/**
* Find a query and returns a cursor
* @returns {Disposer<Cursor>} A promise to be used with Promise.using
*/
find( query ) {
const self = this;
const promise = new Promise(function( resolve ) {
resolve( self._collection.find( query ) );
});
return promise.disposer(function( cursor ) {
return cursor.close();
});
}
function ssh(params, with_disposer) {
var prom = new Promise(function(resolve, reject) {
var conn = new ssh2();
conn.on('ready', function() { resolve(_decorate(conn)); });
conn.on('error', function(err) { reject(err); });
conn.connect.call(conn, params);
});
if (with_disposer) {
return prom.disposer(function(connection) {
connection.end();
});
} else {
return prom;
}
}
FsMetastore.prototype.lock = function lock(userId, shared) {
var promise = new Promise(function(resolve, reject) {
var locker = this._lockMap[userId];
if (!locker) {
var filePath;
if (this._isSingleUser) {
filePath = nodePath.join(this._options.configParams.get('orion.single.user.metaLocation') || os.homedir(), '.orion');
} else {
filePath = this._computeLockFilePath(userId);
}
filePath = nodePath.join(filePath, ".lock");
locker = new fileLocker(filePath, this._options);
this._lockMap[userId] = locker;
}
locker.lock(shared).then(resolve, reject);
}.bind(this));
return promise.disposer(function(releaser) {
return releaser();
});
};