diff options
Diffstat (limited to 'sdnr/wt/odlux/framework/src/flux/store.ts')
-rw-r--r-- | sdnr/wt/odlux/framework/src/flux/store.ts | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/sdnr/wt/odlux/framework/src/flux/store.ts b/sdnr/wt/odlux/framework/src/flux/store.ts deleted file mode 100644 index dd80ce7ba..000000000 --- a/sdnr/wt/odlux/framework/src/flux/store.ts +++ /dev/null @@ -1,98 +0,0 @@ -/** - * ============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 { - <TAction extends Action>(action: TAction): TAction; -} - -export interface Enhancer<TStoreState> { - (store: Store<TStoreState>): Dispatch; -} - -class InitialisationAction extends Action { }; -const initialisationAction = new InitialisationAction(); - -export class Store<TStoreState> { - - constructor(actionHandler: IActionHandler<TStoreState>, enhancer?: Enhancer<TStoreState>) - constructor(actionHandler: IActionHandler<TStoreState>, initialState: TStoreState, enhancer?: Enhancer<TStoreState>) - constructor(actionHandler: IActionHandler<TStoreState>, initialState?: TStoreState | Enhancer<TStoreState>, enhancer?: Enhancer<TStoreState>) { - if (typeof initialState === 'function') { - enhancer = initialState as Enhancer<TStoreState>; - initialState = undefined; - } - - this._isDispatching = false; - - this.changed = new Event<void>(); // 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<void>; - - private _dispatch: Dispatch = <TAction extends Action>(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<TStoreState>; - -} - |