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Manual
15

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 operators
JDO Doc
14

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
JDO Doc
13

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
Manual
12

JPA Metamodel API

attribute: boolean hasSingleId = entityType.hasSingleIdAttribute(); // Gets a single ID ... : boolean hasVersion = entityType.hasVersionAttribute(); // Gets the version attribute - excluding
Manual
12

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
Manual
12

Retrieving JPA Entity Objects

: PersistenceUtil util = Persistence.getPersistenceUtil(); boolean isObjectLoaded = util.isLoaded(employee); boolean isFieldLoaded = util.isLoaded(employee, "address"); As shown
JPA Doc
12

javax.persistence.criteria.Subquery

Subquery 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 distinct( boolean distinct) Specify whether duplicate query results
JPA Doc
11

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 distinct( boolean distinct) Specify whether duplicate query results
JPA Doc
10

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
JDO Doc
9

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