| 37 | The Java client is built on Command objects. These objects each represent one or more commands. Each command must first be instantiated, which sets all relevant parameters and generates necessary structures for use in data retrieval. At this point, the Command is independent of a command "executor". Once the command is constructed, it must then be attached to an executor. This may most easily be accomplished by using the Entity Another important structure is the non-blocking ReaderThread. Each entity has a ReaderThread associated |