org.codehaus.activemq.util (ActiveMQ 1.1 API)
Keywords: org.codehaus.activemq.util package

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## Package org.codehaus.activemq.util

Utility classes like a SEDA style Command pattern helper and a BitArray for working with flags etc.

See:
Description

Interface Summary
Callback | A simple callback object used by the `TransactionTemplate` and `ExceptionTemplate` objects to provide automatic transactional or exception handling blocks.

Class Summary
AsyncProxy | A proxy to some service which offers an asynchronous way to invoke methods which are void and don't throw exceptions.
BeanUtils | Some bean utility methods
BitArray | Simple BitArray to enable setting multiple boolean values efficently Used instead of BitSet because BitSet does not allow for efficent serialization.
BitArrayBin | Holder for many bitArrays - used for message audit
DefaultComparator | A trivial default `Comparator` which only works on objects which are `Comparable`
ExceptionTemplate | A helper class for ensuring that a number of tasks occur, whether they throw exceptions or not and saving the first exception so that we can throw it properly.
ExecutorHelper | A helper class for working with `Executor` objects
FactoryFinder | A helper class to discover protocols dynamically to ensure that the system is extensible and has minimum runtime dependencies
IdGenerator | Generator for globally unique Strings
IndentPrinter | A helper class for printing indented text
JMSExceptionHelper | A helper class for creating new JMS exceptions
JmsLogAppender | A JMS 1.1 log4j appender which uses ActiveMQ by default and does not require any JNDI configurations
JmsLogAppenderSupport | An abstract base class for implementation inheritence for a log4j JMS appender
JndiJmsLogAppender | A JMS 1.1 log4j appender which uses JNDI to locate a JMS ConnectionFactory to use for logging events.
LongSequenceGenerator | Generates sequence ids used to identify messages in the SQL tables.
LRUCache | Represnts an LRUCache of a fixed maximum size which by default will remove items based on access order but can be used to use insertion order
MapHelper | A bunch of utility methods for working with maps
MessageListenerSupport | A helper base class which makes writing message listeners easier without having to worry about handling the JMSException on the onMessage() method.
SerializationHelper |
TransactionTemplate | A helper class for running code with a PersistenceAdapter in a transaction.
URIHelper | Some URI based helper methods.

## Package org.codehaus.activemq.util Description

Utility classes like a SEDA style Command pattern helper and a BitArray for working with flags etc.

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