Package org.apache.cassandra.index.sasi.disk

Class OnDiskIndexBuilder

java.lang.Object

org.apache.cassandra.index.sasi.disk.OnDiskIndexBuilder

public class OnDiskIndexBuilder
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	OnDiskIndexBuilder.Mode
static enum	OnDiskIndexBuilder.TermSize

Field Summary

Fields

Modifier and Type	Field	Description
static final int	BLOCK_SIZE
static final int	IS_PARTIAL_BIT
static final int	MAX_TERM_SIZE
static final int	SUPER_BLOCK_SIZE

Constructor Summary

Constructors

Constructor	Description
OnDiskIndexBuilder(AbstractType<?> keyComparator, AbstractType<?> comparator, OnDiskIndexBuilder.Mode mode)
OnDiskIndexBuilder(AbstractType<?> keyComparator, AbstractType<?> comparator, OnDiskIndexBuilder.Mode mode, boolean marksPartials)

Method Summary

Modifier and Type	Method	Description
OnDiskIndexBuilder	add(ByteBuffer term, DecoratedKey key, long keyPosition)
protected static void	alignToBlock(SequentialWriter out)
long	estimatedMemoryUse()
protected boolean	finish(Descriptor descriptor, File file)
protected void	finish(Descriptor descriptor, Pair<ByteBuffer,ByteBuffer> range, File file, TermIterator terms)
boolean	finish(File indexFile)	Finishes up index building process by creating/populating index file.
void	finish(Pair<ByteBuffer,ByteBuffer> range, File file, TermIterator terms)
boolean	isEmpty()

Methods inherited from class java.lang.Object

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

Field Details

BLOCK_SIZE

public static final int BLOCK_SIZE

See Also:

• Constant Field Values

MAX_TERM_SIZE

public static final int MAX_TERM_SIZE

See Also:

• Constant Field Values

SUPER_BLOCK_SIZE

public static final int SUPER_BLOCK_SIZE

See Also:

• Constant Field Values

IS_PARTIAL_BIT

public static final int IS_PARTIAL_BIT

See Also:

• Constant Field Values

Constructor Details

OnDiskIndexBuilder

public OnDiskIndexBuilder(AbstractType<?> keyComparator,
 AbstractType<?> comparator,
 OnDiskIndexBuilder.Mode mode)

OnDiskIndexBuilder

public OnDiskIndexBuilder(AbstractType<?> keyComparator,
 AbstractType<?> comparator,
 OnDiskIndexBuilder.Mode mode,
 boolean marksPartials)

Method Details

add

public OnDiskIndexBuilder add(ByteBuffer term,
 DecoratedKey key,
 long keyPosition)

estimatedMemoryUse

public long estimatedMemoryUse()

isEmpty

public boolean isEmpty()

finish

public void finish(Pair<ByteBuffer,ByteBuffer> range,
 File file,
 TermIterator terms)

finish

public boolean finish(File indexFile)
               throws FSWriteError

Finishes up index building process by creating/populating index file.

Parameters:

indexFile - The file to write index contents to.

Returns:

true if index was written successfully, false otherwise (e.g. if index was empty).

Throws:

FSWriteError - on I/O error.

finish

protected boolean finish(Descriptor descriptor,
 File file)
                  throws FSWriteError

Throws:

FSWriteError

finish

protected void finish(Descriptor descriptor,
 Pair<ByteBuffer,ByteBuffer> range,
 File file,
 TermIterator terms)

alignToBlock

protected static void alignToBlock(SequentialWriter out)
                            throws IOException

Throws:

IOException