Chapter 5. Red Hat Decision Manager Spring Boot configuration

Procedure

1. Extract the Spring Boot project ZIP file and navigate to the <BUSINESS-APPLICATION>/<BUSINESS-APPLICATION>-service/src/main/resources folder, where <BUSINESS-APPLICATION> is the name of your Spring Boot project.
2. Open the application.properties file in a text editor.

3. Configure the host, port, and path for the REST endpoints, where <ADDRESS> is the server address and <PORT> is the server port:

   server.address=<ADDRESS>
   server.port=<PORT>
   cxf.path=/rest

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   The following example adds the REST endpoint to the address localhost on port 8090.

   server.address=localhost
   server.port=8090
   cxf.path=/rest

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Procedure

1. Extract the Spring Boot project ZIP file and navigate to the <BUSINESS-APPLICATION>/<BUSINESS-APPLICATION>-service/src/main/resources folder, where <BUSINESS-APPLICATION> is the name of your Spring Boot project.
2. Open the application.properties file in a text editor.

3. Configure the KIE Server parameters as shown in the following example:

   kieserver.serverId=<BUSINESS-APPLICATION>-service
   kieserver.serverName=<BUSINESS-APPLICATION>-service
   kieserver.location=http://localhost:8090/rest/server
   kieserver.controllers=http://localhost:8080/decision-central/rest/controller

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   The following table describes the KIE Server parameters that you can configure in your business project:

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   Table 5.1. kieserver parameters

   Parameter	Values	Description
   kieserver.serverId	string	The ID used to identify the business application when connecting to the Decision Manager controller.
   kieserver.serverName	string	The name used to identify the business application when it connects to the Decision Manager controller. Can be the same string used for the kieserver.serverId parameter.
   kieserver.location	URL	Used by other components that use the REST API to identify the location of this server. Do not use the location as defined by server.address and server.port.
   kieserver.controllers	URLs	A comma-separated list of controller URLs.

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Procedure

1. Extract the Spring Boot project ZIP file and navigate to the <BUSINESS-APPLICATION>/<BUSINESS-APPLICATION>-service/src/main/resources folder, where <BUSINESS-APPLICATION> is the name of your Spring Boot project.
2. Open the application.properties file in a text editor.

3. To set a component to start at runtime, set the value of the component to true.

   The following table lists the components that you can set to start at runtime:

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   Table 5.2. kieserver capabilities parameters

   Parameter	Values	Description
   kieserver.drools.enabled	true, false	Enables or disables the Decision Manager component.
   kieserver.dmn.enabled	true, false	Enables or disables the Decision Model and Notation (DMN) component.

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Procedure

1. To provide an alternative implementation of UserGroupCallback, add the following code to the Application class or a separate class annotated with @Configuration:

   @Bean(name = "userGroupCallback")
   public UserGroupCallback userGroupCallback(IdentityProvider identityProvider) throws IOException {
       return new MyCustomUserGroupCallback(identityProvider);
   }

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2. To provide an alternative implementation of UserInfo, add the following code to the Application class or a separate class annotated with @Configuration:

   @Bean(name = "userInfo")
   public UserInfo userInfo() throws IOException {
       return new MyCustomUserInfo();
   }

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Procedure

1. Extract the <BUSINESS-APPLICATION>.zip file and navigate to the <BUSINESS-APPLICATION>/<BUSINESS-APPLICATION>-service folder, where <BUSINESS-APPLICATION> is the name of your Spring Boot project.
2. Open the service project pom.xml file in a text editor.

3. Add the following dependencies to the service project pom.xml file and save the file.

   <dependency>
     <groupId>org.apache.cxf</groupId>
     <artifactId>cxf-rt-rs-service-description-swagger</artifactId>
     <version>3.2.6</version>
   </dependency>
   <dependency>
     <groupId>io.swagger</groupId>
     <artifactId>swagger-jaxrs</artifactId>
     <version>1.5.15</version>
     <exclusions>
       <exclusion>
         <groupId>javax.ws.rs</groupId>
         <artifactId>jsr311-api</artifactId>
       </exclusion>
     </exclusions>
   </dependency>

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4. To enable the Swagger UI (optional), add the following dependency to the pom.xml file and save the file.

   <dependency>
     <groupId>org.webjars</groupId>
     <artifactId>swagger-ui</artifactId>
     <version>2.2.10</version>
   </dependency>

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5. Open the <BUSINESS-APPLICATION>/<BUSINESS-APPLICATION>-service/src/main/resources/application.properties file in a text editor.

6. Add the following line to the application.properties file to enable Swagger support:

   kieserver.swagger.enabled=true

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