com.antelmann.calendar
Class SQLCalendarEntryIterator

java.lang.Object
  com.antelmann.util.AbstractIterator<CalendarEntry>
      com.antelmann.calendar.SQLCalendarEntryIterator

All Implemented Interfaces:

Closeable, Iterable<CalendarEntry>, Enumeration<CalendarEntry>, Iterator<CalendarEntry>

public class SQLCalendarEntryIterator
extends AbstractIterator<CalendarEntry>

Author:

Holger Antelmann

Constructor Summary

SQLCalendarEntryIterator(SQLCalendarDB db, Filter<CalendarEntry> filter)

SQLCalendarEntryIterator(SQLCalendarDB db, ResultSet set, Filter<CalendarEntry> filter, boolean closeOnEnd)
the ResultSet as well as the creating Statement are both closed only if closeOnEnd is true

Method Summary

SQLException	getException() returns an exception in case one occurred
protected CalendarEntry	getNextElement() if no more Element is available, this method is to return null or throw any Exception.
ResultSet	getResultSet()

Methods inherited from class com.antelmann.util.AbstractIterator

allowsNull, asIterable, close, concat, concat, convert, convert, count, currentElement, emptyEnumeration, emptyIterable, emptyIterator, enumerate, filter, filter, getAll, getCount, getEndCondition, getFilter, hasMoreElements, hasNext, iterate, iterate, iterator, list, list, list, list, monitor, monitor, next, nextElement, process, process, propagatesException, remove, reverseEnumeration, setAllowNull, setFilter, setPropagateException, sortEnumeration, sortEnumeration, stopIteration

Methods inherited from class java.lang.Object

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

Constructor Detail

SQLCalendarEntryIterator

public SQLCalendarEntryIterator(SQLCalendarDB db,
                                Filter<CalendarEntry> filter)
                         throws SQLException

Throws:

SQLException

SQLCalendarEntryIterator

public SQLCalendarEntryIterator(SQLCalendarDB db,
                                ResultSet set,
                                Filter<CalendarEntry> filter,
                                boolean closeOnEnd)
                         throws SQLException

the ResultSet as well as the creating Statement are both closed only if closeOnEnd is true

Throws:

SQLException

Method Detail

getException

public SQLException getException()

returns an exception in case one occurred

getResultSet

public ResultSet getResultSet()

getNextElement

protected CalendarEntry getNextElement()
                                throws SQLException

Description copied from class: AbstractIterator

if no more Element is available, this method is to return null or throw any Exception. Errors (as opposed to Exceptions) are not caught, i.e. they would always be thrown directly and unwrapped during next().

Specified by:

getNextElement in class AbstractIterator<CalendarEntry>

Throws:

SQLException