96 lines
2.7 KiB
Haxe
Executable File
96 lines
2.7 KiB
Haxe
Executable File
package haxework.net.order;
|
|
|
|
import Lambda;
|
|
import haxework.net.callback.Callback;
|
|
import Type.ValueType;
|
|
import com.abit.umix.prepare.AutoCallback;
|
|
import flash.display.BitmapData;
|
|
import haxework.net.callback.ICallback;
|
|
|
|
typedef Order<T> = {
|
|
var id:String;
|
|
var data:Null<T>;
|
|
var callbacks:Array<ICallback<T>>;
|
|
var clients:Int;
|
|
}
|
|
|
|
class OrderSupplier implements IOrderSupplier {
|
|
|
|
private static inline var TAG:String = "OrderSupplier";
|
|
|
|
private var orders:Map<String, Order<Dynamic>>;
|
|
|
|
public function new() {
|
|
orders = new Map<String, Order<Dynamic>>();
|
|
}
|
|
|
|
public function request<T>(url:String, clazz:Class<T>):ICallback<T> {
|
|
if (orders.exists(url)) {
|
|
var order:Order<T> = orders.get(url);
|
|
order.clients++;
|
|
//L.d(TAG, "Request(" + order.clients + "): " + url);
|
|
if (order.data == null) {
|
|
var callback:ICallback<T> = new Callback<T>();
|
|
order.callbacks.push(callback);
|
|
return callback;
|
|
} else {
|
|
return AutoCallback.success(order.data);
|
|
}
|
|
} else {
|
|
var callback:ICallback<T> = new Callback<T>();
|
|
var order:Order<T> = {
|
|
id:url,
|
|
data:null,
|
|
callbacks:[callback],
|
|
clients:1
|
|
}
|
|
//L.d(TAG, "Request(" + order.clients + "): " + url);
|
|
orders.set(url, order);
|
|
var loader:ILoader<T> = buildLoader(clazz);
|
|
loader.GET(url)
|
|
.success(function(data:T):Void {
|
|
if (orders.exists(url)) {
|
|
var order:Order<T> = orders.get(url);
|
|
order.data = data;
|
|
for (callback in order.callbacks) callback.callSuccess(data);
|
|
order.callbacks = [];
|
|
}
|
|
})
|
|
.fail(function(error:Dynamic):Void {
|
|
if (orders.exists(url)) for (callback in orders.get(url).callbacks) callback.callFail(error);
|
|
orders.remove(url);
|
|
});
|
|
return callback;
|
|
}
|
|
}
|
|
|
|
public function release(url:String):Void {
|
|
if (orders.exists(url)) {
|
|
var order:Order<Dynamic> = orders.get(url);
|
|
if (--order.clients <= 0) {
|
|
var data:Dynamic = order.data;
|
|
if (Std.is(data, BitmapData)) {
|
|
cast(data, BitmapData).dispose();
|
|
}
|
|
orders.remove(url);
|
|
}
|
|
//L.d(TAG, "Release(" + order.clients + "): " + url);
|
|
//log();
|
|
}
|
|
}
|
|
|
|
private function buildLoader<T>(clazz:Class<T>):ILoader<T> {
|
|
var c:Class<Dynamic> = clazz;
|
|
return if (c == BitmapData) {
|
|
untyped new ImageLoader();
|
|
} else {
|
|
throw "Unsupported order: " + c;
|
|
}
|
|
}
|
|
|
|
private function log():Void {
|
|
L.d(TAG, "\n" + Lambda.map(orders, function(order:Order<Dynamic>):String {
|
|
return "(" + order.clients + ") " + order.id;
|
|
}).join("\n"));
|
|
}
|
|
} |