Template Method in Connection Template. -- ADTmag

Template Method in Connection Template.

By Prakash Malani
March 24, 2001

Enterprise Java
Connection Strategies in EntityBeans
Prakash Malani
Listing 2. Template Method in Connection Template.


public final Object invokeMethod (String aDataSourceName) {
     Object aReturn = null;
     try {
         Connection c = obtainConnection (aDataSourceName);
         try {
              aReturn = doMethod (c);
         } finally {
              releaseConnection (c);
         }
     } catch (Exception e) {
         e.printStackTrace();
         throw new EJBException (e.getMessage());
     }
     return aReturn;
 }

About the Author

Prakash Malani is principal engineer at eBuilt Inc., Irvine, CA. Mr. Malani can be contacted at [email protected].