本文整理了Java中org.apache.hadoop.fs.FileUtil.canExecute()方法的一些代码示例，展示了FileUtil.canExecute()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。FileUtil.canExecute()方法的具体详情如下：
包路径：org.apache.hadoop.fs.FileUtil
类名称：FileUtil
方法名：canExecute

FileUtil.canExecute介绍

[英]Platform independent implementation for File#canExecute()
[中]文件#canExecute（）的平台独立实现

代码示例

代码示例来源：origin: org.apache.hadoop/hadoop-common

/**
 * Method used to determine if or not node health monitoring service should be
 * started or not. Returns true if following conditions are met:
 * 
 * <ol>
 * <li>Path to Node health check script is not empty</li>
 * <li>Node health check script file exists</li>
 * </ol>
 * 
 * @return true if node health monitoring service can be started.
 */
public static boolean shouldRun(String healthScript) {
 if (healthScript == null || healthScript.trim().isEmpty()) {
  return false;
 }
 File f = new File(healthScript);
 return f.exists() && FileUtil.canExecute(f);
}

代码示例来源：origin: org.apache.hadoop/hadoop-common

/**
 * Checks that the current running process can read, write, and execute the
 * given directory by using methods of the File object.
 * 
 * @param dir File to check
 * @throws DiskErrorException if dir is not readable, not writable, or not
 *   executable
 */
private static void checkAccessByFileMethods(File dir)
  throws DiskErrorException {
 if (!dir.isDirectory()) {
  throw new DiskErrorException("Not a directory: "
    + dir.toString());
 }
 if (!FileUtil.canRead(dir)) {
  throw new DiskErrorException("Directory is not readable: "
                 + dir.toString());
 }
 if (!FileUtil.canWrite(dir)) {
  throw new DiskErrorException("Directory is not writable: "
                 + dir.toString());
 }
 if (!FileUtil.canExecute(dir)) {
  throw new DiskErrorException("Directory is not executable: "
                 + dir.toString());
 }
}

代码示例来源：origin: io.hops/hadoop-common

/**
 * Method used to determine if or not node health monitoring service should be
 * started or not. Returns true if following conditions are met:
 * 
 * <ol>
 * <li>Path to Node health check script is not empty</li>
 * <li>Node health check script file exists</li>
 * </ol>
 * 
 * @return true if node health monitoring service can be started.
 */
public static boolean shouldRun(String healthScript) {
 if (healthScript == null || healthScript.trim().isEmpty()) {
  return false;
 }
 File f = new File(healthScript);
 return f.exists() && FileUtil.canExecute(f);
}

代码示例来源：origin: com.github.jiayuhan-it/hadoop-yarn-server-nodemanager

/**
 * Method used to determine if or not node health monitoring service should be
 * started or not. Returns true if following conditions are met:
 * 
 * <ol>
 * <li>Path to Node health check script is not empty</li>
 * <li>Node health check script file exists</li>
 * </ol>
 * 
 * @param conf
 * @return true if node health monitoring service can be started.
 */
public static boolean shouldRun(Configuration conf) {
 String nodeHealthScript = 
  conf.get(YarnConfiguration.NM_HEALTH_CHECK_SCRIPT_PATH);
 if (nodeHealthScript == null || nodeHealthScript.trim().isEmpty()) {
  return false;
 }
 File f = new File(nodeHealthScript);
 return f.exists() && FileUtil.canExecute(f);
}

代码示例来源：origin: ch.cern.hadoop/hadoop-yarn-server-nodemanager

/**
 * Method used to determine if or not node health monitoring service should be
 * started or not. Returns true if following conditions are met:
 * 
 * <ol>
 * <li>Path to Node health check script is not empty</li>
 * <li>Node health check script file exists</li>
 * </ol>
 * 
 * @param conf
 * @return true if node health monitoring service can be started.
 */
public static boolean shouldRun(Configuration conf) {
 String nodeHealthScript = 
  conf.get(YarnConfiguration.NM_HEALTH_CHECK_SCRIPT_PATH);
 if (nodeHealthScript == null || nodeHealthScript.trim().isEmpty()) {
  return false;
 }
 File f = new File(nodeHealthScript);
 return f.exists() && FileUtil.canExecute(f);
}

代码示例来源：origin: org.apache.hadoop/hadoop-yarn-server-nodemanager

/**
 * Method used to determine if or not node descriptors fetching script is
 * configured and whether it is fit to run. Returns true if following
 * conditions are met:
 *
 * <ol>
 * <li>Path to the script is not empty</li>
 * <li>The script file exists</li>
 * </ol>
 *
 * @throws IOException
 */
protected void verifyConfiguredScript(String scriptPath)
  throws IOException {
 boolean invalidConfiguration;
 if (scriptPath == null
   || scriptPath.trim().isEmpty()) {
  invalidConfiguration = true;
 } else {
  File f = new File(scriptPath);
  invalidConfiguration = !f.exists() || !FileUtil.canExecute(f);
 }
 if (invalidConfiguration) {
  throw new IOException(
    "Node descriptors provider script \"" + scriptPath
      + "\" is not configured properly. Please check whether"
      + " the script path exists, owner and the access rights"
      + " are suitable for NM process to execute it");
 }
}

