com.antelmann.db
Class AbstractDBEnumeration<T extends DBEntry>

java.lang.Object
  com.antelmann.util.AbstractIterator<T>
      com.antelmann.db.AbstractDBEnumeration<T>

All Implemented Interfaces:

DBEnumeration<T>, Closeable, Iterable<T>, Enumeration<T>, Iterator<T>

public abstract class AbstractDBEnumeration<T extends DBEntry>
extends AbstractIterator<T>
implements DBEnumeration<T>

a base for making it easy to implement DBEnumeration.

Since:

30. März 2007, 14:07

Author:

Holger Antelmann

Constructor Summary

AbstractDBEnumeration()

Method Summary

static <T extends DBEntry,X extends T,Y extends T> DBEnumeration<T>	add(DBEnumeration<X> e1, DBEnumeration<Y> e2)
static <T extends DBEntry> DBEnumeration<T>	emptyDBEnumeration()
static <E extends DBEntry> AbstractDBEnumeration<E>	filter(DBEnumeration<E> i, Filter<? super E> filter) remove() is not supported on the returned iterator
protected void	finalize()
static <E extends DBEntry> DBEnumeration<E>	monitor(DBEnumeration<E> i, Monitor monitor) increments the monitor upon calling next()
static <T extends DBEntry,E extends Exception> DBEnumeration<T>	processDB(DBEnumeration<T> e, Processor<T,E> p)
static <T extends DBEntry> DBEnumeration<T>	wrap(Enumeration<T> e)
static <T extends DBEntry> DBEnumeration<T>	wrap(Iterator<T> i)

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, getNextElement, 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, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.antelmann.db.DBEnumeration

close

Methods inherited from interface java.util.Enumeration

hasMoreElements, nextElement

Constructor Detail

AbstractDBEnumeration

public AbstractDBEnumeration()

Method Detail

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

filter

public static <E extends DBEntry> AbstractDBEnumeration<E> filter(DBEnumeration<E> i,
                                                                  Filter<? super E> filter)

remove() is not supported on the returned iterator

wrap

public static <T extends DBEntry> DBEnumeration<T> wrap(Iterator<T> i)

wrap

public static <T extends DBEntry> DBEnumeration<T> wrap(Enumeration<T> e)

monitor

public static <E extends DBEntry> DBEnumeration<E> monitor(DBEnumeration<E> i,
                                                           Monitor monitor)

increments the monitor upon calling next()

processDB

public static <T extends DBEntry,E extends Exception> DBEnumeration<T> processDB(DBEnumeration<T> e,
                                                                                 Processor<T,E> p)

add

public static <T extends DBEntry,X extends T,Y extends T> DBEnumeration<T> add(DBEnumeration<X> e1,
                                                                               DBEnumeration<Y> e2)

emptyDBEnumeration

public static <T extends DBEntry> DBEnumeration<T> emptyDBEnumeration()