https://cassandra.apache.org: The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
  • Andres de la Peña
  • Avinash Lakshman
  • Aleksey Yeschenko
  • Aaron Morton
  • Ariel Weisberg
  • Blake Eggleston
  • Benedict Elliott Smith
  • Benjamin Lerer
  • Branimir Lambov
  • Brandon Williams
  • Carl Yeksigian
  • David Brosiusd
  • Dikang Gu
  • Eric Evans
  • Gary Dusbabek
  • Chris Goffinet
  • Alex Petrov
  • Laine Jaakko Olavi
  • T Jake Luciani
  • Jason Brown
  • Jonathan Ellis
  • Jake Farrell
  • Jeff Jirsa
  • Joel Knighton
  • Josh McKenzie
  • Johan Oskarsson
  • Jun Rao
  • Jay Zhuang
  • Sankalp Kohli
  • Marcus Eriksson
  • Michael Semb Wever
  • Mikhail Stepura
  • Michael Shuler
  • Paulo Motta
  • Prashant Malik
  • Robert Stupp
  • Peter Schuller
  • Sam Tunnicliffe
  • Sylvain Lebresne
  • Stefania Alborghetti
  • Tyler Hobbs
  • Vijay Parthasarathy
  • Pavel Yaskevich
  • Yuki Morishita
  • Nate McCall 
public class org.apache.cassandra.db.WindowsFailedSnapshotTracker
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.cassandra.db.WindowsFailedSnapshotTracker
  super_class: java.lang.Object
{
  private static final org.slf4j.Logger logger;
    descriptor: Lorg/slf4j/Logger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static java.io.PrintWriter _failedSnapshotFile;
    descriptor: Ljava/io/PrintWriter;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  public static final java.lang.String TODELETEFILE;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.VisibleForTesting()

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 38
            ldc Lorg/apache/cassandra/db/WindowsFailedSnapshotTracker;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.$assertionsDisabled:Z
         3: .line 40
            ldc Lorg/apache/cassandra/db/WindowsFailedSnapshotTracker;
            invokestatic org.slf4j.LoggerFactory.getLogger:(Ljava/lang/Class;)Lorg/slf4j/Logger;
            putstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.logger:Lorg/slf4j/Logger;
         4: .line 45
            ldc "CASSANDRA_HOME"
            invokestatic java.lang.System.getenv:(Ljava/lang/String;)Ljava/lang/String;
            ifnonnull 6
         5: .line 46
            ldc ".toDelete"
            goto 7
         6: .line 47
      StackMap locals:
      StackMap stack:
            new java.lang.StringBuilder
            dup
            ldc "CASSANDRA_HOME"
            invokestatic java.lang.System.getenv:(Ljava/lang/String;)Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            getstatic java.io.File.separator:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc ".toDelete"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         7: .line 45
      StackMap locals:
      StackMap stack: java.lang.String
            putstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.TODELETEFILE:Ljava/lang/String;
         8: .line 47
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.db.WindowsFailedSnapshotTracker this
         0: .line 38
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.apache.cassandra.db.WindowsFailedSnapshotTracker this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/db/WindowsFailedSnapshotTracker;

  public static void deleteOldSnapshots();
    descriptor: ()V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=7, locals=10, args_size=0
         0: .line 51
            new java.io.File
            dup
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.TODELETEFILE:Ljava/lang/String;
            invokespecial java.io.File.<init>:(Ljava/lang/String;)V
            invokevirtual java.io.File.exists:()Z
            ifeq 29
         1: .line 55
            aconst_null
            astore 0
            aconst_null
            astore 1
         2: new java.io.BufferedReader
            dup
            new java.io.FileReader
            dup
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.TODELETEFILE:Ljava/lang/String;
            invokespecial java.io.FileReader.<init>:(Ljava/lang/String;)V
            invokespecial java.io.BufferedReader.<init>:(Ljava/io/Reader;)V
            astore 2 /* reader */
        start local 2 // java.io.BufferedReader reader
         3: .line 58
            goto 17
        start local 3 // java.lang.String snapshotDirectory
         4: .line 60
      StackMap locals: java.lang.Throwable java.lang.Throwable java.io.BufferedReader java.lang.String
      StackMap stack:
            new java.io.File
            dup
            aload 3 /* snapshotDirectory */
            invokespecial java.io.File.<init>:(Ljava/lang/String;)V
            astore 4 /* f */
        start local 4 // java.io.File f
         5: .line 64
            new java.io.File
            dup
            ldc "TEMP"
            invokestatic java.lang.System.getenv:(Ljava/lang/String;)Ljava/lang/String;
            invokespecial java.io.File.<init>:(Ljava/lang/String;)V
            aload 4 /* f */
