com.blazebit.persistence.view.IdMapping Maven / Gradle / Ivy

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/*
 * Copyright 2014 - 2019 Blazebit.
 *
 * 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.blazebit.persistence.view;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Maps the annotated element to the id attribute of the entity.
 *
 * @author Christian Beikov
 * @since 1.0.0
 */
@Target({ ElementType.METHOD })
@Retention(RetentionPolicy.RUNTIME)
public @interface IdMapping {
    /**
     * The JPQL expression mapping to the entity id the annotated getter or parameter should map to.
     *
     * @return The JPQL expression mapping to the entity id
     */
    String value() default "";
}