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

Class AbstractOpBlock

java.lang.Object

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

All Implemented Interfaces:

java.lang.Comparable<AbstractOpBlock>

Direct Known Subclasses:

DeletionOpBlock, TsFileOpBlock

public abstract class AbstractOpBlock
extends java.lang.Object
implements java.lang.Comparable<AbstractOpBlock>

This abstract class is used to manage PIPE operation block

Field Summary

Fields

Modifier and Type	Field	Description
protected long	beginIndex
protected long	dataCount
protected java.lang.String	storageGroup

Constructor Summary

Constructors

Constructor	Description
AbstractOpBlock(java.lang.String storageGroupName, long pipeDataSerialNumber, long beginIndex)

Method Summary

Modifier and Type	Method	Description
void	close()	release current class' resource
int	compareTo(AbstractOpBlock o)
long	getBeginIndex()
long	getDataCount()
long	getNextIndex()	return the BeginIndex of next SrcEntry
abstract Operation	getOperation(long index, long length)	Get data from data src
long	getPipeDataSerialNumber()
java.lang.String	getStorageGroup()
boolean	isClosed()
void	setBeginIndex(long beginIndex)
void	setPipeDataSerialNumber(long pipeDataSerialNumber)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

storageGroup

protected java.lang.String storageGroup

beginIndex

protected long beginIndex

dataCount

protected long dataCount

Constructor Detail

AbstractOpBlock

public AbstractOpBlock(java.lang.String storageGroupName,
                       long pipeDataSerialNumber,
                       long beginIndex)

Method Detail

getStorageGroup

public java.lang.String getStorageGroup()

getDataCount

public long getDataCount()

setBeginIndex

public void setBeginIndex(long beginIndex)

getBeginIndex

public long getBeginIndex()

getNextIndex

public long getNextIndex()

return the BeginIndex of next SrcEntry

Returns:

compareTo

public int compareTo(AbstractOpBlock o)

Specified by:

compareTo in interface java.lang.Comparable<AbstractOpBlock>

getOperation

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

Get data from data src

Parameters:

index -

length -

Returns:

Throws:

java.io.IOException

close

public void close()

release current class' resource

isClosed

public boolean isClosed()

getPipeDataSerialNumber

public long getPipeDataSerialNumber()

setPipeDataSerialNumber

public void setPipeDataSerialNumber(long pipeDataSerialNumber)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object