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Java example source code file (

This example Java source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

annotation, class, collection, finder, string, util

The Java example source code

 * Copyright (C) 2010 Google, Inc.
 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.


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

 * Marks a method stub as a dynamic finder. The method is intercepted and replaced with the
 * specified JPAQL query. Provides result auto-boxing and automatic parameter binding.
 * @author Dhanji R. Prasanna (
public @interface Finder {
   * Returns the configured named query's name. Specify a named query's name
   * here. This name is typically specified in your JPA configuration.
  String namedQuery() default "";

   * Returns the configured query string. Directly specify a JPAQL query here.
  String query() default "";

   * Returns the configured autoboxing collection class.
   * Use this clause to specify a collection impl to autobox result lists into. The impl must
   * have a default no-arg constructor and be a subclass of {@code java.util.Collection}.
  Class<? extends Collection> returnAs() default Collection.class;

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