/*
* Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
*
* 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 com.querydsl.sql.types;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
/**
* {@code EnumAsObjectType} maps Enum types to Object on the JDBC level
*
* @author tiwe
*
* @param <T>
*/
public class EnumAsObjectType<T extends Enum<T>> extends AbstractType<T> {
private final Class<T> type;
public EnumAsObjectType(Class<T> type) {
this(Types.OTHER, type);
}
public EnumAsObjectType(int jdbcType, Class<T> type) {
super(jdbcType);
this.type = type;
}
@Override
public Class<T> getReturnedClass() {
return type;
}
@Override
public T getValue(ResultSet rs, int startIndex) throws SQLException {
String name = rs.getString(startIndex);
return name != null ? Enum.valueOf(type, name) : null;
}
@Override
public void setValue(PreparedStatement st, int startIndex, T value) throws SQLException {
st.setObject(startIndex, value.name(), Types.OTHER);
}
}