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path: root/js/src/Ice/ObjectAdapterFactory.js
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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//

const Ice = require("../Ice/ModuleRegistry").Ice;
Ice._ModuleRegistry.require(module,
    [
        "../Ice/LocalException",
        "../Ice/ObjectAdapterI",
        "../Ice/Promise",
        "../Ice/UUID"
    ]);

const ObjectAdapterI = Ice.ObjectAdapterI;
const _Promise = Ice.Promise;

//
// Only for use by Instance.
//
class ObjectAdapterFactory
{
    constructor(instance, communicator)
    {
        this._instance = instance;
        this._communicator = communicator;
        this._adapters = [];
        this._adapterNamesInUse = [];
        this._shutdownPromise = new _Promise();
    }

    shutdown()
    {
        //
        // Ignore shutdown requests if the object adapter factory has
        // already been shut down.
        //
        if(this._instance === null)
        {
            return this._shutdownPromise;
        }

        this._instance = null;
        this._communicator = null;
        _Promise.all(this._adapters.map(adapter => adapter.deactivate())).then(() => this._shutdownPromise.resolve());
        return this._shutdownPromise;
    }

    waitForShutdown()
    {
        return this._shutdownPromise.then(() => _Promise.all(this._adapters.map(adapter => adapter.waitForDeactivate())));
    }

    isShutdown()
    {
        return this._instance === null;
    }

    destroy()
    {
        return this.waitForShutdown().then(() => _Promise.all(this._adapters.map(adapter => adapter.destroy())));
    }

    createObjectAdapter(name, router, promise)
    {
        if(this._instance === null)
        {
            throw new Ice.ObjectAdapterDeactivatedException();
        }

        let adapter = null;
        try
        {
            if(name.length === 0)
            {
                adapter = new ObjectAdapterI(this._instance, this._communicator, this, Ice.generateUUID(), null, true,
                                             promise);
            }
            else
            {
                if(this._adapterNamesInUse.indexOf(name) !== -1)
                {
                    throw new Ice.AlreadyRegisteredException("object adapter", name);
                }
                adapter = new ObjectAdapterI(this._instance, this._communicator, this, name, router, false, promise);
                this._adapterNamesInUse.push(name);
            }
            this._adapters.push(adapter);
        }
        catch(ex)
        {
            promise.reject(ex);
        }
    }

    removeObjectAdapter(adapter)
    {
        if(this._instance === null)
        {
            return;
        }

        let n = this._adapters.indexOf(adapter);
        if(n !== -1)
        {
            this._adapters.splice(n, 1);
        }

        n = this._adapterNamesInUse.indexOf(adapter.getName());
        if(n !== -1)
        {
            this._adapterNamesInUse.splice(n, 1);
        }
    }
}

Ice.ObjectAdapterFactory = ObjectAdapterFactory;
module.exports.Ice = Ice;