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Manual
6

Shared (L2) Entity Cache

. Cache of query programs. Cache of query execution results. The scope of these server side caches
Tutorial
6

Spring MVC JPA Tutorial - Maven Project

The Spring MVC JPA tutorial provides step by step instructions on how to build a simple Java/JPA Spring MVC database driven web application in Eclipse or NetBeans. Building a new application step by step is an effective way to learn - but if you prefer, you may download and run the result
Tutorial
6

Step 4: Add a Controller Class

) guestDao.persist(new Guest(name)); // Prepare the result view (guest.jsp): return new
Tutorial
6

Step 4: Add a Controller Class

) guestDao.persist(new Guest(name)); // Prepare the result view (guest.jsp
Manual
6

Strings in JPQL and Criteria Queries

String values may appear in JPQL queries in various forms: as string literals - e.g. 'abc', ''. as parameters - when string values are assigned as arguments. as path expressions - in navigation to persistent string fields. as results of predefined JPQL string manipulation functions. LIKE - String
Manual
6

Working with JPA Entity Objects

should always result in the same in-memory entity object. Another way of looking
JDO Doc
5

javax.jdo.annotations.Query

of the query (mandatory) Returns: the name of the query Since: JDO 2.1 Class resultClass Result class into which to put the results. Result class into which to put the results. Returns: the class of the result Default value: void.class Since: JDO 2.1 String unique Whether the query returns a single
JPA Doc
5

javax.persistence.EntityManager

resultClass - the type of the query result Returns: the new query instance Throws: IllegalArgumentException ... or if the query result is found to not be assignable to the specified type Since: JPA 2.0 Query ... . Parameters: sqlString - a native SQL query string resultClass - the class of the resulting instance
JPA Doc
5

javax.persistence.SqlResultSetMapping

of the result of a native SQL query. Example: Query q = em.createNativeQuery( "SELECT o.id AS ... Specifies the result set mapping to scalar values. Specifies the result set mapping to scalar values. Default value: {} Since: JPA 1.0 EntityResult[] entities Specifies the result set mapping
JPA Doc
4

javax.persistence.criteria.Fetch

of the join Returns: the resulting fetch join Throws: IllegalArgumentException - if attribute of the given ... of the join jt - join type Returns: the resulting fetch join Throws: IllegalArgumentException ... - target of the join Returns: the resulting join Since: JPA 2.0 Fetch fetch( SingularAttribute