org.apache.iotdb.db.engine.compaction.writer

类 AbstractCompactionWriter

java.lang.Object

org.apache.iotdb.db.engine.compaction.writer.AbstractCompactionWriter

所有已实现的接口:

AutoCloseable

直接已知子类:

CrossSpaceCompactionWriter, InnerSpaceCompactionWriter

public abstract class AbstractCompactionWriter
extends Object
implements AutoCloseable

字段概要

字段

限定符和类型	字段和说明
protected IChunkWriter[]	chunkWriters
protected String	deviceId
protected boolean	isAlign
protected int[]	measurementPointCountArray
protected static int	subTaskNum

构造器概要

构造器

构造器和说明
AbstractCompactionWriter()

方法概要

限定符和类型	方法和说明
protected boolean	checkChunkSize(int subTaskId)
protected void	checkChunkSizeAndMayOpenANewChunk(TsFileIOWriter fileWriter, int subTaskId)
abstract void	close()
abstract void	endChunkGroup()
abstract void	endFile()
abstract void	endMeasurement(int subTaskId)
protected void	flushChunkToFileWriter(TsFileIOWriter targetWriter, int subTaskId)
abstract List<TsFileIOWriter>	getFileIOWriter()
abstract void	startChunkGroup(String deviceId, boolean isAlign)
void	startMeasurement(List<IMeasurementSchema> measurementSchemaList, int subTaskId)
abstract void	write(long[] timestamps, Object values)
abstract void	write(long timestamp, Object value, int subTaskId)
protected void	writeDataPoint(Long timestamp, Object value, int subTaskId)
protected void	writeRateLimit(long bytesLength)

从类继承的方法 java.lang.Object

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

字段详细资料

subTaskNum

protected static final int subTaskNum

chunkWriters

protected IChunkWriter[] chunkWriters

isAlign

protected boolean isAlign

deviceId

protected String deviceId

measurementPointCountArray

protected int[] measurementPointCountArray

构造器详细资料

AbstractCompactionWriter

public AbstractCompactionWriter()

方法详细资料

startChunkGroup

public abstract void startChunkGroup(String deviceId,
                                     boolean isAlign)
                              throws IOException

抛出:

IOException

endChunkGroup

public abstract void endChunkGroup()
                            throws IOException

抛出:

IOException

startMeasurement

public void startMeasurement(List<IMeasurementSchema> measurementSchemaList,
                             int subTaskId)

endMeasurement

public abstract void endMeasurement(int subTaskId)
                             throws IOException

抛出:

IOException

write

public abstract void write(long timestamp,
                           Object value,
                           int subTaskId)
                    throws IOException

抛出:

IOException

write

public abstract void write(long[] timestamps,
                           Object values)

endFile

public abstract void endFile()
                      throws IOException

抛出:

IOException

close

public abstract void close()
                    throws IOException

指定者:

close 在接口中 AutoCloseable

抛出:

IOException

writeDataPoint

protected void writeDataPoint(Long timestamp,
                              Object value,
                              int subTaskId)

flushChunkToFileWriter

protected void flushChunkToFileWriter(TsFileIOWriter targetWriter,
                                      int subTaskId)
                               throws IOException

抛出:

IOException

checkChunkSizeAndMayOpenANewChunk

protected void checkChunkSizeAndMayOpenANewChunk(TsFileIOWriter fileWriter,
                                                 int subTaskId)
                                          throws IOException

抛出:

IOException

checkChunkSize

protected boolean checkChunkSize(int subTaskId)

writeRateLimit

protected void writeRateLimit(long bytesLength)

getFileIOWriter

public abstract List<TsFileIOWriter> getFileIOWriter()