Package org.apache.cassandra.utils

Class DirectorySizeCalculator

  • All Implemented Interfaces:
    java.nio.file.FileVisitor<java.nio.file.Path>
    Direct Known Subclasses:
    TableSnapshot.SnapshotTrueSizeCalculator
    public class DirectorySizeCalculator
extends java.nio.file.SimpleFileVisitor<java.nio.file.Path>
    Walks directory recursively, summing up total contents of files within.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      long getAllocatedSize()  
      boolean isAcceptable​(java.nio.file.Path file)  
      protected void resetSize()
      Reset the size to 0 in case that the size calculator is used multiple times
      java.nio.file.FileVisitResult visitFile​(java.nio.file.Path file, java.nio.file.attribute.BasicFileAttributes attrs)  
      java.nio.file.FileVisitResult visitFileFailed​(java.nio.file.Path file, java.io.IOException exc)  

      • Methods inherited from class java.nio.file.SimpleFileVisitor

        postVisitDirectory, preVisitDirectory

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • DirectorySizeCalculator

        public DirectorySizeCalculator()

    • Method Detail

      • isAcceptable

        public boolean isAcceptable​(java.nio.file.Path file)

      • visitFile

        public java.nio.file.FileVisitResult visitFile​(java.nio.file.Path file,
                                               java.nio.file.attribute.BasicFileAttributes attrs)
                                        throws java.io.IOException
        Specified by:
        visitFile in interface java.nio.file.FileVisitor<java.nio.file.Path>
        Overrides:
        visitFile in class java.nio.file.SimpleFileVisitor<java.nio.file.Path>
        Throws:
        java.io.IOException

      • visitFileFailed

        public java.nio.file.FileVisitResult visitFileFailed​(java.nio.file.Path file,
                                                     java.io.IOException exc)
        Specified by:
        visitFileFailed in interface java.nio.file.FileVisitor<java.nio.file.Path>
        Overrides:
        visitFileFailed in class java.nio.file.SimpleFileVisitor<java.nio.file.Path>

      • getAllocatedSize

        public long getAllocatedSize()

      • resetSize

        protected void resetSize()
        Reset the size to 0 in case that the size calculator is used multiple times