https://lucene.apache.org/lucene-parent/lucene-facet: Package for Faceted Indexing and Search (The Apache Software Foundation) 
public abstract class org.apache.lucene.facet.taxonomy.TaxonomyReader implements java.io.Closeable
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.apache.lucene.facet.taxonomy.TaxonomyReader
  super_class: java.lang.Object
{
  public static final int ROOT_ORDINAL;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  public static final int INVALID_ORDINAL;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: -1

  private volatile boolean closed;
    descriptor: Z
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private final java.util.concurrent.atomic.AtomicInteger refCount;
    descriptor: Ljava/util/concurrent/atomic/AtomicInteger;
    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 65
            ldc Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;
            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.facet.taxonomy.TaxonomyReader.$assertionsDisabled:Z
         3: .line 108
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
         0: .line 93
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 128
            aload 0 /* this */
            iconst_0
            putfield org.apache.lucene.facet.taxonomy.TaxonomyReader.closed:Z
         2: .line 131
            aload 0 /* this */
            new java.util.concurrent.atomic.AtomicInteger
            dup
            iconst_1
            invokespecial java.util.concurrent.atomic.AtomicInteger.<init>:(I)V
            putfield org.apache.lucene.facet.taxonomy.TaxonomyReader.refCount:Ljava/util/concurrent/atomic/AtomicInteger;
         3: .line 94
            return
        end local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;

  public static <T extends org.apache.lucene.facet.taxonomy.TaxonomyReader> T openIfChanged();
    descriptor: (Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;)Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader oldTaxoReader
         0: .line 123
            aload 0 /* oldTaxoReader */
            invokevirtual org.apache.lucene.facet.taxonomy.TaxonomyReader.doOpenIfChanged:()Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;
            astore 1 /* newTaxoReader */
        start local 1 // org.apache.lucene.facet.taxonomy.TaxonomyReader newTaxoReader
         1: .line 124
            getstatic org.apache.lucene.facet.taxonomy.TaxonomyReader.$assertionsDisabled:Z
            ifne 2
            aload 1 /* newTaxoReader */
            aload 0 /* oldTaxoReader */
            if_acmpne 2
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         2: .line 125
      StackMap locals: org.apache.lucene.facet.taxonomy.TaxonomyReader
      StackMap stack:
            aload 1 /* newTaxoReader */
            areturn
        end local 1 // org.apache.lucene.facet.taxonomy.TaxonomyReader newTaxoReader
        end local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader oldTaxoReader
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    3     0  oldTaxoReader  TT;
            1    3     1  newTaxoReader  TT;
    Exceptions:
      throws java.io.IOException
    Signature: <T:Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;>(TT;)TT;
    MethodParameters:
               Name  Flags
      oldTaxoReader  

  protected abstract void doClose();
    descriptor: ()V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  protected abstract org.apache.lucene.facet.taxonomy.TaxonomyReader doOpenIfChanged();
    descriptor: ()Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  protected final void ensureOpen();
    descriptor: ()V
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
         0: .line 151
            aload 0 /* this */
            invokevirtual org.apache.lucene.facet.taxonomy.TaxonomyReader.getRefCount:()I
            ifgt 2
         1: .line 152
            new org.apache.lucene.store.AlreadyClosedException
            dup
            ldc "this TaxonomyReader is closed"
            invokespecial org.apache.lucene.store.AlreadyClosedException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 154
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;
    Exceptions:
      throws org.apache.lucene.store.AlreadyClosedException

  public final void close();
    descriptor: ()V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
         0: .line 158
            aload 0 /* this */
            getfield org.apache.lucene.facet.taxonomy.TaxonomyReader.closed:Z
            ifne 9
         1: .line 159
            aload 0 /* this */
            dup
            astore 1
            monitorenter
         2: .line 160
            aload 0 /* this */
            getfield org.apache.lucene.facet.taxonomy.TaxonomyReader.closed:Z
            ifne 5
         3: .line 161
            aload 0 /* this */
            invokevirtual org.apache.lucene.facet.taxonomy.TaxonomyReader.decRef:()V
         4: .line 162
            aload 0 /* this */
            iconst_1
            putfield org.apache.lucene.facet.taxonomy.TaxonomyReader.closed:Z
         5: .line 159
      StackMap locals: org.apache.lucene.facet.taxonomy.TaxonomyReader
      StackMap stack:
            aload 1
            monitorexit
         6: goto 9
      StackMap locals:
      StackMap stack: java.lang.Throwable
         7: aload 1
            monitorexit
         8: athrow
         9: .line 166
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;
      Exception table:
        from    to  target  type
           2     6       7  any
           7     8       7  any
    Exceptions:
      throws java.io.IOException

