How to implement Activiti REST API with Spring Boot Example
In this tutorial, we’re gonna look at an example that uses Activiti REST API with Spring Boot.
By default the Activiti Engine will connect to an in-memory H2 database, so with Spring Boot, we just need to add dependency as below to make it run:
<dependency> <groupId>com.h2database</groupId> <artifactId>h2</artifactId> </dependency> <dependency> <groupId>org.activiti</groupId> <artifactId>activiti-spring-boot-starter-basic</artifactId> <version>5.22.0</version> </dependency> <dependency> <groupId>org.activiti</groupId> <artifactId>spring-boot-starter-rest-api</artifactId> <version>5.17.0</version> </dependency>
Activiti REST API supports:
For more details, please visit: Activiti User Guide - REST API
<li><strong>Process Definition</strong>: get one or list of Process Definitions, get resource content or BPMN model of a Process Definition, activate/suspend, get/add/delete candidate starters.</li> <li><strong>Model</strong>: get/update/create/delete Models, get/set editor source for a Model.</li> <li><strong>Process Instance</strong>: get/delete/activate/suspend Process Instances, add/remove Users, get/create/update Variables.</li> <li><strong>Execution</strong>: get Executions, execute an action or get active activities, query, get/create/update Variables.</li> <li><strong>Task</strong>: get/update/delete Tasks, query for Tasks, get/create/update Variables, get/create/delete identity links, get Events, get/create/delete Attachments.</li> <li><strong>History</strong>: get/delete/query for Historic Process Instances, Task Instances, Activities Instances, Variables Intances.</li> <li><strong>User</strong> & <strong>Group</strong>: get/create/update/delete information.</li> <li><strong>Database Table</strong>, <strong>Engine</strong>, <strong>Runtime</strong>, <strong>Job</strong>...</li>
In the example, we will test some of them to see how it works.
How to implement Activiti REST API with Spring Boot Example
#activiti #springboot #restapi
The REST acronym is defined as a “REpresentational State Transfer” and is designed to take advantage of existing HTTP protocols when used for Web APIs. It is very flexible in that it is not tied to resources or methods and has the ability to handle different calls and data formats. Because REST API is not constrained to an XML format like SOAP, it can return multiple other formats depending on what is needed. If a service adheres to this style, it is considered a “RESTful” application. REST allows components to access and manage functions within another application.
REST was initially defined in a dissertation by Roy Fielding’s twenty years ago. He proposed these standards as an alternative to SOAP (The Simple Object Access Protocol is a simple standard for accessing objects and exchanging structured messages within a distributed computing environment). REST (or RESTful) defines the general rules used to regulate the interactions between web apps utilizing the HTTP protocol for CRUD (create, retrieve, update, delete) operations.
An API (or Application Programming Interface) provides a method of interaction between two systems.
A RESTful API (or application program interface) uses HTTP requests to GET, PUT, POST, and DELETE data following the REST standards. This allows two pieces of software to communicate with each other. In essence, REST API is a set of remote calls using standard methods to return data in a specific format.
The systems that interact in this manner can be very different. Each app may use a unique programming language, operating system, database, etc. So, how do we create a system that can easily communicate and understand other apps?? This is where the Rest API is used as an interaction system.
When using a RESTful API, we should determine in advance what resources we want to expose to the outside world. Typically, the RESTful API service is implemented, keeping the following ideas in mind:
The features of the REST API design style state:
For REST to fit this model, we must adhere to the following rules:
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I’ve been working with Restful APIs for some time now and one thing that I love to do is to talk about APIs.
So, today I will show you how to build an API using the API-First approach and Design First with OpenAPI Specification.
First thing first, if you don’t know what’s an API-First approach means, it would be nice you stop reading this and check the blog post that I wrote to the Farfetchs blog where I explain everything that you need to know to start an API using API-First.
Before you get your hands dirty, let’s prepare the ground and understand the use case that will be developed.
If you desire to reproduce the examples that will be shown here, you will need some of those items below.
To keep easy to understand, let’s use the Todo List App, it is a very common concept beyond the software development community.
#api #rest-api #openai #api-first-development #api-design #apis #restful-apis #restful-api
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Opencart Rest APIs List
Customer Registration GET APIs.
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Checkout Confirm GET APIs.
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Today I will give you information about REST API, REST API is an application program interface that uses HTTP requests to GET, PUT, POST and DELETE data.
In this tutorial I am going to perform CRUD operation using REST API and you can learn how to create REST API with authentication using passport in laravel 6/7 application. here we will get data from API.
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