/
AbstractExecution.js
67 lines (58 loc) · 1.35 KB
/
AbstractExecution.js
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import GenericError from '../error/GenericError';
import Execution from './Execution';
const CLASS_REGEX = /^\s*class\b/;
/**
* Basic implementation of the {@link Execution} interface. Provides the basic
* functionality for appending and validating jobs.
*
* @abstract
* @extends Execution
*/
export default class AbstractExecution extends Execution {
constructor(jobs = []) {
super();
this._jobs = jobs.filter(this._validateJob);
}
/**
* @inheritDoc
*/
append(jobs) {
if (!Array.isArray(jobs)) {
jobs = [jobs];
}
this._jobs = this._jobs.concat(jobs.filter(this._validateJob));
}
/**
* @inheritDoc
*/
execute() {
throw new GenericError(
'The ima.core.execution.AbstractExecution.execute method is abstract ' +
'and must be overridden'
);
}
/**
* Return {@code true} if the given job can be executed
*
* @protected
* @param {function(): Promise} job
* @returns {boolean}
*/
_validateJob(job) {
if (typeof job === 'function') {
if (!CLASS_REGEX.test(job.toString())) {
return true;
}
}
if ($Debug) {
console.warn(
'ima.core.execution.AbstractExecution: Given job is not a callable ' +
'function therefore it will be excluded from execution.',
{
job
}
);
}
return false;
}
}