10 | JPA Metamodel API has a single ID attribute: boolean hasSingleId = entityType.hasSingleIdAttribute(); // Gets a single ... attribute: boolean hasVersion = entityType.hasVersionAttribute(); // Gets the version attribute |
10 | Paths and Types in JPQL and Criteria API. But more often they are used in JPQL path expressions that navigate to values of simple types (number, boolean ... (number, boolean, string, date). For a path expression to be valid the user defined persistable class |
10 | javax.persistence.criteria.Subquery Subquery<T> distinct(boolean distinct) Specify whether duplicate query results will be eliminated ... AbstractQuery method. Parameters: distinct - boolean value specifying whether duplicate results ... . Since: JPA 2.0 AbstractQuery<T> distinct(boolean distinct) Specify whether duplicate query results |
9 | javax.persistence.criteria.CriteriaQuery> distinct(boolean distinct) Specify whether duplicate query results will be eliminated. Specify ... results must be retained. Parameters: distinct - boolean value specifying whether duplicate results ... query Since: JPA 2.0 CriteriaQuery<T> distinct(boolean distinct) Specify whether duplicate query results |
8 | javax.persistence.criteria.CriteriaBuilder more restriction predicates Returns: and predicate Since: JPA 2.0 Predicate and( Expression<Boolean> x, Expression<Boolean> y) Create a conjunction of the given boolean expressions. Create a conjunction of the given boolean expressions. Parameters: x - boolean expression y - boolean expression Returns |
7 | javax.persistence.criteria.CriteriaBuilder.Injavax.persistence.criteria Interface CriteriaBuilder.In<T> Superinterfaces: Expression<Boolean>, Predicate, Selection<Boolean>, TupleElement<Boolean> Interface used to build in predicates. Since: JPA ... . Returns: expression Since: JPA 2.0 List< Expression<Boolean>> getExpressions() Return the top-level |
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 |
0 | javax.jdo.datastore.DataStoreCache.EmptyDataStoreCache evictAll(Class pcClass, boolean subclasses) Evict the parameter instances from the second-level ... evictAll(boolean subclasses, Class pcClass) Evict the parameter instances from the second-level cache ... : oids - Since: JDO 2.0 void evictAll(Class pcClass, boolean subclasses) Parameters: pcClass |
0 | javax.jdo.spi.StateManager instances of PersistenceCapable instances, at the choice of the implementation. Since: JDO 1.0 boolean getBooleanField( PersistenceCapable pc, int field, boolean currentValue) Return the value ... representing the version of the calling instance Since: JDO 2.0 boolean isDeleted( PersistenceCapable pc |
0 | javax.jdo.Transaction: the transaction isolation level Since: JDO 2.2 See Also: setIsolationLevel(String) boolean ... of the nontransactionalRead property Since: JDO 1.0 boolean getNontransactionalWrite() If true, allows ... Since: JDO 1.0 boolean getOptimistic() Optimistic transactions do not hold data store locks until commit |
