Package com.arjuna.ats.arjuna

Source Code of com.arjuna.ats.arjuna.DisposeRecord

/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA  02110-1301, USA.
*
* (C) 2005-2006,
* @author JBoss Inc.
*/
/*
* Copyright (C) 1998, 1999, 2000, 2001,
*
* Arjuna Solutions Limited,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK. 
*
* $Id: DisposeRecord.java 2342 2006-03-30 13:06:17Z  $
*/

/*
*
* Dipose Record Class.
*
*/

package com.arjuna.ats.arjuna;

import com.arjuna.ats.arjuna.logging.tsLogger;
import com.arjuna.ats.arjuna.logging.FacilityCode;

import com.arjuna.ats.arjuna.coordinator.*;
import com.arjuna.ats.arjuna.objectstore.ObjectStore;
import com.arjuna.ats.arjuna.common.*;
import com.arjuna.ats.arjuna.state.*;
import com.arjuna.ats.arjuna.gandiva.ClassName;
import com.arjuna.ats.arjuna.objectstore.ObjectStoreType;
import java.io.PrintWriter;

import java.io.IOException;

import com.arjuna.common.util.logging.*;

public class DisposeRecord extends CadaverRecord
{

    public DisposeRecord (ObjectStore objStore, StateManager sm)
    {
  super(null, objStore, sm);
 
  store = objStore;
 
  if (sm != null)
  {
      objectUid = sm.get_uid();
      typeName = sm.type();
  }
  else
  {
      objectUid = Uid.nullUid();
      typeName = null;
  }

  if (tsLogger.arjLogger.debugAllowed())
  {
      tsLogger.arjLogger.debug(DebugLevel.CONSTRUCTORS, VisibilityLevel.VIS_PUBLIC,
             FacilityCode.FAC_ABSTRACT_REC,
             "DisposeRecord::DisposeRecord("+objStore+", "+objectUid+")");
  }
    }

    public void finalize ()
    {
  if (tsLogger.arjLogger.debugAllowed())
  {
      tsLogger.arjLogger.debug(DebugLevel.DESTRUCTORS, VisibilityLevel.VIS_PUBLIC,
             FacilityCode.FAC_ABSTRACT_REC,
             "DisposeRecord.finalize for "+order());
  }
 
  store = null;
  typeName = null;

  super.finalize();
    }

    public boolean propagateOnAbort ()
    {
  return false;
    }

    public int typeIs ()
    {
  return RecordType.DISPOSE;
    }

    public ClassName className ()
    {
  return ArjunaNames.Implementation_AbstractRecord_CadaverRecord_DisposeRecord();
    }
   
    public int nestedAbort ()
    {
  if (tsLogger.arjLogger.debugAllowed())
  {
      tsLogger.arjLogger.debug(DebugLevel.FUNCTIONS, VisibilityLevel.VIS_PUBLIC,
             FacilityCode.FAC_ABSTRACT_REC, "DisposeRecord::nestedAbort() for "+order());
  }
 
  return TwoPhaseOutcome.FINISH_OK;
    }
   
    public int nestedCommit ()
    {
  if (tsLogger.arjLogger.debugAllowed())
  {
      tsLogger.arjLogger.debug(DebugLevel.FUNCTIONS, VisibilityLevel.VIS_PUBLIC,
             FacilityCode.FAC_ABSTRACT_REC, "DisposeRecord::nestedCommit() for "+order());
  }
 
  return TwoPhaseOutcome.FINISH_OK;
    }
   
    public int nestedPrepare ()
    {
  if (tsLogger.arjLogger.debugAllowed())
  {
      tsLogger.arjLogger.debug(DebugLevel.FUNCTIONS, VisibilityLevel.VIS_PUBLIC,
             FacilityCode.FAC_ABSTRACT_REC, "DisposeRecord::nestedPrepare() for "+order());
  }
 
  if ((store != null) && (objectUid.notEquals(Uid.nullUid())))
      return TwoPhaseOutcome.PREPARE_OK;
  else
      return TwoPhaseOutcome.PREPARE_NOTOK;
    }
   
    public int topLevelAbort ()
    {
  if (tsLogger.arjLogger.debugAllowed())
  {
      tsLogger.arjLogger.debug(DebugLevel.FUNCTIONS, VisibilityLevel.VIS_PUBLIC,
             FacilityCode.FAC_ABSTRACT_REC, "DisposeRecord::topLevelAbort() for "+order());
  }
 
  return TwoPhaseOutcome.FINISH_OK;
    }
   
    /**
     * At topLevelCommit we remove the state from the object store.
     *
     * @message com.arjuna.ats.arjuna.DisposeRecord_5 [com.arjuna.ats.arjuna.DisposeRecord_5] DisposeRecord::topLevelCommit - exception while deleting state {0}
     */
   
    public int topLevelCommit ()
    {
  if (tsLogger.arjLogger.debugAllowed())
  {
      tsLogger.arjLogger.debug(DebugLevel.FUNCTIONS, VisibilityLevel.VIS_PUBLIC,
             FacilityCode.FAC_ABSTRACT_REC, "DisposeRecord::topLevelCommit() for "+order());
  }

