org.seasar.doma.jdbc.type
インタフェース 
JdbcType
クラス 
AbstractJdbcType
AbstractResultSetType
ArrayType
BigDecimalType
BigIntegerType
BlobType
BooleanType
BytesType
ByteType
ClobType
DateType
DoubleType
EnumType
FloatType
IntegerAdaptiveBooleanType
IntegerType
JdbcTypes
LongType
NClobType
NStringType
ObjectType
ShortType
StringType
TimestampType
TimeType
UtilDateType