de.lmu.ifi.dbs.elki.database.ids.generic

Class UnmodifiableArrayDBIDs.UnmodifiableDBIDArrayIter

java.lang.Object

de.lmu.ifi.dbs.elki.database.ids.generic.UnmodifiableArrayDBIDs.UnmodifiableDBIDArrayIter

All Implemented Interfaces:

DBIDArrayIter, DBIDIter, DBIDRef, ArrayIter, Iter

Enclosing class:

UnmodifiableArrayDBIDs

 class UnmodifiableArrayDBIDs.UnmodifiableDBIDArrayIter
extends Object
implements DBIDArrayIter

Make an existing DBIDMIter unmodifiable.

Field Summary

Fields

Modifier and Type	Field and Description
private DBIDArrayIter	it Wrapped iterator.

Constructor Summary

Constructors

Constructor and Description
UnmodifiableArrayDBIDs.UnmodifiableDBIDArrayIter(DBIDArrayIter it) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	advance() Moves the iterator forward to the next entry.
void	advance(int count) Moves the iterator forward or backward by the given offset.
int	getOffset() Get current iterator offset.
int	internalGetIndex() Get the internal index.
void	retract() Moves the iterator backward to the previous entry.
void	seek(int off) Moves the iterator to the given position
boolean	valid() Returns true if the iterator currently points to a valid object.

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.lmu.ifi.dbs.elki.database.ids.DBIDRef

equals, hashCode

Field Detail

it

private DBIDArrayIter it

Wrapped iterator.

Constructor Detail

UnmodifiableArrayDBIDs.UnmodifiableDBIDArrayIter

public UnmodifiableArrayDBIDs.UnmodifiableDBIDArrayIter(DBIDArrayIter it)

Constructor.

Parameters:

it - inner iterator

Method Detail

valid

public boolean valid()

Description copied from interface: Iter

Returns true if the iterator currently points to a valid object.

Specified by:

valid in interface Iter

Returns:

a boolean value, whether the position is valid.

advance

public void advance()

Description copied from interface: Iter

Moves the iterator forward to the next entry.

Specified by:

advance in interface Iter

internalGetIndex

public int internalGetIndex()

Description copied from interface: DBIDRef

Get the internal index. NOT FOR PUBLIC USE - ELKI Optimization engine only

Specified by:

internalGetIndex in interface DBIDRef

Returns:

Internal index

advance

public void advance(int count)

Description copied from interface: ArrayIter

Moves the iterator forward or backward by the given offset.

Specified by:

advance in interface ArrayIter

Parameters:

count - offset to move forward or backwards

retract

public void retract()

Description copied from interface: ArrayIter

Moves the iterator backward to the previous entry.

Specified by:

retract in interface ArrayIter

seek

public void seek(int off)

Description copied from interface: ArrayIter

Moves the iterator to the given position

Specified by:

seek in interface ArrayIter

Parameters:

off - Seek offset

getOffset

public int getOffset()

Description copied from interface: ArrayIter

Get current iterator offset.

Specified by:

getOffset in interface ArrayIter

Returns:

Iterator position