Java Code Examples for com.gemstone.gemfire.cache.Region#isDestroyed()

public static IndexManager getIndexManager(Region region,
    boolean createIfNotAvailable) {
  if (region == null || region.isDestroyed()) return null;
  LocalRegion lRegion = (LocalRegion) region;
  IndexManager idxMgr = lRegion.getIndexManager();
  if (idxMgr == null && createIfNotAvailable) {
    // JUst before creating new IndexManager. 
    if (testHook != null && region instanceof PartitionedRegion) {
      testHook.hook(0);
    }
    Object imSync = lRegion.getIMSync();
    synchronized (imSync) {
      //Double checked locking
      if (lRegion.getIndexManager() == null) {
        idxMgr = new IndexManager(region);
        lRegion.setIndexManager(idxMgr);
      }
      else {
        idxMgr = lRegion.getIndexManager();
      }
    }
  }
  return idxMgr;
}
 

public void waitForProfileStatus(int status) {
  ProfileShutdownListener listener = new ProfileShutdownListener();
  addProfileChangeListener(listener);
  try {
    int memberNum = 0;
    String regionName = getPartitionedRegion().getFullPath();
    do {
      Region pr = getPartitionedRegion().getCache().getRegion(regionName);
      if (pr == null || pr.isDestroyed()) break;
      Set members = adviseNotAtShutDownAllStatus(status);
      memberNum = members.size();
      if (memberNum >0) {
        getDistributionManager().getLoggerI18n().fine("waitForProfileStatus "+status+" at PR:"+getPartitionedRegion().getFullPath()+", expecting "+memberNum+" members:"+members);
        listener.waitForChange();
      }
    } while (memberNum > 0);
  } finally {
    removeProfileChangeListener(listener);
  }
}
 

public void waitForProfileStatus(int status) {
  ProfileShutdownListener listener = new ProfileShutdownListener();
  addProfileChangeListener(listener);
  try {
    int memberNum = 0;
    String regionName = getPartitionedRegion().getFullPath();
    do {
      Region pr = getPartitionedRegion().getCache().getRegion(regionName);
      if (pr == null || pr.isDestroyed()) break;
      Set members = adviseNotAtShutDownAllStatus(status);
      memberNum = members.size();
      if (memberNum >0) {
        getDistributionManager().getLoggerI18n().fine("waitForProfileStatus "+status+" at PR:"+getPartitionedRegion().getFullPath()+", expecting "+memberNum+" members:"+members);
        listener.waitForChange();
      }
    } while (memberNum > 0);
  } finally {
    removeProfileChangeListener(listener);
  }
}
 

protected void handleRegionDestroyedException(Region aRegion, RegionDestroyedException anException) {
   // make sure the region destroyed is this region
   if (!anException.getRegionFullPath().equals(aRegion.getFullPath())) {
     TestException te = new TestException("Got a RegionDestroyedException when operating on region " +
     TestHelper.regionToString(aRegion, false) + ", but the region destroyed is '" +
     anException.getRegionFullPath() +"'");
     te.initCause(anException);
     throw te;
   }

   // Note: the test only creates a region with a given name once. Once that region
   // has been destroyed, the test will never create another region with the same name
   boolean isDestroyed = aRegion.isDestroyed();
   if (isDestroyed) {
      // Make sure it really is destoyed and is not causing the RegionDestroyedException to be
      // thrown because one of its subregions was destroyed. 
      Log.getLogWriter().info("Got " + RegionDestroyedException.class.getName() + 
          " on " + TestHelper.regionToString(aRegion, false) + "; exception expected, continuing test");
   } else { // the region was not destroyed, but we got RegionDestroyedException anyway
      throw new TestException("Bug 30645 (likely): isDestroyed returned " + isDestroyed + " for region " +
         TestHelper.regionToString(aRegion, false) + ", but a region destroyed exception was thrown: " +
         TestHelper.getStackTrace(anException));
   }
}
 

public static IndexManager getIndexManager(Region region,
    boolean createIfNotAvailable) {
  if (region == null || region.isDestroyed()) return null;
  LocalRegion lRegion = (LocalRegion) region;
  IndexManager idxMgr = lRegion.getIndexManager();
  if (idxMgr == null && createIfNotAvailable) {
    // JUst before creating new IndexManager. 
    if (testHook != null && region instanceof PartitionedRegion) {
      testHook.hook(0);
    }
    Object imSync = lRegion.getIMSync();
    synchronized (imSync) {
      //Double checked locking
      if (lRegion.getIndexManager() == null) {
        idxMgr = new IndexManager(region);
        lRegion.setIndexManager(idxMgr);
      }
      else {
        idxMgr = lRegion.getIndexManager();
      }
    }
  }
  return idxMgr;
}
 

