be/src/util/path-builder.h

// Licensed to the Apache Software Foundation (ASF) under one
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// distributed with this work for additional information
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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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#ifndef IMPALA_UTIL_PATH_BUILDER_H
#define IMPALA_UTIL_PATH_BUILDER_H

#include <string>

namespace impala {

/// Utility class to construct full paths relative to the impala_home path.
class PathBuilder {
 public:
  /// Sets full_path to <IMPALA_HOME>/path
  static void GetFullPath(const std::string& path, std::string* full_path);

  /// Sets full_path to <IMPALA_HOME>/<build><debug OR release>/path
  static void GetFullBuildPath(const std::string& path, std::string* full_path);

 private:
  /// Cache of env['IMPALA_HOME']
  static const char* impala_home_;

  /// Load impala_home_ if it is not already loaded
  static void LoadImpalaHome();
};

}

#endif