  public final void decRef();
    descriptor: ()V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=5, locals=4, args_size=1
        start local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
         0: .line 173
            aload 0 /* this */
            invokevirtual org.apache.lucene.facet.taxonomy.TaxonomyReader.ensureOpen:()V
         1: .line 174
            aload 0 /* this */
            getfield org.apache.lucene.facet.taxonomy.TaxonomyReader.refCount:Ljava/util/concurrent/atomic/AtomicInteger;
            invokevirtual java.util.concurrent.atomic.AtomicInteger.decrementAndGet:()I
            istore 1 /* rc */
        start local 1 // int rc
         2: .line 175
            iload 1 /* rc */
            ifne 15
         3: .line 176
            iconst_0
            istore 2 /* success */
        start local 2 // boolean success
         4: .line 178
            aload 0 /* this */
            invokevirtual org.apache.lucene.facet.taxonomy.TaxonomyReader.doClose:()V
         5: .line 179
            aload 0 /* this */
            iconst_1
            putfield org.apache.lucene.facet.taxonomy.TaxonomyReader.closed:Z
         6: .line 180
            iconst_1
            istore 2 /* success */
         7: .line 181
            goto 12
      StackMap locals: org.apache.lucene.facet.taxonomy.TaxonomyReader int int
      StackMap stack: java.lang.Throwable
         8: astore 3
         9: .line 182
            iload 2 /* success */
            ifne 11
        10: .line 184
            aload 0 /* this */
            getfield org.apache.lucene.facet.taxonomy.TaxonomyReader.refCount:Ljava/util/concurrent/atomic/AtomicInteger;
            invokevirtual java.util.concurrent.atomic.AtomicInteger.incrementAndGet:()I
            pop
        11: .line 186
      StackMap locals: java.lang.Throwable
      StackMap stack:
            aload 3
            athrow
        12: .line 182
      StackMap locals:
      StackMap stack:
            iload 2 /* success */
            ifne 17
        13: .line 184
            aload 0 /* this */
            getfield org.apache.lucene.facet.taxonomy.TaxonomyReader.refCount:Ljava/util/concurrent/atomic/AtomicInteger;
            invokevirtual java.util.concurrent.atomic.AtomicInteger.incrementAndGet:()I
            pop
        end local 2 // boolean success
        14: .line 187
            goto 17
      StackMap locals:
      StackMap stack:
        15: iload 1 /* rc */
            ifge 17
        16: .line 188
            new java.lang.IllegalStateException
            dup
            new java.lang.StringBuilder
            dup
            ldc "too many decRef calls: refCount is "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* rc */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " after decrement"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
        17: .line 190
      StackMap locals:
      StackMap stack:
            return
        end local 1 // int rc
        end local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   18     0     this  Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;
            2   18     1       rc  I
            4   14     2  success  Z
      Exception table:
        from    to  target  type
           4     8       8  any
    Exceptions:
      throws java.io.IOException

  public abstract org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays getParallelTaxonomyArrays();
    descriptor: ()Lorg/apache/lucene/facet/taxonomy/ParallelTaxonomyArrays;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  public org.apache.lucene.facet.taxonomy.TaxonomyReader$ChildrenIterator getChildren(int);
    descriptor: (I)Lorg/apache/lucene/facet/taxonomy/TaxonomyReader$ChildrenIterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
        start local 1 // int ordinal
         0: .line 200
            aload 0 /* this */
            invokevirtual org.apache.lucene.facet.taxonomy.TaxonomyReader.getParallelTaxonomyArrays:()Lorg/apache/lucene/facet/taxonomy/ParallelTaxonomyArrays;
            astore 2 /* arrays */
        start local 2 // org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays arrays
         1: .line 201
            iload 1 /* ordinal */
            iflt 2
            aload 2 /* arrays */
            invokevirtual org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays.children:()[I
            iload 1 /* ordinal */
            iaload
            goto 3
      StackMap locals: org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays
      StackMap stack:
         2: iconst_m1
      StackMap locals:
      StackMap stack: int
         3: istore 3 /* child */
        start local 3 // int child
         4: .line 202
            new org.apache.lucene.facet.taxonomy.TaxonomyReader$ChildrenIterator
            dup
            iload 3 /* child */
            aload 2 /* arrays */
            invokevirtual org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays.siblings:()[I
            invokespecial org.apache.lucene.facet.taxonomy.TaxonomyReader$ChildrenIterator.<init>:(I[I)V
            areturn
        end local 3 // int child
        end local 2 // org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays arrays
        end local 1 // int ordinal
        end local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0     this  Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;
            0    5     1  ordinal  I
            1    5     2   arrays  Lorg/apache/lucene/facet/taxonomy/ParallelTaxonomyArrays;
            4    5     3    child  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
         Name  Flags
      ordinal  final

