ServiceComb Saga

Eventual consistency component for distributed systems

License	Apache License, Version 2.0
GroupId	org.apache.servicecomb.saga
ArtifactId	saga
Last Version	0.3.0
Release Date	Dec 15, 2018
Type	pom
Description	ServiceComb Saga Eventual consistency component for distributed systems
Project URL	https://github.com/apache/servicecomb-saga
Project Organization	The Apache Software Foundation
Source Code Management	https://github.com/apache/servicecomb-saga-actuator

Download saga

Filename	Size
saga-0.3.0.pom	23 KB

How to add to project

Apache Maven

<!-- https://jarcasting.com/artifacts/org.apache.servicecomb.saga/saga/ -->
<dependency>
    <groupId>org.apache.servicecomb.saga</groupId>
    <artifactId>saga</artifactId>
    <version>0.3.0</version>
    <type>pom</type>
</dependency>

Gradle Groovy

// https://jarcasting.com/artifacts/org.apache.servicecomb.saga/saga/
implementation 'org.apache.servicecomb.saga:saga:0.3.0'

Gradle Kotlin

// https://jarcasting.com/artifacts/org.apache.servicecomb.saga/saga/
implementation ("org.apache.servicecomb.saga:saga:0.3.0")

Apache Buildr

'org.apache.servicecomb.saga:saga:pom:0.3.0'

Apache Ivy

<dependency org="org.apache.servicecomb.saga" name="saga" rev="0.3.0">
  <artifact name="saga" type="pom" />
</dependency>

Groovy Grape

@Grapes(
@Grab(group='org.apache.servicecomb.saga', module='saga', version='0.3.0')
)

Scala SBT

libraryDependencies += "org.apache.servicecomb.saga" % "saga" % "0.3.0"

Leiningen

[org.apache.servicecomb.saga/saga "0.3.0"]

Dependencies

There are no dependencies for this project. It is a standalone project that does not depend on any other jars.

Project Modules

• saga-core
• saga-core-akka
• transports
• saga-spring
• docker-build-config
• saga-format
• saga-discovery
• saga-web
• integration-tests
• saga-persistence

Saga Actuator

Purpose

Saga is a type of Compensating Transaction pattern, which provides a simple way to help users solve the data consistency problems encountered in micro-service applications. Saga actuator provides a centralized execution engine to delegate the request to the outside services to provide eventual data consistency in Saga way.

Documentation

Reference documentation is available on the ServiceComb website.

Major Architecture of Saga

• saga-core(transaction and compensation handling logic)
• saga-core-akka(leverage the actor for executor)
• saga-format(data serialization and deserialization)
• saga-transports(communication protocol implementation such as rest or rpc in the future)
• saga-discovery(service discovery)
• saga-spring(restful service framework)

Prerequisites

You will need:

1. Oracle JDK 1.8+
2. Maven 3.x
3. Docker

Building

Download the source code.

git clone https://github.com/apache/servicecomb-saga-actuator

Enter the Saga root directory,biuld Saga project by maven command and generate a docker image named saga-spring in local.

mvn package -DskipTests -Pdocker

Reference API

See Saga API for details.

Example

See Saga demo for details.

Contact

• issues
• gitter
• mailing list: subscribe view

Contributing

See Pull Request Guide for details.

Reporting Issues

See reporting bugs for details about reporting any issues.

The Apache Software Foundation

Versions

Version
0.3.0 Dec 15, 2018
0.2.1 Nov 20, 2018
0.2.0 Jun 7, 2018
0.1.0 Mar 15, 2018