org.apache.ddlutils.platform
Class ModelBasedResultSetIterator

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

All Implemented Interfaces:

Iterator

public class ModelBasedResultSetIterator

extends Object

implements Iterator

This is an iterator that is specifically targeted at traversing result sets. If the query is against a known table, then SqlDynaBean instances are created from the rows, otherwise normal DynaBean instances are created.

Version:

$Revision: 289996 $

Author:

Thomas Dudziak

Constructor Summary

ModelBasedResultSetIterator(PlatformImplBase platform, Database model, ResultSet resultSet, Table[] queryHints, boolean cleanUpAfterFinish)
Creates a new iterator.

Method Summary

void	cleanUp() Closes the resources (connection, statement, resultset).
protected void	finalize()
boolean	hasNext()
boolean	isConnectionOpen() Determines whether the connection is still open.
Object	next()
void	remove()

Methods inherited from class java.lang.Object

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

Constructor Detail

ModelBasedResultSetIterator

public ModelBasedResultSetIterator(PlatformImplBase platform,
                                   Database model,
                                   ResultSet resultSet,
                                   Table[] queryHints,
                                   boolean cleanUpAfterFinish)
                            throws DynaSqlException

Creates a new iterator.

Parameters:

platform - The platform

model - The database model

resultSet - The result set

queryHints - The tables that were queried in the query that produced the given result set (optional)

cleanUpAfterFinish - Whether to close the statement and connection after finishing the iteration, upon on exception, or when this iterator is garbage collected

Method Detail

hasNext

public boolean hasNext()
                throws DynaSqlException

Specified by:

hasNext in interface Iterator

Throws:

DynaSqlException

next

public Object next()
            throws DynaSqlException

Specified by:

next in interface Iterator

Throws:

DynaSqlException

remove

public void remove()
            throws DynaSqlException

Specified by:

remove in interface Iterator

Throws:

DynaSqlException

cleanUp

public void cleanUp()

Closes the resources (connection, statement, resultset).

finalize

protected void finalize()
                 throws Throwable

Throws:

Throwable

isConnectionOpen

public boolean isConnectionOpen()

Determines whether the connection is still open.

Returns:

true if the connection is still open