Package elki.database.ids.integer
Class UnmodifiableIntegerArrayDBIDs.Itr
- java.lang.Object
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- elki.database.ids.integer.UnmodifiableIntegerArrayDBIDs.Itr
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- All Implemented Interfaces:
DBIDArrayIter
,DBIDIter
,DBIDRef
,IntegerDBIDArrayIter
,IntegerDBIDIter
,IntegerDBIDRef
,ArrayIter
,Iter
- Enclosing class:
- UnmodifiableIntegerArrayDBIDs
private static class UnmodifiableIntegerArrayDBIDs.Itr extends java.lang.Object implements IntegerDBIDArrayIter
Make an existing DBIDMIter unmodifiable.- Author:
- Erich Schubert
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Field Summary
Fields Modifier and Type Field Description private IntegerDBIDArrayIter
it
Wrapped iterator.
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Constructor Summary
Constructors Constructor Description Itr(IntegerDBIDArrayIter it)
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description DBIDArrayIter
advance()
Moves the iterator forward to the next entry.DBIDArrayIter
advance(int count)
Moves the iterator forward or backward by the given offset.int
getOffset()
Get current iterator offset.int
internalGetIndex()
Return the integer value of the object ID.DBIDArrayIter
retract()
Moves the iterator backward to the previous entry.DBIDArrayIter
seek(int off)
Moves the iterator to the given positionjava.lang.String
toString()
boolean
valid()
Returns true if the iterator currently points to a valid object.
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Field Detail
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it
private IntegerDBIDArrayIter it
Wrapped iterator.
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Constructor Detail
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Itr
public Itr(IntegerDBIDArrayIter it)
Constructor.- Parameters:
it
- inner iterator
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Method Detail
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valid
public boolean valid()
Description copied from interface:Iter
Returns true if the iterator currently points to a valid object.
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advance
public DBIDArrayIter advance()
Description copied from interface:Iter
Moves the iterator forward to the next entry.
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advance
public DBIDArrayIter advance(int count)
Description copied from interface:ArrayIter
Moves the iterator forward or backward by the given offset.- Specified by:
advance
in interfaceArrayIter
- Specified by:
advance
in interfaceDBIDArrayIter
- Parameters:
count
- offset to move forward or backwards- Returns:
- Iterator
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retract
public DBIDArrayIter retract()
Description copied from interface:ArrayIter
Moves the iterator backward to the previous entry.- Specified by:
retract
in interfaceArrayIter
- Specified by:
retract
in interfaceDBIDArrayIter
- Returns:
- Iterator
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seek
public DBIDArrayIter seek(int off)
Description copied from interface:ArrayIter
Moves the iterator to the given position- Specified by:
seek
in interfaceArrayIter
- Specified by:
seek
in interfaceDBIDArrayIter
- Parameters:
off
- Seek offset- Returns:
- Iterator
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getOffset
public int getOffset()
Description copied from interface:ArrayIter
Get current iterator offset.
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internalGetIndex
public int internalGetIndex()
Description copied from interface:IntegerDBIDRef
Return the integer value of the object ID.- Specified by:
internalGetIndex
in interfaceDBIDRef
- Specified by:
internalGetIndex
in interfaceIntegerDBIDRef
- Returns:
- integer id
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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