Package org.apache.iotdb.db.engine.compaction.cross.rewrite.task

Class ReadPointPerformerSubTask

java.lang.Object

org.apache.iotdb.db.engine.compaction.cross.rewrite.task.ReadPointPerformerSubTask

All Implemented Interfaces:

java.util.concurrent.Callable<java.lang.Void>

public class ReadPointPerformerSubTask
extends java.lang.Object
implements java.util.concurrent.Callable<java.lang.Void>

This class is used to implement reading the measurements and writing to the target files in parallel in the compaction. Currently, it only works for nonAligned data in cross space compaction and unseq inner space compaction.

Constructor Summary

Constructors

Constructor	Description
ReadPointPerformerSubTask(java.lang.String device, java.util.Set<java.lang.String> measurementList, FragmentInstanceContext fragmentInstanceContext, QueryDataSource queryDataSource, AbstractCompactionWriter compactionWriter, java.util.Map<java.lang.String,org.apache.iotdb.tsfile.write.schema.MeasurementSchema> schemaMap, int taskId)

Method Summary

Modifier and Type	Method	Description
java.lang.Void	call()

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadPointPerformerSubTask

public ReadPointPerformerSubTask(java.lang.String device,
                                 java.util.Set<java.lang.String> measurementList,
                                 FragmentInstanceContext fragmentInstanceContext,
                                 QueryDataSource queryDataSource,
                                 AbstractCompactionWriter compactionWriter,
                                 java.util.Map<java.lang.String,org.apache.iotdb.tsfile.write.schema.MeasurementSchema> schemaMap,
                                 int taskId)

Method Detail

call

public java.lang.Void call()
                    throws java.lang.Exception

Specified by:

call in interface java.util.concurrent.Callable<java.lang.Void>

Throws:

java.lang.Exception