public final class org.apache.lucene.index.IndexUpgrader
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.apache.lucene.index.IndexUpgrader
  super_class: java.lang.Object
{
  private static final java.lang.String LOG_PREFIX;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "IndexUpgrader"

  private final org.apache.lucene.store.Directory dir;
    descriptor: Lorg/apache/lucene/store/Directory;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.lucene.index.IndexWriterConfig iwc;
    descriptor: Lorg/apache/lucene/index/IndexWriterConfig;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final boolean deletePriorCommits;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  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=1, locals=0, args_size=0
         0: .line 54
            ldc Lorg/apache/lucene/index/IndexUpgrader;
            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.lucene.index.IndexUpgrader.$assertionsDisabled:Z
         3: .line 56
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static void printUsage();
    descriptor: ()V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 60
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "Upgrades an index so all segments created with a previous Lucene version are rewritten."
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         1: .line 61
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "Usage:"
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         2: .line 62
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            new java.lang.StringBuilder
            dup
            ldc "  java "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc Lorg/apache/lucene/index/IndexUpgrader;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " [-delete-prior-commits] [-verbose] [-dir-impl X] indexDir"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         3: .line 63
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "This tool keeps only the last commit in an index; for this"
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         4: .line 64
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "reason, if the incoming index has more than one commit, the tool"
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         5: .line 65
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "refuses to run by default. Specify -delete-prior-commits to override"
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         6: .line 66
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "this, allowing the tool to delete all but the last commit."
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         7: .line 67
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            new java.lang.StringBuilder
            dup
            ldc "Specify a "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc Lorg/apache/lucene/store/FSDirectory;
            invokevirtual java.lang.Class.getSimpleName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         8: .line 68
            ldc " implementation through the -dir-impl option to force its use. If no package is specified the "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         9: .line 69
            ldc Lorg/apache/lucene/store/FSDirectory;
            invokevirtual java.lang.Class.getPackage:()Ljava/lang/Package;
            invokevirtual java.lang.Package.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " package will be used."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        10: .line 67
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        11: .line 70
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "WARNING: This tool may reorder document IDs!"
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        12: .line 71
            iconst_1
            invokestatic java.lang.System.exit:(I)V
        13: .line 72
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    RuntimeInvisibleAnnotations: 
      org.apache.lucene.util.SuppressForbidden(reason = "System.out required: command line tool")

  public static void main(java.lang.String[]);
    descriptor: ([Ljava/lang/String;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.lang.String[] args
         0: .line 78
            aload 0 /* args */
            invokestatic org.apache.lucene.index.IndexUpgrader.parseArgs:([Ljava/lang/String;)Lorg/apache/lucene/index/IndexUpgrader;
            invokevirtual org.apache.lucene.index.IndexUpgrader.upgrade:()V
         1: .line 79
            return
        end local 0 // java.lang.String[] args
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  args  [Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      args  

  static org.apache.lucene.index.IndexUpgrader parseArgs(java.lang.String[]);
    descriptor: ([Ljava/lang/String;)Lorg/apache/lucene/index/IndexUpgrader;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=5, locals=8, args_size=1
        start local 0 // java.lang.String[] args
         0: .line 83
            aconst_null
            astore 1 /* path */
        start local 1 // java.lang.String path
         1: .line 84
            iconst_0
            istore 2 /* deletePriorCommits */
        start local 2 // boolean deletePriorCommits
         2: .line 85
            aconst_null
            astore 3 /* out */
        start local 3 // org.apache.lucene.util.InfoStream out
         3: .line 86
            aconst_null
            astore 4 /* dirImpl */
        start local 4 // java.lang.String dirImpl
         4: .line 87
            iconst_0
            istore 5 /* i */
        start local 5 // int i
         5: .line 88
            goto 25
         6: .line 89
      StackMap locals: java.lang.String[] java.lang.String int org.apache.lucene.util.InfoStream java.lang.String int
      StackMap stack:
            aload 0 /* args */
            iload 5 /* i */
            aaload
            astore 6 /* arg */
        start local 6 // java.lang.String arg
         7: .line 90
            ldc "-delete-prior-commits"
            aload 6 /* arg */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 10
         8: .line 91
            iconst_1
            istore 2 /* deletePriorCommits */
         9: .line 92
            goto 24
      StackMap locals: java.lang.String
      StackMap stack:
        10: ldc "-verbose"
            aload 6 /* arg */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 13
        11: .line 93
            new org.apache.lucene.util.PrintStreamInfoStream
            dup
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            invokespecial org.apache.lucene.util.PrintStreamInfoStream.<init>:(Ljava/io/PrintStream;)V
            astore 3 /* out */
        12: .line 94
            goto 24
      StackMap locals:
      StackMap stack:
        13: ldc "-dir-impl"
            aload 6 /* arg */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 20
        14: .line 95
            iload 5 /* i */
            aload 0 /* args */
            arraylength
            iconst_1
            isub
            if_icmpne 17
        15: .line 96
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            ldc "ERROR: missing value for -dir-impl option"
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        16: .line 97
            iconst_1
            invokestatic java.lang.System.exit:(I)V
        17: .line 99
      StackMap locals:
      StackMap stack:
            iinc 5 /* i */ 1
        18: .line 100
            aload 0 /* args */
            iload 5 /* i */
            aaload
            astore 4 /* dirImpl */
        19: .line 101
            goto 24
      StackMap locals:
      StackMap stack:
        20: aload 1 /* path */
            ifnonnull 23
        21: .line 102
            aload 6 /* arg */
            astore 1 /* path */
        22: .line 103
            goto 24
        23: .line 104
      StackMap locals:
      StackMap stack:
            invokestatic org.apache.lucene.index.IndexUpgrader.printUsage:()V
        24: .line 106
      StackMap locals:
      StackMap stack:
            iinc 5 /* i */ 1
        end local 6 // java.lang.String arg
        25: .line 88
      StackMap locals:
      StackMap stack:
            iload 5 /* i */
            aload 0 /* args */
            arraylength
            if_icmplt 6
        26: .line 108
            aload 1 /* path */
            ifnonnull 28
        27: .line 109
            invokestatic org.apache.lucene.index.IndexUpgrader.printUsage:()V
        28: .line 112
      StackMap locals:
      StackMap stack:
            aload 1 /* path */
            iconst_0
            anewarray java.lang.String
            invokestatic java.nio.file.Paths.get:(Ljava/lang/String;[Ljava/lang/String;)Ljava/nio/file/Path;
            astore 6 /* p */
        start local 6 // java.nio.file.Path p
        29: .line 113
            aconst_null
            astore 7 /* dir */
        start local 7 // org.apache.lucene.store.Directory dir
        30: .line 114
            aload 4 /* dirImpl */
            ifnonnull 33
        31: .line 115
            aload 6 /* p */
            invokestatic org.apache.lucene.store.FSDirectory.open:(Ljava/nio/file/Path;)Lorg/apache/lucene/store/FSDirectory;
            astore 7 /* dir */
        32: .line 116
            goto 34
        33: .line 117
      StackMap locals: java.nio.file.Path org.apache.lucene.store.Directory
      StackMap stack:
            aload 4 /* dirImpl */
            aload 6 /* p */
            invokestatic org.apache.lucene.util.CommandLineUtil.newFSDirectory:(Ljava/lang/String;Ljava/nio/file/Path;)Lorg/apache/lucene/store/FSDirectory;
            astore 7 /* dir */
        34: .line 119
      StackMap locals:
      StackMap stack:
            new org.apache.lucene.index.IndexUpgrader
            dup
            aload 7 /* dir */
            aload 3 /* out */
            iload 2 /* deletePriorCommits */
            invokespecial org.apache.lucene.index.IndexUpgrader.<init>:(Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/util/InfoStream;Z)V
            areturn
        end local 7 // org.apache.lucene.store.Directory dir
        end local 6 // java.nio.file.Path p
        end local 5 // int i
        end local 4 // java.lang.String dirImpl
