ObjectDB Database Search

- if the parameter name does not correspond to a parameter of the query or if the value argument is of incorrect type Since: JPA 2.0 ... ; name ,    Date value,     TemporalType  temporalType ) Bind an instance of java.util.Date to a named parameter. Parameters: name - parameter name value - parameter

: IllegalArgumentException - if the parameter name does not correspond to a parameter of the query or if the value argument is of incorrect type Since: JPA 2.0 ... ; name ,    Calendar value,     TemporalType  temporalType ) Bind an instance of java.util.Calendar to a named parameter. Parameters: name - parameter name value

JPA Annotation Attribute in jakarta.persistence.Entity String name default "" (Optional) The entity name . Defaults to the unqualified name of the entity class. This name is used to refer to the entity in queries . The name must not be a reserved literal in the Jakarta Persistence query language. Since: JPA 1.0

.getTransaction().commit();         Query query = em.createQuery("SELECT e FROM MyEntity e");         List resultList = query ... {         private String name ;       

JPA Annotation Attribute in jakarta.persistence.NamedStoredProcedureQuery String name default null The name used to refer to the query with the EntityManager methods that create stored procedure query objects. Since: JPA 2.1

JPA Annotation Attribute in jakarta.persistence.NamedQuery String name default null (Required) The name used to identify the query in calls to EntityManager.createNamedQuery . Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.NamedNativeQuery String name default null The name used to identify the query in calls to EntityManager.createNamedQuery . Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.ColumnResult String name default null (Required) The name of a column in the SELECT clause of a SQL query Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.SqlResultSetMapping String name default null The name given to the result set mapping, and used to refer to it in the methods of the Query and StoredProcedureQuery APIs. Since: JPA 1.0

parameter of the given name . This method is not required to be supported for native queries ... - if the parameter of the specified name does not exist IllegalStateException - if invoked on a native query ... of the given name and type. This method is required to be supported for criteria queries only. Parameters: name

classes. However, it might be useful to register classes that define generators and named queries (by annotations). Otherwise, the generators and named queries are available only when the containing ... A persistence unit is defined by a persistence-unit XML element. The required name attribute ( “my-pu

= manager.getName(); Accessing a persistent field in a hollow object (e.g. the name of the manager in ... and the other for checking a persistent field of an entity object. Retrieval by Query The most flexible method for retrieving objects from the database is to use queries . The official query language

and Reporting Tools (BIRT) that adds support of ObjectDB as a data source and JPQL as a data set query ... data source types. Enter data source name (e.g. ObjectDB Points ) and click Next . Specify an ObjectDB ... . Select an ObjectDB data source (e.g. ObjectDB Points ).  Enter a data set name (e.g. Points by X

, such as query results that contain millions of objects. The element specifies temporary file settings ... specifying 0 as the maximum list size . The user attribute specifies if user names should be saved ... ( "" ) logging to file is disabled. Every day a new log file is generated with the name odb .log

... ... A element has two roles: If the optional new- name attribute is specified, the package name is changed from the original name , which is specified by the required name attribute, to the new name . All the classes in that package are moved to the new package name . In addition, whether or not a new

- name of the property or hint value - value for the property or hint Return: the same query ... JPA Method in jakarta.persistence. Query Query setHint (   String hintName,    Object value ) Set a query property or hint. The hints elements may be used

should always return void and take no arguments. They can have any name and any access level ( public , protected ... lifecycle event (which is still in progress) callback methods should not call EntityMan­ager or Query

JPA Annotation Attribute in jakarta.persistence.JoinColumn String name default "" (Optional) The name of the foreign key column. The table in which this column is found depends on the context ... is used): The concatenation of the following: the name of the referencing relationship property or field

;String  name ) Return the Set-valued attribute declared by the managed type that corresponds to the specified name . Parameters: name - the name of the represented attribute Return: declared SetAttribute of the given name Throws: IllegalArgumentException - if attribute of the given name is not declared in the managed type Since: JPA 2.0

(   String  name ) Return the Collection-valued attribute declared by the managed type that corresponds to the specified name . Parameters: name - the name of the represented attribute Return: declared CollectionAttribute of the given name Throws: IllegalArgumentException - if attribute

  name ) Return the Set-valued attribute of the managed type that corresponds to the specified name . Parameters: name - the name of the represented attribute Return: SetAttribute of the given name Throws: IllegalArgumentException - if attribute of the given name is not present in the managed type Since: JPA 2.0

; String  name ) Return the Collection-valued attribute of the managed type that corresponds to the specified name . Parameters: name - the name of the represented attribute Return: CollectionAttribute of the given name Throws: IllegalArgumentException - if attribute of the given name is not present in the managed type Since: JPA 2.0

(   String  name ) Return the single-valued attribute of the managed type that corresponds to the specified name . Parameters: name - the name of the represented attribute Return: single-valued attribute with the given name Throws: IllegalArgumentException - if attribute of the given name is not present in the managed type Since: JPA 2.0

getDeclaredSingularAttribute (   String  name ) Return the single-valued attribute declared by the managed type that corresponds to the specified name . Parameters: name - the name of the represented attribute Return: declared single-valued attribute of the given name Throws: IllegalArgumentException

;String  name ) Return the Map-valued attribute declared by the managed type that corresponds to the specified name . Parameters: name - the name of the represented attribute Return: declared MapAttribute of the given name Throws: IllegalArgumentException - if attribute of the given name is not declared in the managed type Since: JPA 2.0

  name ) Return the Map-valued attribute of the managed type that corresponds to the specified name . Parameters: name - the name of the represented attribute Return: MapAttribute of the given name Throws: IllegalArgumentException - if attribute of the given name is not present in the managed type Since: JPA 2.0

  name ) Return the List-valued attribute of the managed type that corresponds to the specified name . Parameters: name - the name of the represented attribute Return: ListAttribute of the given name Throws: IllegalArgumentException - if attribute of the given name is not present in the managed type Since: JPA 2.0

