From e6d0d67fdbe3fc70c996c8df33bd65d3b151dfad Mon Sep 17 00:00:00 2001 From: herbert Date: Sat, 14 Dec 2019 01:05:47 +0100 Subject: update odlux and featureaggregator v2 update odlux and featureaggregator bundles Issue-ID: SDNC-1008 Signed-off-by: herbert Change-Id: I0018d7bfa3a0e6896c1b210b539a574af9808e22 Signed-off-by: herbert --- sdnr/wt/odlux/framework/src/flux/store.ts | 98 +++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 sdnr/wt/odlux/framework/src/flux/store.ts (limited to 'sdnr/wt/odlux/framework/src/flux/store.ts') diff --git a/sdnr/wt/odlux/framework/src/flux/store.ts b/sdnr/wt/odlux/framework/src/flux/store.ts new file mode 100644 index 000000000..dd80ce7ba --- /dev/null +++ b/sdnr/wt/odlux/framework/src/flux/store.ts @@ -0,0 +1,98 @@ +/** + * ============LICENSE_START======================================================================== + * ONAP : ccsdk feature sdnr wt odlux + * ================================================================================================= + * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved. + * ================================================================================================= + * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except + * in compliance with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software distributed under the License + * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express + * or implied. See the License for the specific language governing permissions and limitations under + * the License. + * ============LICENSE_END========================================================================== + */ +import { Event } from "../common/event" + +import { Action } from './action'; +import { IActionHandler } from './action'; + +export interface Dispatch { + (action: TAction): TAction; +} + +export interface Enhancer { + (store: Store): Dispatch; +} + +class InitialisationAction extends Action { }; +const initialisationAction = new InitialisationAction(); + +export class Store { + + constructor(actionHandler: IActionHandler, enhancer?: Enhancer) + constructor(actionHandler: IActionHandler, initialState: TStoreState, enhancer?: Enhancer) + constructor(actionHandler: IActionHandler, initialState?: TStoreState | Enhancer, enhancer?: Enhancer) { + if (typeof initialState === 'function') { + enhancer = initialState as Enhancer; + initialState = undefined; + } + + this._isDispatching = false; + + this.changed = new Event(); // sollten wir hier eventuell sogar den state mit übergeben ? + + this._actionHandler = actionHandler; + + this._state = initialState as TStoreState; + if (enhancer) this._dispatch = enhancer(this); + + this._dispatch(initialisationAction); + } + + public changed: Event; + + private _dispatch: Dispatch = (payload: TAction): TAction => { + if (payload == null || !(payload instanceof Action)) { + throw new Error( + 'Actions must inherit from type Action. ' + + 'Use a custom middleware for async actions.' + ); + } + + if (this._isDispatching) { + throw new Error('ActionHandler may not dispatch actions.'); + } + + const oldState = this._state; + try { + this._isDispatching = true; + this._state = this._actionHandler(oldState, payload); + } finally { + this._isDispatching = false; + } + + if (this._state !== oldState) { + this.changed.invoke(); + } + + return payload; + } + + public get dispatch(): Dispatch { + return this._dispatch; + } + + public get state() { + return this._state + } + + private _state: TStoreState; + private _isDispatching: boolean; + private _actionHandler: IActionHandler; + +} + -- cgit 1.2.3-korg