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## BEA WebLogic Server 9.0 API Reference

## Package weblogic.workarea

Interface Summary
PrimitiveWorkContext | `PrimitiveWorkContext` is a marker interface used for marshaling and unmarshaling primitive user data in a `WorkArea`.
PropagationMode | `PropagationMode` defines the propagation properties of `WorkContext`s.
WorkContext | `WorkContext` is a marker interface used for marshaling and unmarshaling user data in a `WorkArea`.
WorkContextInput | `WorkContextInput` is a primitive stream used for unmarshaling `WorkContext` implementations.
WorkContextMap | `WorkContextMap` provides internal users and layered products mechanisms for tagging certain requests (whether remote or local) and propagating that information based on certain policy constraints.
WorkContextOutput | `WorkConectOutput` is a primitive stream used for marshaling `WorkContext` implementations.

Class Summary
AsciiWorkContext | An implementation for propagating simple 8-bit ASCII string-based `WorkContext`s.
LongWorkContext | An implementation for propagating simple long-based `WorkContext`s.
PrimitiveContextFactory | `PrimitiveContextFactory` provides internal users and layered products convenience mechanisms for creating `WorkContext`s instances containing primitive data.
SerializableWorkContext | An implementation for propagating Serializable `WorkContext`s.
StringWorkContext | An implementation for propagating simple string-based `WorkContext`s.

Exception Summary
NoWorkContextException | `NoWorkContextException` is thrown when `WorkContextMap` functions that require a `WorkContext` are invoked without an existing `WorkContext`.
PropertyReadOnlyException | `PropertyReadOnlyException` is thrown when a user tries to modify `WorkContextMap` properties that are read-only.

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| Documentation is available at http://e-docs.bea.com/wls/docs90 Copyright 2005 BEA Systems Inc.
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