User Needs and the Information Transfer Process.

Fuente: ERIC Institute of Education Sciences

Saved in:

Bibliographic Details
Main Author:	Morehead, Joe
Format:	Recurso educativo Open Access
Language:	en
Published:	1982
Subjects:	Costs Federal Government Government Publications Information Dissemination Information Utilization Microforms Public Agencies Use Studies User Satisfaction (Information)
Online Access:	Acceder al recurso
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_version_	1867181498167197696
author	Morehead, Joe
author_facet	Morehead, Joe Morehead, Joe
collection	Education Resources Information Center
contents	User Needs and the Information Transfer Process. Morehead, Joe Costs Federal Government Government Publications Information Dissemination Information Utilization Microforms Public Agencies Use Studies User Satisfaction (Information) Identifies problematic points in the transfer of information from government to library to user, and discusses government accountability, survey results concerning publications being cataloged, use studies, the conversion of Government Printing Office publications to microformat, and federal economizing measures. Fourteen references are cited. (EJS)
format	Recurso educativo Open Access
id	eric_EJ273020
institution	ERIC Institute of Education Sciences
language	en
publishDate	1982
record_format	eric
spellingShingle	User Needs and the Information Transfer Process. Morehead, Joe Costs Federal Government Government Publications Information Dissemination Information Utilization Microforms Public Agencies Use Studies User Satisfaction (Information) User Needs and the Information Transfer Process. Morehead, Joe Costs Federal Government Government Publications Information Dissemination Information Utilization Microforms Public Agencies Use Studies User Satisfaction (Information) Identifies problematic points in the transfer of information from government to library to user, and discusses government accountability, survey results concerning publications being cataloged, use studies, the conversion of Government Printing Office publications to microformat, and federal economizing measures. Fourteen references are cited. (EJS)
title	User Needs and the Information Transfer Process.
topic	Costs Federal Government Government Publications Information Dissemination Information Utilization Microforms Public Agencies Use Studies User Satisfaction (Information)
url	https://eric.ed.gov/?id=EJ273020

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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