https://lucene.apache.org/lucene-parent/lucene-core: Apache Lucene Java Core (The Apache Software Foundation) 
final class org.apache.lucene.index.SegmentDocValues
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: org.apache.lucene.index.SegmentDocValues
  super_class: java.lang.Object
{
  private final java.util.Map<java.lang.Long, org.apache.lucene.util.RefCount<org.apache.lucene.codecs.DocValuesProducer>> genDVProducers;
    descriptor: Ljava/util/Map;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Map<Ljava/lang/Long;Lorg/apache/lucene/util/RefCount<Lorg/apache/lucene/codecs/DocValuesProducer;>;>;

  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 36
            ldc Lorg/apache/lucene/index/SegmentDocValues;
            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.SegmentDocValues.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.lucene.index.SegmentDocValues this
         0: .line 36
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 38
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield org.apache.lucene.index.SegmentDocValues.genDVProducers:Ljava/util/Map;
         2: .line 36
            return
        end local 0 // org.apache.lucene.index.SegmentDocValues this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/lucene/index/SegmentDocValues;

  private org.apache.lucene.util.RefCount<org.apache.lucene.codecs.DocValuesProducer> newDocValuesProducer(org.apache.lucene.index.SegmentCommitInfo, org.apache.lucene.store.Directory, java.lang.Long, org.apache.lucene.index.FieldInfos);
    descriptor: (Lorg/apache/lucene/index/SegmentCommitInfo;Lorg/apache/lucene/store/Directory;Ljava/lang/Long;Lorg/apache/lucene/index/FieldInfos;)Lorg/apache/lucene/util/RefCount;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=7, locals=9, args_size=5
        start local 0 // org.apache.lucene.index.SegmentDocValues this
        start local 1 // org.apache.lucene.index.SegmentCommitInfo si
        start local 2 // org.apache.lucene.store.Directory dir
        start local 3 // java.lang.Long gen
        start local 4 // org.apache.lucene.index.FieldInfos infos
         0: .line 41
            aload 2 /* dir */
            astore 5 /* dvDir */
        start local 5 // org.apache.lucene.store.Directory dvDir
         1: .line 42
            ldc ""
            astore 6 /* segmentSuffix */
        start local 6 // java.lang.String segmentSuffix
         2: .line 43
            aload 3 /* gen */
            invokevirtual java.lang.Long.longValue:()J
            ldc -1
            lcmp
            ifeq 5
         3: .line 44
            aload 1 /* si */
            getfield org.apache.lucene.index.SegmentCommitInfo.info:Lorg/apache/lucene/index/SegmentInfo;
            getfield org.apache.lucene.index.SegmentInfo.dir:Lorg/apache/lucene/store/Directory;
            astore 5 /* dvDir */
         4: .line 45
            aload 3 /* gen */
            invokevirtual java.lang.Long.longValue:()J
            bipush 36
            invokestatic java.lang.Long.toString:(JI)Ljava/lang/String;
            astore 6 /* segmentSuffix */
         5: .line 49
      StackMap locals: org.apache.lucene.store.Directory java.lang.String
      StackMap stack:
            new org.apache.lucene.index.SegmentReadState
            dup
            aload 5 /* dvDir */
            aload 1 /* si */
            getfield org.apache.lucene.index.SegmentCommitInfo.info:Lorg/apache/lucene/index/SegmentInfo;
            aload 4 /* infos */
            getstatic org.apache.lucene.store.IOContext.READ:Lorg/apache/lucene/store/IOContext;
            aload 6 /* segmentSuffix */
            invokespecial org.apache.lucene.index.SegmentReadState.<init>:(Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/index/SegmentInfo;Lorg/apache/lucene/index/FieldInfos;Lorg/apache/lucene/store/IOContext;Ljava/lang/String;)V
            astore 7 /* srs */
        start local 7 // org.apache.lucene.index.SegmentReadState srs
         6: .line 50
            aload 1 /* si */
            getfield org.apache.lucene.index.SegmentCommitInfo.info:Lorg/apache/lucene/index/SegmentInfo;
            invokevirtual org.apache.lucene.index.SegmentInfo.getCodec:()Lorg/apache/lucene/codecs/Codec;
            invokevirtual org.apache.lucene.codecs.Codec.docValuesFormat:()Lorg/apache/lucene/codecs/DocValuesFormat;
            astore 8 /* dvFormat */
        start local 8 // org.apache.lucene.codecs.DocValuesFormat dvFormat
         7: .line 51
            new org.apache.lucene.index.SegmentDocValues$1
            dup
            aload 0 /* this */
            aload 8 /* dvFormat */
            aload 7 /* srs */
            invokevirtual org.apache.lucene.codecs.DocValuesFormat.fieldsProducer:(Lorg/apache/lucene/index/SegmentReadState;)Lorg/apache/lucene/codecs/DocValuesProducer;
            aload 3 /* gen */
            invokespecial org.apache.lucene.index.SegmentDocValues$1.<init>:(Lorg/apache/lucene/index/SegmentDocValues;Lorg/apache/lucene/codecs/DocValuesProducer;Ljava/lang/Long;)V
            areturn
        end local 8 // org.apache.lucene.codecs.DocValuesFormat dvFormat
        end local 7 // org.apache.lucene.index.SegmentReadState srs
        end local 6 // java.lang.String segmentSuffix
        end local 5 // org.apache.lucene.store.Directory dvDir
        end local 4 // org.apache.lucene.index.FieldInfos infos
        end local 3 // java.lang.Long gen
        end local 2 // org.apache.lucene.store.Directory dir
        end local 1 // org.apache.lucene.index.SegmentCommitInfo si
        end local 0 // org.apache.lucene.index.SegmentDocValues this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    8     0           this  Lorg/apache/lucene/index/SegmentDocValues;
            0    8     1             si  Lorg/apache/lucene/index/SegmentCommitInfo;
            0    8     2            dir  Lorg/apache/lucene/store/Directory;
            0    8     3            gen  Ljava/lang/Long;
            0    8     4          infos  Lorg/apache/lucene/index/FieldInfos;
            1    8     5          dvDir  Lorg/apache/lucene/store/Directory;
            2    8     6  segmentSuffix  Ljava/lang/String;
            6    8     7            srs  Lorg/apache/lucene/index/SegmentReadState;
            7    8     8       dvFormat  Lorg/apache/lucene/codecs/DocValuesFormat;
    Exceptions:
      throws java.io.IOException
    Signature: (Lorg/apache/lucene/index/SegmentCommitInfo;Lorg/apache/lucene/store/Directory;Ljava/lang/Long;Lorg/apache/lucene/index/FieldInfos;)Lorg/apache/lucene/util/RefCount<Lorg/apache/lucene/codecs/DocValuesProducer;>;
    MethodParameters:
       Name  Flags
      si     
      dir    
      gen    final
      infos  

