org.apache.cassandra.io.sstable.metadata

Class CompactionMetadata

java.lang.Object

org.apache.cassandra.io.sstable.metadata.MetadataComponent

org.apache.cassandra.io.sstable.metadata.CompactionMetadata

All Implemented Interfaces:

java.lang.Comparable<MetadataComponent>

public class CompactionMetadata
extends MetadataComponent

Compaction related SSTable metadata. Only loaded for compacting SSTables at the time of compaction.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CompactionMetadata.CompactionMetadataSerializer

Field Summary

Fields

Modifier and Type	Field and Description
java.util.Set<java.lang.Integer>	ancestors
com.clearspring.analytics.stream.cardinality.ICardinality	cardinalityEstimator
static IMetadataComponentSerializer	serializer

Constructor Summary

Constructors

Constructor and Description
CompactionMetadata(java.util.Set<java.lang.Integer> ancestors, com.clearspring.analytics.stream.cardinality.ICardinality cardinalityEstimator)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
MetadataType	getType()
int	hashCode()

Methods inherited from class org.apache.cassandra.io.sstable.metadata.MetadataComponent

compareTo

Methods inherited from class java.lang.Object

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

Field Detail

serializer

public static final IMetadataComponentSerializer serializer

ancestors

public final java.util.Set<java.lang.Integer> ancestors

cardinalityEstimator

public final com.clearspring.analytics.stream.cardinality.ICardinality cardinalityEstimator

Constructor Detail

CompactionMetadata

public CompactionMetadata(java.util.Set<java.lang.Integer> ancestors,
                          com.clearspring.analytics.stream.cardinality.ICardinality cardinalityEstimator)

Method Detail

getType

public MetadataType getType()

Specified by:

getType in class MetadataComponent

Returns:

Metadata component type

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object