#370 ✓resolved
opensource21

Enhancement UniqueCheck

Reported by opensource21 | October 31st, 2010 @ 03:03 PM | in 1.2.4 (closed)

It would be great if there will be a UniqueCheck, which checks if a field or a set of field is unique. I started an implementation, so if you accept the bug I can provide an patch.
The check depends on GenericModel which means it depends on JPA. Is it still OK to put it into play.data.validation?

Here the annotation

/**
 * Check that a field or or field in a context is unique.
 * You set the context as a list (comma, semicolon or space separated)
 * of properties of your {@link GenericModel}.
 *
 * Message key: validation.unique
 * $1: field name
 * $2: properties which define a context in which the column must be unique
 */
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.PARAMETER})
@Constraint(checkWith = UniqueCheck.class)
public @interface Unique {
    String value();
    String message() default UniqueCheck.mes;
}

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<h2>Play framework</h2>

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Don't have too much expectations. Unless the bug is really a serious "everything is broken" thing, you're creating a ticket to start a discussion. Having a patch (or a branch on Github we can pull from) is better, but then again we'll only pull high quality branches that make sense to be in the core of Play.

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