Package org.apache.hadoop.io

Examples of org.apache.hadoop.io.UTF8.readFields()

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            UTF8 dst = null;
            if (logVersion >= -4) {
              src = new UTF8();
              dst = new UTF8();
              src.readFields(in);
              dst.readFields(in);
            } else {
              ArrayWritable aw = null;
              Writable writables[];
              aw = new ArrayWritable(UTF8.class);
              aw.readFields(in);
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          }
          case OP_DELETE: {
            UTF8 src = null;
            if (logVersion >= -4) {
              src = new UTF8();
              src.readFields(in);
            } else {
              ArrayWritable aw = null;
              Writable writables[];
              aw = new ArrayWritable(UTF8.class);
              aw.readFields(in);
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          }
          case OP_MKDIR: {
            UTF8 src = null;
            if (logVersion >= -4) {
              src = new UTF8();
              src.readFields(in);
            } else {
              ArrayWritable aw = null;
              Writable writables[];
              aw = new ArrayWritable(UTF8.class);
              aw.readFields(in);
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      // read file info
      short replication = FSNamesystem.getFSNamesystem().getDefaultReplication();
      for (int i = 0; i < numFiles; i++) {
        UTF8 name = new UTF8();
        long modificationTime = 0;
        name.readFields(in);
        // version 0 does not support per file replication
        if (!(imgVersion >= 0)) {
          replication = in.readShort(); // other versions do
          replication = FSEditLog.adjustReplication(replication);
        }
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        // read file info
        short replication = (short)conf.getInt("dfs.replication", 3);
        for (int i = 0; i < numFiles; i++) {
          UTF8 name = new UTF8();
          name.readFields(in);
          // version 0 does not support per file replication
          if( !(imgVersion >= 0) ) {
            replication = in.readShort(); // other versions do
            replication = FSEditLog.adjustReplication( replication, conf );
          }
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            UTF8 name = new UTF8();
            ArrayWritable aw = null;
            Writable writables[];
            // version 0 does not support per file replication
            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();
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          }
          case OP_SET_REPLICATION: {
            UTF8 src = new UTF8();
            UTF8 repl = new UTF8();
            src.readFields(in);
            repl.readFields(in);
            replication = adjustReplication(
                            fromLogReplication(repl),
                            conf);
            fsDir.unprotectedSetReplication(src.toString(),
                replication,
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          }
          case OP_RENAME: {
            UTF8 src = new UTF8();
            UTF8 dst = new UTF8();
            src.readFields(in);
            dst.readFields(in);
            fsDir.unprotectedRenameTo(src, dst);
            break;
          }
          case OP_DELETE: {
            UTF8 src = new UTF8();
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            fsDir.unprotectedRenameTo(src, dst);
            break;
          }
          case OP_DELETE: {
            UTF8 src = new UTF8();
            src.readFields(in);
            fsDir.unprotectedDelete(src);
            break;
          }
          case OP_MKDIR: {
            UTF8 src = new UTF8();
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            fsDir.unprotectedDelete(src);
            break;
          }
          case OP_MKDIR: {
            UTF8 src = new UTF8();
            src.readFields(in);
            fsDir.unprotectedMkdir(src.toString());
            break;
          }
          case OP_DATANODE_ADD: {
            if( logVersion > -3 )
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