org.jboss.as.ejb3.util

Class ServiceLookupValue<T>

java.lang.Object

org.jboss.as.ejb3.util.ServiceLookupValue<T>

All Implemented Interfaces:

org.jboss.msc.value.Value<T>

public class ServiceLookupValue<T>
extends Object
implements org.jboss.msc.value.Value<T>

Represents a lookup of a service at runtime, used in place of optional dependencies to prevent race conditions

Author:

Stuart Douglas

Constructor Summary

Constructors

Constructor and Description
ServiceLookupValue(org.jboss.msc.service.ServiceRegistry serviceContainer, org.jboss.msc.service.ServiceName serviceName)

Method Summary

Methods

Modifier and Type	Method and Description
T	getOptionalValue()
T	getValue()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ServiceLookupValue

public ServiceLookupValue(org.jboss.msc.service.ServiceRegistry serviceContainer,
                  org.jboss.msc.service.ServiceName serviceName)

Method Detail

getValue

public T getValue()
           throws IllegalStateException

Specified by:

getValue in interface org.jboss.msc.value.Value<T>

Returns:

The value of the service

Throws:

IllegalStateException - If the service it not available or is not up

getOptionalValue

public T getOptionalValue()

Returns:

The value of the service, or null if the service is not present