  public abstract java.util.Map<java.lang.String, java.lang.String> getCommitUserData();
    descriptor: ()Ljava/util/Map;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    Signature: ()Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;

  public abstract int getOrdinal(org.apache.lucene.facet.taxonomy.FacetLabel);
    descriptor: (Lorg/apache/lucene/facet/taxonomy/FacetLabel;)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
              Name  Flags
      categoryPath  

  public int getOrdinal(java.lang.String, java.lang.String[]);
    descriptor: (Ljava/lang/String;[Ljava/lang/String;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
        start local 1 // java.lang.String dim
        start local 2 // java.lang.String[] path
         0: .line 225
            aload 2 /* path */
            arraylength
            iconst_1
            iadd
            anewarray java.lang.String
            astore 3 /* fullPath */
        start local 3 // java.lang.String[] fullPath
         1: .line 226
            aload 3 /* fullPath */
            iconst_0
            aload 1 /* dim */
            aastore
         2: .line 227
            aload 2 /* path */
            iconst_0
            aload 3 /* fullPath */
            iconst_1
            aload 2 /* path */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         3: .line 228
            aload 0 /* this */
            new org.apache.lucene.facet.taxonomy.FacetLabel
            dup
            aload 3 /* fullPath */
            invokespecial org.apache.lucene.facet.taxonomy.FacetLabel.<init>:([Ljava/lang/String;)V
            invokevirtual org.apache.lucene.facet.taxonomy.TaxonomyReader.getOrdinal:(Lorg/apache/lucene/facet/taxonomy/FacetLabel;)I
            ireturn
        end local 3 // java.lang.String[] fullPath
        end local 2 // java.lang.String[] path
        end local 1 // java.lang.String dim
        end local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    4     0      this  Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;
            0    4     1       dim  Ljava/lang/String;
            0    4     2      path  [Ljava/lang/String;
            1    4     3  fullPath  [Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      dim   
      path  

  public abstract org.apache.lucene.facet.taxonomy.FacetLabel getPath(int);
    descriptor: (I)Lorg/apache/lucene/facet/taxonomy/FacetLabel;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
         Name  Flags
      ordinal  

  public final int getRefCount();
    descriptor: ()I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
         0: .line 236
            aload 0 /* this */
            getfield org.apache.lucene.facet.taxonomy.TaxonomyReader.refCount:Ljava/util/concurrent/atomic/AtomicInteger;
            invokevirtual java.util.concurrent.atomic.AtomicInteger.get:()I
            ireturn
        end local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;

  public abstract int getSize();
    descriptor: ()I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public final void incRef();
    descriptor: ()V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
         0: .line 256
            aload 0 /* this */
            invokevirtual org.apache.lucene.facet.taxonomy.TaxonomyReader.ensureOpen:()V
         1: .line 257
            aload 0 /* this */
            getfield org.apache.lucene.facet.taxonomy.TaxonomyReader.refCount:Ljava/util/concurrent/atomic/AtomicInteger;
            invokevirtual java.util.concurrent.atomic.AtomicInteger.incrementAndGet:()I
            pop
         2: .line 258
            return
        end local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;

  public final boolean tryIncRef();
    descriptor: ()Z
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
         0: .line 265
            goto 3
        start local 1 // int count
         1: .line 266
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.facet.taxonomy.TaxonomyReader.refCount:Ljava/util/concurrent/atomic/AtomicInteger;
            iload 1 /* count */
            iload 1 /* count */
            iconst_1
            iadd
            invokevirtual java.util.concurrent.atomic.AtomicInteger.compareAndSet:(II)Z
            ifeq 3
         2: .line 267
            iconst_1
            ireturn
        end local 1 // int count
         3: .line 265
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.facet.taxonomy.TaxonomyReader.refCount:Ljava/util/concurrent/atomic/AtomicInteger;
            invokevirtual java.util.concurrent.atomic.AtomicInteger.get:()I
            dup
            istore 1 /* count */
        start local 1 // int count
         4: ifgt 1
         5: .line 270
            iconst_0
            ireturn
        end local 1 // int count
        end local 0 // org.apache.lucene.facet.taxonomy.TaxonomyReader this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Lorg/apache/lucene/facet/taxonomy/TaxonomyReader;
            1    3     1  count  I
            4    6     1  count  I
}
SourceFile: "TaxonomyReader.java"
NestMembers:
  org.apache.lucene.facet.taxonomy.TaxonomyReader$ChildrenIterator
InnerClasses:
  public ChildrenIterator = org.apache.lucene.facet.taxonomy.TaxonomyReader$ChildrenIterator of org.apache.lucene.facet.taxonomy.TaxonomyReader