Package org.apache.hadoop.dfs.LeaseManager

Examples of org.apache.hadoop.dfs.LeaseManager.Lease

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        INodeFileUnderConstruction pendingFile = (INodeFileUnderConstruction) myFile;
        //
        // If the file is under construction , then it must be in our
        // leases. Find the appropriate lease record.
        //
        Lease lease = leaseManager.getLease(new StringBytesWritable(holder));
        //
        // We found the lease for this file. And surprisingly the original
        // holder is trying to recreate this file. This should never occur.
        //
        if (lease != null) {
          throw new AlreadyBeingCreatedException(
                                                 "failed to create file " + src + " for " + holder +
                                                 " on client " + clientMachine +
                                                 " because current leaseholder is trying to recreate file.");
        }
        //
        // Find the original holder.
        //
        lease = leaseManager.getLease(pendingFile.clientName);
        if (lease == null) {
          throw new AlreadyBeingCreatedException(
                                                 "failed to create file " + src + " for " + holder +
                                                 " on client " + clientMachine +
                                                 " because pendingCreates is non-null but no leases found.");
        }
        //
        // If the original holder has not renewed in the last SOFTLIMIT
        // period, then start lease recovery.
        //
        if (lease.expiredSoftLimit()) {
          LOG.info("startFile: recover lease " + lease + ", src=" + src);
          internalReleaseLease(lease, src);
        }
        throw new AlreadyBeingCreatedException("failed to create file " + src + " for " + holder +
                                               " on client " + clientMachine +
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  // make sure that we still have the lease on this file
  private INodeFileUnderConstruction checkLease(String src, String holder
      ) throws IOException {
    INode file = dir.getFileINode(src);
    if (file == null) {
      Lease lease = leaseManager.getLease(new StringBytesWritable(holder));
      throw new LeaseExpiredException("No lease on " + src +
                                      " File does not exist. " +
                                      (lease != null ? lease.toString() :
                                       "Holder " + holder +
                                       " does not have any open files."));
    }
    if (!file.isUnderConstruction()) {
      Lease lease = leaseManager.getLease(new StringBytesWritable(holder));
      throw new LeaseExpiredException("No lease on " + src +
                                      " File is not open for writing. " +
                                      (lease != null ? lease.toString() :
                                       "Holder " + holder +
                                       " does not have any open files."));
    }
    INodeFileUnderConstruction pendingFile = (INodeFileUnderConstruction)file;
    if (holder != null && !pendingFile.getClientName().equals(holder)) {
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        INodeFileUnderConstruction pendingFile = (INodeFileUnderConstruction) myFile;
        //
        // If the file is under construction , then it must be in our
        // leases. Find the appropriate lease record.
        //
        Lease lease = leaseManager.getLease(new StringBytesWritable(holder));
        //
        // We found the lease for this file. And surprisingly the original
        // holder is trying to recreate this file. This should never occur.
        //
        if (lease != null) {
          throw new AlreadyBeingCreatedException(
                                                 "failed to create file " + src + " for " + holder +
                                                 " on client " + clientMachine +
                                                 " because current leaseholder is trying to recreate file.");
        }
        //
        // Find the original holder.
        //
        lease = leaseManager.getLease(pendingFile.clientName);
        if (lease == null) {
          throw new AlreadyBeingCreatedException(
                                                 "failed to create file " + src + " for " + holder +
                                                 " on client " + clientMachine +
                                                 " because pendingCreates is non-null but no leases found.");
        }
        //
        // If the original holder has not renewed in the last SOFTLIMIT
        // period, then start lease recovery.
        //
        if (lease.expiredSoftLimit()) {
          LOG.info("startFile: recover lease " + lease + ", src=" + src);
          internalReleaseLease(lease, src);
        }
        throw new AlreadyBeingCreatedException("failed to create file " + src + " for " + holder +
                                               " on client " + clientMachine +
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  // make sure that we still have the lease on this file
  private INodeFileUnderConstruction checkLease(String src, String holder
      ) throws IOException {
    INode file = dir.getFileINode(src);
    if (file == null) {
      Lease lease = leaseManager.getLease(new StringBytesWritable(holder));
      throw new LeaseExpiredException("No lease on " + src +
                                      " File does not exist. " +
                                      (lease != null ? lease.toString() :
                                       "Holder " + holder +
                                       " does not have any open files."));
    }
    if (!file.isUnderConstruction()) {
      Lease lease = leaseManager.getLease(new StringBytesWritable(holder));
      throw new LeaseExpiredException("No lease on " + src +
                                      " File is not open for writing. " +
                                      (lease != null ? lease.toString() :
                                       "Holder " + holder +
                                       " does not have any open files."));
    }
    INodeFileUnderConstruction pendingFile = (INodeFileUnderConstruction)file;
    if (holder != null && !pendingFile.getClientName().equals(holder)) {
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        INodeFileUnderConstruction pendingFile = (INodeFileUnderConstruction) myFile;
        //
        // If the file is under construction , then it must be in our
        // leases. Find the appropriate lease record.
        //
        Lease lease = leaseManager.getLease(new StringBytesWritable(holder));
        //
        // We found the lease for this file. And surprisingly the original
        // holder is trying to recreate this file. This should never occur.
        //
        if (lease != null) {
          throw new AlreadyBeingCreatedException(
                                                 "failed to create file " + src + " for " + holder +
                                                 " on client " + clientMachine +
                                                 " because current leaseholder is trying to recreate file.");
        }
        //
        // Find the original holder.
        //
        lease = leaseManager.getLease(pendingFile.clientName);
        if (lease == null) {
          throw new AlreadyBeingCreatedException(
                                                 "failed to create file " + src + " for " + holder +
                                                 " on client " + clientMachine +
                                                 " because pendingCreates is non-null but no leases found.");
        }
        //
        // If the original holder has not renewed in the last SOFTLIMIT
        // period, then start lease recovery.
        //
        if (lease.expiredSoftLimit()) {
          LOG.info("startFile: recover lease " + lease + ", src=" + src);
          internalReleaseLease(lease, src);
        }
        throw new AlreadyBeingCreatedException("failed to create file " + src + " for " + holder +
                                               " on client " + clientMachine +
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  // make sure that we still have the lease on this file
  private INodeFileUnderConstruction checkLease(String src, String holder
      ) throws IOException {
    INode file = dir.getFileINode(src);
    if (file == null) {
      Lease lease = leaseManager.getLease(new StringBytesWritable(holder));
      throw new LeaseExpiredException("No lease on " + src +
                                      " File does not exist. " +
                                      (lease != null ? lease.toString() :
                                       "Holder " + holder +
                                       " does not have any open files."));
    }
    if (!file.isUnderConstruction()) {
      Lease lease = leaseManager.getLease(new StringBytesWritable(holder));
      throw new LeaseExpiredException("No lease on " + src +
                                      " File is not open for writing. " +
                                      (lease != null ? lease.toString() :
                                       "Holder " + holder +
                                       " does not have any open files."));
    }
    INodeFileUnderConstruction pendingFile = (INodeFileUnderConstruction)file;
    if (holder != null && !pendingFile.getClientName().equals(holder)) {
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