/*****************************************************************
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.cayenne.access.types;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
/**
* A noop type that is sometimes useful to suppress extended types operations. It will set
* and get null values.
*
* @since 1.2
*/
public class VoidType implements ExtendedType<Void> {
@Override
public String getClassName() {
return Void.TYPE.getName();
}
@Override
public void setJdbcObject(
PreparedStatement statement,
Void value,
int pos,
int type,
int precision) throws Exception {
statement.setNull(pos, type);
}
@Override
public Void materializeObject(ResultSet rs, int index, int type) throws Exception {
return null;
}
@Override
public Void materializeObject(CallableStatement rs, int index, int type)
throws Exception {
return null;
}
@Override
public String toString(Void value) {
if (value == null) {
return "NULL";
}
return null;
}
}