            invokestatic org.apache.cassandra.io.util.FileUtils.isSubDirectory:(Ljava/io/File;Ljava/io/File;)Z
            istore 5 /* validFolder */
        start local 5 // boolean validFolder
         6: .line 65
            invokestatic org.apache.cassandra.config.DatabaseDescriptor.getAllDataFileLocations:()[Ljava/lang/String;
            dup
            astore 9
            arraylength
            istore 8
            iconst_0
            istore 7
            goto 10
      StackMap locals: java.lang.Throwable java.lang.Throwable java.io.BufferedReader java.lang.String java.io.File int top int int java.lang.String[]
      StackMap stack:
         7: aload 9
            iload 7
            aaload
            astore 6 /* s */
        start local 6 // java.lang.String s
         8: .line 66
            iload 5 /* validFolder */
            new java.io.File
            dup
            aload 6 /* s */
            invokespecial java.io.File.<init>:(Ljava/lang/String;)V
            aload 4 /* f */
            invokestatic org.apache.cassandra.io.util.FileUtils.isSubDirectory:(Ljava/io/File;Ljava/io/File;)Z
            ior
            istore 5 /* validFolder */
        end local 6 // java.lang.String s
         9: .line 65
            iinc 7 1
      StackMap locals:
      StackMap stack:
        10: iload 7
            iload 8
            if_icmplt 7
        11: .line 68
            iload 5 /* validFolder */
            ifne 14
        12: .line 70
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.logger:Lorg/slf4j/Logger;
            ldc "Skipping invalid directory found in .toDelete: {}. Only %TEMP% or data file subdirectories are valid."
            aload 4 /* f */
            invokeinterface org.slf4j.Logger.warn:(Ljava/lang/String;Ljava/lang/Object;)V
        13: .line 71
            goto 17
        14: .line 75
      StackMap locals: java.lang.Throwable java.lang.Throwable java.io.BufferedReader java.lang.String java.io.File int
      StackMap stack:
            aload 4 /* f */
            invokevirtual java.io.File.exists:()Z
            ifeq 17
        15: .line 77
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.logger:Lorg/slf4j/Logger;
            ldc "Discovered obsolete snapshot. Deleting directory [{}]"
            aload 3 /* snapshotDirectory */
            invokeinterface org.slf4j.Logger.warn:(Ljava/lang/String;Ljava/lang/Object;)V
        16: .line 78
            new java.io.File
            dup
            aload 3 /* snapshotDirectory */
            invokespecial java.io.File.<init>:(Ljava/lang/String;)V
            invokestatic org.apache.cassandra.io.util.FileUtils.deleteRecursive:(Ljava/io/File;)V
        end local 5 // boolean validFolder
        end local 4 // java.io.File f
        end local 3 // java.lang.String snapshotDirectory
        17: .line 58
      StackMap locals:
      StackMap stack:
            aload 2 /* reader */
            invokevirtual java.io.BufferedReader.readLine:()Ljava/lang/String;
            dup
            astore 3 /* snapshotDirectory */
        start local 3 // java.lang.String snapshotDirectory
        18: ifnonnull 4
        end local 3 // java.lang.String snapshotDirectory
        19: .line 81
            aload 2 /* reader */
            ifnull 25
            aload 2 /* reader */
            invokevirtual java.io.BufferedReader.close:()V
            goto 25
      StackMap locals:
      StackMap stack: java.lang.Throwable
        20: astore 0
            aload 2 /* reader */
            ifnull 21
            aload 2 /* reader */
            invokevirtual java.io.BufferedReader.close:()V
        end local 2 // java.io.BufferedReader reader
      StackMap locals:
      StackMap stack:
        21: aload 0
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        22: astore 1
            aload 0
            ifnonnull 23
            aload 1
            astore 0
            goto 24
      StackMap locals:
      StackMap stack:
        23: aload 0
            aload 1
            if_acmpeq 24
            aload 0
            aload 1
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        24: aload 0
            athrow
        25: .line 84
      StackMap locals:
      StackMap stack:
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.TODELETEFILE:Ljava/lang/String;
            iconst_0
            anewarray java.lang.String
            invokestatic java.nio.file.Paths.get:(Ljava/lang/String;[Ljava/lang/String;)Ljava/nio/file/Path;
            invokestatic java.nio.file.Files.delete:(Ljava/nio/file/Path;)V
        26: .line 85
            goto 29
        27: .line 86
      StackMap locals:
      StackMap stack: java.io.IOException
            astore 0 /* e */
        start local 0 // java.io.IOException e
        28: .line 88
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.logger:Lorg/slf4j/Logger;
            ldc "Failed to open {}. Obsolete snapshots from previous runs will not be deleted."
