Package org.apache.iotdb.db.sync.datasource

Class DeletionOpBlock

java.lang.Object

org.apache.iotdb.db.sync.datasource.AbstractOpBlock

org.apache.iotdb.db.sync.datasource.DeletionOpBlock

All Implemented Interfaces:

java.lang.Comparable<AbstractOpBlock>

public class DeletionOpBlock
extends AbstractOpBlock

This class covert 1 deletion action to 1 operation block.

Field Summary

Fields inherited from class org.apache.iotdb.db.sync.datasource.AbstractOpBlock

beginIndex, dataCount, storageGroup

Constructor Summary

Constructors

Constructor	Description
DeletionOpBlock(java.lang.String sg, org.apache.iotdb.commons.path.PartialPath deletePath, long startTime, long endTime, long pipeDataSerialNumber)
DeletionOpBlock(java.lang.String sg, org.apache.iotdb.commons.path.PartialPath deletePath, long startTime, long endTime, long pipeDataSerialNumber, long beginIndex)

Method Summary

Modifier and Type	Method	Description
void	close()	release the current class object's resource
Operation	getOperation(long index, long length)	Get 1 Operation that contain needed data.
java.lang.String	toString()

Methods inherited from class org.apache.iotdb.db.sync.datasource.AbstractOpBlock

compareTo, getBeginIndex, getDataCount, getNextIndex, getPipeDataSerialNumber, getStorageGroup, isClosed, setBeginIndex, setPipeDataSerialNumber

Methods inherited from class java.lang.Object

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

Constructor Detail

DeletionOpBlock

public DeletionOpBlock(java.lang.String sg,
                       org.apache.iotdb.commons.path.PartialPath deletePath,
                       long startTime,
                       long endTime,
                       long pipeDataSerialNumber)

DeletionOpBlock

public DeletionOpBlock(java.lang.String sg,
                       org.apache.iotdb.commons.path.PartialPath deletePath,
                       long startTime,
                       long endTime,
                       long pipeDataSerialNumber,
                       long beginIndex)

Method Detail

getOperation

public Operation getOperation(long index,
                              long length)
                       throws java.io.IOException

Get 1 Operation that contain needed data.

Note:

1) Expected data range is [index, index+length)

2) Real returned data length can less than input parameter length. In fact, returned data's range should always be [index, index+1)

Specified by:

getOperation in class AbstractOpBlock

Parameters:

index -

length -

Returns:

Throws:

java.io.IOException

close

public void close()

release the current class object's resource

Overrides:

close in class AbstractOpBlock

toString

public java.lang.String toString()

Overrides:

toString in class AbstractOpBlock