/* * 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.config; 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 org.jdbi.v3.core.config.ConfigRegistry; import org.jdbi.v3.core.mapper.MapEntryMapper; /** * Configures the column to use for map values, for SQL methods that return {@link java.util.Map}, or Guava's Multimap. * <p>Example:</p> * <pre> * @SqlQuery("select key, value from config") * @KeyColumn("key") * @ValueColumn("value") * Map<String, String> getConfigs(); * </pre> */ @ConfiguringAnnotation(ValueColumn.Impl.class) @Target(ElementType.METHOD) @Retention(RetentionPolicy.RUNTIME) public @interface ValueColumn { /** * The column name to use for map values. */ String value(); class Impl implements Configurer { @Override public void configureForMethod(ConfigRegistry registry, Annotation annotation, Class<?> sqlObjectType, Method method) { ValueColumn valueColumn = (ValueColumn) annotation; registry.get(MapEntryMapper.Config.class).setValueColumn(valueColumn.value()); } } }