com.nhncorp.neptune.tabletserver
Class ValueCollection

java.lang.Object
  com.nhncorp.neptune.tabletserver.ValueCollection

All Implemented Interfaces:

java.util.Iterator<ColumnValue>

public class ValueCollection
extends java.lang.Object
implements java.util.Iterator<ColumnValue>

Cell.Key에 대응하는 값을 가지고 있다. 하나의 Cell.Key에는 여러 버전의 value가 존재하게 된다. 각각의 value는 timestamp를 가지고 있으며 timestamp로 desc 정렬되어 저장된다. 일반적인 조회 요청에는 가장 최근의 데이터를 반환하게 된다.

Author:

babokim

Field Summary

static org.apache.commons.logging.Log

LOG

Constructor Summary

ValueCollection()

Method Summary

void	add(ColumnValue columnValue, int numOfVersion)
void	addAll(ValueCollection collection, int numOfVersion)
void	clear()
static void	copyMapFileColumnValue(ColumnValue columnValue, MapFileColumnValue mapFileColumnValue)
ColumnValue	get()
java.util.List<ColumnValue>	get(CellFilter cellFilter)
ColumnValue[]	get(int numVersion)
int	getByteSize()
java.util.SortedSet<ColumnValue>	getColumnRecords()
ColumnValue	getLast()
int	getValueSize()
boolean	hasNext()
boolean	isDeleted()
static void	main(java.lang.String[] args)
ColumnValue	next()
void	print()
void	remove()
void	setColumnRecords(java.util.SortedSet<ColumnValue> columnValues)
int	write(java.io.DataOutputStream dataOut)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

Constructor Detail

ValueCollection

public ValueCollection()

Method Detail

clear

public void clear()

setColumnRecords

public void setColumnRecords(java.util.SortedSet<ColumnValue> columnValues)

add

public void add(ColumnValue columnValue,
                int numOfVersion)

get

public ColumnValue get()

get

public ColumnValue[] get(int numVersion)

getLast

public ColumnValue getLast()

write

public int write(java.io.DataOutputStream dataOut)
          throws java.io.IOException

Throws:

java.io.IOException

getByteSize

public int getByteSize()
                throws java.io.IOException

Throws:

java.io.IOException

copyMapFileColumnValue

public static void copyMapFileColumnValue(ColumnValue columnValue,
                                          MapFileColumnValue mapFileColumnValue)

addAll

public void addAll(ValueCollection collection,
                   int numOfVersion)

getColumnRecords

public java.util.SortedSet<ColumnValue> getColumnRecords()

getValueSize

public int getValueSize()

print

public void print()

get

public java.util.List<ColumnValue> get(CellFilter cellFilter)

isDeleted

public boolean isDeleted()

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<ColumnValue>

next

public ColumnValue next()

Specified by:

next in interface java.util.Iterator<ColumnValue>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<ColumnValue>

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Throws:

java.io.IOException