inteligr8/alfresco-community-repo
1
0
Fork 0
mirror of https://github.com/Alfresco/alfresco-community-repo.git synced 2025-07-24 17:32:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merged V2.0 to HEAD

Browse Source 
5523: Merged V1.4 to V2.0
      5494: db.schema.update=false disables ALL metadata queries
      5500: AR-1399 NTProtocolHander search handle leakage
      5522: AR-1412 IndexRemoteTransactionTracker startup
   5541: Merged V1.4 to V2.0
      5525: Pass-through authentication and domain mapping
         Resolved minor conflict on AlfrescoAuthenticator.java
      5526: Domain mapping support


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5546 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley
2007-04-25 02:44:53 +00:00
parent 08897ad76b
commit fb1dd4080b
24 changed files with 885 additions and 74 deletions
Download Patch File Download Diff File Expand all files Collapse all files

97
source/java/org/alfresco/repo/node/index/IndexRemoteTransactionTracker.java
View File

@@ -40,6 +40,7 @@ public class IndexRemoteTransactionTracker extends AbstractReindexComponent
private static Log logger = LogFactory.getLog(IndexRemoteTransactionTracker.class);
private boolean remoteOnly;
private boolean started;
private long currentTxnId;
public IndexRemoteTransactionTracker()
@@ -67,17 +68,11 @@ public class IndexRemoteTransactionTracker extends AbstractReindexComponent
@Override
protected void reindexImpl()
{
if (currentTxnId < 0)
if (!started)
{
// initialize the starting point
Transaction lastTxn = nodeDaoService.getLastTxn();
if (lastTxn == null)
{
// there is nothing to do
return;
}
long lastTxnId = lastTxn.getId();
currentTxnId = getLastIndexedTxn(lastTxnId);
// Initialize the starting poing
currentTxnId = getLastIndexedTxn();
started = true;
}
if (logger.isDebugEnabled())
@@ -109,6 +104,88 @@ public class IndexRemoteTransactionTracker extends AbstractReindexComponent
}
}
private static final long DECREMENT_COUNT = 10L;
/**
* Finds the last indexed transaction. It works backwards from the
* last index in increments, respecting the {@link #setRemoteOnly(boolean) remoteOnly}
* flag.
*
* @return Returns the last index transaction or -1 if there is none
*/
protected long getLastIndexedTxn()
{
// get the last transaction
Transaction txn = null;
if (remoteOnly)
{
txn = nodeDaoService.getLastRemoteTxn();
}
else
{
txn = nodeDaoService.getLastTxn();
}
if (txn == null)
{
// There is no last transaction to use
return -1L;
}
long currentTxnId = txn.getId();
while (currentTxnId >= 0L)
{
// Check if the current txn is in the index
InIndex txnInIndex = isTxnIdPresentInIndex(currentTxnId);
if (txnInIndex == InIndex.YES)
{
// We found somewhere to start
break;
}
// Get back in time
long lastCheckTxnId = currentTxnId;
currentTxnId -= DECREMENT_COUNT;
if (currentTxnId < 0L)
{
currentTxnId = -1L;
}
// We don't know if this number we have is a local or remote txn, so get the very next one
Transaction nextTxn = null;
if (remoteOnly)
{
List<Transaction> nextTxns = nodeDaoService.getNextRemoteTxns(currentTxnId, 1);
if (nextTxns.size() > 0)
{
nextTxn = nextTxns.get(0);
}
}
else
{
List<Transaction> nextTxns = nodeDaoService.getNextTxns(currentTxnId, 1);
if (nextTxns.size() > 0)
{
nextTxn = nextTxns.get(0);
}
}
if (nextTxn == null)
{
// There was nothing relevant after this, so keep going back in time
continue;
}
else if (nextTxn.getId() >= lastCheckTxnId)
{
// Decrementing by DECREMENT_COUNT was not enough
continue;
}
// Adjust the last one we looked at to reflect the correct txn id
currentTxnId = nextTxn.getId();
}
// We are close enough to the beginning, so just go for the first transaction
if (currentTxnId < 0L)
{
currentTxnId = -1L;
}
return currentTxnId;
}
private static final int MAX_TXN_COUNT = 1000;
private List<Transaction> getNextTransactions(long currentTxnId)
{