Package org.apache.cassandra.io.sstable.format

Class SSTableScanner.BaseKeyScanningIterator

java.lang.Object

org.apache.cassandra.utils.AbstractIterator<UnfilteredRowIterator>

org.apache.cassandra.io.sstable.format.SSTableScanner.BaseKeyScanningIterator

All Implemented Interfaces:

com.google.common.collect.PeekingIterator<UnfilteredRowIterator>, AutoCloseable, Iterator<UnfilteredRowIterator>, CloseableIterator<UnfilteredRowIterator>

Direct Known Subclasses:

BigTableScanner.BigScanningIterator, BtiTableScanner.BtiScanningIterator

Enclosing class:

SSTableScanner<S extends SSTableReader,E extends AbstractRowIndexEntry,I extends SSTableScanner<S,E,I>.BaseKeyScanningIterator>

public abstract class SSTableScanner.BaseKeyScanningIterator
extends AbstractIterator<UnfilteredRowIterator>

Field Summary

Fields

Modifier and Type	Field	Description
protected E	currentEntry
protected DecoratedKey	currentKey

Constructor Summary

Constructors

Constructor	Description
BaseKeyScanningIterator()

Method Summary

Modifier and Type	Method	Description
protected UnfilteredRowIterator	computeNext()
protected abstract UnfilteredRowIterator	getRowIterator(E indexEntry, DecoratedKey key)
protected abstract boolean	prepareToIterateRow()

Methods inherited from class org.apache.cassandra.utils.AbstractIterator

close, endOfData, hasNext, next, peek, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Details

currentKey

protected DecoratedKey currentKey

currentEntry

protected E extends AbstractRowIndexEntry currentEntry

Constructor Details

BaseKeyScanningIterator

public BaseKeyScanningIterator()

Method Details

prepareToIterateRow

protected abstract boolean prepareToIterateRow()
                                        throws IOException

Throws:

IOException

getRowIterator

protected abstract UnfilteredRowIterator getRowIterator(E indexEntry,
 DecoratedKey key)
                                                 throws IOException

Throws:

IOException

computeNext

protected UnfilteredRowIterator computeNext()

Specified by:

computeNext in class AbstractIterator<UnfilteredRowIterator>