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/*
 *  Copyright 2008 biaoping.yin
 *
 *  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.frameworkset.orm.platform;

/*
 
 * 
 * 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.
 */

import com.frameworkset.orm.engine.model.Domain;
import com.frameworkset.orm.engine.model.SchemaType;

/**
 * MySql Platform implementation.
 *
 * @author Martin Poeschl
 * @version $Id: PlatformMysqlImpl.java,v 1.6 2004/02/22 06:27:19 jmcnally Exp $
 */
public class PlatformMysqlImpl extends PlatformDefaultImpl
{
    /**
     * Default constructor.
     */
    public PlatformMysqlImpl()
    {
        super();
        initialize();
    }

    /**
     * Initializes db specific domain mapping.
     */
    private void initialize()
    {
        setSchemaDomainMapping(new Domain(SchemaType.NUMERIC, "DECIMAL"));
        setSchemaDomainMapping(new Domain(SchemaType.INTEGER, "MEDIUMINT"));
        setSchemaDomainMapping(new Domain(SchemaType.LONGVARCHAR, "MEDIUMTEXT"));
        setSchemaDomainMapping(new Domain(SchemaType.DATE, "DATETIME"));
        setSchemaDomainMapping(new Domain(SchemaType.BINARY, "BLOB"));
        setSchemaDomainMapping(new Domain(SchemaType.VARBINARY, "MEDIUMBLOB"));
        setSchemaDomainMapping(new Domain(SchemaType.LONGVARBINARY, "LONGBLOB"));
        setSchemaDomainMapping(new Domain(SchemaType.BLOB, "LONGBLOB"));
        setSchemaDomainMapping(new Domain(SchemaType.CLOB, "LONGTEXT"));
    }

    /**
     * @see Platform#getAutoIncrement()
     */
    public String getAutoIncrement()
    {
        return "AUTO_INCREMENT";
    }

    /**
     * @see Platform#hasSize(String)
     */
    public boolean hasSize(String sqlType) {
        return !("MEDIUMTEXT".equals(sqlType) || "LONGTEXT".equals(sqlType) 
                || "BLOB".equals(sqlType) || "MEDIUMBLOB".equals(sqlType)
                || "LONGBLOB".equals(sqlType));
    }
}