Annotation and custom type

darkit · **Joined:** Thu Aug 28, 2003 6:30 am **Posts:** 58

Hibernate version: 3.2.2.ga

Annotation version: 3.2.1.ga

I wanted to implement my own enum type to save it to varchar not to int field in the database.

At first, I copied existed EnumType without any changes. When I used hibernate EnumType then method "setParameterValues" receives parameters such enum class name, but when I change @Type(type ="myEnumType") then method "setParameterValues" receives null not filled parameters. I understand that I can use @Parameter and set enum class manually. But everything works automatically with hibernate EnumType and I’d like such behavior with my custom enum type.

Is it possible?

busitech · **Posted:** Fri May 11, 2007 2:37 pm

To achieve this without a user type, you can annotate your enum like this:

@Enumerated(EnumType.STRING)

emmanuel · **Posted:** Mon May 14, 2007 12:18 pm

busitech is correct

The reason you don't get any parameter is because the annotation (@Enumerated(EnumType.STRING)) is translated into a parameter for the enum user type in AnnotationBinder

darkit · **Joined:** Thu Aug 28, 2003 6:30 am **Posts:** 58

Here's my enum

Code:

public enum AccountType implements NamedEnum {
    vertical("Virtual Business"), member("Member"), alert("Alert Subscriber");

    private AccountType(final String value) {
        this.value = value;
    }

    private String value;

    public String getValue() {
        return value;
    }

    public String toString() {
        return getValue();
    }
}

and i want to store in db not number (1,2 and etc) and not enum name( vertical, member ...) but this enum value property ("Virtual Business", "Member" and etc...).

For this purpose i wanted to create own UserType and expected to recieve params for this persistent property:

Code:

    @Type(type = "NamedEnumType")
    @Column(name = "account_type", updatable = false, length = 25)
    public AccountType getAccountType() {
        return accountType;
    }

Existed EnumType is working and it receieves params such enum class but my own which equals Hibernate EnumType ( I'll change it in the future when understand the problem wiith params) doesn't work.

I tried to add @Enumerated() but it didn't help.

With @Enumerated(EnumType.STRING) it's working but it stores enum name not my enum property.

emmanuel · **Posted:** Thu May 17, 2007 8:40 pm

You will have to do

Code:

@Type(type = "NamedEnumType", parameters=@Parameter(name="class", value="com.acme.AccountType"))
    @Column(name = "account_type", updatable = false, length = 25)
    public AccountType getAccountType() {
        return accountType;
    } 