env-entry> tag

[aakash bhatt]

What does <env-entry> tag mean in deployment descriptor of ejb
Regards,
aakash

[Pradeep bhatt]

The enterprise bean�s environment allows the enterprise
bean to be customized without the need to access or change the enterprise bean�s source code.

 <env-entry>
<description>
The maximum number of tax exemptions
allowed to be set.
</description>
<env-entry-name>maxExemptions</env-entry-name>
<env-entry-type>java.lang.Integer</env-entry-type>
<env-entry-value>15</env-entry-value>
</env-entry> 

In the code

// Obtain the enterprise bean�s environment naming context.
Context initCtx = new InitialContext();
Context myEnv = (Context)initCtx.lookup("java:comp/env");
// Obtain the maximum number of tax exemptions
// configured by the Deployer.
Integer max = (Integer)myEnv.lookup(�maxExemptions�);