Posts Tagged ‘ spring ’
At least for some common patterns like DAOs.
As a popular manner, most of the java applications have at least three layers like UI, Service and DAO. For each layer you probably have interface and a single or more implementation classes. And while UI layer has some really complex businesses for effective UI experience, DAO layer is only related with CRUD operations for a single or a group of beans.
Here is the routine that you can get rid of
One of the most critic point for java
return Class.forName(className).newInstance();
Upon since it seems this method bring the ultimate extensibility power to java.
But Now server & client applications became more and more complicated this feature became insufficient.
If your are new with jgroups ,take a look JGroups Basic and other jGroups posts
Some Sample Code you may use for adding networking utilities to your Application
Two FactoryBeans for JGroups
currently hibernate version is 3.2.5 and there is still something basic missing: cache injection.
in my previous blog I suggest to use jms or caching for a distributable SessionRegistry
but I found a more simple solution JGroups -
DistributedHashtable :JGroups gives us such a perfect simple class to distributed maps.
Messaging is really easy through a single JVM. For a distributed environments JMS is strongly recommended. but for smaller and simple projects here is and example implementation via JGroups.
Usage
DistributableEventPublisher distributableEventPublisher=….
distributableEventPublisher.castEvent(TEXT_MESSAGE/XML/Serializable);
requirements:
The PartyCasino (http://www.partycasino.com/ ) Anywhere java applet probably uses JMS too.
Read more
JGroups is a framework that provide seamless networking utilities for java/j2ee applications. As a light-weight alternative to JMS here is an example.
