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Subject cvs commit: xml-axis/java/docs engineconfig.jpg architecture-guide.html
Date Thu, 24 Jan 2002 14:43:31 GMT
glyn        02/01/24 06:43:30

  Modified:    java/docs Tag: config-work architecture-guide.html
  Added:       java/docs Tag: config-work engineconfig.jpg
  Update architecture guide to reflect WSDD refactoring.
  Revision  Changes    Path
  No                   revision
  No                   revision   +30 -11    xml-axis/java/docs/architecture-guide.html
  Index: architecture-guide.html
  RCS file: /home/cvs/xml-axis/java/docs/architecture-guide.html,v
  retrieving revision 1.1
  retrieving revision
  diff -u -r1.1 -r1.1.2.1
  --- architecture-guide.html	22 Jan 2002 15:35:11 -0000	1.1
  +++ architecture-guide.html	24 Jan 2002 14:43:30 -0000
  @@ -236,15 +236,38 @@
   side handler chains. The relationships between these classes is fairly
   <br><img SRC="engineclasses.jpg" height=242 width=169>
  +<h4>Engine Configuration</h3>
  +The EngineConfiguration interface is the means of configuring the Handler
  +factories and global options of an engine instance. An instance of a
  +concrete implementation of EngineConfiguration must be passed to the engine
  +when it is created and the engine must be notified if the EngineConfiguration
  +contents are modified. The engine keeps a reference to the EngineConfiguration
  +and then uses it to obtain Handler factories and global options.
  +The EngineConfiguration interface belongs to the Message Flow subsystem
  +which means that the Message Flow subsystem does not depend on the
  +Administration subsystem.
   <a NAME="Administration Subsystem"></a>Administration Subsystem</h2>
  -The administration subsystem provides a set of factories for runtime artefacts
  -such as Chains and SOAPServices.
  +The Administration subsystem provides a way of configuring Axis engines.
  +The configuration information an engine needs is a collection of factories for
  +runtime artefacts such as Chains and SOAPServices and a set of global
  +configuration options for the engine.
  +The Message Flow subsystem's EngineConfiguration interface
  +is implemented by the Administration subsystem.
  +<br><img SRC="engineconfig.jpg">
   WSDD-Based Administration</h3>
  -WSDD is an XML grammer for statically configuring an administration subsystem.
  -Its structure is mirrored by a class hierarchy of factories for runtime
  -artefacts. The following diagram shows the classes and the types of runtime
  +WSDD is an XML grammer for statically configuring Axis engines.
  +Each Handler needs configuration in terms of the concrete class name
  +of a factory for the Handler, a set of options for the handler, and
  +a lifecycle scope value which determines the scope of sharing of
  +instances of the Handler.
  +The structure of the WSDD grammar is mirrored by a class hierarchy of factories
  +for runtime artefacts.
  +The following diagram shows the classes and the types of runtime
   artefacts they produce (a dotted arrow means "instantiates").
   <br><img SRC="wsddclasses.jpg" height=381 width=655>
  @@ -272,8 +295,8 @@
   &nbsp;The relationship between the Axis subsystems needs to be documented
   and somewhat cleaned up as there is leakage of responsibilities between
  -some of the subsystems. For example, WSDD has leaked into the basic engine
  -architecture. Also, there is some SOAP and HTTP bias in the basic MessageContext
  +some of the subsystems. For example,
  +there is some SOAP and HTTP bias in the basic MessageContext
   type and associated classes.</li>
  @@ -323,10 +346,6 @@
   how the semantics of this combined sequence compares with the sequence
   formed by omitting the transport-related Handlers.
   <br><img SRC="pivots2.jpg" height=413 width=658>
  -The administration subsystem is currently hardcoded to use WSDD. A generic
  -set of factory interfaces needs factoring out to enable non WSDD based
  -administration subsystems to be used with Axis.</li>
  No                   revision
  No                   revision   +55 -0     xml-axis/java/docs/Attic/engineconfig.jpg
  	<<Binary file>>

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