"use strict"; 
var invariant = require('invariant'); 
var oneArgumentPooler = function (copyFieldsFrom){ 
var Klass = this; 
if (Klass.instancePool.length) { 
var instance = Klass.instancePool.pop(); 
Klass.call(instance, copyFieldsFrom); 
return instance; 
} 
 else { 
return new Klass(copyFieldsFrom); 
} 
} 
; 
var twoArgumentPooler = function (a1, a2){ 
var Klass = this; 
if (Klass.instancePool.length) { 
var instance = Klass.instancePool.pop(); 
Klass.call(instance, a1, a2); 
return instance; 
} 
 else { 
return new Klass(a1, a2); 
} 
} 
; 
var threeArgumentPooler = function (a1, a2, a3){ 
var Klass = this; 
if (Klass.instancePool.length) { 
var instance = Klass.instancePool.pop(); 
Klass.call(instance, a1, a2, a3); 
return instance; 
} 
 else { 
return new Klass(a1, a2, a3); 
} 
} 
; 
var fiveArgumentPooler = function (a1, a2, a3, a4, a5){ 
var Klass = this; 
if (Klass.instancePool.length) { 
var instance = Klass.instancePool.pop(); 
Klass.call(instance, a1, a2, a3, a4, a5); 
return instance; 
} 
 else { 
return new Klass(a1, a2, a3, a4, a5); 
} 
} 
; 
var standardReleaser = function (instance){ 
var Klass = this; 
invariant(instance instanceof Klass, 'Trying to release an instance into a pool of a different type.'); 
if (instance.destructor) { 
instance.destructor(); 
} 
if (_AN_Read_length('length', Klass.instancePool) < Klass.poolSize) { 
Klass.instancePool.push(instance); 
} 
} 
; 
var DEFAULT_POOL_SIZE = 10; 
var DEFAULT_POOLER = oneArgumentPooler; 
var addPoolingTo = function (CopyConstructor, pooler){ 
var NewKlass = CopyConstructor; 
NewKlass.instancePool = [] ; 
NewKlass.getPooled = pooler || DEFAULT_POOLER; 
if (!NewKlass.poolSize) { 
NewKlass.poolSize = DEFAULT_POOL_SIZE; 
} 
NewKlass.release = standardReleaser; 
return NewKlass; 
} 
; 
var PooledClass = { 
addPoolingTo: addPoolingTo,
oneArgumentPooler: oneArgumentPooler,
twoArgumentPooler: twoArgumentPooler,
threeArgumentPooler: threeArgumentPooler,
fiveArgumentPooler: fiveArgumentPooler}
; 
module.exports = PooledClass;