## Package org.hornetq.api.core

Core Messaging API.

See:
Description

Interface Summary
HornetQBuffer: A HornetQBuffer wraps a Netty's ChannelBuffer and is used throughout HornetQ code base.
Interceptor: This is class is a simple way to intercepting calls on HornetQ client and servers.
Message: A Message is a routable instance that has a payload.

Class Summary
DiscoveryGroupConfiguration: A DiscoveryGroupConfiguration
FilterConstants: Constants representing pre-defined message attributes that can be referenced in HornetQ core filter expressions.
HornetQBuffers: Factory class to create HornetQBuffers
Pair<A,B>: A Pair is a holder for 2 objects.
SimpleString: A simple String class that can store all characters, and stores as simple byte[], this minimises expensive copying between String objects.
TransportConfiguration: A TransportConfiguration is used by a client to specify a connections to a server and its backup if one exists. Typically the constructors take the class name and parameters for needed to create the connection.

Exception Summary
HornetQException: HornetQException is the root exception for HornetQ API.
PropertyConversionException: A PropertyConversionException is thrown by Message methods when a property can not be converted to the expected type.

## Package org.hornetq.api.core Description

Core Messaging API.
This package defines base classes and interfaces used throughout HornetQ API

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