Package org.apache.hadoop.hdfs.server.namenode.LeaseManager

Examples of org.apache.hadoop.hdfs.server.namenode.LeaseManager.Lease

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      }
      pendingFile.setTargets(targets);
    }
    // start lease recovery of the last block for this file.
    pendingFile.assignPrimaryDatanode();
    Lease reassignedLease = reassignLease(
      lease, src, HdfsConstants.NN_RECOVERY_LEASEHOLDER, pendingFile);
    leaseManager.renewLease(reassignedLease);
  }
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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(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) {
          Lease leaseFile = leaseManager.getLeaseByPath(src);
          if (leaseFile != null && leaseFile.equals(lease)) {
            throw new AlreadyBeingCreatedException(
                                                 "failed to create file " + src + " for " + holder +
                                                 " on client " + clientMachine +
                                                 " because current leaseholder is trying to recreate file.");
          }
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  private void checkLease(String src, String holder, INode file)
                                                     throws IOException {

    if (file == null || file.isDirectory()) {
      Lease lease = leaseManager.getLease(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(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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      break;
    }
    case OP_REASSIGN_LEASE: {
      ReassignLeaseOp reassignLeaseOp = (ReassignLeaseOp)op;

      Lease lease = fsNamesys.leaseManager.getLease(
          reassignLeaseOp.leaseHolder);
      final String path =
          renameReservedPathsOnUpgrade(reassignLeaseOp.path, logVersion);
      INodeFile pendingFile = fsDir.getINode(path).asFile();
      Preconditions.checkState(pendingFile.isUnderConstruction());
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      assertTrue(file2Node.isUnderConstruction());
      BlockInfo[] blks = file2Node.getBlocks();
      assertEquals(1, blks.length);
      assertEquals(BlockUCState.UNDER_CONSTRUCTION, blks[0].getBlockUCState());
      // check lease manager
      Lease lease = fsn.leaseManager.getLeaseByPath(file2.toString());
      Assert.assertNotNull(lease);
    } finally {
      if (cluster != null) {
        cluster.shutdown();
      }
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    if (fileInode != null && fileInode.isUnderConstruction()) {
      //
      // If the file is under construction , then it must be in our
      // leases. Find the appropriate lease record.
      //
      Lease lease = leaseManager.getLease(holder);
      //
      // We found the lease for this file. And surprisingly the original
      // holder is trying to recreate this file. This should never occur.
      //

      if (!force && lease != null) {
        Lease leaseFile = leaseManager.getLeaseByPath(src);
        if (leaseFile != null && leaseFile.equals(lease)) {
          throw new AlreadyBeingCreatedException(
            "failed to create file " + src + " for " + holder +
            " for client " + clientMachine +
            " because current leaseholder is trying to recreate file.");
        }
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                               long fileId)
      throws LeaseExpiredException, FileNotFoundException {
    assert hasReadLock();
    final String ident = src + " (inode " + fileId + ")";
    if (inode == null) {
      Lease lease = leaseManager.getLease(holder);
      throw new LeaseExpiredException(
          "No lease on " + ident + ": File does not exist. "
          + (lease != null ? lease.toString()
              : "Holder " + holder + " does not have any open files."));
    }
    if (!inode.isFile()) {
      Lease lease = leaseManager.getLease(holder);
      throw new LeaseExpiredException(
          "No lease on " + ident + ": INode is not a regular file. "
              + (lease != null ? lease.toString()
              : "Holder " + holder + " does not have any open files."));
    }
    final INodeFile file = inode.asFile();
    if (!file.isUnderConstruction()) {
      Lease lease = leaseManager.getLease(holder);
      throw new LeaseExpiredException(
          "No lease on " + ident + ": File is not open for writing. "
          + (lease != null ? lease.toString()
              : "Holder " + holder + " does not have any open files."));
    }
    // No further modification is allowed on a deleted file.
    // A file is considered deleted, if it is not in the inodeMap or is marked
    // as deleted in the snapshot feature.
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      INodeFileUnderConstruction pendingFile = (INodeFileUnderConstruction) fileInode;
      //
      // If the file is under construction , then it must be in our
      // leases. Find the appropriate lease record.
      //
      Lease lease = leaseManager.getLease(holder);
      //
      // We found the lease for this file. And surprisingly the original
      // holder is trying to recreate this file. This should never occur.
      //
      if (!force && lease != null) {
        Lease leaseFile = leaseManager.getLeaseByPath(src);
        if ((leaseFile != null && leaseFile.equals(lease)) ||
            lease.getHolder().equals(holder)) {
          throw new AlreadyBeingCreatedException(
            "failed to create file " + src + " for " + holder +
            " on client " + clientMachine +
            " because current leaseholder is trying to recreate file.");
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  private INodeFileUnderConstruction checkLease(String src, long fileId,
      String holder, INode inode) throws LeaseExpiredException,
      FileNotFoundException {
    assert hasReadOrWriteLock();
    if (inode == null || !inode.isFile()) {
      Lease lease = leaseManager.getLease(holder);
      throw new LeaseExpiredException(
          "No lease on " + src + ": File does not exist. "
          + (lease != null ? lease.toString()
              : "Holder " + holder + " does not have any open files."));
    }
    final INodeFile file = inode.asFile();
    if (!file.isUnderConstruction()) {
      Lease lease = leaseManager.getLease(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)) {
      throw new LeaseExpiredException("Lease mismatch on " + src + " owned by "
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      INodeFileUnderConstruction pendingFile = (INodeFileUnderConstruction) fileInode;
      //
      // If the file is under construction , then it must be in our
      // leases. Find the appropriate lease record.
      //
      Lease lease = leaseManager.getLease(holder);
      //
      // We found the lease for this file. And surprisingly the original
      // holder is trying to recreate this file. This should never occur.
      //
      if (!force && lease != null) {
        Lease leaseFile = leaseManager.getLeaseByPath(src);
        if ((leaseFile != null && leaseFile.equals(lease)) ||
            lease.getHolder().equals(holder)) {
          throw new AlreadyBeingCreatedException(
            "failed to create file " + src + " for " + holder +
            " on client " + clientMachine +
            " because current leaseholder is trying to recreate file.");
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