  synchronized org.apache.lucene.codecs.DocValuesProducer getDocValuesProducer(long, org.apache.lucene.index.SegmentCommitInfo, org.apache.lucene.store.Directory, org.apache.lucene.index.FieldInfos);
    descriptor: (JLorg/apache/lucene/index/SegmentCommitInfo;Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/index/FieldInfos;)Lorg/apache/lucene/codecs/DocValuesProducer;
    flags: (0x0020) ACC_SYNCHRONIZED
    Code:
      stack=5, locals=7, args_size=5
        start local 0 // org.apache.lucene.index.SegmentDocValues this
        start local 1 // long gen
        start local 3 // org.apache.lucene.index.SegmentCommitInfo si
        start local 4 // org.apache.lucene.store.Directory dir
        start local 5 // org.apache.lucene.index.FieldInfos infos
         0: .line 65
            aload 0 /* this */
            getfield org.apache.lucene.index.SegmentDocValues.genDVProducers:Ljava/util/Map;
            lload 1 /* gen */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.apache.lucene.util.RefCount
            astore 6 /* dvp */
        start local 6 // org.apache.lucene.util.RefCount dvp
         1: .line 66
            aload 6 /* dvp */
            ifnonnull 6
         2: .line 67
            aload 0 /* this */
            aload 3 /* si */
            aload 4 /* dir */
            lload 1 /* gen */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            aload 5 /* infos */
            invokevirtual org.apache.lucene.index.SegmentDocValues.newDocValuesProducer:(Lorg/apache/lucene/index/SegmentCommitInfo;Lorg/apache/lucene/store/Directory;Ljava/lang/Long;Lorg/apache/lucene/index/FieldInfos;)Lorg/apache/lucene/util/RefCount;
            astore 6 /* dvp */
         3: .line 68
            getstatic org.apache.lucene.index.SegmentDocValues.$assertionsDisabled:Z
            ifne 4
            aload 6 /* dvp */
            ifnonnull 4
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         4: .line 69
      StackMap locals: org.apache.lucene.util.RefCount
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.SegmentDocValues.genDVProducers:Ljava/util/Map;
            lload 1 /* gen */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            aload 6 /* dvp */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         5: .line 70
            goto 7
         6: .line 71
      StackMap locals:
      StackMap stack:
            aload 6 /* dvp */
            invokevirtual org.apache.lucene.util.RefCount.incRef:()V
         7: .line 73
      StackMap locals:
      StackMap stack:
            aload 6 /* dvp */
            invokevirtual org.apache.lucene.util.RefCount.get:()Ljava/lang/Object;
            checkcast org.apache.lucene.codecs.DocValuesProducer
            areturn
        end local 6 // org.apache.lucene.util.RefCount dvp
        end local 5 // org.apache.lucene.index.FieldInfos infos
        end local 4 // org.apache.lucene.store.Directory dir
        end local 3 // org.apache.lucene.index.SegmentCommitInfo si
        end local 1 // long gen
        end local 0 // org.apache.lucene.index.SegmentDocValues this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    8     0   this  Lorg/apache/lucene/index/SegmentDocValues;
            0    8     1    gen  J
            0    8     3     si  Lorg/apache/lucene/index/SegmentCommitInfo;
            0    8     4    dir  Lorg/apache/lucene/store/Directory;
            0    8     5  infos  Lorg/apache/lucene/index/FieldInfos;
            1    8     6    dvp  Lorg/apache/lucene/util/RefCount<Lorg/apache/lucene/codecs/DocValuesProducer;>;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      gen    
      si     
      dir    
      infos  

