本文整理匯總了Java中org.apache.hadoop.fs.FileUtil.list方法的典型用法代碼示例。如果您正苦於以下問題:Java FileUtil.list方法的具體用法?Java FileUtil.list怎麽用?Java FileUtil.list使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類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個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: isBPDirEmpty
import org.apache.hadoop.fs.FileUtil; //導入方法依賴的package包/類
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;
}
示例2: cleanupDetachDir
import org.apache.hadoop.fs.FileUtil; //導入方法依賴的package包/類
/**
* 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);
}
}
}
示例3: cleanupDetachDir
import org.apache.hadoop.fs.FileUtil; //導入方法依賴的package包/類
/**
* 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);
}
}
}