org.apache.cassandra.io.sstable

Class ColumnStats

java.lang.Object

org.apache.cassandra.io.sstable.ColumnStats

public class ColumnStats
extends java.lang.Object

ColumnStats holds information about the columns for one row inside sstable

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ColumnStats.MaxTracker<T extends java.lang.Comparable<T>>
static class	ColumnStats.MinTracker<T extends java.lang.Comparable<T>>

Field Summary

Fields

Modifier and Type	Field and Description
int	columnCount how many columns are there in the row
java.util.List<java.nio.ByteBuffer>	maxColumnNames
int	maxLocalDeletionTime
long	maxTimestamp
java.util.List<java.nio.ByteBuffer>	minColumnNames max and min column names according to comparator
long	minTimestamp the largest (client-supplied) timestamp in the row
StreamingHistogram	tombstoneHistogram histogram of tombstone drop time

Constructor Summary

Constructors

Constructor and Description
ColumnStats(int columnCount, long minTimestamp, long maxTimestamp, int maxLocalDeletionTime, StreamingHistogram tombstoneHistogram, java.util.List<java.nio.ByteBuffer> minColumnNames, java.util.List<java.nio.ByteBuffer> maxColumnNames)

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

columnCount

public final int columnCount

how many columns are there in the row

minTimestamp

public final long minTimestamp

the largest (client-supplied) timestamp in the row

maxTimestamp

public final long maxTimestamp

maxLocalDeletionTime

public final int maxLocalDeletionTime

tombstoneHistogram

public final StreamingHistogram tombstoneHistogram

histogram of tombstone drop time

minColumnNames

public final java.util.List<java.nio.ByteBuffer> minColumnNames

max and min column names according to comparator

maxColumnNames

public final java.util.List<java.nio.ByteBuffer> maxColumnNames

Constructor Detail

ColumnStats

public ColumnStats(int columnCount,
           long minTimestamp,
           long maxTimestamp,
           int maxLocalDeletionTime,
           StreamingHistogram tombstoneHistogram,
           java.util.List<java.nio.ByteBuffer> minColumnNames,
           java.util.List<java.nio.ByteBuffer> maxColumnNames)