pip-services3-commons-node
Version:
Portable abstractions and patterns for Pip.Services in Node.js
69 lines • 2.21 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/** @module run */
/** @hidden */
var _ = require('lodash');
/** @hidden */
var async = require('async');
/**
* Helper class that closes previously opened components.
*
* [[IClosable]]
*/
var Closer = /** @class */ (function () {
function Closer() {
}
/**
* Closes specific component.
*
* To be closed components must implement [[ICloseable]] interface.
* If they don't the call to this method has no effect.
*
* @param correlationId (optional) transaction id to trace execution through call chain.
* @param component the component that is to be closed.
* @param callback callback function that receives error or null no errors occured.
*
* @see [[IClosable]]
*/
Closer.closeOne = function (correlationId, component, callback) {
if (_.isFunction(component.close)) {
try {
component.close(correlationId, callback);
}
catch (err) {
if (callback)
callback(err);
else
throw err;
}
}
else if (callback)
callback(null);
};
/**
* Closes multiple components.
*
* To be closed components must implement [[ICloseable]] interface.
* If they don't the call to this method has no effect.
*
* @param correlationId (optional) transaction id to trace execution through call chain.
* @param components the list of components that are to be closed.
* @param callback callback function that receives error or null no errors occured.
*
* @see [[closeOne]]
* @see [[IClosable]]
*/
Closer.close = function (correlationId, components, callback) {
async.eachSeries(components, function (component, callback) {
Closer.closeOne(correlationId, component, callback);
}, function (err) {
if (callback)
callback(err);
else if (err)
throw err;
});
};
return Closer;
}());
exports.Closer = Closer;
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