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Added accessors for node history. Added those to console.

Browse Source 
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3135 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Britt Park 2006-06-18 15:32:45 +00:00
parent 6fff182633
commit c892c5a4b5
8 changed files with 180 additions and 16 deletions
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42
source/java/org/alfresco/repo/avm/AVMInteractiveConsole.java
View File

@ -296,6 +296,48 @@ public class AVMInteractiveConsole
System.out.println("Owner: " + desc.getOwner());
System.out.println("Mod Time: " + new Date(desc.getModDate()));
}
else if (command[0].equals("history"))
{
if (command.length != 4)
{
System.err.println("Syntax error.");
continue;
}
AVMNodeDescriptor desc = fService.lookup(Integer.parseInt(command[2]), command[1]);
List<AVMNodeDescriptor> history = fService.getHistory(desc, Integer.parseInt(command[3]));
for (AVMNodeDescriptor node : history)
{
System.out.println(node);
System.out.println("Version: " + desc.getVersionID());
System.out.println("Owner: " + desc.getOwner());
System.out.println("Mod Time: " + new Date(desc.getModDate()));
}
}
else if (command[0].equals("catver"))
{
if (command.length != 4)
{
System.err.println("Syntax error.");
continue;
}
AVMNodeDescriptor desc = fService.lookup(Integer.parseInt(command[2]), command[1]);
List<AVMNodeDescriptor> history = fService.getHistory(desc, Integer.parseInt(command[3]));
if (history.size() == 0)
{
System.err.println("No history found.");
continue;
}
BufferedReader reader =
new BufferedReader(
new InputStreamReader(
fService.getFileInputStream(history.get(history.size() - 1))));
String line;
while ((line = reader.readLine()) != null)
{
System.out.println(line);
}
reader.close();
}
else if (command[0].equals("exit"))
{
done = true;

15
source/java/org/alfresco/repo/avm/AVMService.java
View File

@ -42,6 +42,13 @@ public interface AVMService
*/
public InputStream getFileInputStream(int version, String path);
/**
* Get an input stream from a particular version of a file.
* @param desc The node descriptor pointing at the node.
* @return The InputStream.
*/
public InputStream getFileInputStream(AVMNodeDescriptor desc);
/**
* Get an output stream to a file node. The file must already exist.
* @param path The simple absolute path to the file node.
@ -248,4 +255,12 @@ public interface AVMService
* @param path The full path.
*/
public void makePrimary(String path);
/**
* Get a list of all the ancestor versions of a node.
* @param desc The version of a node to find ancestors for.
* @param count How many. -1 means all.
* @return A List of ancestors starting with the most recent.
*/
public List<AVMNodeDescriptor> getHistory(AVMNodeDescriptor desc, int count);
}

53
source/java/org/alfresco/repo/avm/AVMServiceImpl.java
View File

@ -160,6 +160,32 @@ public class AVMServiceImpl implements AVMService
return doit.in;
}
/**
* Get an InputStream from a particular version of a file.
* @param desc The node descriptor.
* @return The InputStream.
*/
public InputStream getFileInputStream(final AVMNodeDescriptor desc)
{
if (desc == null)
{
throw new AVMBadArgumentException("Illegal null argument.");
}
class HTxnCallback implements HibernateTxnCallback
{
public InputStream in = null;
public void perform(Session session)
{
fSuperRepository.setSession(session);
in = fSuperRepository.getInputStream(desc);
}
}
HTxnCallback doit = new HTxnCallback();
fTransaction.perform(doit, false);
return doit.in;
}
/* (non-Javadoc)
* @see org.alfresco.repo.avm.AVMService#getFileOutputStream(java.lang.String)
*/
@ -781,4 +807,31 @@ public class AVMServiceImpl implements AVMService
fTransaction.perform(doit, false);
return doit.root;
}
/**
* Get the history of a node.
* @param desc The node to get history from.
* @param count The number of ancestors to fallow back. -1 means all.
* @return A List of ancestors most recent first.
*/
public List<AVMNodeDescriptor> getHistory(final AVMNodeDescriptor desc, final int count)
{
if (desc == null)
{
throw new AVMBadArgumentException("Null descriptor.");
}
class HTxnCallback implements HibernateTxnCallback
{
public List<AVMNodeDescriptor> history;
public void perform(Session session)
{
fSuperRepository.setSession(session);
history = fSuperRepository.getHistory(desc, count);
}
}
HTxnCallback doit = new HTxnCallback();
fTransaction.perform(doit, false);
return doit.history;
}
}

3
source/java/org/alfresco/repo/avm/FileNode.java
View File

@ -24,10 +24,9 @@ interface FileNode extends AVMNode
{
/**
* Get the content object associated with this node, for reading.
* @param version The version to get in.
* @return A FileContent object.
*/
public FileContent getContentForRead(Repository repo);
public FileContent getContentForRead();
/**
* Get the content object for writing. This will do COW

