forked from mybatis/mybatis-3
/
One.java
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/
One.java
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/**
* Copyright 2009-2020 the original author or authors.
*
* 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 org.apache.ibatis.annotations;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.apache.ibatis.mapping.FetchType;
/**
* The annotation that specify the nested statement for retrieving single object.
*
* @see Result
* @see Results
* @author Clinton Begin
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({})
public @interface One {
/**
* Returns the columnPrefix.
*
* @return the columnPrefix.
*/
String columnPrefix() default "";
/**
* Returns the result map id used to map single object.
*
* @return the result map id
*/
String resultMap() default "";
/**
* Returns the statement id that retrieves single object.
*
* @return the statement id
*/
String select() default "";
/**
* Returns the fetch strategy for nested statement.
*
* @return the fetch strategy
*/
FetchType fetchType() default FetchType.DEFAULT;
}