Spring instantiation with a factory method

Spring Init A Bean with Factory

1. The static factory method gets the bean

<bean id= "ClientService" class= "examples. ClientService "factory-method=" CreateInstance "/>

public class ClientService {private static ClientService ClientService = new ClientService ();            Private ClientService () {} public static ClientService CreateInstance () {return clientservice; }        }

2, factory instance non-static method

<!-- the factory bean, which contains a method called  CreateInstance ()  --><bean id= "Servicelocator"  class= "examples. Defaultservicelocator "><!-- inject any dependencies required by this  locator bean --></bean><!-- the bean to be created via  the factory bean --><bean id= "ClientService"  factory-bean= "ServiceLocator " factory-method=" createclientserviceinstance "/><bean id=" ClientService2 " factory-bean=" Servicelocator " factory-method=" CreateClientServiceInstance2 "/>public class  Defaultservicelocator {    private static clientservice clientservice  = new clientserviceimpl ();        private  Defaultservicelocator ()  {}    public clientsErvice createclientserviceinstance ()  {        return  clientservice;    }    public  clientservice  CreateClientServiceInstance2 ()  {        return clientservice ;     }}

A factory's method of getting a bean can have multiple

Spring instantiation with a factory method