channel channel = getOrCreateChannel(queueName, this.durable, this.autodelete);
channel.basicPublish("", queueName, null, message.toString().getBytes());
return true;
} catch (Throwable e) {
throw new RuntimeException(e);
}
}
public boolean sendMessage(
final Message message, String queueName, boolean durable_var, boolean autodelete_var)
throws Exception {
try {
Channel channel = getOrCreateChannel(queueName, durable_var, autodelete_var);
channel.basicPublish("", queueName, null, message.toString().getBytes());
return true;
} catch (Throwable e) {
throw new RuntimeException(e);
}
}
public void startConsumingMessage(
final String queueName, final boolean durable, final boolean autodelete) throws Exception {
Channel channel = createChannel(createConnection(), queueName, durable, autodelete);
channel.basicConsume(queueName, false, new MessageConsumer(channel, queueMessages));
}
}

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@ -1,6 +0,0 @@
package eu.dnetlib.message;
public enum MessageType {
ONGOING, REPORT
}

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@ -1,51 +0,0 @@
package eu.dnetlib.message;
import static org.junit.jupiter.api.Assertions.*;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.junit.jupiter.api.Test;
public class MessageTest {
@Test
public void fromJsonTest() throws IOException {
Message m = new Message();
m.setWorkflowId("wId");
m.setType(MessageType.ONGOING);
m.setJobName("Collection");
Map<String, String> body = new HashMap<>();
body.put("parsedItem", "300");
body.put("ExecutionTime", "30s");
m.setBody(body);
System.out.println("m = " + m);
Message m1 = Message.fromJson(m.toString());
assertEquals(m1.getWorkflowId(), m.getWorkflowId());
assertEquals(m1.getType(), m.getType());
assertEquals(m1.getJobName(), m.getJobName());
assertNotNull(m1.getBody());
m1.getBody().keySet().forEach(it -> assertEquals(m1.getBody().get(it), m.getBody().get(it)));
assertEquals(m1.getJobName(), m.getJobName());
}
@Test
public void toStringTest() {
final String expectedJson = "{\"workflowId\":\"wId\",\"jobName\":\"Collection\",\"type\":\"ONGOING\",\"body\":{\"ExecutionTime\":\"30s\",\"parsedItem\":\"300\"}}";
Message m = new Message();
m.setWorkflowId("wId");
m.setType(MessageType.ONGOING);
m.setJobName("Collection");
Map<String, String> body = new HashMap<>();
body.put("parsedItem", "300");
body.put("ExecutionTime", "30s");
m.setBody(body);
assertEquals(expectedJson, m.toString());
}
}

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@ -374,11 +374,6 @@
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.rabbitmq</groupId>
<artifactId>amqp-client</artifactId>
<version>5.6.0</version>
</dependency>
<dependency>
<groupId>com.jayway.jsonpath</groupId>
<artifactId>json-path</artifactId>