Package org.apache.iotdb.db.engine.compaction.performer.impl

Class ReadPointCompactionPerformer

java.lang.Object

org.apache.iotdb.db.engine.compaction.performer.impl.ReadPointCompactionPerformer

All Implemented Interfaces:

ICompactionPerformer, ICrossCompactionPerformer, IUnseqCompactionPerformer

public class ReadPointCompactionPerformer
extends java.lang.Object
implements ICrossCompactionPerformer, IUnseqCompactionPerformer

Constructor Summary

Constructors

Constructor	Description
ReadPointCompactionPerformer()
ReadPointCompactionPerformer(java.util.List<TsFileResource> seqFiles, java.util.List<TsFileResource> unseqFiles)
ReadPointCompactionPerformer(java.util.List<TsFileResource> seqFiles, java.util.List<TsFileResource> unseqFiles, java.util.List<TsFileResource> targetFiles)

Method Summary

Modifier and Type	Method	Description
static IDataBlockReader	constructReader(java.lang.String deviceId, java.util.List<java.lang.String> measurementIds, java.util.List<org.apache.iotdb.tsfile.write.schema.IMeasurementSchema> measurementSchemas, java.util.Set<java.lang.String> allSensors, FragmentInstanceContext fragmentInstanceContext, QueryDataSource queryDataSource, boolean isAlign)
void	perform()
void	setSourceFiles(java.util.List<TsFileResource> unseqFiles)
void	setSourceFiles(java.util.List<TsFileResource> seqFiles, java.util.List<TsFileResource> unseqFiles)
void	setSummary(CompactionTaskSummary summary)
void	setTargetFiles(java.util.List<TsFileResource> targetFiles)
static void	writeWithReader(AbstractCompactionWriter writer, IDataBlockReader reader, int subTaskId, boolean isAligned)

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadPointCompactionPerformer

public ReadPointCompactionPerformer(java.util.List<TsFileResource> seqFiles,
                                    java.util.List<TsFileResource> unseqFiles,
                                    java.util.List<TsFileResource> targetFiles)

ReadPointCompactionPerformer

public ReadPointCompactionPerformer(java.util.List<TsFileResource> seqFiles,
                                    java.util.List<TsFileResource> unseqFiles)

ReadPointCompactionPerformer

public ReadPointCompactionPerformer()

Method Detail

perform

public void perform()
             throws java.io.IOException,
                    org.apache.iotdb.commons.exception.MetadataException,
                    StorageEngineException,
                    java.lang.InterruptedException

Specified by:

perform in interface ICompactionPerformer

Throws:

java.io.IOException

org.apache.iotdb.commons.exception.MetadataException

StorageEngineException

java.lang.InterruptedException

setTargetFiles

public void setTargetFiles(java.util.List<TsFileResource> targetFiles)

Specified by:

setTargetFiles in interface ICompactionPerformer

setSummary

public void setSummary(CompactionTaskSummary summary)

Specified by:

setSummary in interface ICompactionPerformer

constructReader

public static IDataBlockReader constructReader(java.lang.String deviceId,
                                               java.util.List<java.lang.String> measurementIds,
                                               java.util.List<org.apache.iotdb.tsfile.write.schema.IMeasurementSchema> measurementSchemas,
                                               java.util.Set<java.lang.String> allSensors,
                                               FragmentInstanceContext fragmentInstanceContext,
                                               QueryDataSource queryDataSource,
                                               boolean isAlign)
                                        throws org.apache.iotdb.commons.exception.IllegalPathException

Parameters:

measurementIds - if device is aligned, then measurementIds contain all measurements. If device is not aligned, then measurementIds only contain one measurement.

Throws:

org.apache.iotdb.commons.exception.IllegalPathException

writeWithReader

public static void writeWithReader(AbstractCompactionWriter writer,
                                   IDataBlockReader reader,
                                   int subTaskId,
                                   boolean isAligned)
                            throws java.io.IOException

Throws:

java.io.IOException

setSourceFiles

public void setSourceFiles(java.util.List<TsFileResource> seqFiles,
                           java.util.List<TsFileResource> unseqFiles)

Specified by:

setSourceFiles in interface ICompactionPerformer

Specified by:

setSourceFiles in interface ICrossCompactionPerformer

setSourceFiles

public void setSourceFiles(java.util.List<TsFileResource> unseqFiles)

Specified by:

setSourceFiles in interface ICompactionPerformer

Specified by:

setSourceFiles in interface IUnseqCompactionPerformer