        end local 3 // org.apache.lucene.util.InfoStream out
        end local 2 // boolean deletePriorCommits
        end local 1 // java.lang.String path
        end local 0 // java.lang.String[] args
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0   35     0                args  [Ljava/lang/String;
            1   35     1                path  Ljava/lang/String;
            2   35     2  deletePriorCommits  Z
            3   35     3                 out  Lorg/apache/lucene/util/InfoStream;
            4   35     4             dirImpl  Ljava/lang/String;
            5   35     5                   i  I
            7   25     6                 arg  Ljava/lang/String;
           29   35     6                   p  Ljava/nio/file/Path;
           30   35     7                 dir  Lorg/apache/lucene/store/Directory;
    Exceptions:
      throws java.io.IOException
    RuntimeInvisibleAnnotations: 
      org.apache.lucene.util.SuppressForbidden(reason = "System.out required: command line tool")
    MethodParameters:
      Name  Flags
      args  

  public void <init>(org.apache.lucene.store.Directory);
    descriptor: (Lorg/apache/lucene/store/Directory;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.apache.lucene.index.IndexUpgrader this
        start local 1 // org.apache.lucene.store.Directory dir
         0: .line 129
            aload 0 /* this */
            aload 1 /* dir */
            new org.apache.lucene.index.IndexWriterConfig
            dup
            aconst_null
            invokespecial org.apache.lucene.index.IndexWriterConfig.<init>:(Lorg/apache/lucene/analysis/Analyzer;)V
            iconst_0
            invokespecial org.apache.lucene.index.IndexUpgrader.<init>:(Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/index/IndexWriterConfig;Z)V
         1: .line 130
            return
        end local 1 // org.apache.lucene.store.Directory dir
        end local 0 // org.apache.lucene.index.IndexUpgrader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/lucene/index/IndexUpgrader;
            0    2     1   dir  Lorg/apache/lucene/store/Directory;
    MethodParameters:
      Name  Flags
      dir   

  public void <init>(org.apache.lucene.store.Directory, org.apache.lucene.util.InfoStream, boolean);
    descriptor: (Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/util/InfoStream;Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // org.apache.lucene.index.IndexUpgrader this
        start local 1 // org.apache.lucene.store.Directory dir
        start local 2 // org.apache.lucene.util.InfoStream infoStream
        start local 3 // boolean deletePriorCommits
         0: .line 136
            aload 0 /* this */
            aload 1 /* dir */
            new org.apache.lucene.index.IndexWriterConfig
            dup
            aconst_null
            invokespecial org.apache.lucene.index.IndexWriterConfig.<init>:(Lorg/apache/lucene/analysis/Analyzer;)V
            iload 3 /* deletePriorCommits */
            invokespecial org.apache.lucene.index.IndexUpgrader.<init>:(Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/index/IndexWriterConfig;Z)V
         1: .line 137
            aload 2 /* infoStream */
            ifnull 3
         2: .line 138
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexUpgrader.iwc:Lorg/apache/lucene/index/IndexWriterConfig;
            aload 2 /* infoStream */
            invokevirtual org.apache.lucene.index.IndexWriterConfig.setInfoStream:(Lorg/apache/lucene/util/InfoStream;)Lorg/apache/lucene/index/IndexWriterConfig;
            pop
         3: .line 140
      StackMap locals: org.apache.lucene.index.IndexUpgrader org.apache.lucene.store.Directory org.apache.lucene.util.InfoStream int
      StackMap stack:
            return
        end local 3 // boolean deletePriorCommits
        end local 2 // org.apache.lucene.util.InfoStream infoStream
        end local 1 // org.apache.lucene.store.Directory dir
        end local 0 // org.apache.lucene.index.IndexUpgrader this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0    4     0                this  Lorg/apache/lucene/index/IndexUpgrader;
            0    4     1                 dir  Lorg/apache/lucene/store/Directory;
            0    4     2          infoStream  Lorg/apache/lucene/util/InfoStream;
            0    4     3  deletePriorCommits  Z
    MethodParameters:
                    Name  Flags
      dir                 
      infoStream          
      deletePriorCommits  

  public void <init>(org.apache.lucene.store.Directory, org.apache.lucene.index.IndexWriterConfig, boolean);
    descriptor: (Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/index/IndexWriterConfig;Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // org.apache.lucene.index.IndexUpgrader this
        start local 1 // org.apache.lucene.store.Directory dir
        start local 2 // org.apache.lucene.index.IndexWriterConfig iwc
        start local 3 // boolean deletePriorCommits
         0: .line 145
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 146
            aload 0 /* this */
            aload 1 /* dir */
            putfield org.apache.lucene.index.IndexUpgrader.dir:Lorg/apache/lucene/store/Directory;
