/** * * Copyright 2014 The Darks ORM Project (Liu lihua) * * 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 darks.orm.annotation; import java.lang.annotation.Documented; import java.lang.annotation.ElementType; import java.lang.annotation.Inherited; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; /** * Indicates the entity class inline query annotations. * * <p> * <h1>Query.java</h1> * <p> * * When we need to directly through the entity object query or related objects, * you can use the notes, so that developers do not have again from other object * method to obtain the objects.For example, in the WEB development, in order to * keep HTML simple maintenance, we often use label form to process JAVA * objects. But using the label form not easy to other classes of objects for * further processing, then you can directly from the entity object called Query * annotation method, thus to obtain the object.It used to be lazy loading * mechanism. * * @author Liu LiHua * @version 1.0.0 v05/01/2012 * @since JDK1.5 * @see Param */ @Documented @Inherited @Retention(RetentionPolicy.RUNTIME) @Target(ElementType.METHOD) public @interface Query { /** * Query result type */ public enum QueryType { /** * List result type */ ListType, /** * single object result type */ SingleType }; /** * SQL query sentence */ String SQL() default ""; /** * query parameters array */ String[] paramType() default {}; /** * result class of method */ Class<?> resultType(); /** * Query result type * * @see QueryType */ QueryType queryType() default QueryType.ListType; }