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// **********************************************************************
//
// Copyright (c) 2003-2016 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
const Ice = require("../Ice/LocalException").Ice;
class RetryTask
{
constructor(instance, queue, outAsync, interval)
{
this._instance = instance;
this._queue = queue;
this._outAsync = outAsync;
}
run()
{
this._outAsync.retry();
this._queue.remove(this);
}
destroy()
{
try
{
this._outAsync.abort(new Ice.CommunicatorDestroyedException());
}
catch(ex)
{
// Abort shouldn't throw if there's no callback, ignore.
}
}
asyncRequestCanceled(outAsync, ex)
{
if(this._queue.cancel(this))
{
if(this._instance.traceLevels().retry >= 1)
{
this._instance.initializationData().logger.trace(this._instance.traceLevels().retryCat,
"operation retry canceled\n" + ex.toString());
}
this._outAsync.completedEx(ex);
}
}
}
class RetryQueue
{
constructor(instance)
{
this._instance = instance;
this._requests = [];
}
add(outAsync, interval)
{
if(this._instance === null)
{
throw new Ice.CommunicatorDestroyedException();
}
let task = new RetryTask(this._instance, this, outAsync);
outAsync.cancelable(task); // This will throw if the request is canceled
task.token = this._instance.timer().schedule(() => task.run(), interval);
this._requests.push(task);
}
destroy()
{
this._requests.forEach(request =>
{
this._instance.timer().cancel(request.token);
request.destroy();
});
this._requests = [];
this._instance = null;
}
remove(task)
{
const idx = this._requests.indexOf(task);
if(idx >= 0)
{
this._requests.splice(idx, 1);
}
}
cancel(task)
{
const idx = this._requests.indexOf(task);
if(idx >= 0)
{
this._requests.splice(idx, 1);
return this._instance.timer().cancel(task.token);
}
return false;
}
}
Ice.RetryQueue = RetryQueue;
module.exports.Ice = Ice;
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