; String  name ) Return the List-valued attribute declared by the managed type that corresponds to the specified name . Parameters: name - the name of the represented attribute Return: declared ListAttribute of the given name Throws: IllegalArgumentException - if attribute of the given name is not declared in the managed type Since: JPA 2.0

; String  name ,    Class  elementType ) Return the List-valued attribute declared by the managed type that corresponds to the specified name and Java element type. Parameters: name - the name of the represented attribute elementType - the element type of the represented

;String  name ,    Class  elementType ) Return the Set-valued attribute declared by the managed type that corresponds to the specified name and Java element type. Parameters: name - the name of the represented attribute elementType - the element type of the represented

  name ,    Class  elementType ) Return the List-valued attribute of the managed type that corresponds to the specified name and Java element type. Parameters: name - the name ... : ListAttribute of the given name and element type Throws: IllegalArgumentException - if attribute

  name ,    Class  elementType ) Return the Set-valued attribute of the managed type that corresponds to the specified name and Java element type. Parameters: name - the name ... : SetAttribute of the given name and element type Throws: IllegalArgumentException - if attribute

; String  name ,    Class  elementType ) Return the Collection-valued attribute of the managed type that corresponds to the specified name and Java element type. Parameters: name - the name of the represented attribute elementType - the element type of the represented

(   String  name ,    Class  elementType ) Return the Collection-valued attribute declared by the managed type that corresponds to the specified name and Java element type. Parameters: name - the name of the represented attribute elementType - the element type

; String  name ) Return the attribute declared by the managed type that corresponds to the specified name . Parameters: name - the name of the represented attribute Return: attribute with given name Throws: IllegalArgumentException - if attribute of the given name is not declared in the managed type Since: JPA 2.0

;String  name ) Return the attribute of the managed type that corresponds to the specified name . Parameters: name - the name of the represented attribute Return: attribute with given name Throws: IllegalArgumentException - if attribute of the given name is not present in the managed type Since: JPA 2.0

  name ,    Class  keyType,    Class  valueType ) Return the Map-valued attribute of the managed type that corresponds to the specified name and Java key and value types. Parameters: name - the name of the represented attribute keyType - the key type

;String  name ,    Class  keyType,    Class  valueType ) Return the Map-valued attribute declared by the managed type that corresponds to the specified name and Java key and value types. Parameters: name - the name of the represented attribute keyType

JPA Annotation Attribute in jakarta.persistence.NamedEntityGraph String name default "" (Optional) The name used to identify the entity graph in calls to EntityManager.getEntityGraph . If no name is explicitly specified, the name defaults to the entity name of the annotated root entity. Entity

(   String  name ,    Class  type ) Return the single-valued attribute of the managed type that corresponds to the specified name and Java type. Parameters: name - the name of the represented attribute type - the type of the represented attribute Return: single-valued

getDeclaredSingularAttribute (   String  name ,    Class  type ) Return the single-valued attribute declared by the managed type that corresponds to the specified name and Java type. Parameters: name - the name of the represented attribute type - the type of the represented attribute Return

JPQL query that retrieves selective objects from the database. Out of the four optional clauses of JPQL queries , the WHERE clause is definitely the most frequently used. How a WHERE Clause Works The following query retrieves only countries with a population size above a population size p

JPA Annotation Attribute in jakarta.persistence.PrimaryKeyJoinColumn String name default "" (Optional) The name of the primary key column of the current table. Defaults to the same name as the primary key column of the primary table of the superclass ( JOINED mapping strategy); the same name as

JPA Annotation Attribute in jakarta.persistence.CollectionTable String name default "" (Optional) The name of the collection table. If not specified, it defaults to the concatenation of the name of the containing entity and the name of the collection attribute, separated by an underscore. Since: JPA 2.0

JPA Method in jakarta.persistence.criteria.CriteriaBuilder ParameterExpression parameter (   Class  paramClass,    String  name ) Create a parameter expression with the given name . Parameters: paramClass - parameter class name - name that can be used to refer to the parameter Return: parameter expression Since: JPA 2.0

Bean and clicking Next . Enter GuestDao as the EJB class name - use exactly that case sensitive class name . The Java package name should be guest. Click Finish to create the new session bean (EJB ... getAllGuests() { TypedQuery query = em.createQuery( "SELECT g FROM Guest g ORDER BY g.id", Guest.class

. The package name should be  guest . Enter  GuestDao as the class name - use  exactly that case sensitive class name . Click  Finish to create the new DAO Spring component class. Now ... getAllGuests() { TypedQuery query = em.createQuery( "SELECT g FROM Guest g ORDER BY g.id", Guest.class); return

node (in the [Package Explorer] window) and selecting New Class . The package name should be guest . Enter GuestDao as the class name - use exactly that case sensitive class name . Click Finish ... ); } // Retrieves all the guests: public List getAllGuests() { TypedQuery query = em.createQuery( "SELECT g FROM

Queries against the database are represented in BIRT as data sets. To create the data set: Open ... Points ).  Enter a data set name (e.g. Points by X ) and click Next . The database in this tutorial contains Point entity objects. We will use a simple JPQL query that retrieves points with x

Java Class... . Enter  GuestDao as the class name - use  exactly that case sensitive class name . The Package should be guest. Click Finish to create the new DAO Spring component class. Now ... () { TypedQuery query = em.createQuery( "SELECT g FROM Guest g ORDER BY g.id", Guest.class); return