protected void handleRegionDestroyedException(Region aRegion, RegionDestroyedException anException) {
   // make sure the region destroyed is this region
   if (!anException.getRegionFullPath().equals(aRegion.getFullPath())) {
     TestException te = new TestException("Got a RegionDestroyedException when operating on region " +
     TestHelper.regionToString(aRegion, false) + ", but the region destroyed is '" +
     anException.getRegionFullPath() +"'");
     te.initCause(anException);
     throw te;
   }

   // Note: the test only creates a region with a given name once. Once that region
   // has been destroyed, the test will never create another region with the same name
   boolean isDestroyed = aRegion.isDestroyed();
   if (isDestroyed) {
      // Make sure it really is destoyed and is not causing the RegionDestroyedException to be
      // thrown because one of its subregions was destroyed. 
      Log.getLogWriter().info("Got " + RegionDestroyedException.class.getName() + 
          " on " + TestHelper.regionToString(aRegion, false) + "; exception expected, continuing test");
   } else { // the region was not destroyed, but we got RegionDestroyedException anyway
      throw new TestException("Bug 30645 (likely): isDestroyed returned " + isDestroyed + " for region " +
         TestHelper.regionToString(aRegion, false) + ", but a region destroyed exception was thrown: " +
         TestHelper.getStackTrace(anException));
   }
}
 

@Override
public void close() {
  Region r = getRegion();
  if (r != null && !r.isDestroyed()) {
    try {
      r.close();
    } catch (RegionDestroyedException e) {
    }
  }
}
 

public void waitForChange() {
  Region pr = getPartitionedRegion();

  synchronized(this) {
    while (!profileChanged && pr != null && !pr.isDestroyed()) {
      // the advisee might have been destroyed due to initialization failure
      try {
        this.wait(1000);
      } catch (InterruptedException e) {
      }
    }
    this.profileChanged = false;
  }
}
 

@Override
public void close() {
  Region r = getRegion();
  if (r != null && !r.isDestroyed()) {
    try {
      r.close();
    } catch (RegionDestroyedException e) {
    }
  }
}
 

/**
 * Delete a Schema in the store in given transaction context.
 * 
 * @param schemaName
 *          the name of the schema
 * @param tc
 *          the {@link TransactionManager} for this operation
 */
public void dropSchemaRegion(String schemaName, TransactionController tc)
    throws StandardException {
  boolean locked = false;
  final GemFireTransaction tran = (GemFireTransaction)tc;
  LockingPolicy locking = null;
  if (!tran.skipLocks(schemaName, null)) {
    locking = new GFContainerLocking(
        new DefaultGfxdLockable(schemaName, null), false, null);
    // take distributed write lock before destroy
    // the lock will be released when transaction ends
    locked = locking.lockContainer(tran, null, true, true);
  }
  Region<?, ?> region = this.gemFireCache.getRegion(schemaName);
  if (region == null || region.isDestroyed()) {
    // [sumedh] Should we throw an exception here?
    // A genuine case should be caught at the derby level
    // while other case where it can arise is receiving a GfxdDDLMessage
    // for a region destruction that has already been replayed using
    // the hidden _DDL_STMTS_REGION.
    /*
    throw new RegionDestroyedException(
        "dropSchemaRegion: region for schema '" + schemaName
            + "' already destroyed", '/' + schemaName);
    */
    final LogWriterI18n logger = this.gemFireCache.getLoggerI18n();
    if (logger.fineEnabled()) {
      logger.fine("dropSchemaRegion: region [/" + schemaName
          + "] for schema '" + schemaName + "' already destroyed");
    }
    if (locked) {
      locking.unlockContainer(tran, null);
    }
  }
  else {
    // Do not distribute region destruction to other caches since the
    // distribution is already handled by GfxdDDLMessages.
    region.localDestroyRegion();
  }
}
 

public void waitForChange() {
  Region pr = getPartitionedRegion();

  synchronized(this) {
    while (!profileChanged && pr != null && !pr.isDestroyed()) {
      // the advisee might have been destroyed due to initialization failure
      try {
        this.wait(1000);
      } catch (InterruptedException e) {
      }
    }
    this.profileChanged = false;
  }
}
 

