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exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0 NoResultException

) Whether the association is optional. If set to false then a non- null relationship must always exist

OptimisticLockException () Constructs a new OptimisticLockException exception with null as

PersistenceException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CriteriaBuilder Expression nullif (    Expression x ,    Y y ) Create an expression that tests whether its argument are equal, returning null if they are and the value of the first expression if they are not

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.AbstractQuery Predicate getGroupRestriction() Return the predicate that corresponds to the restriction(s) over the grouping items, or null if no restrictions have been specified. Returns: having clause predicate. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.AbstractQuery Selection getSelection() Return the selection of the query, or null if no selection has been set. Returns: selection item. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CommonAbstractCriteria Predicate getRestriction() Return the predicate that corresponds to the where clause restriction(s), or null if no restrictions have been specified. Returns: where clause predicate. Since: Jakarta Persistence (JPA) 1.0

null if no such supertype. Since: Jakarta Persistence (JPA) 1.0

milliseconds, or null to indicate no timeout Returns: the same query instance. Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Constructor in jakarta.persistence.NonUniqueResultException NonUniqueResultException() Constructs a new NonUniqueResultException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Constructor in jakarta.persistence.NonUniqueResultException NonUniqueResultException (    Exception cause ) Constructs a new NonUniqueResultException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Constructor in jakarta.persistence.NoResultException NoResultException() Constructs a new NoResultException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.TypedQuery X getSingleResultOrNull() Execute a SELECT query that returns a single untyped result. Returns: the result, of type X , or null if there is no result. Throws: IllegalStateException - if called for a Jakarta Persistence query

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.Join Predicate getOn() Return the predicate that corresponds to the ON restriction(s) on the join, or null if no ON condition has been specified. Returns: the ON restriction predicate. Since: Jakarta Persistence (JPA) 2.1

Jakarta Persistence (JPA) Method in jakarta.persistence.TupleElement String getAlias() Return the alias assigned to the tuple element or null , if no alias has been assigned. Returns: alias. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Constructor in jakarta.persistence.OptimisticLockException OptimisticLockException() Constructs a new OptimisticLockException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

- the timeout, in milliseconds, or null to indicate no timeout Returns: the same query instance. Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.Path Path getParentPath() Return the parent "node" in the path or null if no parent. Returns: parent. Since: Jakarta Persistence (JPA) 1.0

was registered with the query. Returns: a list of the results or null is the next item is not a result set

was registered with the query. Returns: the result or null if the next item is not a result set. Throws

was registered with the query. Returns: the result or null if the next item is not a result set or

Jakarta Persistence (JPA) Constructor in jakarta.persistence.QueryTimeoutException QueryTimeoutException() Constructs a new QueryTimeoutException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Constructor in jakarta.persistence.RollbackException RollbackException() Constructs a new RollbackException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Constructor in jakarta.persistence.PessimisticLockException PessimisticLockException() Constructs a new PessimisticLockException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Constructor in jakarta.persistence.EntityExistsException EntityExistsException() Constructs a new EntityExistsException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Constructor in jakarta.persistence.PersistenceException PersistenceException() Constructs a new PersistenceException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityTransaction void setTimeout (    Integer timeout ) Set the transaction timeout, in seconds. This is a hint. Parameters: timeout - the timeout, in seconds, or null to indicate that the database server should set the timeout Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManager EntityGraph createEntityGraph (    String graphName ) Obtain a mutable copy of a named EntityGraph , or return null if there is no entity graph with the given name. Parameters: graphName - name of an entity graph

Jakarta Persistence (JPA) Constructor in jakarta.persistence.LockTimeoutException LockTimeoutException() Constructs a new LockTimeoutException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManagerFactory Cache getCache() Access the cache that is associated with the entity manager factory (the "second level cache"). Returns: an instance of Cache , or null if there is no second-level cache in use. Throws

Jakarta Persistence (JPA) Constructor in jakarta.persistence.TransactionRequiredException TransactionRequiredException (    Exception cause ) Constructs a new TransactionRequiredException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Constructor in jakarta.persistence.TransactionRequiredException TransactionRequiredException() Constructs a new TransactionRequiredException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.OneToOne boolean optional (Optional) Whether the association is optional. If set to false then a non- null relationship must always exist. Default: true Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Parameter Integer getPosition() Return the parameter position, or null if the parameter is not a positional parameter. Returns: position of parameter. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Parameter String getName() Return the parameter name, or null if the parameter is not a named parameter or no name has been assigned. Returns: parameter name. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CriteriaBuilder Expression literal (    T value ) Create an expression for a literal. Parameters: value - value represented by the expression Returns: expression literal. Throws: IllegalArgumentException - if value is null . Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Constructor in jakarta.persistence.EntityNotFoundException EntityNotFoundException() Constructs a new EntityNotFoundException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Constructor in jakarta.persistence.EntityNotFoundException EntityNotFoundException (    Exception cause ) Constructs a new EntityNotFoundException exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0

). Returns null if the EntityGraph is not a named EntityGraph . Since: Jakarta Persistence (JPA) 1.0

the second argument is not a valid type for that entity's primary key or is null . Since: Jakarta Persistence (JPA) 1.0

, or null to indicate no timeout Returns: the same query instance. Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Method in jakarta.persistence.Query LockModeType getLockMode() Get the current lock mode for the query. Returns null if a lock mode has not been set on the query object. Returns: lock mode. Throws: IllegalStateException - if the query is found not to be a Jakarta

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceUnitUtil Object getIdentifier (    Object entity ) Return the id of the entity. A generated id is not guaranteed to be available until after the database insert has occurred. Returns null if the entity does not

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceUnitUtil Object getVersion (    Object entity ) Return the version of the entity. A generated version is not guaranteed to be available until after the database insert has occurred. Returns null if the entity does not

Jakarta Persistence (JPA) Method in jakarta.persistence.Query Object getSingleResultOrNull() Execute a SELECT query that returns a single untyped result. Returns: the result, or null if there is no result. Throws: IllegalStateException - if called for a Jakarta Persistence query language UPDATE or

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CriteriaBuilder Expression nullif (    Expression x ,    Expression y ) Create an expression that tests whether its argument are equal, returning null if they are and the value of the first expression

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceConfiguration String jtaDataSource() The JNDI name of a JTA javax.sql.DataSource . Returns: the configured JTA datasource, if any, or null . Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceConfiguration String nonJtaDataSource() The JNDI name of a non-JTA javax.sql.DataSource . Returns: the configured non-JTA datasource, if any, or null . Since: Jakarta Persistence (JPA) 1.0

.entity.Project [ null ](TEST: project 1) INFO: RequestBean []: Persisted: com.greensoft.entity.Project [1](TEST: project 1) INFO: RequestBean []: Created: com.greensoft.entity.Source [ null ](TEST: source ... []: Created: com.greensoft.entity.Project [ null ](TEST: project 2) INFO: RequestBean []: Persisted: com