org.jboss.messaging.util
Interfaces 
CompatibleExecutor
ExecutorFactory
Streamable
Classes 
AbstractHashSet
ClearableSemaphore
ConcurrentHashSet
ConcurrentReaderHashSet
ExceptionUtil
Future
GUIDGenerator
JBMExecutor
JBMThreadFactory
JDBCUtil
JMXAccessor
JNDIUtil
MessageQueueNameHelper
NamedThreadQueuedExecutor
ObjectInputStreamWithClassLoader
OrderedExecutorFactory
SafeUTF
StreamUtils
Util
Version
WeakHashSet
XMLUtil
Exceptions 
NotYetImplementedException