  if ((store != null) && (objectUid.notEquals(Uid.nullUid())))
  {
      try
      {
    if (store.remove_committed(objectUid, typeName))
    {
        // only valid if not doing recovery

        if (super.objectAddr != null)
        {
      super.objectAddr.destroyed();
        }
       
        return TwoPhaseOutcome.FINISH_OK;
    }
      }
      catch (Exception e)
      {
    if (tsLogger.arjLoggerI18N.isWarnEnabled())
    {
        tsLogger.arjLoggerI18N.warn("com.arjuna.ats.arjuna.DisposeRecord_5",
            new Object[]{e});
    }
      }
  }
 
  return TwoPhaseOutcome.FINISH_ERROR;
    }
   
    public int topLevelPrepare ()
    {
  if (tsLogger.arjLogger.debugAllowed())
  {
      tsLogger.arjLogger.debug(DebugLevel.FUNCTIONS, VisibilityLevel.VIS_PUBLIC, FacilityCode.FAC_ABSTRACT_REC,
             "DisposeRecord::topLevelPrepare() for "+order());
  }
 
  if ((store != null) && (objectUid.notEquals(Uid.nullUid())))
  {
      return TwoPhaseOutcome.PREPARE_OK;
  }
  else
      return TwoPhaseOutcome.PREPARE_NOTOK;
    }
   
    public void print (PrintWriter strm)
    {
  strm.println("Dispose for:");
  super.print(strm);
    }
   
    public boolean doSave ()
    {
  //  return true;
  return false;
    }
   
    /**
     * @message com.arjuna.ats.arjuna.DisposeRecord_1 [com.arjuna.ats.arjuna.DisposeRecord_1] DisposeRecord::save_state - type of store is unknown
     * @message com.arjuna.ats.arjuna.DisposeRecord_2 [com.arjuna.ats.arjuna.DisposeRecord_2] DisposeRecord::save_state - failed
     * @message com.arjuna.ats.arjuna.DisposeRecord_3 [com.arjuna.ats.arjuna.DisposeRecord_3] DisposeRecord::save_state - no object store defined.
     * @message com.arjuna.ats.arjuna.DisposeRecord_4 [com.arjuna.ats.arjuna.DisposeRecord_4] DisposeRecord::restore_state - invalid store type {0}
     */

    public boolean save_state (OutputObjectState os, int ot)
    {
  boolean res = true;
 
  if ((store != null) && (objectUid.notEquals(Uid.nullUid())))
  {
      if (!ObjectStoreType.valid(store.typeIs()))
      {
    if (tsLogger.arjLoggerI18N.isWarnEnabled())
        tsLogger.arjLoggerI18N.warn("com.arjuna.ats.arjuna.DisposeRecord_1");
     
    res = false;
      }
      else
      {
    try
    {
        os.packInt(store.typeIs());
        store.pack(os);
       
        objectUid.pack(os);
        os.packString(typeName);
    }
    catch (IOException e)
    {
        if (tsLogger.arjLoggerI18N.isWarnEnabled())
      tsLogger.arjLoggerI18N.warn("com.arjuna.ats.arjuna.DisposeRecord_2");
        res = false;
    }
      }
  }
  else
  {
      if (tsLogger.arjLoggerI18N.isWarnEnabled())
    tsLogger.arjLoggerI18N.warn("com.arjuna.ats.arjuna.DisposeRecord_3");
   
      res = false;
  }
 
  return res;
    }
   
    public boolean restore_state (InputObjectState os, int ot)
    {
  boolean res = true;
  int objStoreType = 0;
 
  try
  {
      objStoreType = os.unpackInt();
   
      if (ObjectStoreType.valid(objStoreType))
      {
    store = null;
     
    store = new ObjectStore(ObjectStoreType.typeToClassName(objStoreType));
    store.unpack(os);
     
    objectUid.unpack(os);
    typeName = os.unpackString();
      }
      else
      {
    if (tsLogger.arjLoggerI18N.isWarnEnabled())
    {
        tsLogger.arjLoggerI18N.warn("com.arjuna.ats.arjuna.DisposeRecord_4",
            new Object[]{Integer.toString(objStoreType)});
    }

    res = false;
      }
  }
  catch (IOException e)
  {
      res = false;
  }
 
  return res;
    }
   
    public String type ()
    {
  return "/StateManager/AbstractRecord/RecoveryRecord/PersistenceRecord/CadaverRecord/DisposeRecord";
    }
   
    public boolean shouldAdd (AbstractRecord a)
    {
  return false;
    }
   
    public boolean shouldMerge (AbstractRecord a)
    {
  return false;
    }
   
    public boolean shouldReplace (AbstractRecord a)
    {
  return false;
    }
   
    public boolean shouldAlter (AbstractRecord a)
    {
  return false;
    }

    public static AbstractRecord create ()
    {
  return new DisposeRecord();
    }

    protected DisposeRecord ()
    {
  super();

  objectUid = new Uid(Uid.nullUid());
  typeName = null;
  store = null;
    }
   
    private Uid         objectUid;
    private String      typeName;
    private ObjectStore store;
}
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