org.activemath.webapp.tools.data.storage
Class JDBCTutorPresetStorageIterator

java.lang.Object
  org.activemath.webapp.tools.data.storage.JDBCTutorPresetStorageIterator

All Implemented Interfaces:

Iterator<TutorPreset>

public class JDBCTutorPresetStorageIterator
extends Object
implements Iterator<TutorPreset>

Field Summary

static int	LIMIT_NUM_ROWS Number of rows which is output by default; increases performance, because a full result set is only output on request.
protected static Logger	log The logger for this class

Method Summary

boolean	hasNext() check whether there is another row in the request
TutorPreset	next() Returns the next preset in the iterator.
void	remove() does _not_ remove a preset from the iterator, but throws a UnsupportedOperationException instead.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static Logger log

The logger for this class

LIMIT_NUM_ROWS

public static int LIMIT_NUM_ROWS

Number of rows which is output by default; increases performance, because a full result set is only output on request. Limit is only recognized if not filtering

Method Detail

hasNext

public boolean hasNext()

check whether there is another row in the request

Specified by:

hasNext in interface Iterator<TutorPreset>

Returns:

boolean which is true if there is another row

next

public TutorPreset next()

Returns the next preset in the iterator.

Specified by:

next in interface Iterator<TutorPreset>

Returns:

preset in the row or null, if the row was empty

remove

public void remove()

does _not_ remove a preset from the iterator, but throws a UnsupportedOperationException instead.

Specified by:

remove in interface Iterator<TutorPreset>