Java object cache server for databases

A Java object cache server communicably coupled to a Java object database and one or more requesting systems, the cache server comprising:

• a processor;
• and
• a memory for storing Java objects,
• wherein the server is configured to:
• receive a request from a requesting system, said request identifying a Java object;
• determine whether the identified Java object is stored in the memory;
• and
• if the identified Java object is stored in memory:
• serialize the identified Java object;
• and
• send the serialized Java object to the requesting system;
• and
• if the identified Java object is not stored in memory:
• instantiate the identified Java object;
• serialize the instantiated Java object;
• and
• send the serialized Java object to the requesting system.

A method of rebuilding a Java object in a Java object cache server, comprising:

• receiving an invalidation request, said invalidation request identifying a first Java object in the cache server;
• rebuilding the first Java object;
• and
• maintaining an original copy of the first Java object in the cache server as the cache server is rebuilding the first Java object, such that the cache server is able to provide the original copy in response to a request for the first Java object as the first Java object is being rebuilt.