Saga::Core

Eventual consistency component for distributed systems

License	License Apache License, Version 2.0
GroupId	GroupId org.apache.servicecomb.saga
ArtifactId	ArtifactId saga-core
Last Version	Last Version 0.3.0
Release Date	Release Date Dec 15, 2018
Type	Type jar
Description	Description Saga::Core Eventual consistency component for distributed systems
Project Organization	Project Organization The Apache Software Foundation

Download saga-core

Filename	Size
saga-core-0.3.0.pom
saga-core-0.3.0.jar	88 KB
saga-core-0.3.0-tests.jar	61 KB
saga-core-0.3.0-sources.jar	78 KB
saga-core-0.3.0-javadoc.jar	389 KB
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How to add to project

Apache Maven

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

Gradle Groovy

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

Gradle Kotlin

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

Apache Buildr

'org.apache.servicecomb.saga:saga-core:jar:0.3.0'

Apache Ivy

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

Groovy Grape

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

Scala SBT

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

Leiningen

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

Dependencies

compile (7)

Group / Artifact	Type	Version
com.lmax : disruptor	jar	3.3.7
org.slf4j : slf4j-api	jar	1.7.25
org.apache.logging.log4j : log4j-slf4j-impl	jar	2.7
org.apache.logging.log4j : log4j-api	jar	2.7
org.apache.logging.log4j : log4j-core	jar	2.7
io.kamon : kamon-annotation_2.12	jar	0.6.7
org.apache.commons : commons-lang3	jar	3.6

test (5)

Group / Artifact	Type	Version
junit : junit	jar	4.12
org.hamcrest : hamcrest-all	jar	1.3
org.mockito : mockito-core	jar	1.10.19
org.awaitility : awaitility	jar	3.0.0
com.github.seanyinx : unit-scaffolding	jar	1.0.0

Project Modules

There are no modules declared in this project.

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:

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