Class AbstractMap.Iter<K,V>

java.lang.Object

org.apache.sis.internal.util.AbstractMap.Iter<K,V>

Direct Known Subclasses:

AbstractMap.Entries, AbstractMap.Keys, AbstractMap.Values

Enclosing class:

AbstractMap<K,V>

private abstract static class AbstractMap.Iter<K,V>
extends Object

Base class of iterators overs keys, values or entries. Those iterators wrap an AbstractMap.EntryIterator instance.

Since:

0.5

Version:

0.8

Field Summary

Fields

Modifier and Type	Field	Description
private static final byte	AFTER_NEXT	Possible values for hasNext.
private static final byte	FALSE	Possible values for hasNext.
private byte	hasNext	TRUE, FALSE or AFTER_NEXT, or 0 if not yet determined.
private final AbstractMap.EntryIterator<K,V>	iterator	The wrapped entry iterator.
private static final byte	TRUE	Possible values for hasNext.

Constructor Summary

Constructors

Constructor	Description
Iter(AbstractMap.EntryIterator<K,V> iterator)	Creates a new standard iterator wrapping the given entry iterator.

Method Summary

Modifier and Type	Method	Description
(package private) final AbstractMap.EntryIterator<K,V>	entry()	Ensures that the entry iterator is positioned on a valid entry, and returns it.
final boolean	hasNext()	Returns true if there is at least one more element to return.
final void	remove()	Removes the current entry.

Methods inherited from class Object

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

Field Details

iterator

private final AbstractMap.EntryIterator<K,V> iterator

The wrapped entry iterator.

hasNext

private byte hasNext

TRUE, FALSE or AFTER_NEXT, or 0 if not yet determined.

TRUE

private static final byte TRUE

Possible values for hasNext.

See Also:

• Constant Field Values

FALSE

private static final byte FALSE

Possible values for hasNext.

See Also:

• Constant Field Values

AFTER_NEXT

private static final byte AFTER_NEXT

Possible values for hasNext.

See Also:

• Constant Field Values

Constructor Details

Iter

Iter(AbstractMap.EntryIterator<K,V> iterator)

Creates a new standard iterator wrapping the given entry iterator.

Parameters:

iterator - AbstractMap.entryIterator().

Method Details

hasNext

public final boolean hasNext()

Returns true if there is at least one more element to return.

entry

final AbstractMap.EntryIterator<K,V> entry()

Ensures that the entry iterator is positioned on a valid entry, and returns it. This method shall be invoked by implementations of Iterator.next().

remove

public final void remove()

Removes the current entry.