org.dspace.storage.rdbms

Class TableRowIterator

java.lang.Object

org.dspace.storage.rdbms.TableRowIterator

public class TableRowIterator
extends Object

Represents the results of a database query

Version:

$Revision$

Author:

Peter Breton

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Close the Iterator and release any associated resources
protected void	finalize() Finalize -- this method is called when this object is GC-ed.
boolean	hasNext() Return true if there are more rows, false otherwise
TableRow	next() Advance to the next row and return it.
void	setStatement(Statement st) setStatement -- this method saves the statement used to do the query.
List<TableRow>	toList() Saves all the values returned by iterator into a list.

Methods inherited from class java.lang.Object

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

Method Detail

finalize

protected void finalize()
                 throws Throwable

Finalize -- this method is called when this object is GC-ed.

Overrides:

finalize in class Object

Throws:

Throwable

setStatement

public void setStatement(Statement st)

setStatement -- this method saves the statement used to do the query. We must keep this so that the statement can be closed when we are finished.

Parameters:

st - - The statement used to do the query that created this TableRowIterator

next

public TableRow next()
              throws SQLException

Advance to the next row and return it. Returns null if there are no more rows.

Returns:

- The next row, or null if no more rows

Throws:

SQLException - - If a database error occurs while fetching values

hasNext

public boolean hasNext()
                throws SQLException

Return true if there are more rows, false otherwise

Returns:

- true if there are more rows, false otherwise

Throws:

SQLException - - If a database error occurs while fetching values

toList

public List<TableRow> toList()
                      throws SQLException

Saves all the values returned by iterator into a list. As a side effect the result set is closed and no more operations can be performed on this object.

Returns:

- A list of all the values returned by the iterator.

Throws:

SQLException - - If a database error occurs while fetching values

close

public void close()

Close the Iterator and release any associated resources