@Override
public void close() {
  Region r = getRegion();
  if (r != null && !r.isDestroyed()) {
    try {
      r.close();
    } catch (RegionDestroyedException e) {
    }
  }
}
 

@Override
public void close() {
  Region r = getRegion();
  if (r != null && !r.isDestroyed()) {
    try {
      r.close();
    } catch (RegionDestroyedException e) {
    }
  }
}
 

/**
 * Delete a Schema in the store in given transaction context.
 * 
 * @param schemaName
 *          the name of the schema
 * @param tc
 *          the {@link TransactionManager} for this operation
 */
public void dropSchemaRegion(String schemaName, TransactionController tc)
    throws StandardException {
  boolean locked = false;
  final GemFireTransaction tran = (GemFireTransaction)tc;
  LockingPolicy locking = null;
  if (!tran.skipLocks(schemaName, null)) {
    locking = new GFContainerLocking(
        new DefaultGfxdLockable(schemaName, null), false, null);
    // take distributed write lock before destroy
    // the lock will be released when transaction ends
    locked = locking.lockContainer(tran, null, true, true);
  }
  Region<?, ?> region = this.gemFireCache.getRegion(schemaName);
  if (region == null || region.isDestroyed()) {
    // [sumedh] Should we throw an exception here?
    // A genuine case should be caught at the derby level
    // while other case where it can arise is receiving a GfxdDDLMessage
    // for a region destruction that has already been replayed using
    // the hidden _DDL_STMTS_REGION.
    /*
    throw new RegionDestroyedException(
        "dropSchemaRegion: region for schema '" + schemaName
            + "' already destroyed", '/' + schemaName);
    */
    final LogWriterI18n logger = this.gemFireCache.getLoggerI18n();
    if (logger.fineEnabled()) {
      logger.fine("dropSchemaRegion: region [/" + schemaName
          + "] for schema '" + schemaName + "' already destroyed");
    }
    if (locked) {
      locking.unlockContainer(tran, null);
    }
  }
  else {
    // Do not distribute region destruction to other caches since the
    // distribution is already handled by GfxdDDLMessages.
    region.localDestroyRegion();
  }
}
 

protected synchronized void recoverRegion(String regionName) {
  final List<Boolean> revoking = new ArrayList();
  revoking.add(new Boolean(true));
  Thread revokeThread = new Thread(new Runnable() {
    public void run() {
      while (revoking.get(0)) {
        RecoveryTestVersionHelper.forceRecovery(false);
        MasterController.sleepForMs(1000);
      }
    }
  });

  try {
    Region region = cache.getRegion(regionName);
    if (region == null || region.isDestroyed()) {
      // //this is dirty fix...awaiting a feedback from fabricdev here
      // on what to do?
      // // darrel said it's a bug. Logged as BUG #34269
      Log.getLogWriter().info("recovering region...");
      Thread.sleep(4 * 1000);
      RegionAttributes attr = RegionHelper
          .getRegionAttributes(ConfigPrms.getRegionConfig());
      Log.getLogWriter().info("Starting thread to revoke members...");
      revokeThread.start();
      RegionHelper.createRegion(regionName, attr);
      Log.getLogWriter().info("region recovered..." + regionName);
      revoking.set(0, new Boolean(false));
      revokeThread.join();
      Log.getLogWriter().info("Thread to revoke members terminated");
    }
  } catch (Exception ex) {
    String stack = util.TestHelper.getStackTrace(ex);
    if (stack.indexOf("RegionExistsException") != -1) {
      Log
          .getLogWriter()
          .warning(
              "RegionExistsException is caught. It may appear in concurrent environment...continuing with the test");
    } else {
      throw new TestException(TestHelper.getStackTrace(ex));
    }
  }
}
 

protected void performEntryOperations() {
  String regionName = TestConfig.tab().stringAt(MapPrms.regionForOps);
  lowerThreshold = TestConfig.tab().intAt(MapPrms.lowerThreshold, -1);
  upperThreshold = TestConfig.tab().intAt(MapPrms.upperThreshold, Integer.MAX_VALUE);

