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

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

java.lang.Object

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

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

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

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

Type Parameters:

T -

All Implemented Interfaces:

IQueue<ID,byte[]>, AutoCloseable

Direct Known Subclasses:

UniversalMongodbQueue, UniversalMongodbQueue

public abstract class BaseUniversalMongodbQueue<T extends BaseUniversalQueueMessage<ID>,ID>
extends MongodbQueue<ID,byte[]>

Base class for universal MongoDB queue implementations.

Since:

0.7.1

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.MongodbQueue

COLLECTION_FIELD_EPHEMERAL_KEY, COLLECTION_FIELD_ID, COLLECTION_FIELD_QUEUE_DATA, COLLECTION_FIELD_QUEUE_TIME, COLLECTION_FIELD_TIME, DEFAULT_COLLECTION_NAME, DEFAULT_CONN_STR

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

SIZE_NOT_SUPPORTED

Constructor Summary

Constructors

Constructor	Description
BaseUniversalMongodbQueue()

Method Summary

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

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

buildMongoClient, destroy, doPutToQueue, ephemeralSize, finish, fromDocument, getCollection, getCollectionName, getConnectionString, getDatabase, getDatabaseName, getMongoClient, getOrphanMessages, init, initCollection, insertToCollection, queueSize, setCollectionName, setConnectionString, setDatabaseName, setMongoClient, setMongoClient, toDocument, upsertToCollection

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

getEphemeralDisabled, getEphemeralMaxSize, isEphemeralDisabled, setEphemeralDisabled, setEphemeralMaxSize

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

BaseUniversalMongodbQueue

public BaseUniversalMongodbQueue()

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 MongodbQueue<ID,byte[]>

Returns: