Mercurial > hg > blitz_stable
annotate src/org/dancres/blitz/WriteEscortImpl.java @ 8:fa7203ea1622
Remove some dead code (Dave Brosius)
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 23 May 2009 11:27:41 +0100 |
parents | 3dc0c5604566 |
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0
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1 package org.dancres.blitz; |
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2 |
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3 import net.jini.core.transaction.TransactionException; |
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4 |
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5 import org.dancres.blitz.mangler.MangledEntry; |
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6 |
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7 import org.dancres.blitz.entry.WriteEscort; |
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8 import org.dancres.blitz.entry.OpInfo; |
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9 |
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10 import org.dancres.blitz.txn.TxnState; |
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11 |
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12 import org.dancres.blitz.txnlock.*; |
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13 |
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14 class WriteEscortImpl implements WriteEscort { |
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15 private TxnState theTxnState; |
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16 private OpInfo theInfo; |
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17 |
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18 private TransactionException theException; |
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19 |
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20 WriteEscortImpl(TxnState aTxnState) { |
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21 theTxnState = aTxnState; |
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22 } |
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23 |
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24 public boolean writing(OpInfo anInfo) { |
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25 LockMgr myMgr = TxnLocks.getLockMgr(anInfo.getType()); |
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26 TxnLock myLock = myMgr.newLock(anInfo.getOID()); |
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27 |
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28 synchronized(myLock) { |
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29 myLock.acquire(theTxnState, TxnLock.WRITE, null, null, false); |
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30 |
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31 // System.out.println(theTxnState.getId() + " Wr: " + myLock); |
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32 } |
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33 |
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34 try { |
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35 theTxnState.add(new EntryTxnOp(TxnLock.WRITE, anInfo, myLock)); |
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36 } catch (TransactionException aTE) { |
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37 myLock.release(theTxnState, TxnLock.WRITE); |
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38 theException = aTE; |
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39 return false; |
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40 } |
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Dan Creswell <dan.creswell@gmail.com>
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41 |
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42 theInfo = anInfo; |
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43 |
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44 return true; |
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Dan Creswell <dan.creswell@gmail.com>
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45 } |
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Dan Creswell <dan.creswell@gmail.com>
parents:
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46 |
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Dan Creswell <dan.creswell@gmail.com>
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47 OpInfo getInfo() throws TransactionException { |
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48 if (theException != null) |
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49 throw theException; |
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50 else |
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51 return theInfo; |
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Dan Creswell <dan.creswell@gmail.com>
parents:
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52 } |
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53 } |