  Log.getLogWriter().info("lowerThreshold " + lowerThreshold + ", " + "upperThreshold " + upperThreshold );

  long startTime = System.currentTimeMillis();
  do {
    int whichOp = getEntryOperation(MapPrms.entryOperationName);
    Region region = cache.getRegion(regionName);
    
    if (region == null || region.isDestroyed()) {
        recoverRegion(regionName);
        continue;
    }

 
  try {
    int size = region.size();
    
 
    if (size >= upperThreshold) {
       whichOp = getEntryOperation(MapPrms.upperThresholdOperations);
    }else if (size <= lowerThreshold) {
       whichOp = getEntryOperation(MapPrms.lowerThresholdOperations);
    }


    switch (whichOp) {
    case PUT:
      putObject(regionName);
      break;
    case PUT_ALL:
      putAllObjects(regionName);
      break;
    case REMOVE:
      removeObject(regionName);
      break;
    case INVALIDATE:
      invalidateObject(regionName);
      break;
        case PUT_IF_ABSENT:
          putIfAbsent(regionName);
          break;
        case CM_REMOVE:
          cm_remove(regionName);
          break;
    default: {
      throw new TestException("Unknown operation " + whichOp);
    }
    }
  } catch (RegionDestroyedException rdex) {
      Log.getLogWriter().info("RegionDestroyedException...may occur in concurrent environment. Continuing with test.");
    recoverRegion(regionName);
  } catch (Exception ex) {
    throw new TestException(TestHelper.getStackTrace(ex));
  }
  } while ((System.currentTimeMillis() - startTime) < minTaskGranularityMS);
}
 

protected synchronized void recoverRegion(String regionName) {
  final List<Boolean> revoking = new ArrayList();
  revoking.add(new Boolean(true));
  Thread revokeThread = new Thread(new Runnable() {
    public void run() {
      while (revoking.get(0)) {
        RecoveryTestVersionHelper.forceRecovery(false);
        MasterController.sleepForMs(1000);
      }
    }
  });

  try {
    Region region = cache.getRegion(regionName);
    if (region == null || region.isDestroyed()) {
      // //this is dirty fix...awaiting a feedback from fabricdev here
      // on what to do?
      // // darrel said it's a bug. Logged as BUG #34269
      Log.getLogWriter().info("recovering region...");
      Thread.sleep(4 * 1000);
      RegionAttributes attr = RegionHelper
          .getRegionAttributes(ConfigPrms.getRegionConfig());
      Log.getLogWriter().info("Starting thread to revoke members...");
      revokeThread.start();
      RegionHelper.createRegion(regionName, attr);
      Log.getLogWriter().info("region recovered..." + regionName);
      revoking.set(0, new Boolean(false));
      revokeThread.join();
      Log.getLogWriter().info("Thread to revoke members terminated");
    }
  } catch (Exception ex) {
    String stack = util.TestHelper.getStackTrace(ex);
    if (stack.indexOf("RegionExistsException") != -1) {
      Log
          .getLogWriter()
          .warning(
              "RegionExistsException is caught. It may appear in concurrent environment...continuing with the test");
    } else {
      throw new TestException(TestHelper.getStackTrace(ex));
    }
  }
}
 

@Override
public void remove() throws CacheException {
  if (!this.peekedEvents.isEmpty()) {

    GatewaySenderEventImpl event = this.peekedEvents.remove();
    try {
    // PartitionedRegion prQ = this.userPRToshadowPRMap.get(ColocationHelper
    // .getLeaderRegion((PartitionedRegion)event.getRegion()).getFullPath());
    //
    PartitionedRegion prQ = null;
    int bucketId = -1;
    Object key = null;
    if (event.getRegion() != null) {
      if (isDREvent(event)) {
        prQ = this.userRegionNameToshadowPRMap.get(event.getRegion()
            .getFullPath());
        bucketId = event.getEventId().getBucketID();
        key = event.getEventId();
      } else {
        prQ = this.userRegionNameToshadowPRMap.get(ColocationHelper
            .getLeaderRegion((PartitionedRegion)event.getRegion())
            .getFullPath());
        bucketId = event.getBucketId();
        key = event.getShadowKey();
      }
    } else {
      String regionPath = event.getRegionPath();
      GemFireCacheImpl cache = (GemFireCacheImpl)this.sender.getCache();
      Region region = (PartitionedRegion)cache.getRegion(regionPath);
      if (region != null && !region.isDestroyed()) {
        // TODO: Suranjan We have to get colocated parent region for this
        // region
        if (region instanceof DistributedRegion) {
          prQ = this.userRegionNameToshadowPRMap.get(region.getFullPath());
          event.getBucketId();
          key = event.getEventId();
        } else {
          prQ = this.userRegionNameToshadowPRMap.get(ColocationHelper
              .getLeaderRegion((PartitionedRegion)region).getFullPath());
          event.getBucketId();
          key = event.getShadowKey();
        }
      }
    }

    if (prQ != null) {        
      destroyEventFromQueue(prQ, bucketId, key);
    }
    } finally {
      event.release();
    }
  }
}
 

