cannot find symbol - Id GeneratorType.S

cforce · **Joined:** Thu Jun 22, 2006 7:22 am **Posts:** 2

Hibernate version: 3.2
Name and version of the database you are using: postgresql 8.2

hi!

I have problems defining persistence indentity for attribute. Where is the problem? I used an hibernate example but it seems not work - can't find symbol! Any idea?

Tx for help.

The build script outputs following

Code:

Buildfile: D:\Softi Projects\eclipse workspace\SpringApp\build.xml
build:
    [javac] Compiling 7 source files to D:\Softi Projects\eclipse workspace\SpringApp\war\WEB-INF\classes
    [javac] D:\Softi Projects\eclipse workspace\SpringApp\src\org\annotationmvc\vo\MyObjectVO.java:40: cannot find symbol
    [javac] symbol  : method generate()
    [javac] location: @interface javax.persistence.Id
    [javac] @Id (generate = GeneratorType.AUTO)
    [javac] ^
    [javac] D:\Softi Projects\eclipse workspace\SpringApp\src\org\annotationmvc\vo\MyObjectVO.java:40: cannot find symbol
    [javac] symbol  : variable GeneratorType
    [javac] location: class org.annotationmvc.vo.MyObjectVO
    [javac] @Id (generate = GeneratorType.AUTO)
    [javac] ^
    [javac] 2 errors

BUILD FAILED
D:\Softi Projects\eclipse workspace\SpringApp\build.xml:52: Compile failed; see the compiler error output for details.

Total time: 3 seconds

Code:

package org.annotationmvc.vo;

import java.io.*;
import javax.persistence.*;

@Entity
@Table (name="myobject")
public class MyObjectVO implements Serializable {

    private int id;
    private String name;
    private String address;
    private String email;
    private String phone;

    public MyObjectVO() {
    }

    public void setId(int id) {
        this.id = id;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }

    @Id (generate = GeneratorType.SEQUENCE)
    public int getId() {
        return id;
    }

    @Column (length=100)
    public String getName() {
        return name;
    }

    @Column (length=100)
    public String getAddress() {
        return address;
    }

    @Column (length=30)
    public String getEmail() {
        return email;
    }

    @Column (length=15)
    public String getPhone() {
        return phone;
    }

}

anandbn · **Posted:** Mon Apr 09, 2007 3:52 pm

"generate" is not a valid data member of that @Id annotation. @Id does'nt have any data members. You will have to use a combination of @GeneratedValue,@GenericGenerator to achieve it. Here's an example using the Hibernate Generic Generator Annotation:

Code:

   @Id @GeneratedValue(generator="increment")
   @Column(name="APP_ID")
   @GenericGenerator(name="increment",strategy="increment")

A JPA/EJB3 only annotation might look something like this:

Code:

   @Id @GeneratedValue(strategy=SEQUENCE)
                @SequenceGenerator(name="mySeq",sequenceName="mySeq")
   @Column(name="APP_ID")