org.apache.cassandra.db.columniterator
Interface IColumnIterator

All Superinterfaces:

java.util.Iterator<IColumn>

All Known Implementing Classes:

AbstractColumnIterator, SimpleAbstractColumnIterator, SSTableIdentityIterator, SSTableNamesIterator, SSTableSliceIterator

public interface IColumnIterator
extends java.util.Iterator<IColumn>

Method Summary

void	close() clean up any open resources
ColumnFamily	getColumnFamily() returns the CF of the column being iterated.
DecoratedKey	getKey()

Methods inherited from interface java.util.Iterator

hasNext, next, remove

Method Detail

getColumnFamily

ColumnFamily getColumnFamily()
                             throws java.io.IOException

returns the CF of the column being iterated. Do not modify the returned CF; clone first. This is guaranteed to be non-null and that the returned CF have the correct metadata (markedForDeleteAt and localDeletionTime). The full CF is however only guaranteed to be available after a call to next() or hasNext().

Throws:

java.io.IOException

getKey

DecoratedKey getKey()

Returns:

the current row key

close

void close()
           throws java.io.IOException

clean up any open resources

Throws:

java.io.IOException