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<h1>Db4o Directory Structure</h1>
<p>This topic will explain the directory structure of the db4o
project.</p>
<p><br></p>
<p>The following folders are used within the db4o core project.</p><p><b>Activation</b> - Transparent Activation support classes. </p>
<p><b>Cluster </b>- contains cluster source code, which allows
queries against several databases. Work in progress.</p>
<p><b>Config</b> - contains configuration interface and other
classes and interfaces used for db4o tuning and configuration.</p>
<p><b>Constraints </b>-unique constraints code.</p>
<p><b>Defragment</b> - defragmentation code and related service
classes and interfaces.</p>
<p><b>Diagnostic </b>- diagnostics classes and interfaces.</p>
<p><b>Events </b>- external events implementation.</p>
<p><b>Ext </b>- extended db4o functionality .</p>
<p><b>Foundation </b>- db4o base classes and interfaces. </p>
<p> <b>Io </b>-
file system related code.</p>
<p> <b>Network </b>-
classes for network communications (buffer, socket).</p>
<p><b>Internal </b>- internal db4o logic.</p>
<p> <b>Btree</b>
- b-Tree implementation. Used for indexing, freespace, defragment etc.</p>
<p> <b>Callbacks
</b>- callbacks definitions.</p>
<p> <b>ClassIndex</b>
- class index implementation.</p>
<p> <b>Cluster </b>-
internal cluster code.</p><p> <b>Collections</b> - fast collections development classes.<br></p>
<p> <b>Convert </b>-
version converter.</p>
<p> <b>CS</b> -
client/server code</p>
<p> <b>Diagnostic
</b>- diagnostic processor.</p>
<p> <b>Events</b>
- internal events implementation.</p>
<p> <b>Fieldindex
</b>- field index logic</p>
<p> <b>Fileheader
</b>- classes for handling db4o file header.</p>
<p> <b>Freespace
</b>- freespace management code.</p>
<p> <b>Handlers
</b>- different type handlers (array, byte, char etc).</p>
<p> <b>Ix </b>-
old indexing logic.</p>
<p> <b>Mapping </b>-
internal mapping implementation for defragment.</p>
<p> <b>Marshall
</b>- different type marshallers.</p>
<p> <b>Query </b>-
query logic implementation.</p>
<p> <b>Replication
</b>- deprecated replication logic.</p>
<p> <b>Slots </b>-
classes dealing with slots in db4o file.</p>
<p><b>IO</b> - db4o IoAdapter implementations.</p>
<p><b>Marshal</b> - marchalling interfaces. <br></p><p><b>Messaging </b>- messaging interfaces for client/server
communications.</p>
<p><b>Query</b> - classes and interfaces for different query
types.</p>
<p><b>Reflect </b>- reflection interfaces, generic reflector
implementation.</p>
<p> <b>Core </b>-
abstract reflect classes.</p>
<p> <b>Generic </b>-
generic reflector implementation.</p>
<p> <b>Jdk </b>-
wrapper classes to JDK reflection.</p>
<p> <b>Self </b>-
reflector implementations for JDK platforms without reflection support.</p><p>
<b>Replication</b><b> </b>-
db4o replication code</p><p><b>Ta</b> - transparent activation code </p><p>
<b>Types </b>-
db4o specific types <br></p></div>
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This revision (3) was last Modified 2007-10-28T10:33:47 by Tetyana.
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