@Override
public void remove() throws CacheException {
  if (!this.peekedEvents.isEmpty()) {

    GatewaySenderEventImpl event = this.peekedEvents.remove();
    try {
    // PartitionedRegion prQ = this.userPRToshadowPRMap.get(ColocationHelper
    // .getLeaderRegion((PartitionedRegion)event.getRegion()).getFullPath());
    //
    PartitionedRegion prQ = null;
    int bucketId = -1;
    Object key = null;
    if (event.getRegion() != null) {
      if (isDREvent(event)) {
        prQ = this.userRegionNameToshadowPRMap.get(event.getRegion()
            .getFullPath());
        bucketId = event.getEventId().getBucketID();
        key = event.getEventId();
      } else {
        prQ = this.userRegionNameToshadowPRMap.get(ColocationHelper
            .getLeaderRegion((PartitionedRegion)event.getRegion())
            .getFullPath());
        bucketId = event.getBucketId();
        key = event.getShadowKey();
      }
    } else {
      String regionPath = event.getRegionPath();
      GemFireCacheImpl cache = (GemFireCacheImpl)this.sender.getCache();
      Region region = (PartitionedRegion)cache.getRegion(regionPath);
      if (region != null && !region.isDestroyed()) {
        // TODO: Suranjan We have to get colocated parent region for this
        // region
        if (region instanceof DistributedRegion) {
          prQ = this.userRegionNameToshadowPRMap.get(region.getFullPath());
          event.getBucketId();
          key = event.getEventId();
        } else {
          prQ = this.userRegionNameToshadowPRMap.get(ColocationHelper
              .getLeaderRegion((PartitionedRegion)region).getFullPath());
          event.getBucketId();
          key = event.getShadowKey();
        }
      }
    }

    if (prQ != null) {        
      destroyEventFromQueue(prQ, bucketId, key);
    }
    } finally {
      event.release();
    }
  }
}
 

protected void performEntryOperations() {
  String regionName = TestConfig.tab().stringAt(MapPrms.regionForOps);
  lowerThreshold = TestConfig.tab().intAt(MapPrms.lowerThreshold, -1);
  upperThreshold = TestConfig.tab().intAt(MapPrms.upperThreshold, Integer.MAX_VALUE);

  Log.getLogWriter().info("lowerThreshold " + lowerThreshold + ", " + "upperThreshold " + upperThreshold );

  long startTime = System.currentTimeMillis();
  do {
    int whichOp = getEntryOperation(MapPrms.entryOperationName);
    Region region = cache.getRegion(regionName);
    
    if (region == null || region.isDestroyed()) {
        recoverRegion(regionName);
        continue;
    }

 
  try {
    int size = region.size();
    
 
    if (size >= upperThreshold) {
       whichOp = getEntryOperation(MapPrms.upperThresholdOperations);
    }else if (size <= lowerThreshold) {
       whichOp = getEntryOperation(MapPrms.lowerThresholdOperations);
    }


    switch (whichOp) {
    case PUT:
      putObject(regionName);
      break;
    case PUT_ALL:
      putAllObjects(regionName);
      break;
    case REMOVE:
      removeObject(regionName);
      break;
    case INVALIDATE:
      invalidateObject(regionName);
      break;
        case PUT_IF_ABSENT:
          putIfAbsent(regionName);
          break;
        case CM_REMOVE:
          cm_remove(regionName);
          break;
    default: {
      throw new TestException("Unknown operation " + whichOp);
    }
    }
  } catch (RegionDestroyedException rdex) {
      Log.getLogWriter().info("RegionDestroyedException...may occur in concurrent environment. Continuing with test.");
    recoverRegion(regionName);
  } catch (Exception ex) {
    throw new TestException(TestHelper.getStackTrace(ex));
  }
  } while ((System.currentTimeMillis() - startTime) < minTaskGranularityMS);
}