@orbit/coordinator/dist/modules/strategy.js

A coordinator and set of coordination strategies for managing data flow and keeping @orbit/data sources in sync.

import { Orbit, Assertion } from '@orbit/core';
const { assert } = Orbit;
export class Strategy {
    constructor(options = {}) {
        this._sources = [];
        if (options.name) {
            this._name = options.name;
        }
        else {
            assert('Strategy requires a name', false);
        }
        this._sourceNames = options.sources;
        this._logPrefix = options.logPrefix || `[${this._name}]`;
        this._logLevel = this._customLogLevel = options.logLevel;
    }
    async activate(coordinator, options = {}) {
        this._coordinator = coordinator;
        if (this._customLogLevel === undefined) {
            this._logLevel = options.logLevel;
        }
        if (this._sourceNames) {
            this._sources = this._sourceNames.map((name) => coordinator.getSource(name));
        }
        else {
            this._sources = coordinator.sources;
        }
    }
    async deactivate() {
        this._coordinator = undefined;
    }
    async beforeSourceActivation() { }
    async afterSourceActivation() { }
    async beforeSourceDeactivation() { }
    async afterSourceDeactivation() { }
    get name() {
        return this._name;
    }
    get coordinator() {
        return this._coordinator;
    }
    get sources() {
        return this._sources;
    }
    get logPrefix() {
        return this._logPrefix;
    }
    get logLevel() {
        return this._logLevel;
    }
    getSourceName(source) {
        if (source.name) {
            return source.name;
        }
        else {
            throw new Assertion(`Sources require a 'name' to be used by a coordination strategy.`);
        }
    }
}
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