org.apache.cassandra.io.sstable

Class SSTableWriter

java.lang.Object

org.apache.cassandra.io.sstable.SSTable

org.apache.cassandra.io.sstable.SSTableWriter

public class SSTableWriter
extends SSTable

Field Summary

Fields

Modifier and Type	Field and Description
static int	END_OF_ROW

Fields inherited from class org.apache.cassandra.io.sstable.SSTable

COMPONENT_DATA, COMPONENT_DIGEST, COMPONENT_FILTER, COMPONENT_INDEX, COMPONENT_STATS, components, compression, descriptor, first, last, maxTimestampComparator, metadata, partitioner, sstableComparator, sstableOrdering, TEMPFILE_MARKER, TOMBSTONE_HISTOGRAM_BIN_SIZE

Constructor Summary

Constructors

Constructor and Description
SSTableWriter(java.lang.String filename, long keyCount)
SSTableWriter(java.lang.String filename, long keyCount, CFMetaData metadata, IPartitioner<?> partitioner, SSTableMetadata.Collector sstableMetadataCollector)

Method Summary

Methods

Modifier and Type	Method and Description
void	abort() After failure, attempt to close the index writer and data file before deleting all temp components for the sstable
RowIndexEntry	append(AbstractCompactedRow row)
void	append(DecoratedKey decoratedKey, ColumnFamily cf)
long	appendFromStream(DecoratedKey key, CFMetaData metadata, java.io.DataInput in, Descriptor.Version version)
SSTableReader	closeAndOpenReader()
SSTableReader	closeAndOpenReader(long maxDataAge)
long	getFilePointer()
long	getOnDiskFilePointer()
void	mark()
static RowIndexEntry	rawAppend(ColumnFamily cf, long startPosition, DecoratedKey key, java.io.DataOutput out)
static void	rename(Descriptor tmpdesc, Descriptor newdesc, java.util.Set<Component> components)
void	resetAndTruncate()

Methods inherited from class org.apache.cassandra.io.sstable.SSTable

addComponents, appendTOC, bytesOnDisk, delete, getColumnFamilyName, getFilename, getIndexFilename, getKeyspaceName, getMinimalKey, getTotalBytes, readTOC, toString, tryComponentFromFilename

Methods inherited from class java.lang.Object

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

Field Detail

END_OF_ROW

public static final int END_OF_ROW

See Also:

Constant Field Values

Constructor Detail

SSTableWriter

public SSTableWriter(java.lang.String filename,
             long keyCount)

SSTableWriter

public SSTableWriter(java.lang.String filename,
             long keyCount,
             CFMetaData metadata,
             IPartitioner<?> partitioner,
             SSTableMetadata.Collector sstableMetadataCollector)

Method Detail

mark

public void mark()

resetAndTruncate

public void resetAndTruncate()

append

public RowIndexEntry append(AbstractCompactedRow row)

Parameters:

row -

Returns:

null if the row was compacted away entirely; otherwise, the PK index entry for this row

append

public void append(DecoratedKey decoratedKey,
          ColumnFamily cf)

rawAppend

public static RowIndexEntry rawAppend(ColumnFamily cf,
                      long startPosition,
                      DecoratedKey key,
                      java.io.DataOutput out)
                               throws java.io.IOException

Throws:

java.io.IOException

appendFromStream

public long appendFromStream(DecoratedKey key,
                    CFMetaData metadata,
                    java.io.DataInput in,
                    Descriptor.Version version)
                      throws java.io.IOException

Throws:

java.io.IOException - if a read from the DataInput fails

FSWriteError - if a write to the dataFile fails

abort

public void abort()

After failure, attempt to close the index writer and data file before deleting all temp components for the sstable

closeAndOpenReader

public SSTableReader closeAndOpenReader()

closeAndOpenReader

public SSTableReader closeAndOpenReader(long maxDataAge)

rename

public static void rename(Descriptor tmpdesc,
          Descriptor newdesc,
          java.util.Set<Component> components)

getFilePointer

public long getFilePointer()

getOnDiskFilePointer

public long getOnDiskFilePointer()