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.TODELETEFILE:Ljava/lang/String;
            aload 0 /* e */
            invokeinterface org.slf4j.Logger.warn:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
        end local 0 // java.io.IOException e
        29: .line 94
      StackMap locals:
      StackMap stack:
            new java.io.PrintWriter
            dup
            new java.io.FileWriter
            dup
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.TODELETEFILE:Ljava/lang/String;
            iconst_1
            invokespecial java.io.FileWriter.<init>:(Ljava/lang/String;Z)V
            invokespecial java.io.PrintWriter.<init>:(Ljava/io/Writer;)V
            putstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker._failedSnapshotFile:Ljava/io/PrintWriter;
        30: .line 95
            goto 33
        31: .line 96
      StackMap locals:
      StackMap stack: java.io.IOException
            pop
        32: .line 98
            new java.lang.RuntimeException
            dup
            ldc "Failed to create failed snapshot tracking file [%s]. Aborting"
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.TODELETEFILE:Ljava/lang/String;
            aastore
            invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;)V
            athrow
        33: .line 100
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            3   21     2             reader  Ljava/io/BufferedReader;
            4   17     3  snapshotDirectory  Ljava/lang/String;
           18   19     3  snapshotDirectory  Ljava/lang/String;
            5   17     4                  f  Ljava/io/File;
            6   17     5        validFolder  Z
            8    9     6                  s  Ljava/lang/String;
           28   29     0                  e  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           3    19      20  any
           2    22      22  any
           1    26      27  Class java.io.IOException
          29    30      31  Class java.io.IOException

  public static synchronized void handleFailedSnapshot(java.io.File);
    descriptor: (Ljava/io/File;)V
    flags: (0x0029) ACC_PUBLIC, ACC_STATIC, ACC_SYNCHRONIZED
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.io.File dir
         0: .line 104
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker.$assertionsDisabled:Z
            ifne 1
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker._failedSnapshotFile:Ljava/io/PrintWriter;
            ifnonnull 1
            new java.lang.AssertionError
            dup
            ldc "_failedSnapshotFile not initialized within WindowsFailedSnapshotTracker"
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         1: .line 105
      StackMap locals:
      StackMap stack:
            aload 0 /* dir */
            invokestatic org.apache.cassandra.io.util.FileUtils.deleteRecursiveOnExit:(Ljava/io/File;)V
         2: .line 106
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker._failedSnapshotFile:Ljava/io/PrintWriter;
            aload 0 /* dir */
            invokevirtual java.io.File.toString:()Ljava/lang/String;
            invokevirtual java.io.PrintWriter.println:(Ljava/lang/String;)V
         3: .line 107
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker._failedSnapshotFile:Ljava/io/PrintWriter;
            invokevirtual java.io.PrintWriter.flush:()V
         4: .line 108
            return
        end local 0 // java.io.File dir
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0   dir  Ljava/io/File;
    MethodParameters:
      Name  Flags
      dir   

  public static void resetForTests();
    descriptor: ()V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 113
            getstatic org.apache.cassandra.db.WindowsFailedSnapshotTracker._failedSnapshotFile:Ljava/io/PrintWriter;
            invokevirtual java.io.PrintWriter.close:()V
         1: .line 114
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.VisibleForTesting()
}
SourceFile: "WindowsFailedSnapshotTracker.java"