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Manual
66

Database Schema Evolution

int to Date) the fields are not considered as matching and the new field is initialized ... to any numeric type. In this context numeric types are: byte, short, char, int, long, float, double ... long as the elements are convertible (e.g. from int[] to ArrayList). From any object to any
Manual
60

JPA Persistable Types

: boolean, byte, short, char, int, long, float and double. Equivalent wrapper classes from package
Forum
35

How to convert a boolean to an int in the query?

How to convert a boolean to an int in the query? I have five parameters of type boolean in ... for your help Consider adding an int field to your entity class, that will sum them. You can calculate it in a JPA lifecycle event. Currently you cannot convert boolean to int in queries
Manual
21

JPA Entity Fields

(which only affects persistence): @Entity public class EntityWithTransientFields { static int transient1; // not persistent because of static final int transient2 = 0; // not persistent because of final transient int transient3; // not persistent because of transient @Transient int
Tutorial
20

Step 2: Define a JPA Entity Class

; @Id @GeneratedValue private long id; private int x; private int y; public Point() { } Point(int x, int y) { this.x = x; this.y = y; } public Long getId() { return id; } public int getX() { return x
Tutorial
20

Step 2: Define a JPA Entity Class

id; private int x; private int y; public Point() { } Point(int x, int ... id; } public int getX() { return x; } public int getY
Manual
20

Defining a JPA Entity Class

{ // Persistent Fields: private int x; private int y; // Constructor: Point (int x, int y) { this.x = x; this.y = y; } // Accessor Methods: public int getX() { return this.x; } public int getY() { return this.y; } // String Representation
Manual
18

JPA Primary Key

: boolean, byte, short, char, int, long, float, double. Equivalent wrapper classes from package java ... (ProjectId.class) public class Project { @Id int departmentId; @Id long projectId ... fields and its objects can represent primary key values: Class ProjectId { int departmentId
JDO Doc
16

javax.jdo.spi.StateManager

getBooleanField( PersistenceCapable pc, int field, boolean currentValue) Return the value ... Since: JDO 1.0 byte getByteField( PersistenceCapable pc, int field, byte currentValue) Return ... value for the field Since: JDO 1.0 char getCharField( PersistenceCapable pc, int field, char
Manual
14

Index Definition

indexedField1; @Index(unique="true") int indexedField2; // unique @Index(name="i3") int indexedField3 ... a value of one of the following persistable types: Primitive types: boolean, byte, short, char, int, long