/*
* 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.jdbi.v3.sqlobject.customizer;
import java.lang.annotation.Annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.Method;
import java.lang.reflect.Parameter;
import java.lang.reflect.Type;
/**
* Used to specify the fetch direction, per JDBC, of a result set.
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD, ElementType.PARAMETER, ElementType.TYPE})
@SqlStatementCustomizingAnnotation(FetchDirection.Factory.class)
public @interface FetchDirection
{
/**
* Set to a value valid for fetch direction on the jdbc statement
* @return the fetch direction
*/
int value();
class Factory implements SqlStatementCustomizerFactory
{
@Override
public SqlStatementCustomizer createForType(Annotation annotation, Class<?> sqlObjectType)
{
int fetchDirection = ((FetchDirection) annotation).value();
return stmt -> stmt.setFetchDirection(fetchDirection);
}
@Override
public SqlStatementCustomizer createForMethod(Annotation annotation, Class<?> sqlObjectType, Method method)
{
return createForType(annotation, sqlObjectType);
}
@Override
public SqlStatementParameterCustomizer createForParameter(Annotation annotation,
Class<?> sqlObjectType,
Method method,
Parameter param,
int index,
Type type)
{
return (stmt, fetchDirection) -> stmt.setFetchDirection((Integer) fetchDirection);
}
}
}