         2: .line 147
            aload 0 /* this */
            aload 2 /* iwc */
            putfield org.apache.lucene.index.IndexUpgrader.iwc:Lorg/apache/lucene/index/IndexWriterConfig;
         3: .line 148
            aload 0 /* this */
            iload 3 /* deletePriorCommits */
            putfield org.apache.lucene.index.IndexUpgrader.deletePriorCommits:Z
         4: .line 149
            return
        end local 3 // boolean deletePriorCommits
        end local 2 // org.apache.lucene.index.IndexWriterConfig iwc
        end local 1 // org.apache.lucene.store.Directory dir
        end local 0 // org.apache.lucene.index.IndexUpgrader this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0    5     0                this  Lorg/apache/lucene/index/IndexUpgrader;
            0    5     1                 dir  Lorg/apache/lucene/store/Directory;
            0    5     2                 iwc  Lorg/apache/lucene/index/IndexWriterConfig;
            0    5     3  deletePriorCommits  Z
    MethodParameters:
                    Name  Flags
      dir                 
      iwc                 
      deletePriorCommits  

  public void upgrade();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=1
        start local 0 // org.apache.lucene.index.IndexUpgrader this
         0: .line 153
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexUpgrader.dir:Lorg/apache/lucene/store/Directory;
            invokestatic org.apache.lucene.index.DirectoryReader.indexExists:(Lorg/apache/lucene/store/Directory;)Z
            ifne 2
         1: .line 154
            new org.apache.lucene.index.IndexNotFoundException
            dup
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexUpgrader.dir:Lorg/apache/lucene/store/Directory;
            invokevirtual org.apache.lucene.store.Directory.toString:()Ljava/lang/String;
            invokespecial org.apache.lucene.index.IndexNotFoundException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 157
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexUpgrader.deletePriorCommits:Z
            ifne 6
         3: .line 158
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexUpgrader.dir:Lorg/apache/lucene/store/Directory;
            invokestatic org.apache.lucene.index.DirectoryReader.listCommits:(Lorg/apache/lucene/store/Directory;)Ljava/util/List;
            astore 1 /* commits */
        start local 1 // java.util.Collection commits
         4: .line 159
            aload 1 /* commits */
            invokeinterface java.util.Collection.size:()I
            iconst_1
            if_icmple 6
         5: .line 160
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "This tool was invoked to not delete prior commit points, but the following commits were found: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* commits */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.util.Collection commits
         6: .line 164
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexUpgrader.iwc:Lorg/apache/lucene/index/IndexWriterConfig;
            new org.apache.lucene.index.UpgradeIndexMergePolicy
            dup
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexUpgrader.iwc:Lorg/apache/lucene/index/IndexWriterConfig;
            invokevirtual org.apache.lucene.index.IndexWriterConfig.getMergePolicy:()Lorg/apache/lucene/index/MergePolicy;
            invokespecial org.apache.lucene.index.UpgradeIndexMergePolicy.<init>:(Lorg/apache/lucene/index/MergePolicy;)V
            invokevirtual org.apache.lucene.index.IndexWriterConfig.setMergePolicy:(Lorg/apache/lucene/index/MergePolicy;)Lorg/apache/lucene/index/IndexWriterConfig;
            pop
         7: .line 165
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexUpgrader.iwc:Lorg/apache/lucene/index/IndexWriterConfig;
            new org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy
            dup
            invokespecial org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy.<init>:()V
            invokevirtual org.apache.lucene.index.IndexWriterConfig.setIndexDeletionPolicy:(Lorg/apache/lucene/index/IndexDeletionPolicy;)Lorg/apache/lucene/index/IndexWriterConfig;
            pop
         8: .line 167
            aconst_null
            astore 1
            aconst_null
            astore 2
         9: new org.apache.lucene.index.IndexWriter
            dup
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexUpgrader.dir:Lorg/apache/lucene/store/Directory;
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexUpgrader.iwc:Lorg/apache/lucene/index/IndexWriterConfig;
            invokespecial org.apache.lucene.index.IndexWriter.<init>:(Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/index/IndexWriterConfig;)V
            astore 3 /* w */
        start local 3 // org.apache.lucene.index.IndexWriter w
        10: .line 168
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexUpgrader.iwc:Lorg/apache/lucene/index/IndexWriterConfig;
            invokevirtual org.apache.lucene.index.IndexWriterConfig.getInfoStream:()Lorg/apache/lucene/util/InfoStream;
            astore 4 /* infoStream */
