Examples of org.jboss.cache.TransactionEntry

org.jboss.cache.TransactionEntry
This is the value (key being the {@link GlobalTransaction}) in the transaction table of TreeCache.
A TransactionEntry maintains
- Handle to local Transactions: there can be more than 1 local TX associated with a GlobalTransaction
- List of modifications (Modification)
- List of nodes that were created as part of lock acquisition. These nodes can be safely deleted when a transaction is rolled back
- List of locks ( {@link IdentityLock}) that have been acquired by this transaction so far
@author Bela Ban Apr 14, 2003 @version $Revision: 3116 $




    private void copyInvocationScopeOptionsToTxScope(InvocationContext ctx)
    {
        // notify the transaction entry that this override is in place.
        TransactionEntry entry = txTable.get(ctx.getGlobalTransaction());
        if (entry != null)
        {
            Option txScopeOption = new Option();
            txScopeOption.setCacheModeLocal(ctx.getOptionOverrides() != null && ctx.getOptionOverrides().isCacheModeLocal());
            entry.setOption(txScopeOption);
        }
    }

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            // under the GlobalTx key
            if (txTable.get(gtx) == null)
            {
                // create a new transaction entry


                TransactionEntry entry = cache.isNodeLockingOptimistic() ? new OptimisticTransactionEntry() : new TransactionEntry();
                entry.setTransaction(ltx);
                log.debug("creating new tx entry");
                txTable.put(gtx, entry);
                if (log.isTraceEnabled()) log.trace("TxTable contents: " + txTable);
            }

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    }




    private void cleanupStaleLocks(GlobalTransaction gtx) throws Throwable
    {
        TransactionEntry entry = txTable.get(gtx);
        if (entry != null)
           entry.releaseAllLocksLIFO(gtx);
    }

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      else
      {
         if (log.isTraceEnabled())
            log.trace("Data gravitation performed under global transaction " + gtx + ".  Not broadcasting cleanups until the tx commits.  Adding to tx mod list instead.");
         transactionMods.put(gtx, cleanup);
         TransactionEntry te = getTransactionEntry(gtx);
         te.addModification(cleanup);
      }
   }

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      return retval;
   }


   private void prepareCacheLoader(GlobalTransaction gtx, boolean onePhase) throws Exception {
      List modifications;
      TransactionEntry entry;
      int txPuts = 0;


      entry=tx_table.get(gtx);
      if(entry == null)
         throw new Exception("entry for transaction " + gtx + " not found in transaction table");
      modifications=entry.getCacheLoaderModifications();
      if(modifications.size() == 0)
         return;
      List cache_loader_modifications=new ArrayList();
      for(Iterator it=modifications.iterator(); it.hasNext();) {
         JBCMethodCall methodCall=(JBCMethodCall) it.next();

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      return false;
   }


   private void prepareCacheLoader(GlobalTransaction gtx) throws Exception {
      List modifications;
      TransactionEntry entry;
      int txActs = 0;
      
      entry=tx_table.get(gtx);
      if(entry == null)
         throw new Exception("entry for transaction " + gtx + " not found in transaction table");
      modifications=entry.getCacheLoaderModifications();
      if(modifications.size() == 0)
         return;
      List cache_loader_modifications=new ArrayList();
      for(Iterator it=modifications.iterator(); it.hasNext();) {
         JBCMethodCall methodCall=(JBCMethodCall)it.next();

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      boolean acquireLock = false; // do we need to acquire a lock if we load this node from cloader?
      Map nodeData = null;
      boolean initNode = false; // keep uninitialized
      Object key = null;
      InvocationContext ctx = getInvocationContext();
      TransactionEntry entry = null;
      GlobalTransaction gtx = null;
      if ((gtx = ctx.getGlobalTransaction()) != null)
      {
         entry = txTable.get(gtx);
      }

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   private boolean wasRemovedInTx(Fqn fqn)
   {
      GlobalTransaction t = getInvocationContext().getGlobalTransaction();
      if (t == null)
         return false;
      TransactionEntry entry = txTable.get(t);
      Iterator i = entry.getCacheLoaderModifications().iterator();
      while (i.hasNext())
      {
         JBCMethodCall m = (JBCMethodCall) i.next();
         if (m.getMethodId() == MethodDeclarations.removeNodeMethodLocal_id
                 && fqn.isChildOrEquals((Fqn) m.getArgs()[1]))

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        {
            return;
        }


        // get the transaction to create the nodes in
        TransactionEntry baseTransactionEntry = tx_table.get(gtx);
        OptimisticTransactionEntry transactionEntry = (OptimisticTransactionEntry) baseTransactionEntry;


        if (transactionEntry == null)
        {
            throw new CacheException("Unable to map global transaction " + gtx + " to transaction entry");

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    private void copyInvocationScopeOptionsToTxScope(InvocationContext ctx)
    {
        // notify the transaction entry that this override is in place.
        TransactionEntry entry = txTable.get(ctx.getGlobalTransaction());
        if (entry != null)
        {
            Option txScopeOption = new Option();
            txScopeOption.setCacheModeLocal(ctx.getOptionOverrides() != null && ctx.getOptionOverrides().isCacheModeLocal());
            entry.setOption(txScopeOption);
        }
    }

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org.jboss.cache.interceptors.CacheLoaderInterceptor

org.jboss.cache.interceptors.CacheStoreInterceptor

org.jboss.cache.interceptors.DataGravitatorInterceptor

org.jboss.cache.interceptors.OptimisticCreateIfNotExistsInterceptor

org.jboss.cache.interceptors.OptimisticLockingInterceptor

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org.jboss.cache.interceptors.TxInterceptor

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