14 | WHERE clause (JPQL / Criteria API) to function as a filter. The boolean expression in the WHERE clause, which is also known as ... is always a boolean JPQL expression. JPQL expressions are also used in other JPQL query clauses ... one Expression<Boolean> argument and uses it as the WHERE clause content (overriding previously set |
14 | ObjectDB Object Database Features (for persistent fields) Primitive types (boolean, byte, short, char, int, long, float, double). Wrapper types (Boolean, Byte, Short, Character, Integer, Long, Float, Double). java.lang.String Date types: java ... - multiple @Id fields or a @EmbeddedId field. Primary Key Data Types Primitives (boolean, byte, short |
12 | Comparison in JPQL and Criteria API of the boolean and Boolean types can be compared by equality operators (=, <>, ==, !=) which follow the logic of Java's equals (for Boolean instances). Enum values can be compared by using the equality |
10 | Retrieving JPA Entity Objects: PersistenceUtil util = Persistence.getPersistenceUtil(); boolean isObjectLoaded = util.isLoaded(employee); boolean isFieldLoaded = util.isLoaded(employee, "address"); As shown |
1 | [ODB1] Chapter 6 - Persistent Objects: boolean b1 = JDOHelper.isPersistent(obj); boolean b2 = JDOHelper.isTransactional(obj); boolean b3 = JDOHelper.isNew(obj); boolean b4 = JDOHelper.isDeleted(obj); boolean b5 = JDOHelper |
1 | javax.jdo.JDOEntityManager to the database will not be persisted. Since: JPA 1.0 boolean contains(Object entity) Check ... - entity instance Returns: boolean indicating if entity is in persistence context Throws ... the cache. Since: JDO 1.0 See Also: evict(Object pc) void evictAll(boolean subclasses, Class pcClass |
1 | javax.jdo.PersistenceManager.0 See Also: evict(Object pc) void evictAll(boolean subclasses, Class pcClass) Mark the parameter ... flag (see Transaction.setRollbackOnly). Since: JDO 2.0 boolean getCopyOnAttach() Gets ... See Also: setCopyOnAttach(boolean) JDOConnection getDataStoreConnection() If this method is called |
1 | javax.jdo.spi.StateInterrogation can handle the request. For JDOHelper isXXX methods, which return boolean, the corresponding method in StateInterrogation returns Boolean. If the return value is null then the StateInterrogation does ... ) PersistenceCapable.jdoGetObjectId() PersistenceManager.getObjectById(Object oid, boolean validate |
1 | javax.jdo.PersistenceManagerFactory store connection. Since: JDO 1.0 boolean getCopyOnAttach() Gets the default copyOnAttach setting ... . Since: JDO 2.1 See Also: setCopyOnAttach(boolean) DataStoreCache getDataStoreCache() Return ... : the DataStoreCache Since: JDO 2.0 boolean getDetachAllOnCommit() Gets the detachAllOnCommit setting. Gets |
1 | [ODB1] Chapter 4 - JDO Metadata shown above) can have any of the following types: embedded value types: primitive type (boolean, byte, short, char, int, long, float or double) embedded wrapper (Boolean, Byte, Short, Character |
