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Code Block
titleInput YANG file
File : acme-system.yang
module acme-system {
     namespace "http://acme.example.com/system";
    .
 prefix "acme";
     organization "ACME Inc.";
     contact "joe@acme.example.com";
     .description
    leaf host-name {
  "The module for entities implementing the typeACME stringsystem.";
    }
}

 

Code Block
titleGenerated Java files
File : AcmeSystemService.java
public interface AcmeSystemService revision 2007-06-09 {
    String getHostName();
    void setHostName(String hostName);
}

File: AcmeSystemManager.java
@Component (immediate = true)
@Service
public class AcmeSystemManager implements AcmeSystemService {

description "Initial revision.";
     }
     container system {
    private final Logger log = getLogger(getClass());

   leaf @Activate
host-name {
      public void activate() {
       type string;
    //TODO: YANG utils generated code
        description "Hostname for  log.info("Started")this system";
    }

     @Deactivate
  }
  public void deactivate() {}
    .
    .
    //TODO: YANG.
}

 

Code Block
titleGenerated Java files
File: System.java
public interface System extends AugmentationHolder  {
 utils generated code
          String  log.info("Stopped"hostName();
    interface SystemBuilder }{

    @Override
    public String getHostNamehostName() {;
        SystemBuilder    //TODO: YANG utils generated codehostName(String hostName);
            return nullSystem build();
    }
}

File    @Override
    public void setHostName(String hostName) {: SystemBuilder.java
public class SystemBuilder implements System.SystemBuilder {
    private String hostName;

    @Override
    public String hostName() {
     //TODO: YANG utils generatedreturn codehostName;
    }
}

Leaf-list

 Overview

A leaf-list is also used for defining scalar variable, like leaf, but in an array of a particular type. The type of the variable can be either built-in type or a derived type.

Java mapping

In java leaf-list is stored in List, with respect to, java built-in type or derived type.

Example
Code Block
titleInput YANG file
File : AcmeSystemService.java
public interface AcmeSystemService@Override
 {
   public List<Short>SystemBuilder getDomainSearchhostName(String hostName); {
     void setDomainSearch(List<Short> domainSearch);
}

 

Code Block
titleGenerated Java files
File : AcmeSystemManager.java
@Component (immediate = true)
@Service
public class AcmeSystemManager implements AcmeSystemService {

 this.hostName = hostName;
        privatereturn finalthis;
 Logger log = getLogger(getClass());
 }
    @Activate.
    .
 public void activate() {.
    public final class SystemImpl //TODO: YANG utils generated code
implements System {
        private  log.info("Started");
String hostName;
        }@Override

    @Deactivate
    public voidString deactivatehostName() {
         //TODO: YANG utils generatedreturn codehostName;
        log.info("Stopped");}
    }.

    @Override.
    public List<Short> getDomainSearch() {.
        //TODO: YANG utils generated code
  }
}

Leaf-list

 Overview

A leaf-list is also used for defining scalar variable, like leaf, but in an array of a particular type. The type of the variable can be either built-in type or a derived type.

Java mapping

In java leaf-list is stored in List, with respect to, java built-in type or derived type.

Example
Code Block
titleInput YANG file
File : acme-system.yang
module acme-system {
      return null;
namespace "http://acme.example.com/system";
     prefix }

"acme";
     @Override
organization "ACME Inc.";
  public void setDomainSearch(List<Short> domainSearch) {contact "joe@acme.example.com";
     description
        "The module for entities implementing the ACME system.";
     revision 2007-06-09 {
         description "Initial revision.";
     }
     container system {
             leaf-list domain-search {
                 type string;
                 description "List of domain names to search";
             }
     }
    .
    .
    .
}

 

Code Block
titleGenerated Java files
File : System.java
public interface System extends AugmentationHolder  {
    String hostName();
    interface SystemBuilder {
        String hostName();
        SystemBuilder hostName(String hostName);
        System build();
    }
}

File : SystemBuilder.java
public class SystemBuilder implements System.SystemBuilder {
    private List<String> domainSearch;
    @Override
    public List<String> domainSearch() {
        return domainSearch;
    }
    @Override
    public SystemBuilder domainSearch(List<String> domainSearch) {
        this.domainSearch = domainSearch;
        return this;
    }
    .
    .
    .
    public final class SystemImpl implements System {
        private List<String> domainSearch;
        @Override
        public List<String> domainSearch() {
            return domainSearch;
        }
    .
    .
    .
           //TODO: YANG utils generated code
    }
}

Container

Overview

Container is a holder that can hold many nodes within it. It is used for logically grouping certain set of nodes.

Java mapping

 

In java, container acts as a class which can hold information contained within. A class of the container is formed only when container has nodes in it. It is used for logically grouping certain set of nodes.

Java mapping

. In addition to that, container's parent holder will have container class’s information.

 

Container statement is mapped to java as                  

  1.  Interface
    It includes:
    a) The interface file has two interfaces defined. One interface which is for the impl class and one for the builder class. 
    b) The interface for builder class contains method for getter and setters of the attributes without get and set prefix respectively. And a method to create object of impl class. The interface for impl class contains only a getter of the attribute without get prefix
  2. Builder Class
    It includes:
    a) Builder class implements the builder interface.
    b) It has impl class inside which also implements impl interface. This also has hashCode(), equals(), toString() methods overridden in it. Further augmentation also is implemented here(refer augmentation for more details).

 In java, container acts as a class which can hold information contained within. A class of the container is formed only when container has nodes in it. In addition to that, container's parent holder will have container class’s information.

Example
Code Block
titleInput YANG file
File : acme-system.yang
module acme-system {                   
                    .
                    .
                    .
    container holder {
            container system {
              leaf host-name {
                type string;
               }
               leaf-list domain-search {
                type string;
               }
            }
    }
}

...