org.apache.cassandra.db

Class AbstractClusteringPrefix

java.lang.Object

org.apache.cassandra.db.AbstractClusteringPrefix

All Implemented Interfaces:

IMeasurableMemory, Clusterable, ClusteringPrefix

Direct Known Subclasses:

AbstractBufferClusteringPrefix, NativeClustering

public abstract class AbstractClusteringPrefix
extends java.lang.Object
implements ClusteringPrefix

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.cassandra.db.ClusteringPrefix

ClusteringPrefix.Deserializer, ClusteringPrefix.Kind, ClusteringPrefix.Serializer

Field Summary

Fields inherited from interface org.apache.cassandra.db.ClusteringPrefix

serializer

Constructor Summary

Constructors

Constructor and Description
AbstractClusteringPrefix()

Method Summary

Modifier and Type	Method and Description
ClusteringPrefix	clustering()
int	dataSize() The size of the data hold by this prefix.
void	digest(com.google.common.hash.Hasher hasher) Adds the data of this clustering prefix to the provided Hasher instance.
boolean	equals(java.lang.Object o)
int	hashCode()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cassandra.db.ClusteringPrefix

get, getRawValues, kind, serializeAsPartitionKey, size, toString

Methods inherited from interface org.apache.cassandra.cache.IMeasurableMemory

unsharedHeapSize

Constructor Detail

AbstractClusteringPrefix

public AbstractClusteringPrefix()

Method Detail

clustering

public ClusteringPrefix clustering()

Specified by:

clustering in interface Clusterable

dataSize

public int dataSize()

Description copied from interface: ClusteringPrefix

The size of the data hold by this prefix.

Specified by:

dataSize in interface ClusteringPrefix

Returns:

the size of the data hold by this prefix (this is not the size of the object in memory, just the size of the data it stores).

digest

public void digest(com.google.common.hash.Hasher hasher)

Description copied from interface: ClusteringPrefix

Adds the data of this clustering prefix to the provided Hasher instance.

Specified by:

digest in interface ClusteringPrefix

Parameters:

hasher - the Hasher instance to which to add this prefix.

hashCode

public final int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public final boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object