Package org.apache.iotdb.tsfile.file.metadata

Class TsFileMetadata

java.lang.Object

org.apache.iotdb.tsfile.file.metadata.TsFileMetadata

public class TsFileMetadata
extends Object

TSFileMetaData collects all metadata info and saves in its data structure.

Constructor Summary

Constructors

Constructor	Description
TsFileMetadata()

Method Summary

Modifier and Type	Method	Description
int	buildAndSerializeBloomFilter(OutputStream outputStream, Set<Path> paths)	use the given outputStream to serialize bloom filter.
static TsFileMetadata	deserializeFrom(ByteBuffer buffer)	deserialize data from the buffer.
BloomFilter	getBloomFilter()
MetadataIndexNode	getMetadataIndex()
long	getMetaOffset()
int	serializeBloomFilter(OutputStream outputStream, BloomFilter filter)
int	serializeTo(OutputStream outputStream)	use the given outputStream to serialize.
void	setBloomFilter(BloomFilter bloomFilter)
void	setMetadataIndex(MetadataIndexNode metadataIndex)
void	setMetaOffset(long metaOffset)

Methods inherited from class java.lang.Object

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

Constructor Detail

TsFileMetadata

public TsFileMetadata()

Method Detail

deserializeFrom

public static TsFileMetadata deserializeFrom(ByteBuffer buffer)

deserialize data from the buffer.

Parameters:

buffer - -buffer use to deserialize

Returns:

-a instance of TsFileMetaData

getBloomFilter

public BloomFilter getBloomFilter()

setBloomFilter

public void setBloomFilter(BloomFilter bloomFilter)

serializeTo

public int serializeTo(OutputStream outputStream)
                throws IOException

use the given outputStream to serialize.

Parameters:

outputStream - -output stream to determine byte length

Returns:

-byte length

Throws:

IOException - error when operating outputStream

buildAndSerializeBloomFilter

public int buildAndSerializeBloomFilter(OutputStream outputStream,
                                        Set<Path> paths)
                                 throws IOException

use the given outputStream to serialize bloom filter.

Parameters:

outputStream - -output stream to determine byte length

Returns:

-byte length

Throws:

IOException - error when operating outputStream

serializeBloomFilter

public int serializeBloomFilter(OutputStream outputStream,
                                BloomFilter filter)
                         throws IOException

Throws:

IOException

getMetaOffset

public long getMetaOffset()

setMetaOffset

public void setMetaOffset(long metaOffset)

getMetadataIndex

public MetadataIndexNode getMetadataIndex()

setMetadataIndex

public void setMetadataIndex(MetadataIndexNode metadataIndex)