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  5. RMI Transport Reference

RMI Transport Reference

The RMI transport sends and receives Mule events over JRMP. This transport has a dispatcher that invokes an RMI method and a polling receiver that repeatedly does the same.

You configure the RMI transport as follows:

<mule xmlns="http://www.mulesoft.org/schema/mule/core"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:spring="http://www.springframework.org/schema/beans"
       xmlns:rmi="http://www.mulesoft.org/schema/mule/rmi"
       xsi:schemaLocation="
               http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
               http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/3.2/mule.xsd
               http://www.mulesoft.org/schema/mule/rmi http://www.mulesoft.org/schema/mule/rmi/3.2/mule-rmi.xsd">
    <!-- specify the actual class of the JNDI factory you want to use -->
    <spring:bean name="jndiFactory" class="org.mule.transport.rmi.MuleRMIFactory"/>

    <spring:bean name="jndiContext" factory-bean="jndiFactory" factory-method="create"/>

    <rmi:connector name="rmi" jndiContext-ref="jndiContext" securityPolicy="rmi.policy"/>

    <rmi:endpoint name="hello" host="localhost" port="1099" object="HelloServer"
              method="hello" methodArgumentTypes="java.lang.String"/>

The connector looks for the method and methodArgumentTypes. It uses the payload as the argument.

JNP Connector

If you want to use the Java naming protocol to bind to remote objects, you can use the JNP connector instead simply by using the jnp namespace.

<mule xmlns="http://www.mulesoft.org/schema/mule/core"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:spring="http://www.springframework.org/schema/beans"
       xmlns:jnp="http://www.mulesoft.org/schema/mule/jnp"
       xsi:schemaLocation="
               http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
               http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/3.2/mule.xsd
               http://www.mulesoft.org/schema/mule/jnp http://www.mulesoft.org/schema/mule/jnp/3.2/mule-jnp.xsd">

    <!-- specify the actual class of the JNDI factory you want to use -->
    <spring:bean name="jndiFactory" class="org.mule.transport.rmi.MuleRMIFactory"/>
    <spring:bean name="jndiContext" factory-bean="jndiFactory" factory-method="create"/>

    <jnp:connector name="jnp" jndiContext-ref="jndiContext" securityPolicy="rmi.policy"/>

    <jnp:endpoint name="Sender2" host="localhost" port="1099" object="MatchingUMO" method="reverseString"/>
...

Configuration Reference

Connector

Attributes of <connector…​>

Name Type Required Default Description

pollingFrequency

long

no

Period (ms) between polling connections.

securityManager-ref

string

no

Bean reference to the security manager that should be used.

securityPolicy

string

no

The security policy (file name) used to enable connections.

serverClassName

string

no

The target class name.

serverCodebase

string

no

The target method.

No Child Elements of <connector…​>

Endpoint

Attributes of <endpoint…​>

Name Type Required Default Description

host

string

no

The endpoint host name.

port

port number

no

The port number to use when a connection is made.

object

string

no

The class name of the object that is being invoked over RMI.

method

string

no

The name of the method to invoke.

methodArgumentTypes

string

no

Comma separated argument types of the method to invoke. For example, "java.lang.String".

No Child Elements of <endpoint…​>

Schema