代码示例来源：origin: io.hops/hadoop-yarn-server-nodemanager

/**
 * Method used to determine if or not node labels fetching script is
 * configured and whether it is fit to run. Returns true if following
 * conditions are met:
 *
 * <ol>
 * <li>Path to Node Labels fetch script is not empty</li>
 * <li>Node Labels fetch script file exists</li>
 * </ol>
 *
 * @throws IOException
 */
private void verifyConfiguredScript()
  throws IOException {
 boolean invalidConfiguration = false;
 if (nodeLabelsScriptPath == null
   || nodeLabelsScriptPath.trim().isEmpty()) {
  invalidConfiguration = true;
 } else {
  File f = new File(nodeLabelsScriptPath);
  invalidConfiguration = !f.exists() || !FileUtil.canExecute(f);
 }
 if (invalidConfiguration) {
  throw new IOException(
    "Distributed Node labels provider script \"" + nodeLabelsScriptPath
      + "\" is not configured properly. Please check whether the script "
      + "path exists, owner and the access rights are suitable for NM "
      + "process to execute it");
 }
}

代码示例来源：origin: com.github.jiayuhan-it/hadoop-common

/**
  * Checks that the current running process can read, write, and execute the
  * given directory by using methods of the File object.
  * 
  * @param dir File to check
  * @throws DiskErrorException if dir is not readable, not writable, or not
  *   executable
  */
 private static void checkAccessByFileMethods(File dir)
   throws DiskErrorException {
  if (!FileUtil.canRead(dir)) {
   throw new DiskErrorException("Directory is not readable: "
                  + dir.toString());
  }

  if (!FileUtil.canWrite(dir)) {
   throw new DiskErrorException("Directory is not writable: "
                  + dir.toString());
  }

  if (!FileUtil.canExecute(dir)) {
   throw new DiskErrorException("Directory is not executable: "
                  + dir.toString());
  }
 }
}

代码示例来源：origin: io.hops/hadoop-common

/**
 * Checks that the current running process can read, write, and execute the
 * given directory by using methods of the File object.
 * 
 * @param dir File to check
 * @throws DiskErrorException if dir is not readable, not writable, or not
 *   executable
 */
private static void checkAccessByFileMethods(File dir)
  throws DiskErrorException {
 if (!dir.isDirectory()) {
  throw new DiskErrorException("Not a directory: "
    + dir.toString());
 }
 if (!FileUtil.canRead(dir)) {
  throw new DiskErrorException("Directory is not readable: "
                 + dir.toString());
 }
 if (!FileUtil.canWrite(dir)) {
  throw new DiskErrorException("Directory is not writable: "
                 + dir.toString());
 }
 if (!FileUtil.canExecute(dir)) {
  throw new DiskErrorException("Directory is not executable: "
                 + dir.toString());
 }
}

代码示例来源：origin: ch.cern.hadoop/hadoop-common

/**
  * Checks that the current running process can read, write, and execute the
  * given directory by using methods of the File object.
  * 
  * @param dir File to check
  * @throws DiskErrorException if dir is not readable, not writable, or not
  *   executable
  */
 private static void checkAccessByFileMethods(File dir)
   throws DiskErrorException {
  if (!FileUtil.canRead(dir)) {
   throw new DiskErrorException("Directory is not readable: "
                  + dir.toString());
  }

  if (!FileUtil.canWrite(dir)) {
   throw new DiskErrorException("Directory is not writable: "
                  + dir.toString());
  }

  if (!FileUtil.canExecute(dir)) {
   throw new DiskErrorException("Directory is not executable: "
                  + dir.toString());
  }
 }
}

代码示例来源：origin: io.prestosql.hadoop/hadoop-apache

/**
  * Checks that the current running process can read, write, and execute the
  * given directory by using methods of the File object.
  * 
  * @param dir File to check
  * @throws DiskErrorException if dir is not readable, not writable, or not
  *   executable
  */
 private static void checkAccessByFileMethods(File dir)
   throws DiskErrorException {
  if (!FileUtil.canRead(dir)) {
   throw new DiskErrorException("Directory is not readable: "
                  + dir.toString());
  }

  if (!FileUtil.canWrite(dir)) {
   throw new DiskErrorException("Directory is not writable: "
                  + dir.toString());
  }

  if (!FileUtil.canExecute(dir)) {
   throw new DiskErrorException("Directory is not executable: "
                  + dir.toString());
  }
 }
}

代码示例来源：origin: ch.cern.hadoop/hadoop-hdfs

/**
 * @return a debug string which can help diagnose an error of why
 * a given directory might have a permissions error in the context
 * of a test case
 */
private String createPermissionsDiagnosisString(File path) {
 StringBuilder sb = new StringBuilder();
 while (path != null) { 
  sb.append("path '" + path + "': ").append("\n");
  sb.append("\tabsolute:").append(path.getAbsolutePath()).append("\n");
  sb.append("\tpermissions: ");
  sb.append(path.isDirectory() ? "d": "-");
  sb.append(FileUtil.canRead(path) ? "r" : "-");
  sb.append(FileUtil.canWrite(path) ? "w" : "-");
  sb.append(FileUtil.canExecute(path) ? "x" : "-");
  sb.append("\n");
  path = path.getParentFile();
 }
 return sb.toString();
}

代码示例来源：origin: com.github.jiayuhan-it/hadoop-mapreduce-client-core

if (!FileUtil.canExecute(new File(executable))) {

代码示例来源：origin: io.hops/hadoop-mapreduce-client-core

if (!FileUtil.canExecute(new File(executable))) {

代码示例来源：origin: ch.cern.hadoop/hadoop-mapreduce-client-core

if (!FileUtil.canExecute(new File(executable))) {

代码示例来源：origin: io.prestosql.hadoop/hadoop-apache

if (!FileUtil.canExecute(new File(executable))) {