import org.apache.hadoop.tools.rumen.state.StatePool; //导入依赖的package包/类
private void anonymize(StatePool statePool, Configuration conf) {
  FileNameState fState = (FileNameState) statePool.getState(getClass());
  if (fState == null) {
    fState = new FileNameState();
    statePool.addState(getClass(), fState);
  }
  
  String[] files = StringUtils.split(fileName);
  String[] anonymizedFileNames = new String[files.length];
  int i = 0;
  for (String f : files) {
    anonymizedFileNames[i++] = 
      anonymize(statePool, conf, fState, f);
  }

  anonymizedFileName = StringUtils.arrayToString(anonymizedFileNames);
}
 

import org.apache.hadoop.tools.rumen.state.StatePool; //导入依赖的package包/类
private void anonymize(StatePool pool) {
  StringBuffer buf = new StringBuffer();
  NodeNameState state = (NodeNameState) pool.getState(getClass());
  if (state == null) {
    state = new NodeNameState();
    pool.addState(getClass(), state);
  }
  
  if (rackName != null && hostName != null) {
    buf.append('/');
    buf.append(anonymize(rackName, state.getRackNameState()));
    buf.append('/');
    buf.append(anonymize(hostName, state.getHostNameState()));
  } else {
    if (state.getRackNameState().contains(nodeName) || rackName != null) {
      buf.append(anonymize(nodeName, state.getRackNameState()));
    } else {
      buf.append(anonymize(nodeName, state.getHostNameState()));
    }
  }
  
  anonymizedNodeName = buf.toString();
}
 

import org.apache.hadoop.tools.rumen.state.StatePool; //导入依赖的package包/类
@Override
public String getAnonymizedValue(StatePool statePool, 
                                 Configuration conf) {
  if (anonymizedFileName == null) {
    anonymize(statePool, conf);
  }
  return anonymizedFileName;
}
 

import org.apache.hadoop.tools.rumen.state.StatePool; //导入依赖的package包/类
@Override
public String getAnonymizedValue(StatePool statePool, Configuration conf) {
  if (this.getValue().equals(ROOT.getValue())) {
    return getValue();
  }
  if (anonymizedNodeName == null) {
    anonymize(statePool);
  }
  return anonymizedNodeName;
}