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Java FileUtil.list方法代码示例

本文整理汇总了Java中org.apache.hadoop.fs.FileUtil.list方法的典型用法代码示例。如果您正苦于以下问题:Java FileUtil.list方法的具体用法?Java FileUtil.list怎么用?Java FileUtil.list使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在org.apache.hadoop.fs.FileUtil的用法示例。


在下文中一共展示了FileUtil.list方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: isBPDirEmpty

import org.apache.hadoop.fs.FileUtil; //导入方法依赖的package包/类
boolean isBPDirEmpty(String bpid) throws IOException {
  File volumeCurrentDir = this.getCurrentDir();
  File bpDir = new File(volumeCurrentDir, bpid);
  File bpCurrentDir = new File(bpDir, DataStorage.STORAGE_DIR_CURRENT);
  File finalizedDir = new File(bpCurrentDir,
      DataStorage.STORAGE_DIR_FINALIZED);
  File rbwDir = new File(bpCurrentDir, DataStorage.STORAGE_DIR_RBW);
  if (finalizedDir.exists() && !DatanodeUtil.dirNoFilesRecursive(
      finalizedDir)) {
    return false;
  }
  if (rbwDir.exists() && FileUtil.list(rbwDir).length != 0) {
    return false;
  }
  return true;
}
 
开发者ID:naver,项目名称:hadoop,代码行数:17,代码来源:FsVolumeImpl.java

示例2: cleanupDetachDir

import org.apache.hadoop.fs.FileUtil; //导入方法依赖的package包/类
/**
 * Cleanup the detachDir.
 * 
 * If the directory is not empty report an error; Otherwise remove the
 * directory.
 * 
 * @param detachDir detach directory
 * @throws IOException if the directory is not empty or it can not be removed
 */
private void cleanupDetachDir(File detachDir) throws IOException {
  if (!DataNodeLayoutVersion.supports(
      LayoutVersion.Feature.APPEND_RBW_DIR, layoutVersion)
      && detachDir.exists() && detachDir.isDirectory()) {

    if (FileUtil.list(detachDir).length != 0) {
      throw new IOException("Detached directory " + detachDir
          + " is not empty. Please manually move each file under this "
          + "directory to the finalized directory if the finalized "
          + "directory tree does not have the file.");
    } else if (!detachDir.delete()) {
      throw new IOException("Cannot remove directory " + detachDir);
    }
  }
}
 
开发者ID:naver,项目名称:hadoop,代码行数:25,代码来源:BlockPoolSliceStorage.java

示例3: cleanupDetachDir

import org.apache.hadoop.fs.FileUtil; //导入方法依赖的package包/类
/**
 * Cleanup the detachDir. 
 * 
 * If the directory is not empty report an error; 
 * Otherwise remove the directory.
 * 
 * @param detachDir detach directory
 * @throws IOException if the directory is not empty or it can not be removed
 */
private void cleanupDetachDir(File detachDir) throws IOException {
  if (!DataNodeLayoutVersion.supports(
      LayoutVersion.Feature.APPEND_RBW_DIR, layoutVersion) &&
      detachDir.exists() && detachDir.isDirectory() ) {
    
      if (FileUtil.list(detachDir).length != 0 ) {
        throw new IOException("Detached directory " + detachDir +
            " is not empty. Please manually move each file under this " +
            "directory to the finalized directory if the finalized " +
            "directory tree does not have the file.");
      } else if (!detachDir.delete()) {
        throw new IOException("Cannot remove directory " + detachDir);
      }
  }
}
 
开发者ID:naver,项目名称:hadoop,代码行数:25,代码来源:DataStorage.java


注:本文中的org.apache.hadoop.fs.FileUtil.list方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。