io.konig.core.pojo

Interface PojoFactory

All Known Implementing Classes:

SimplePojoFactory

public interface PojoFactory

A factory that creates Plain-Old Java Objects from RDF Graphs. Properties from an RDF Graph get mapped to properties on a Java Object in accordance with the conventions described below.

POJO Creation

Each POJO class must support one of the following creation methods:

1. An implementation of PojoCreator with the following characteristics:
   • Must be contained in the same package as the POJO class.
   • Must have a name of the form {PojoClassSimpleName}Creator. For example, if the POJO class name is PropertyPath then the creator class would be named PropertyPathCreator.
   • Must implement the create method that takes a Vertex as an argument.
2. Default (no-arg) constructor.
3. Constructor which takes a string as an argument. This constructor is used when the class is represented as a string literal.

Simple Properties

For each single-valued property, the POJO should declare a setter method such as:

        void setEmail(String email) {...}
 

The name of the property (in this case "email") must match the local name of the RDF Property.

Alternatively, you can use a different name for the setter method and declare the RDF Property explicitly, like this:

Author:

Greg McFall

Method Summary

Modifier and Type	Method and Description
<T> T	create(Vertex v, Class<T> type) Create a POJO of a given type from data contained in a given vertex.
void	createAll(Graph graph) Map individuals from a graph into Java objects.

Method Detail

create

<T> T create(Vertex v,
             Class<T> type)
      throws KonigException

Create a POJO of a given type from data contained in a given vertex.

Parameters:

v - The vertex containing data for the POJO

type - The Java Class of the POJO to be created.

Returns:

A POJO of the given type containing data from the given vertex.

Throws:

KonigException

createAll

void createAll(Graph graph)
        throws KonigException

Map individuals from a graph into Java objects.

Parameters:

graph - The graph containing individuals that are to be mapped into Java objects.

Throws:

ParseException

KonigException