Package org.apache.hadoop.io

Examples of org.apache.hadoop.io.ArrayWritable.readFields()

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                  ((UTF8)writables[1]).toString());
              replication = adjustReplication( replication, conf );
            }
            // get blocks
            aw = new ArrayWritable(Block.class);
            aw.readFields(in);
            writables = aw.get();
            Block blocks[] = new Block[writables.length];
            System.arraycopy(writables, 0, blocks, 0, blocks.length);
            // add to the file tree
            fsDir.unprotectedAddFile(name, blocks, replication );
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            if( logVersion >= 0 )
              name.readFields(in);  // read name only
            else {  // other versions do
              // get name and replication
              aw = new ArrayWritable(UTF8.class);
              aw.readFields(in);
              writables = aw.get();
              if( writables.length != 2 )
                throw new IOException("Incorrect data fortmat. "
                    + "Name & replication pair expected");
              name = (UTF8) writables[0];
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                  ((UTF8)writables[1]).toString());
              replication = adjustReplication( replication, conf );
            }
            // get blocks
            aw = new ArrayWritable(Block.class);
            aw.readFields(in);
            writables = aw.get();
            Block blocks[] = new Block[writables.length];
            System.arraycopy(writables, 0, blocks, 0, blocks.length);
            // add to the file tree
            fsDir.unprotectedAddFile(name, blocks, replication );
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            if( logVersion >= 0 )
              name.readFields(in);  // read name only
            else {  // other versions do
              // get name and replication
              aw = new ArrayWritable(UTF8.class);
              aw.readFields(in);
              writables = aw.get();
              if( writables.length != 2 )
                throw new IOException("Incorrect data fortmat. "
                    + "Name & replication pair expected");
              name = (UTF8) writables[0];
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                  ((UTF8)writables[1]).toString());
              replication = adjustReplication( replication, conf );
            }
            // get blocks
            aw = new ArrayWritable(Block.class);
            aw.readFields(in);
            writables = aw.get();
            Block blocks[] = new Block[writables.length];
            System.arraycopy(writables, 0, blocks, 0, blocks.length);
            // add to the file tree
            fsDir.unprotectedAddFile(name, blocks, replication );
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            if( logVersion >= 0 )
              name.readFields(in);  // read name only
            else {  // other versions do
              // get name and replication
              aw = new ArrayWritable(UTF8.class);
              aw.readFields(in);
              writables = aw.get();
              if( writables.length != 2 )
                throw new IOException("Incorrect data fortmat. "
                    + "Name & replication pair expected");
              name = (UTF8) writables[0];
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                  ((UTF8)writables[1]).toString());
              replication = adjustReplication( replication, conf );
            }
            // get blocks
            aw = new ArrayWritable(Block.class);
            aw.readFields(in);
            writables = aw.get();
            Block blocks[] = new Block[writables.length];
            System.arraycopy(writables, 0, blocks, 0, blocks.length);
            // add to the file tree
            fsDir.unprotectedAddFile(name, blocks, replication );
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            if (logVersion >= 0)
              name.readFields(in);  // read name only
            else {  // other versions do
              // get name and replication
              aw = new ArrayWritable(UTF8.class);
              aw.readFields(in);
              writables = aw.get();
              if (logVersion >= -4 && writables.length != 2 ||
                  logVersion < -4 && writables.length != 3) {
                  throw new IOException("Incorrect data fortmat. "
                                        + "Name & replication pair expected");
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                mtime = Long.parseLong(((UTF8)writables[2]).toString());
              }
            }
            // get blocks
            aw = new ArrayWritable(Block.class);
            aw.readFields(in);
            writables = aw.get();
            Block blocks[] = new Block[writables.length];
            System.arraycopy(writables, 0, blocks, 0, blocks.length);
            // add to the file tree
            fsDir.unprotectedAddFile(name.toString(), blocks, replication, mtime);
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              dst.readFields(in);
            } else {
              ArrayWritable aw = null;
              Writable writables[];
              aw = new ArrayWritable(UTF8.class);
              aw.readFields(in);
              writables = aw.get();
              if (writables.length != 3) {
                throw new IOException("Incorrect data fortmat. "
                                      + "Mkdir operation.");
              }
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