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<h2 id="model-integration-features">Model integration features</h2> <ul><li>EMF integration at model level (as opposed to the edit level)</li> <li>Support for generated models (just switch two .genmodel properties)</li> <li>Support for dynamic models (just load .ecore file and commit to repository)</li> <li>Support for legacy models (for compiled models without access to .genmodel)</li> <li>Support for the Ecore meta model and descendants</li></ul> <h2 id="user-interface-features">User interface features</h2> <ul><li>Eclipse view for working with CDO sessions, transactions, views and resources</li> <li>Package Manager dialog per session</li> <li>Eclipse editor for working with resources and objects</li></ul> <h2 id="client-side-features">Client side features</h2> <ul><li>Multiple sessions to multiple repositories on multiple servers</li> <li>Multiple transactions per session</li> <li>Multiple read-only views per session</li> <li>Multiple audit views per session (an audit is a view that shows a consistent, historical version of a repository)</li> <li>Multiple resources per view (a view is always associated with its own EMF ResourceSet)</li> <li>Inter-resource <a href="/facts/Proxy_server/ArhwQE74">proxy</a> resolution</li> <li>Multiple root objects per resource</li> <li>Object state shared among all views of a session</li> <li>Object graph internally unconnected (unused parts of the graph can easily be reclaimed by the garbage collector)</li> <li>Only new and modified objects committed in a transaction</li> <li>Transactions can span multiple resources</li> <li>Demand loading of objects (resources are populated as they are navigated)</li> <li>Partial loading of collections (chunk size can be configured per session)</li> <li>Adaptable pre-fetching of objects (different intelligent usage analyzers are available)</li> <li><a href="/facts/Asynchrony_(computer_programming)/1cwyNFMu">Asynchronous</a> object invalidation (optional)</li> <li>Clean API to work with sessions, views, transactions and objects</li> <li>CDOResources are EObjects as well</li> <li>Objects carry meta information like id, state, version and life span</li> <li>Support for OSGi environments (headless, Eclipse RCP, ...)</li> <li>Support for standalone applications (non-OSGi)</li></ul> <h2 id="network-protocol-features">Network protocol features</h2> <ul><li>Net4j based binary application protocol</li> <li>Pluggable transport layer (shipped with NIO socket transport and JVM embedded transport)</li> <li>Pluggable fail over support</li> <li>Pluggable authentication (shipped with challenge/response negotiation)</li> <li>Multiple acceptors per server</li></ul> <h2 id="server-side-features">Server side features</h2> <ul><li>Pluggable storage adapters</li> <li>Multiple repositories per server</li> <li>Multiple models (packages) per repository</li> <li>Multiple resources (instance documents) per repository</li> <li>Expressive <a href="/facts/XML/clNgUfWk">XML</a> configuration file</li> <li>Configurable storage adapter per repository (see below)</li> <li>Configurable caching per repository</li> <li>Clean <a href="/facts/Application_programming_interface/GMlN4vUr">API</a> to work with repositories, sessions, views, transactions and revisions</li> <li>Support for OSGi environments (usually headless)</li> <li>Support for standalone applications (non-OSGi)</li></ul> <h2 id="db-store-features">DB store features</h2> <ul><li>Supports all optional features of the CDO Server</li> <li>Pluggable <a href="/facts/SQL/UjQLJcYm">SQL</a> dialect adapters</li> <li>Includes support for Derby, HSQLDB, <a href="/facts/MySQL/QEEDNBDP">MySQL</a> and <a href="/facts/Oracle_Corporation/0z14FygH">Oracle</a> (TBD)</li> <li>Pluggable mapping strategies</li> <li>Includes horizontal mapping strategy (one table per concrete class)</li> <li>Includes vertical mapping strategy (TBD, one table per class in hierarchy)</li> <li>Supports different mapping modes for collections</li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://wiki.eclipse.org/CDO">CDO Homepage</a></li></ul>