Package quadbase.util

Class StreamResultSet

java.lang.Object

quadbase.util.StreamResultSet

All Implemented Interfaces:

IResultSet, IRow, IRSMetaData

public class StreamResultSet
extends Object
implements IResultSet, IRSMetaData

This class implements a result set on a file of type .dat, .csv

Constructor Summary

Constructors

Constructor	Description
StreamResultSet(InputStream in)	Create a new StreamResult Object using the specified InputStream
StreamResultSet(InputStream in, String encoding)	Create a new StreamResult Object using the specified InputStream
StreamResultSet(InputStream in, String encoding, boolean csv)

Method Summary

Modifier and Type	Method	Description
void	close()	Closes the cursor
static Object	createObject(int dtype, Object elem, StreamTokenizer st)
int	getColumnCount()	Gets the number of columns in the result set.
String	getColumnName(int col)	Gets the name of a column in the result set.
int	getColumnType(int col)	Gets the data type of a column in the result set.
IRSMetaData	getMetaData()	Gets the meta data object
Object	getObject(int colNo)	Returns the data value stored in the specified column of this row.
String	getTableName(int col)
boolean	next()	Advances cursor to next row
static int	readLine(StreamTokenizer st, Vector vec, boolean acceptNo)

Methods inherited from class java.lang.Object

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

Constructor Details

StreamResultSet

public StreamResultSet(InputStream in)
                throws IOException

Create a new StreamResult Object using the specified InputStream

Throws:

IOException

StreamResultSet

public StreamResultSet(InputStream in,
 String encoding)
                throws IOException

Create a new StreamResult Object using the specified InputStream

Throws:

IOException

StreamResultSet

public StreamResultSet(InputStream in,
 String encoding,
 boolean csv)
                throws IOException

Throws:

IOException

Method Details

next

public boolean next()
             throws IOException

Description copied from interface: IResultSet

Advances cursor to next row

Specified by:

next in interface IResultSet

Throws:

IOException

close

public void close()
           throws IOException

Description copied from interface: IResultSet

Closes the cursor

Specified by:

close in interface IResultSet

Throws:

IOException

getObject

public Object getObject(int colNo)

Description copied from interface: IRow

Returns the data value stored in the specified column of this row.

Specified by:

getObject in interface IRow

Parameters:

colNo - The column number for the field, beginning with 1.

Returns:

The data value stored in that column field.

getMetaData

public IRSMetaData getMetaData()

Description copied from interface: IResultSet

Gets the meta data object

Specified by:

getMetaData in interface IResultSet

getColumnCount

public int getColumnCount()

Description copied from interface: IRSMetaData

Gets the number of columns in the result set.

Specified by:

getColumnCount in interface IRSMetaData

getColumnName

public String getColumnName(int col)

Description copied from interface: IRSMetaData

Gets the name of a column in the result set.

Specified by:

getColumnName in interface IRSMetaData

Returns:

col the column name

getTableName

public String getTableName(int col)

Specified by:

getTableName in interface IRSMetaData

getColumnType

public int getColumnType(int col)

Description copied from interface: IRSMetaData

Gets the data type of a column in the result set.

Specified by:

getColumnType in interface IRSMetaData

Parameters:

col - the column index (beginning at 1)

Returns:

the column SQL data type (as represented in java.sql.Types).

readLine

public static int readLine(StreamTokenizer st,
 Vector vec,
 boolean acceptNo)
                    throws IOException

Throws:

IOException

createObject

public static Object createObject(int dtype,
 Object elem,
 StreamTokenizer st)
                           throws IOException

Throws:

IOException