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  <title>How the Document Library Works?</title>
  <link rel="self" href="https://liferay.dev/c/message_boards/find_thread?p_l_id=119785294&amp;threadId=1474274" />
  <subtitle>How the Document Library Works?</subtitle>
  <id>https://liferay.dev/c/message_boards/find_thread?p_l_id=119785294&amp;threadId=1474274</id>
  <updated>2026-04-07T02:12:51Z</updated>
  <dc:date>2026-04-07T02:12:51Z</dc:date>
  <entry>
    <title>RE: How the Document Library Works?</title>
    <link rel="alternate" href="https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=1479572" />
    <author>
      <name>Tony García</name>
    </author>
    <id>https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=1479572</id>
    <updated>2008-10-23T11:25:52Z</updated>
    <published>2008-10-23T11:25:52Z</published>
    <summary type="html">Thanks Bruno, &lt;br /&gt;&lt;br /&gt;now I see clearer. Is the fisrt time I work with a ECM or CMS and I don´t know its operation.&lt;br /&gt;&lt;br /&gt;Tony</summary>
    <dc:creator>Tony García</dc:creator>
    <dc:date>2008-10-23T11:25:52Z</dc:date>
  </entry>
  <entry>
    <title>RE: How the Document Library Works?</title>
    <link rel="alternate" href="https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=1474809" />
    <author>
      <name>Bruno Farache</name>
    </author>
    <id>https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=1474809</id>
    <updated>2008-10-22T15:28:26Z</updated>
    <published>2008-10-22T15:28:26Z</published>
    <summary type="html">Hi Tony, I never used FileSystemHook myself, but looking at its source code, I see that it stores the contents in a folder set in portal.properties: dl.hook.file.system.root.dir. The meta-data is always stored in the database, hooks are responsible for storing the actual content.</summary>
    <dc:creator>Bruno Farache</dc:creator>
    <dc:date>2008-10-22T15:28:26Z</dc:date>
  </entry>
  <entry>
    <title>How the Document Library Works?</title>
    <link rel="alternate" href="https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=1474273" />
    <author>
      <name>Tony García</name>
    </author>
    <id>https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=1474273</id>
    <updated>2008-10-22T14:38:48Z</updated>
    <published>2008-10-22T14:38:48Z</published>
    <summary type="html">Hi,&lt;br /&gt;&lt;br /&gt;I have been trying to understand the Document Library portlet, and I have some questions.&lt;br /&gt;When I set dl.hook.impl=com.liferay.documentlibrary.util.FileSystemHook I tought that the contents must have been stored on the file system, but only references are stored, and the documents are stored on the Data Base.&lt;br /&gt;&lt;br /&gt;So, are the files always stored on the data base independient of the hook set?&lt;br /&gt;Are there any way to store the files on the File System or another system?&lt;br /&gt;If I set the hook to JackRabbit, the documents are stored on the Data Base too?&lt;br /&gt;&lt;br /&gt;I need to make an application that store the contents on Alfresco, and I need to know if is possible to do that from the Document Library adding a new Hook.&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;Thanks,&lt;br /&gt;&lt;br /&gt;Tony</summary>
    <dc:creator>Tony García</dc:creator>
    <dc:date>2008-10-22T14:38:48Z</dc:date>
  </entry>
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