230 Appendix Literals A literal is the source
Glossary ACID Atomic, Consistent, Isolated and Durable properties of a transaction aggregate functions Functions which can be used as part of a query and which generate a result based on the application of that function across the query results; currently unavailable in JDOQL API Application programming interface programming interface used by the application developer, as opposed to the service provider. application exception An exception defined by the application developer, as opposed to the standard JDO exceptions present in the javax.jdo package application identity A JDO identity type whereby the identity of an instance is determined by the value of its so-called primary key fields bean class (EJB) One of the classes that make up an EJB component, specifically the class that provides concrete implementations of the lifecycle and business methods of the component BMP Bean-managed persistence whereby EJB entity beans contain code to programmatically manage write/read data to/from the data store BMT Bean-managed transactions whereby EJB components contain code to programmatically demarcate transactions BNF Backus-Naur form a formal grammar for notating programming syntax bootstrapping The process of starting up, or initializing, a software service candidate class (JDOQL) Every JDOQL query has a candidate class; the collection or extent over which the query executes must contain only instances of this class; the unmodifiable collection returned by query execution will contain only instances of this class; JDO is inherently polymorphic, and instances of implicitly includes subclasses candidate collection (JDOQL) The collection of instances of the candidate class, over which a query is to execute candidate extent (JDOQL) The extent of the candidate class, over which a query is to execute CMP Container-managed persistence whereby persistence management is delegated to the J2EE application server s container (entity beans only)
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