Sun Java System Application Server Platform Edition 8.1 2005Q2 Update 2 Developer's Guide

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### Subelements

The following table describes subelements for the `ejb` element.

Table A–39 `ejb` Subelements

Element | Required | Description
--- | --- | ---
ejb-name | only one | Matches the `ejb-name` in the corresponding `ejb-jar.xml` file.
jndi-name | zero or more | Specifies the absolute `jndi-name`.
ejb-ref | zero or more | Maps the absolute JNDI name to the `ejb-ref` element in the corresponding J2EE XML file.
resource-ref | zero or more | Maps the absolute JNDI name to the `resource-ref` in the corresponding J2EE XML file.
resource-env-ref | zero or more | Maps the absolute JNDI name to the `resource-env-ref` in the corresponding J2EE XML file.
service-ref | zero or more | Specifies runtime settings for a web service reference.
pass-by-reference | zero or one | Specifies the passing method used by an enterprise bean calling a remote interface method in another bean that is colocated within the same process.
cmp | zero or one | Specifies runtime information for a container-managed persistence (CMP) entity bean for EJB 1.1 and EJB 2.1 beans.
principal | zero or one | Specifies the principal (user) name in an enterprise bean that has the `run-as` role specified.
mdb-connection-factory | zero or one | Specifies the connection factory associated with a message-driven bean.
jms-durable-subscription-name | zero or one | Specifies the durable subscription associated with a message-driven bean.
jms-max-messages-load | zero or one | Specifies the maximum number of messages to load into a Java Message Service session at one time for a message-driven bean to serve. The default is 1.
ior-security-config | zero or one | Specifies the security information for the IOR.
is-read-only-bean | zero or one | Specifies that this entity bean is read-only.
refresh-period-in-seconds | zero or one | Specifies the rate at which a read-only-bean must be refreshed from the data source.
commit-option | zero or one | Has valid values of B or C. Default value is B.
cmt-timeout-in-seconds | zero or one | Overrides the Transaction Timeout setting of the Transaction Service for an individual bean.
use-thread-pool-id | zero or one | Specifies the thread pool from which threads are selected for remote invocations of this bean.
gen-classes | zero or one | Specifies all the generated class names for a bean.
bean-pool | zero or one `bean-pool` | Specifies the bean pool properties. Used for stateless session beans, entity beans, and message-driven bean pools.
bean-cache | zero or one `bean-pool` | Specifies the bean cache properties. Used only for stateful session beans and entity beans.
mdb-resource-adapter | zero or one | Specifies runtime configuration information for a message-driven bean.
webservice-endpoint | zero or more | Specifies information about a web service endpoint.
flush-at-end-of-method | zero or one | Specifies the methods that force a database flush after execution. Used for entity beans.
checkpointed-methods | zero or one | Not available. Do not use.
checkpoint-at-end-of-method | zero or one | Not available. Do not use.

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