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package javax.jms;

/** A Destination object encapsulates a provider-specific 
  * address.
  * The JMS API does not define a standard address syntax. Although a standard
  * address syntax was considered, it was decided that the differences in 
  * address semantics between existing message-oriented middleware (MOM) 
  * products were too wide to bridge with a single syntax. 
  *
  * 

Since Destination is an administered object, it may * contain * provider-specific configuration information in addition to its address. * *

The JMS API also supports a client's use of provider-specific address * names. * *

Destination objects support concurrent use. * *

A Destination object is a JMS administered object. * *

JMS administered objects are objects containing configuration * information that are created by an administrator and later used by * JMS clients. They make it practical to administer the JMS API in the * enterprise. * *

Although the interfaces for administered objects do not explicitly * depend on the Java Naming and Directory Interface (JNDI) API, the JMS API * establishes the convention that JMS clients find administered objects by * looking them up in a JNDI namespace. * *

An administrator can place an administered object anywhere in a * namespace. The JMS API does not define a naming policy. * *

It is expected that JMS providers will provide the tools an * administrator needs to create and configure administered objects in a * JNDI namespace. JMS provider implementations of administered objects * should implement the javax.naming.Referenceable and * java.io.Serializable interfaces so that they can be stored in * all JNDI naming contexts. In addition, it is recommended that these * implementations follow the JavaBeansTM * design patterns. * *

This strategy provides several benefits: * *

    *
  • It hides provider-specific details from JMS clients. *
  • It abstracts JMS administrative information into objects in the Java * programming language ("Java objects") * that are easily organized and administered from a common * management console. *
  • Since there will be JNDI providers for all popular naming * services, JMS providers can deliver one implementation * of administered objects that will run everywhere. *
* *

An administered object should not hold on to any remote resources. * Its lookup should not use remote resources other than those used by the * JNDI API itself. * *

Clients should think of administered objects as local Java objects. * Looking them up should not have any hidden side effects or use surprising * amounts of local resources. * * @version 1.0 - 3 August 1998 * @author Mark Hapner * @author Rich Burridge * * @see javax.jms.Queue * @see javax.jms.Topic */ public interface Destination { }





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