etomica.atom.iterator
Class AtomIteratorNull

java.lang.Object
  etomica.atom.iterator.AtomIteratorNull

All Implemented Interfaces:

AtomIterator, AtomLeafsetIterator, AtomsetIterator, Serializable

public final class AtomIteratorNull
extends Object
implements AtomIterator, Serializable

Static iterator that returns no atoms.

See Also:

Serialized Form

Field Summary

static AtomIteratorNull

INSTANCE

Method Summary

int	nBody() Returns the number of atoms given in each iterate, i.e., the size of the atom array returned with each call to next().
IAtomList	next() Returns the next AtomSet iterate, or null if hasNext() is false.
IAtom	nextAtom() Returns the next atom in the iteration sequence, or null if hasNext() is false.
void	reset() Resets the iterator to loop through its iterates again.
int	size() The number of iterates returned by this iterator in its current state.
void	unset() Puts iterator in a state in which hasNext() returns false.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final AtomIteratorNull INSTANCE

Method Detail

next

public IAtomList next()

Description copied from interface: AtomLeafsetIterator

Returns the next AtomSet iterate, or null if hasNext() is false.

Specified by:

next in interface AtomLeafsetIterator

nextAtom

public IAtom nextAtom()

Description copied from interface: AtomIterator

Returns the next atom in the iteration sequence, or null if hasNext() is false.

Specified by:

nextAtom in interface AtomIterator

reset

public void reset()

Description copied from interface: AtomsetIterator

Resets the iterator to loop through its iterates again.

Specified by:

reset in interface AtomsetIterator

size

public int size()

Description copied from interface: AtomsetIterator

The number of iterates returned by this iterator in its current state.

Specified by:

size in interface AtomsetIterator

unset

public void unset()

Description copied from interface: AtomsetIterator

Puts iterator in a state in which hasNext() returns false.

Specified by:

unset in interface AtomsetIterator

nBody

public int nBody()

Description copied from interface: AtomsetIterator

Returns the number of atoms given in each iterate, i.e., the size of the atom array returned with each call to next().

Specified by:

nBody in interface AtomsetIterator

Returns: