io.druid.collections

Class LoadBalancingPool<T>

java.lang.Object

io.druid.collections.LoadBalancingPool<T>

Type Parameters:

T - type of items to pool

All Implemented Interfaces:

com.google.common.base.Supplier<ResourceHolder<T>>

public class LoadBalancingPool<T>
extends Object
implements com.google.common.base.Supplier<ResourceHolder<T>>

Simple load balancing pool that always returns the least used item. An item's usage is incremented every time one gets requested from the pool and is decremented every time close is called on the holder. The pool eagerly instantiates all the items in the pool when created, using the given supplier.

Constructor Summary

Constructors

Constructor and Description
LoadBalancingPool(int capacity, com.google.common.base.Supplier<T> generator)

Method Summary

Modifier and Type	Method and Description
ResourceHolder<T>	get()

Methods inherited from class java.lang.Object

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

Constructor Detail

LoadBalancingPool

public LoadBalancingPool(int capacity,
                         com.google.common.base.Supplier<T> generator)

Method Detail

get

public ResourceHolder<T> get()

Specified by:

get in interface com.google.common.base.Supplier<ResourceHolder<T>>