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document.write("<\/pre>\n");
document.write("			<\/td>\n");
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package com.kalengibbons.singletonPattern.model{\n");
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document.write("	import<\/span> com.kalengibbons.singletonPattern.vo.Product<\/span>;\n");
document.write("	\n");
document.write("	import<\/span> flash.errors.IllegalOperationError;\n");
document.write("	\n");
document.write("	[Bindable]\n");
document.write("	public<\/span> class<\/span> ShoppingCart<\/span><\/span>{\n");
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document.write("		public<\/span> var<\/span> productCount:<\/span>int<\/span> =<\/span> 0<\/span>;\n");
document.write("		public<\/span> var<\/span> productTotal:<\/span>Number<\/span> =<\/span> 0<\/span>;\n");
document.write("		\n");
document.write("		private<\/span> static<\/span> var<\/span> instance:<\/span>ShoppingCart;		\n");
document.write("		private<\/span> var<\/span> productsInCart:<\/span>Array<\/span> =<\/span> [];\n");
document.write("		\n");
document.write("		public<\/span> function<\/span> ShoppingCart<\/span>(enforcer:SingletonEnforcer<\/span>)<\/span>{\n");
document.write("			if<\/span>(instance !<\/span>=<\/span> null<\/span>)\n");
document.write("				throw<\/span> new<\/span> IllegalOperationError("Singleton class cannot instantiate more than one instance."<\/span>);\n");
document.write("		}// end constructor<\/span>\n");
document.write("\n");
document.write("		public<\/span> static<\/span> function<\/span> getInstance<\/span>()<\/span>:<\/span>ShoppingCart{\n");
document.write("			if<\/span>(instance =<\/span>=<\/span> null<\/span>){\n");
document.write("				instance =<\/span> new<\/span> ShoppingCart( new<\/span> SingletonEnforcer() );\n");
document.write("			}\n");
document.write("			\n");
document.write("			return<\/span> instance;\n");
document.write("		}// end getInstance function<\/span>\n");
document.write("		\n");
document.write("		public<\/span> function<\/span> addProduct<\/span>(product:Product<\/span>)<\/span>:<\/span>void<\/span>{\n");
document.write("			productCount+<\/span>+<\/span>;\n");
document.write("			productTotal +<\/span>=<\/span> product.price;\n");
document.write("			productsInCart.push<\/span>(product);\n");
document.write("		}// end addProduct function		<\/span>\n");
document.write("\n");
document.write("	}// end ShoppingCart class<\/span>\n");
document.write("	\n");
document.write("}// end package enclosure<\/span>\n");
document.write("\n");
document.write("class<\/span> SingletonEnforcer<\/span><\/span>{}\n");
document.write("<\/pre><\/pre>\n");
document.write("		<\/td>\n");
document.write("		<\/tr>\n");
document.write("		<\/table>\n");
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document.write("	<\/div>\n");
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document.write("      <\/a>\n");
document.write("    <\/div>\n");
document.write("  \n");
document.write("    Pastie #862699<\/a> linked directly from Pastie<\/a>.\n");
document.write("  <\/div><\/div>");