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package javax.jms;
/** A <CODE>ConnectionFactory</CODE> object encapsulates a set of connection
* configuration
* parameters that has been defined by an administrator. A client uses
* it to create a connection with a JMS provider.
*
* <P>A <CODE>ConnectionFactory</CODE> object is a JMS administered object and
* supports concurrent use.
*
* <P>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.
*
* <P>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.
*
* <P>An administrator can place an administered object anywhere in a
* namespace. The JMS API does not define a naming policy.
*
* <P>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 be both <CODE>javax.jndi.Referenceable</CODE> and
* <CODE>java.io.Serializable</CODE> so that they can be stored in all
* JNDI naming contexts. In addition, it is recommended that these
* implementations follow the JavaBeans<SUP><FONT SIZE="-2">TM</FONT></SUP>
* design patterns.
*
* <P>This strategy provides several benefits:
*
* <UL>
* <LI>It hides provider-specific details from JMS clients.
* <LI>It abstracts administrative information into objects in the Java
* programming language ("Java objects")
* that are easily organized and administered from a common
* management console.
* <LI>Since there will be JNDI providers for all popular naming
* services, this means that JMS providers can deliver one implementation
* of administered objects that will run everywhere.
* </UL>
*
* <P>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.
*
* <P>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 1.1 - February 1, 2002
* @author Mark Hapner
* @author Rich Burridge
* @author Kate Stout
*
* @see javax.jms.Connection
* @see javax.jms.QueueConnectionFactory
* @see javax.jms.TopicConnectionFactory
*/
public interface ConnectionFactory {
/** Creates a connection with the default user identity.
* The connection is created in stopped mode. No messages
* will be delivered until the <code>Connection.start</code> method
* is explicitly called.
*
* @return a newly created connection
*
* @exception JMSException if the JMS provider fails to create the
* connection due to some internal error.
* @exception JMSSecurityException if client authentication fails due to
* an invalid user name or password.
* @since 1.1
*/
Connection
createConnection() throws JMSException;
/** Creates a connection with the specified user identity.
* The connection is created in stopped mode. No messages
* will be delivered until the <code>Connection.start</code> method
* is explicitly called.
*
* @param userName the caller's user name
* @param password the caller's password
*
* @return a newly created connection
*
* @exception JMSException if the JMS provider fails to create the
* connection due to some internal error.
* @exception JMSSecurityException if client authentication fails due to
* an invalid user name or password.
* @since 1.1
*/
Connection
createConnection(String userName, String password)
throws JMSException;
}
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