Package com.github.ddth.queue.impl.universal

Class BaseUniversalKafkaQueue<T extends BaseUniversalQueueMessage<ID>,ID>

java.lang.Object

com.github.ddth.queue.impl.AbstractQueue<ID,DATA>

com.github.ddth.queue.impl.KafkaQueue<ID,byte[]>

com.github.ddth.queue.impl.universal.BaseUniversalKafkaQueue<T,ID>

Type Parameters:

T -

All Implemented Interfaces:

IQueue<ID,byte[]>, AutoCloseable

Direct Known Subclasses:

UniversalKafkaQueue, UniversalKafkaQueue

public abstract class BaseUniversalKafkaQueue<T extends BaseUniversalQueueMessage<ID>,ID>
extends KafkaQueue<ID,byte[]>

Base class for universal Kafka queue implementations.

Since:

0.3.3

Author:

Thanh Nguyen

Nested Class Summary

Nested classes/interfaces inherited from class com.github.ddth.queue.impl.AbstractQueue

AbstractQueue.PutToQueueCase

Field Summary

Fields inherited from class com.github.ddth.queue.impl.KafkaQueue

DEFAULT_BOOTSTRAP_SERVERS, DEFAULT_CONSUMER_GROUP_ID, DEFAULT_PRODUCER_TYPE, DEFAULT_SEND_ASYNC, DEFAULT_TOPIC_NAME

Fields inherited from interface com.github.ddth.queue.IQueue

SIZE_NOT_SUPPORTED

Constructor Summary

Constructors

Constructor	Description
BaseUniversalKafkaQueue()

Method Summary

Modifier and Type	Method	Description
T	take()	Take a message out of queue.

Methods inherited from class com.github.ddth.queue.impl.KafkaQueue

buildKafkaClient, destroy, doPutToQueue, ephemeralSize, finish, getConsumerGroupId, getKafkaBootstrapServers, getKafkaClient, getKafkaConsumerProperties, getKafkaProducerProperties, getOrphanMessages, getProducerType, getTopicName, init, isSendAsync, queueSize, setConsumerGroupId, setKafkaBootstrapServers, setKafkaClient, setKafkaClient, setKafkaConsumerProperties, setKafkaProducerProperties, setProducerType, setSendAsync, setTopicName, takeFromQueue

Methods inherited from class com.github.ddth.queue.impl.AbstractQueue

close, createMessage, createMessage, createMessage, deserialize, deserialize, getMessageFactory, getQueueName, getSerDeser, queue, requeue, requeueSilent, serialize, setMessageFactory, setQueueName, setSerDeser

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BaseUniversalKafkaQueue

public BaseUniversalKafkaQueue()

Method Detail

take

public T take()

Take a message out of queue.

Implementation flow:

• Read message from head of queue storage.
• Write message to ephemeral storage.
• Remove message from queue storage.

Note: ephemeral storage implementation is optional, depends on implementation.

Specified by:

take in interface IQueue<T extends BaseUniversalQueueMessage<ID>,ID>

Overrides:

take in class KafkaQueue<ID,byte[]>

Returns: