Home » Search

About Group Id

71-80 of 200Refresh
Tutorial
5

Step 2: Define a JPA Entity Class

; @Id @GeneratedValue private long id; private int x; private int y; public ... ; } public Long getId() { return id; } public int getX() { return x ... should represent Point objects in the database. Besides the @Entity annotation and the id field
Tutorial
5

Step 2: Define a JPA Entity Class

{ private static final long serialVersionUID = 1L; @Id @GeneratedValue private long id; private int x; private int y; public Point() { } Point(int x, int ... id; } public int getX() { return x; } public int getY
Tutorial
5

Step 2: Define a JPA Entity Class

.GeneratedValue; import javax.persistence.Id; @Entity public class Guest implements Serializable { private static final long serialVersionUID = 1L; // Persistent Fields: @Id @GeneratedValue Long id; private String name; private Date signingDate
Tutorial
5

Step 2: Define a JPA Entity Class

.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; @Entity public ... ; // Persistent Fields: @Id @GeneratedValue Long id; private String name; private ... in the database. Besides the @Entity annotation and the id field (and its annotations) - the Guest
JPA Doc
5

javax.persistence.JoinColumns

javax.persistence Annotation JoinColumns Target: Fields (including property get methods) Defines mapping for composite foreign keys. This annotation groups JoinColumn annotations for the same ... ({ @JoinColumn(name="ADDR_ID", referencedColumnName="ID"), @JoinColumn(name="ADDR_ZIP
JPA Doc
5

javax.persistence.PrimaryKeyJoinColumns

get methods) Groups PrimaryKeyJoinColumn annotations. It is used to map composite foreign keys ... ") @PrimaryKeyJoinColumns({ @PrimaryKeyJoinColumn(name="CUST_ID", referencedColumnName="ID"), @PrimaryKeyJoinColumn(name="CUST_TYPE", referencedColumnName
Manual
4

Comparison in JPQL and Criteria API

the same content. ObjectDB supports comparison of any two values that belong to the same group as
JPA Doc
4

Criteria Query From Elements

The interfaces in this group are in use for setting a criteria query FROM clause. Criteria Query Variables The FROM clause in JPA queries (as in SQL) defines the query variables. Query variables are represented in criteria queries by descendant interfaces of the From interface: Range variables
JPA Doc
4

Criteria Query Selection and Results

The JPA Criteria API interfaces in this group are in use for setting the SELECT and ORDER BY clauses and for representing query results as tuples. SELECT Clause Elements The content of the SELECT clause in a criteria query is represented by Selection: Because Selection is a super interface
Manual
4

DELETE Queries in JPA/JPQL

cannot include multiple variables and JOIN, and cannot include the GROUP BY, HAVING and ORDER BY clauses