ERM Ideas and Innovations: Digital Repository Management as ERM

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Authors:	Pinkas, María M., Lin, Na
Format:	Recurso educativo Open Access
Language:	en
Published:	2014
Subjects:	Academic Libraries Medical Libraries Electronic Libraries Methods Information Management Archives Library Materials Library Services Information Retrieval Metadata
Online Access:	Acceder al recurso
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author	Pinkas, María M. Lin, Na
author_facet	Pinkas, María M. Lin, Na Pinkas, María M. Lin, Na
collection	Education Resources Information Center
contents	ERM Ideas and Innovations: Digital Repository Management as ERM Pinkas, María M. Lin, Na Academic Libraries Medical Libraries Electronic Libraries Methods Information Management Archives Library Materials Library Services Information Retrieval Metadata This article describes the application of electronic resources management (ERM) to digital repository management at the Health Sciences and Human Services Library at the University of Maryland, Baltimore. The authors discuss electronic resources management techniques, through the application of "Techniques for Electronic Management," which greatly enhanced and improved the management of their digital repository. This application follows the life cycle of the digital repository items and their ongoing maintenance and provides an enlightening perspective for library staff performing similar functions of managing repositories at their institutions.
format	Recurso educativo Open Access
id	eric_EJ1033415
institution	ERIC Institute of Education Sciences
language	en
publishDate	2014
record_format	eric
spellingShingle	ERM Ideas and Innovations: Digital Repository Management as ERM Pinkas, María M. Lin, Na Academic Libraries Medical Libraries Electronic Libraries Methods Information Management Archives Library Materials Library Services Information Retrieval Metadata ERM Ideas and Innovations: Digital Repository Management as ERM Pinkas, María M. Lin, Na Academic Libraries Medical Libraries Electronic Libraries Methods Information Management Archives Library Materials Library Services Information Retrieval Metadata This article describes the application of electronic resources management (ERM) to digital repository management at the Health Sciences and Human Services Library at the University of Maryland, Baltimore. The authors discuss electronic resources management techniques, through the application of "Techniques for Electronic Management," which greatly enhanced and improved the management of their digital repository. This application follows the life cycle of the digital repository items and their ongoing maintenance and provides an enlightening perspective for library staff performing similar functions of managing repositories at their institutions.
title	ERM Ideas and Innovations: Digital Repository Management as ERM
topic	Academic Libraries Medical Libraries Electronic Libraries Methods Information Management Archives Library Materials Library Services Information Retrieval Metadata
url	https://eric.ed.gov/?id=EJ1033415

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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