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Refactoring of the pseudo file/desktop action code to allow use by AVM and repo filesystem drivers.

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Added virtualization view to the AVM filesystem driver that shows all stores and versions using a single
shared filesystem.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@4443 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Gary Spencer
2006-11-27 09:39:49 +00:00
parent 0eda95cc5f
commit a2a543684b
39 changed files with 2153 additions and 871 deletions
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111
source/java/org/alfresco/filesys/avm/AVMContext.java
View File

@@ -17,11 +17,10 @@
package org.alfresco.filesys.avm;
import org.alfresco.filesys.server.filesys.DiskDeviceContext;
import org.alfresco.filesys.alfresco.AlfrescoContext;
import org.alfresco.filesys.alfresco.IOControlHandler;
import org.alfresco.filesys.server.filesys.DiskInterface;
import org.alfresco.filesys.server.filesys.FileSystem;
import org.alfresco.filesys.server.filesys.SrvDiskInfo;
import org.alfresco.filesys.server.state.FileStateReaper;
import org.alfresco.filesys.server.state.FileStateTable;
/**
* AVM Filesystem Context Class
@@ -30,7 +29,7 @@ import org.alfresco.filesys.server.state.FileStateTable;
*
* @author GKSpencer
*/
public class AVMContext extends DiskDeviceContext {
public class AVMContext extends AlfrescoContext {
// Constants
//
@@ -43,14 +42,18 @@ public class AVMContext extends DiskDeviceContext {
private String m_storePath;
private int m_version = VERSION_HEAD;
// File state table and associated file state reaper
private FileStateTable m_stateTable;
private FileStateReaper m_stateReaper;
// Flag to indicate if the virtualization view is enabled
//
// The first set of folders then map to the stores and the second layer map to the versions with
// paths below.
private boolean m_virtualView;
/**
* Class constructor
*
* <p>Construct a context for a normal view onto a single store/version within AVM.
*
* @param filesysName String
* @param storePath String
* @param version int
@@ -68,17 +71,24 @@ public class AVMContext extends DiskDeviceContext {
// Set the store version to use
m_version = version;
// Default the filesystem to look like an 80Gb sized disk with 90% free space
setDiskInformation(new SrvDiskInfo(2560000, 64, 512, 2304000));
// Set filesystem parameters
setFilesystemAttributes(FileSystem.CasePreservedNames + FileSystem.UnicodeOnDisk +
FileSystem.CaseSensitiveSearch);
}
/**
* Class constructor
*
* <p>Construct a context for a virtualization view onto all stores/versions within AVM.
*
* @param filesysName String
*/
public AVMContext( String filesysName)
{
super( filesysName, "VirtualView");
// Enable the virtualization view
m_virtualView = true;
}
/**
* Return the filesystem type, either FileSystem.TypeFAT or FileSystem.TypeNTFS.
*
@@ -109,69 +119,34 @@ public class AVMContext extends DiskDeviceContext {
return m_version;
}
/**
* Check if the virtualization view is enabled
*
* @return boolean
*/
public final boolean isVirtualizationView()
{
return m_virtualView;
}
/**
* Close the filesystem context
*/
public void CloseContext() {
// Deregister the file state table from the reaper
if ( m_stateTable != null)
enableStateTable( false, m_stateReaper);
// Call the base class
super.CloseContext();
}
/**
* Determine if the file state table is enabled
* Create the I/O control handler for this filesystem type
*
* @return boolean
* @param filesysDriver DiskInterface
* @return IOControlHandler
*/
public final boolean hasStateTable()
protected IOControlHandler createIOHandler( DiskInterface filesysDriver)
{
return m_stateTable != null ? true : false;
}
/**
* Return the file state table
*
* @return FileStateTable
*/
public final FileStateTable getStateTable()
{
return m_stateTable;
}
/**
* Enable/disable the file state table
*
* @param ena boolean
* @param stateReaper FileStateReaper
*/
public final void enableStateTable(boolean ena, FileStateReaper stateReaper)
{
if ( ena == false)
{
// Remove the state table from the reaper
stateReaper.removeStateTable( getFilesystemName());
m_stateTable = null;
}
else if ( m_stateTable == null)
{
// Create the file state table
m_stateTable = new FileStateTable();
// Register with the file state reaper
stateReaper.addStateTable( getFilesystemName(), m_stateTable);
}
// Save the reaper, for deregistering when the filesystem is closed
m_stateReaper = stateReaper;
return null;
}
}