The org.apache.hadoop.fs.FileSystem is a package library in Java that provides a set of interfaces that can be implemented by various Hadoop Distributed File System (HDFS) clients. The isFile method is a boolean function that checks whether a specified file path is a file or not. Here are some code examples:
This code creates a FileSystem object using a configuration, specifies a file path to myfile.txt, and uses the isFile method to determine if the path is a file. The result is then printed to the console.
Example 2:
FileSystem fs = FileSystem.get(new Configuration()); FileStatus[] status = fs.listStatus(new Path("/path/to/folder")); for (FileStatus s : status) { if (s.isFile()) { System.out.println(s.getPath()); } }
This code creates a FileSystem object using a configuration, lists the status of all files in a specified folder, and then checks each file to see if it is a file using the isFile method. If it is a file, the file path is printed to the console.
Overall, the org.apache.hadoop.fs package library is part of the Hadoop framework and provides a set of interfaces and classes that allow Java programs to interact with HDFS.
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