Manager


1   package org.appfuse.service;
2   
3   import java.io.Serializable  ;
4   import java.util.List  ;
5   
6   import org.appfuse.dao.Dao;
7   
8   public interface Manager {
9       
10      /**
11       * Expose the setDao method for testing purposes
12       * @param dao
13       */
14      public void setDao(Dao dao);
15      
16      /**
17       * Generic method used to get a all objects of a particular type. 
18       * @param clazz the type of objects 
19       * @return List of populated objects
20       */
21      public List   getObjects(Class   clazz);
22      
23      /**
24       * Generic method to get an object based on class and identifier. 
25       * 
26       * @param clazz model class to lookup
27       * @param id the identifier (primary key) of the class
28       * @return a populated object 
29       * @see org.springframework.orm.ObjectRetrievalFailureException
30       */
31      public Object   getObject(Class   clazz, Serializable   id);
32  
33      /**
34       * Generic method to save an object.
35       * @param o the object to save
36       */
37      public void saveObject(Object   o);
38  
39      /**
40       * Generic method to delete an object based on class and id
41       * @param clazz model class to lookup
42       * @param id the identifier of the class
43       */
44      public void removeObject(Class   clazz, Serializable   id);
45  }
46

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