package org.apache.ddlutils.io.converters;

/*
 * 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.
 * Modified by
 * @author  Data Virtuality GmbH
 * @date    $Date$
 *  
 */

/**
 * Interface for classes that convert between strings and sql data types.
 * 
 * @version $Revision: 289996 $
 */
public interface SqlTypeConverter
{
    /**
     * Converts the given textual representation to an instance of the target type.
     * 
     * @param textRep     The textual representation
     * @param sqlTypeCode The target sql type code, one of the constants in {@link java.sql.Types}
     * @return The corresponding object
     */
    public Object convertFromString(String textRep, int sqlTypeCode) throws ConversionException;

    /**
     * Converts the given object to a string representation.
     * 
     * @param obj         The object
     * @param sqlTypeCode The corresponding source type code
     * @return The textual representation
     */
    public String convertToString(Object obj, int sqlTypeCode) throws ConversionException;
}
