http://ebean-orm.github.io/: For open source java artifacts.
  • Rob Bygrave 
package io.ebean;

import java.util.Set;


Provides paths and properties for an object graph that can be used to control what parts of the object graph
is fetching (select and fetch clauses) and also can be used to control JSON marshalling (what parts of the object
graph are included in the JSON).

/**
 * Provides paths and properties for an object graph that can be used to control what parts of the object graph
 * is fetching (select and fetch clauses) and also can be used to control JSON marshalling (what parts of the object
 * graph are included in the JSON).
 */
public interface FetchPath {

  
Return true if the path is included in this FetchPath.

/**
   * Return true if the path is included in this FetchPath.
   */
  boolean hasPath(String path);

  
Return the properties at the given path.

/**
   * Return the properties at the given path.
   */
  Set<String> getProperties(String path);

  
Apply the fetch path to the query.

/**
   * Apply the fetch path to the query.
   */
  <T> void apply(Query<T> query);
}