/**
 * Copyright 2009 Bamboozle Who
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.code.trapo.validation;
 
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
 
import javax.validation.Constraint;
import javax.validation.Payload;
 
/**
 * @author Bamboozle Who
 *
 * @since 02/11/2009
 */
@Target({ElementType.METHOD, ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
@Constraint(validatedBy=UniqueConstraintValidator.class)
@Documented
public @interface Unique {
 
	String message() default "{constraints.unique}";
 
	Class<?> entity();
 
	String field();
 
	Class<?>[] groups() default {};
 
	Class<? extends Payload>[] payload() default {};
 
}