How to implement SAGA Distributed Transactions Pattern using Apache Camel | Microservices Design Pattern
Let’s learn how we can also provide typeahead support for our internal SpringBoot configuration properties so we don’t have to always look at the source code.
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How to automate database migration?
How to version control your database? Database migration using Flyway.
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Step-by-Step guide
Add dependnacy in pom.xml
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-openapi-java</artifactId>
<version>3.14.0</version> <!-- Same as Camel Core -->
</dependency>Java
@Component
public class RestDsl extends RouteBuilder {
@Override
public void configure() throws Exception {
restConfiguration()
.component("servlet")
.bindingMode(RestBindingMode.json)
.dataFormatProperty("prettyPrint", "true")
.apiContextPath("/api-doc")
.apiProperty("api.title", "Saggu.UK Camel Rest APIs")
.apiProperty("api.version", "1.0")
.apiContextListing(true)
;
rest()
.consumes("application/json").produces("application/json")
.get("/weather/{city}")
.responseMessage("200", "On good request")
.responseMessage("404", "For invalid city name")
.description("Get weather data for a given city")
.param()
.name("city").type(path).description("The name of the city e.g. London").dataType("string")
.endParam()
.outType(WeatherDto.class).to("direct:get-weather-data")
}
}What is Apache Camel Processor and how to use it? The Processor interface is used to implement consumers of message exchanges or to implement a Message Translator, and other use-cases.
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If you like to know more about Enterprise Integration Patterns and Apache Camel then see this video:
Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
