org.apache.hadoop.hive.ql.exec.tez

Class LlapObjectSubCache<T>

java.lang.Object

org.apache.hadoop.hive.ql.exec.tez.LlapObjectSubCache<T>

public class LlapObjectSubCache<T>
extends Object

LlapObjectSubCache. A subcache which lives inside the LlapObjectCache. The subcache maintains two lists 1. List of softreference to the objects 2. List of locks to access the objects.

Constructor Summary

Constructors

Constructor and Description
LlapObjectSubCache(ObjectCache cache, String subCacheKey, int numEntries)

Method Summary

Modifier and Type	Method and Description
T	get(int index)
void	lock(int index)
void	set(T value, int index)
void	unlock(int index)

Methods inherited from class java.lang.Object

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

Constructor Detail

LlapObjectSubCache

public LlapObjectSubCache(ObjectCache cache,
                          String subCacheKey,
                          int numEntries)
                   throws HiveException

Throws:

HiveException

Method Detail

lock

public void lock(int index)

unlock

public void unlock(int index)

get

public T get(int index)

set

public void set(T value,
                int index)