  synchronized void decRef(java.util.List<java.lang.Long>);
    descriptor: (Ljava/util/List;)V
    flags: (0x0020) ACC_SYNCHRONIZED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.lucene.index.SegmentDocValues this
        start local 1 // java.util.List dvProducersGens
         0: .line 81
            aload 1 /* dvProducersGens */
            aload 0 /* this */
            invokedynamic accept(Lorg/apache/lucene/index/SegmentDocValues;)Lorg/apache/lucene/util/IOUtils$IOConsumer;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)V
                  org/apache/lucene/index/SegmentDocValues.lambda$0(Ljava/lang/Long;)V (7)
                  (Ljava/lang/Long;)V
            invokestatic org.apache.lucene.util.IOUtils.applyToAll:(Ljava/util/Collection;Lorg/apache/lucene/util/IOUtils$IOConsumer;)V
         1: .line 86
            return
        end local 1 // java.util.List dvProducersGens
        end local 0 // org.apache.lucene.index.SegmentDocValues this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    2     0             this  Lorg/apache/lucene/index/SegmentDocValues;
            0    2     1  dvProducersGens  Ljava/util/List<Ljava/lang/Long;>;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/util/List<Ljava/lang/Long;>;)V
    MethodParameters:
                 Name  Flags
      dvProducersGens  

  private void lambda$0(java.lang.Long);
    descriptor: (Ljava/lang/Long;)V
    flags: (0x1002) ACC_PRIVATE, ACC_SYNTHETIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // org.apache.lucene.index.SegmentDocValues this
        start local 1 // java.lang.Long gen
         0: .line 82
            aload 0 /* this */
            getfield org.apache.lucene.index.SegmentDocValues.genDVProducers:Ljava/util/Map;
            aload 1 /* gen */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.apache.lucene.util.RefCount
            astore 2 /* dvp */
        start local 2 // org.apache.lucene.util.RefCount dvp
         1: .line 83
            getstatic org.apache.lucene.index.SegmentDocValues.$assertionsDisabled:Z
            ifne 2
            aload 2 /* dvp */
            ifnonnull 2
            new java.lang.AssertionError
            dup
            new java.lang.StringBuilder
            dup
            ldc "gen="
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* gen */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         2: .line 84
      StackMap locals: org.apache.lucene.util.RefCount
      StackMap stack:
            aload 2 /* dvp */
            invokevirtual org.apache.lucene.util.RefCount.decRef:()V
        end local 2 // org.apache.lucene.util.RefCount dvp
         3: .line 85
            return
        end local 1 // java.lang.Long gen
        end local 0 // org.apache.lucene.index.SegmentDocValues this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/lucene/index/SegmentDocValues;
            0    4     1   gen  Ljava/lang/Long;
            1    3     2   dvp  Lorg/apache/lucene/util/RefCount<Lorg/apache/lucene/codecs/DocValuesProducer;>;
    Exceptions:
      throws java.io.IOException
}
SourceFile: "SegmentDocValues.java"
NestMembers:
  org.apache.lucene.index.SegmentDocValues$1
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
  org.apache.lucene.index.SegmentDocValues$1
  public abstract IOConsumer = org.apache.lucene.util.IOUtils$IOConsumer of org.apache.lucene.util.IOUtils