/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.ejb.plugins.cmp.jdbc;

import java.sql.Types;


/**
 * This class provides a simple mapping of a Java type type to a single column.
 *
 * @author <a href="mailto:dain@daingroup.com">Dain Sundstrom</a>
 * @author <a href="mailto:alex@jboss.org">Alexey Loubyansky</a>
 * @version $Revision: 81030 $
 */
public final class JDBCTypeSimple implements JDBCType
{
   private final String[] columnNames;
   private final Class[] javaTypes;
   private final int[] jdbcTypes;
   private final String[] sqlTypes;
   private final boolean[] notNull;
   private final boolean[] autoIncrement;
   private final JDBCResultSetReader[] resultSetReader;
   private final JDBCParameterSetter[] paramSetter;

   private final Mapper mapper;

   public JDBCTypeSimple(
      String columnName,
      Class javaType,
      int jdbcType,
      String sqlType,
      boolean notNull,
      boolean autoIncrement,
      Mapper mapper,
      JDBCParameterSetter paramSetter,
      JDBCResultSetReader resultReader
      )
   {
      columnNames = new String[]{columnName};
      javaTypes = new Class[]{javaType};
      jdbcTypes = new int[]{jdbcType};
      sqlTypes = new String[]{sqlType};
      this.notNull = new boolean[]{notNull};
      this.autoIncrement = new boolean[]{autoIncrement};
      this.mapper = mapper;
      resultSetReader = new JDBCResultSetReader[]{resultReader};
      this.paramSetter = new JDBCParameterSetter[]{paramSetter};
   }

   public final String[] getColumnNames()
   {
      return columnNames;
   }

   public final Class[] getJavaTypes()
   {
      return javaTypes;
   }

   public final int[] getJDBCTypes()
   {
      return jdbcTypes;
   }

   public final String[] getSQLTypes()
   {
      return sqlTypes;
   }

   public final boolean[] getNotNull()
   {
      return notNull;
   }

   public final boolean[] getAutoIncrement()
   {
      return autoIncrement;
   }

   public final Object getColumnValue(int index, Object value)
   {
      if(index != 0)
      {
         throw new IndexOutOfBoundsException("JDBCSimpleType does not support an index>0.");
      }
      return mapper == null ? value : mapper.toColumnValue(value);
   }

   public final Object setColumnValue(int index, Object value, Object columnValue)
   {
      if(index != 0)
      {
         throw new IndexOutOfBoundsException("JDBCSimpleType does not support an index>0.");
      }
      return mapper == null ? columnValue : mapper.toFieldValue(columnValue);
   }

   public boolean hasMapper()
   {
      return mapper != null;
   }

   public boolean isSearchable()
   {
      int jdbcType = jdbcTypes[0];
      return jdbcType != Types.BINARY &&
         jdbcType != Types.BLOB &&
         jdbcType != Types.CLOB &&
         jdbcType != Types.LONGVARBINARY &&
         jdbcType != Types.LONGVARCHAR &&
         jdbcType != Types.VARBINARY;
   }

   public final JDBCResultSetReader[] getResultSetReaders()
   {
      return resultSetReader;
   }

   public JDBCParameterSetter[] getParameterSetter()
   {
      return paramSetter;
   }
}
