Package org.apache.iotdb.db.engine.memtable

Class AlignedWritableMemChunkGroup

java.lang.Object

org.apache.iotdb.db.engine.memtable.AlignedWritableMemChunkGroup

All Implemented Interfaces:

IWritableMemChunkGroup, SerializedSize, WALEntryValue

public class AlignedWritableMemChunkGroup
extends java.lang.Object
implements IWritableMemChunkGroup

Constructor Summary

Constructors

Constructor	Description
AlignedWritableMemChunkGroup(java.util.List<org.apache.iotdb.tsfile.write.schema.IMeasurementSchema> schemaList)

Method Summary

Modifier and Type	Method	Description
boolean	contains(java.lang.String measurement)	Check whether this MemChunkGroup contains a measurement.
long	count()
int	delete(org.apache.iotdb.commons.path.PartialPath originalPath, org.apache.iotdb.commons.path.PartialPath devicePath, long startTimestamp, long endTimestamp)
static AlignedWritableMemChunkGroup	deserialize(java.io.DataInputStream stream)
AlignedWritableMemChunk	getAlignedMemChunk()
long	getCurrentTVListSize(java.lang.String measurement)
java.util.Map<java.lang.String,IWritableMemChunk>	getMemChunkMap()
void	release()
int	serializedSize()	Calculate size after serialization.
void	serializeToWAL(IWALByteBufferView buffer)	Serialize using IWALByteBufferView, which encapsulates some actions to deal with BufferOverflowException occurs in ByteBuffer.
void	write(long insertTime, java.lang.Object[] objectValue, java.util.List<org.apache.iotdb.tsfile.write.schema.IMeasurementSchema> schemaList)
void	writeValues(long[] times, java.lang.Object[] columns, org.apache.iotdb.tsfile.utils.BitMap[] bitMaps, java.util.List<org.apache.iotdb.tsfile.write.schema.IMeasurementSchema> schemaList, int start, int end)

Methods inherited from class java.lang.Object

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

Constructor Detail

AlignedWritableMemChunkGroup

public AlignedWritableMemChunkGroup(java.util.List<org.apache.iotdb.tsfile.write.schema.IMeasurementSchema> schemaList)

Method Detail

writeValues

public void writeValues(long[] times,
                        java.lang.Object[] columns,
                        org.apache.iotdb.tsfile.utils.BitMap[] bitMaps,
                        java.util.List<org.apache.iotdb.tsfile.write.schema.IMeasurementSchema> schemaList,
                        int start,
                        int end)

Specified by:

writeValues in interface IWritableMemChunkGroup

release

public void release()

Specified by:

release in interface IWritableMemChunkGroup

count

public long count()

Specified by:

count in interface IWritableMemChunkGroup

contains

public boolean contains(java.lang.String measurement)

Check whether this MemChunkGroup contains a measurement. If a VECTOR_PLACEHOLDER passed from outer, always return true because AlignedMemChunkGroup existing.

Specified by:

contains in interface IWritableMemChunkGroup

write

public void write(long insertTime,
                  java.lang.Object[] objectValue,
                  java.util.List<org.apache.iotdb.tsfile.write.schema.IMeasurementSchema> schemaList)

Specified by:

write in interface IWritableMemChunkGroup

getMemChunkMap

public java.util.Map<java.lang.String,IWritableMemChunk> getMemChunkMap()

Specified by:

getMemChunkMap in interface IWritableMemChunkGroup

delete

public int delete(org.apache.iotdb.commons.path.PartialPath originalPath,
                  org.apache.iotdb.commons.path.PartialPath devicePath,
                  long startTimestamp,
                  long endTimestamp)

Specified by:

delete in interface IWritableMemChunkGroup

getCurrentTVListSize

public long getCurrentTVListSize(java.lang.String measurement)

Specified by:

getCurrentTVListSize in interface IWritableMemChunkGroup

getAlignedMemChunk

public AlignedWritableMemChunk getAlignedMemChunk()

serializedSize

public int serializedSize()

Description copied from interface: SerializedSize

Calculate size after serialization.

Specified by:

serializedSize in interface SerializedSize

Returns:

bytes number

serializeToWAL

public void serializeToWAL(IWALByteBufferView buffer)

Description copied from interface: WALEntryValue

Serialize using IWALByteBufferView, which encapsulates some actions to deal with BufferOverflowException occurs in ByteBuffer.

Specified by:

serializeToWAL in interface WALEntryValue

deserialize

public static AlignedWritableMemChunkGroup deserialize(java.io.DataInputStream stream)
                                                throws java.io.IOException

Throws:

java.io.IOException