8
source/java/org/alfresco/repo/avm/LayeredFileNodeImpl.java
View File

@ -78,7 +78,7 @@ class LayeredFileNodeImpl extends FileNodeImpl implements LayeredFileNode
}
// This is a mildly dirty trick. We use getContentForRead so as not to startle
// the ultimate destination content into copying itself prematurely.
FileContent content = ((FileNode)indirect).getContentForRead(lPath.getRepository());
FileContent content = ((FileNode)indirect).getContentForRead();
PlainFileNodeImpl newMe = new PlainFileNodeImpl(content, lPath.getRepository(), getBasicAttributes());
newMe.setAncestor(this);
return newMe;
@ -98,9 +98,9 @@ class LayeredFileNodeImpl extends FileNodeImpl implements LayeredFileNode
* @param repo The Repository.
* @return A FileContent object.
*/
public FileContent getContentForRead(Repository repo)
public FileContent getContentForRead()
{
Lookup lookup = repo.getSuperRepository().lookup(-1, fIndirection);
Lookup lookup = SuperRepository.GetInstance().lookup(-1, fIndirection);
AVMNode node = lookup.getCurrentNode();
if (node.getType() != AVMNodeType.LAYERED_FILE &&
node.getType() != AVMNodeType.PLAIN_FILE)
@ -108,7 +108,7 @@ class LayeredFileNodeImpl extends FileNodeImpl implements LayeredFileNode
throw new AVMException("Missing Link.");
}
FileNode file = (FileNode)node;
return file.getContentForRead(repo);
return file.getContentForRead();
}
/**

8
source/java/org/alfresco/repo/avm/PlainFileNodeImpl.java
View File

@ -107,7 +107,7 @@ class PlainFileNodeImpl extends FileNodeImpl implements PlainFileNode
/**
* Get content for reading.
*/
public FileContent getContentForRead(Repository repo)
public FileContent getContentForRead()
{
return fContent;
}
@ -157,8 +157,7 @@ class PlainFileNodeImpl extends FileNodeImpl implements PlainFileNode
null,
false,
-1,
getContentForRead(
lPath.getRepository())
getContentForRead()
.getLength(lPath.getRepository().getSuperRepository()));
}
@ -186,8 +185,7 @@ class PlainFileNodeImpl extends FileNodeImpl implements PlainFileNode
null,
false,
-1,
getContentForRead(
getRepository())
getContentForRead()
.getLength(getRepository().getSuperRepository()));
}

14
source/java/org/alfresco/repo/avm/RepositoryImpl.java
View File

@ -265,7 +265,7 @@ class RepositoryImpl implements Repository, Serializable
throw new AVMExistsException("Not a file: " + path + " r " + version);
}
FileNode file = (FileNode)node;
FileContent content = file.getContentForRead(this);
FileContent content = file.getContentForRead();
return content.getInputStream(fSuper);
}
@ -328,10 +328,10 @@ class RepositoryImpl implements Repository, Serializable
throw new AVMException("Access denied: " + path);
}
Lookup lPath = lookup(version, path);
if (write)
{
// if (write)
// {
// lPath.acquireLocks();
}
// }
AVMNode node = lPath.getCurrentNode();
if (node.getType() != AVMNodeType.PLAIN_FILE &&
node.getType() != AVMNodeType.LAYERED_FILE)
@ -347,7 +347,7 @@ class RepositoryImpl implements Repository, Serializable
}
else
{
content = file.getContentForRead(this);
content = file.getContentForRead();
}
return content.getRandomAccess(fSuper, access);
}
@ -759,6 +759,10 @@ class RepositoryImpl implements Repository, Serializable
query.setInteger("version", version);
VersionRoot vRoot = (VersionRoot)query.uniqueResult();
AVMNode root = vRoot.getRoot();
if (root == null)
{
throw new AVMNotFoundException("Version not found.");
}
root.setIsRoot(false);
fSuper.getSession().delete(vRoot);
if (root.equals(fRoot))

53
source/java/org/alfresco/repo/avm/SuperRepository.java
View File

@ -20,6 +20,7 @@ package org.alfresco.repo.avm;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.RandomAccessFile;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
@ -508,6 +509,28 @@ class SuperRepository
return repo.getInputStream(version, pathParts[1]);
}
/**
* Get an InputStream from a given version of a file.
* @param desc The node descriptor.
* @return The InputStream.
*/
public InputStream getInputStream(AVMNodeDescriptor desc)
{
fLookupCount.set(1);
AVMNode node = (AVMNode)fSession.get().get(AVMNodeImpl.class, desc.getId());
if (node == null)
{
throw new AVMNotFoundException("Not found.");
}
if (node.getType() != AVMNodeType.PLAIN_FILE &&
node.getType() != AVMNodeType.LAYERED_FILE)
{
throw new AVMWrongTypeException("Not a file.");
}
FileNode file = (FileNode)node;
return file.getContentForRead().getInputStream(SuperRepository.GetInstance());
}
/**
* Get a listing of a directory.
* @param version The version to look under.
@ -780,6 +803,36 @@ class SuperRepository
rep.retargetLayeredDirectory(pathParts[1], target);
}
/**
* Get the history chain for a node.
* @param desc The node to get history of.
* @param count The maximum number of ancestors to traverse. Negative means all.
* @return A List of ancestors.
*/
public List<AVMNodeDescriptor> getHistory(AVMNodeDescriptor desc, int count)
{
AVMNode node = (AVMNode)fSession.get().get(AVMNodeImpl.class, desc.getId());
if (node == null)
{
throw new AVMNotFoundException("Not found.");
}
if (count < 0)
{
count = Integer.MAX_VALUE;
}
List<AVMNodeDescriptor> history = new ArrayList<AVMNodeDescriptor>();
for (int i = 0; i < count; i++)
{
node = node.getAncestor();
if (node == null)
{
break;
}
history.add(node.getDescriptor("UNKNOWN", "UNKNOWN", "UNKNOWN"));
}
return history;
}
/**
* Get the single instance of SuperRepository.
* @return