        start local 4 // org.apache.lucene.util.InfoStream infoStream
        11: .line 169
            aload 4 /* infoStream */
            ldc "IndexUpgrader"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 13
        12: .line 170
            aload 4 /* infoStream */
            ldc "IndexUpgrader"
            new java.lang.StringBuilder
            dup
            ldc "Upgrading all pre-"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            getstatic org.apache.lucene.util.Version.LATEST:Lorg/apache/lucene/util/Version;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc " segments of index directory '"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexUpgrader.dir:Lorg/apache/lucene/store/Directory;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc "' to version "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            getstatic org.apache.lucene.util.Version.LATEST:Lorg/apache/lucene/util/Version;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc "..."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        13: .line 172
      StackMap locals: org.apache.lucene.index.IndexUpgrader java.lang.Throwable java.lang.Throwable org.apache.lucene.index.IndexWriter org.apache.lucene.util.InfoStream
      StackMap stack:
            aload 3 /* w */
            iconst_1
            invokevirtual org.apache.lucene.index.IndexWriter.forceMerge:(I)V
        14: .line 173
            aload 4 /* infoStream */
            ldc "IndexUpgrader"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 17
        15: .line 174
            aload 4 /* infoStream */
            ldc "IndexUpgrader"
            new java.lang.StringBuilder
            dup
            ldc "All segments upgraded to version "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            getstatic org.apache.lucene.util.Version.LATEST:Lorg/apache/lucene/util/Version;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        16: .line 175
            aload 4 /* infoStream */
            ldc "IndexUpgrader"
            ldc "Enforcing commit to rewrite all index metadata..."
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        17: .line 177
      StackMap locals:
      StackMap stack:
            aload 3 /* w */
            aload 3 /* w */
            invokevirtual org.apache.lucene.index.IndexWriter.getLiveCommitData:()Ljava/lang/Iterable;
            invokevirtual org.apache.lucene.index.IndexWriter.setLiveCommitData:(Ljava/lang/Iterable;)V
        18: .line 178
            getstatic org.apache.lucene.index.IndexUpgrader.$assertionsDisabled:Z
            ifne 19
            aload 3 /* w */
            invokevirtual org.apache.lucene.index.IndexWriter.hasUncommittedChanges:()Z
            ifne 19
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        19: .line 179
      StackMap locals:
      StackMap stack:
            aload 3 /* w */
            invokevirtual org.apache.lucene.index.IndexWriter.commit:()J
            pop2
        20: .line 180
            aload 4 /* infoStream */
            ldc "IndexUpgrader"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 22
        21: .line 181
            aload 4 /* infoStream */
            ldc "IndexUpgrader"
            ldc "Committed upgraded metadata to index."
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        end local 4 // org.apache.lucene.util.InfoStream infoStream
        22: .line 183
      StackMap locals:
      StackMap stack:
            aload 3 /* w */
            ifnull 28
            aload 3 /* w */
            invokevirtual org.apache.lucene.index.IndexWriter.close:()V
            goto 28
      StackMap locals:
      StackMap stack: java.lang.Throwable
        23: astore 1
            aload 3 /* w */
            ifnull 24
            aload 3 /* w */
            invokevirtual org.apache.lucene.index.IndexWriter.close:()V
        end local 3 // org.apache.lucene.index.IndexWriter w
      StackMap locals:
      StackMap stack:
        24: aload 1
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        25: astore 2
            aload 1
            ifnonnull 26
            aload 2
            astore 1
            goto 27
      StackMap locals:
      StackMap stack:
        26: aload 1
            aload 2
            if_acmpeq 27
            aload 1
            aload 2
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        27: aload 1
            athrow
        28: .line 184
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.lucene.index.IndexUpgrader this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   29     0        this  Lorg/apache/lucene/index/IndexUpgrader;
            4    6     1     commits  Ljava/util/Collection<Lorg/apache/lucene/index/IndexCommit;>;
           10   24     3           w  Lorg/apache/lucene/index/IndexWriter;
           11   22     4  infoStream  Lorg/apache/lucene/util/InfoStream;
      Exception table:
        from    to  target  type
          10    22      23  any
           9    25      25  any
    Exceptions:
      throws java.io.IOException
}
SourceFile: "IndexUpgrader.java"
InnerClasses:
  public abstract Entry = java.util.Map$Entry of java.util.Map