org.apache.ddlutils.platform
Class MetaDataColumnDescriptor

java.lang.Object
  org.apache.ddlutils.platform.MetaDataColumnDescriptor

public class MetaDataColumnDescriptor
extends Object

Describes a column in a metadata result set.

Version:

$Revision: $

Constructor Summary

MetaDataColumnDescriptor(String columnName, int jdbcType)
Creates a new descriptor instance.

MetaDataColumnDescriptor(String columnName, int jdbcType, Object defaultValue)
Creates a new descriptor instance.

Method Summary

Object	getDefaultValue() Returns the default value.
int	getJdbcType() Returns the jdbc type to read from the result set.
String	getName() Returns the name.
Object	readColumn(ResultSet resultSet) Reads the column from the result set.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MetaDataColumnDescriptor

public MetaDataColumnDescriptor(String columnName,
                                int jdbcType)

Creates a new descriptor instance.

Parameters:

columnName - The name of the column

jdbcType - The jdbc type for reading from the result set, one of VARCHAR, INTEGER, TINYINT, BIT

MetaDataColumnDescriptor

public MetaDataColumnDescriptor(String columnName,
                                int jdbcType,
                                Object defaultValue)

Creates a new descriptor instance.

Parameters:

columnName - The name of the column

jdbcType - The jdbc type for reading from the result set, one of VARCHAR, INTEGER, TINYINT, BIT

defaultValue - The default value if the column is not present in the result set

Method Detail

getName

public String getName()

Returns the name.

Returns:

The name

getDefaultValue

public Object getDefaultValue()

Returns the default value.

Returns:

The default value

getJdbcType

public int getJdbcType()

Returns the jdbc type to read from the result set.

Returns:

The jdbc type

readColumn

public Object readColumn(ResultSet resultSet)
                  throws SQLException

Reads the column from the result set.

Parameters:

resultSet - The result set

Returns:

The column value or the default value if the column is not present in the result set

Throws:

SQLException