https://lucene.apache.org/lucene-parent/lucene-core: Apache Lucene Java Core (The Apache Software Foundation) 
public abstract class org.apache.lucene.index.BaseCompositeReader<R extends org.apache.lucene.index.IndexReader> extends org.apache.lucene.index.CompositeReader
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.apache.lucene.index.BaseCompositeReader
  super_class: org.apache.lucene.index.CompositeReader
{
  private final R[] subReaders;
    descriptor: [Lorg/apache/lucene/index/IndexReader;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: [TR;

  private final int[] starts;
    descriptor: [I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int maxDoc;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private int numDocs;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private final java.util.List<R> subReadersList;
    descriptor: Ljava/util/List;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/List<TR;>;

  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 49
            ldc Lorg/apache/lucene/index/BaseCompositeReader;
            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.BaseCompositeReader.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>();
    descriptor: ([Lorg/apache/lucene/index/IndexReader;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=6, args_size=2
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
        start local 1 // org.apache.lucene.index.IndexReader[] subReaders
         0: .line 67
            aload 0 /* this */
            invokespecial org.apache.lucene.index.CompositeReader.<init>:()V
         1: .line 53
            aload 0 /* this */
            iconst_m1
            putfield org.apache.lucene.index.BaseCompositeReader.numDocs:I
         2: .line 68
            aload 0 /* this */
            aload 1 /* subReaders */
            putfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
         3: .line 69
            aload 0 /* this */
            aload 1 /* subReaders */
            invokestatic java.util.Arrays.asList:([Ljava/lang/Object;)Ljava/util/List;
            invokestatic java.util.Collections.unmodifiableList:(Ljava/util/List;)Ljava/util/List;
            putfield org.apache.lucene.index.BaseCompositeReader.subReadersList:Ljava/util/List;
         4: .line 70
            aload 0 /* this */
            aload 1 /* subReaders */
            arraylength
            iconst_1
            iadd
            newarray 10
            putfield org.apache.lucene.index.BaseCompositeReader.starts:[I
         5: .line 71
            lconst_0
            lstore 2 /* maxDoc */
        start local 2 // long maxDoc
         6: .line 72
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         7: goto 13
         8: .line 73
      StackMap locals: org.apache.lucene.index.BaseCompositeReader org.apache.lucene.index.IndexReader[] long int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.starts:[I
            iload 4 /* i */
            lload 2 /* maxDoc */
            l2i
            iastore
         9: .line 74
            aload 1 /* subReaders */
            iload 4 /* i */
            aaload
            astore 5 /* r */
        start local 5 // org.apache.lucene.index.IndexReader r
        10: .line 75
            lload 2 /* maxDoc */
            aload 5 /* r */
            invokevirtual org.apache.lucene.index.IndexReader.maxDoc:()I
            i2l
            ladd
            lstore 2 /* maxDoc */
        11: .line 76
            aload 5 /* r */
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexReader.registerParentReader:(Lorg/apache/lucene/index/IndexReader;)V
        end local 5 // org.apache.lucene.index.IndexReader r
        12: .line 72
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        13: iload 4 /* i */
            aload 1 /* subReaders */
            arraylength
            if_icmplt 8
        end local 4 // int i
        14: .line 79
            lload 2 /* maxDoc */
            invokestatic org.apache.lucene.index.IndexWriter.getActualMaxDocs:()I
            i2l
            lcmp
            ifle 18
        15: .line 80
            aload 0 /* this */
            instanceof org.apache.lucene.index.DirectoryReader
            ifeq 17
        16: .line 82
            new org.apache.lucene.index.CorruptIndexException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Too many documents: an index cannot exceed "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            invokestatic org.apache.lucene.index.IndexWriter.getActualMaxDocs:()I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " but readers have total maxDoc="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            lload 2 /* maxDoc */
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 1 /* subReaders */
            invokestatic java.util.Arrays.toString:([Ljava/lang/Object;)Ljava/lang/String;
            invokespecial org.apache.lucene.index.CorruptIndexException.<init>:(Ljava/lang/String;Ljava/lang/String;)V
            athrow
        17: .line 85
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Too many documents: composite IndexReaders cannot exceed "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            invokestatic org.apache.lucene.index.IndexWriter.getActualMaxDocs:()I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " but readers have total maxDoc="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            lload 2 /* maxDoc */
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        18: .line 89
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            lload 2 /* maxDoc */
            invokestatic java.lang.Math.toIntExact:(J)I
            putfield org.apache.lucene.index.BaseCompositeReader.maxDoc:I
        19: .line 90
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.starts:[I
            aload 1 /* subReaders */
            arraylength
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.maxDoc:I
            iastore
        20: .line 91
            return
        end local 2 // long maxDoc
        end local 1 // org.apache.lucene.index.IndexReader[] subReaders
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   21     0        this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;
            0   21     1  subReaders  [Lorg/apache/lucene/index/IndexReader;
            6   21     2      maxDoc  J
            7   14     4           i  I
           10   12     5           r  Lorg/apache/lucene/index/IndexReader;
    Exceptions:
      throws java.io.IOException
    Signature: ([TR;)V
    MethodParameters:
            Name  Flags
      subReaders  

  public final org.apache.lucene.index.Fields getTermVectors(int);
    descriptor: (I)Lorg/apache/lucene/index/Fields;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
        start local 1 // int docID
         0: .line 95
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.BaseCompositeReader.ensureOpen:()V
         1: .line 96
            aload 0 /* this */
            iload 1 /* docID */
            invokevirtual org.apache.lucene.index.BaseCompositeReader.readerIndex:(I)I
            istore 2 /* i */
        start local 2 // int i
         2: .line 97
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            iload 2 /* i */
            aaload
            iload 1 /* docID */
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.starts:[I
            iload 2 /* i */
            iaload
            isub
            invokevirtual org.apache.lucene.index.IndexReader.getTermVectors:(I)Lorg/apache/lucene/index/Fields;
            areturn
        end local 2 // int i
        end local 1 // int docID
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;
            0    3     1  docID  I
            2    3     2      i  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      docID  

  public final int numDocs();
    descriptor: ()I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=2, locals=6, args_size=1
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
         0: .line 110
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.numDocs:I
            istore 1 /* numDocs */
        start local 1 // int numDocs
         1: .line 111
            iload 1 /* numDocs */
            iconst_m1
            if_icmpne 10
         2: .line 112
            iconst_0
            istore 1 /* numDocs */
         3: .line 113
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            dup
            astore 5
            arraylength
            istore 4
            iconst_0
            istore 3
            goto 7
      StackMap locals: org.apache.lucene.index.BaseCompositeReader int top int int org.apache.lucene.index.IndexReader[]
      StackMap stack:
         4: aload 5
            iload 3
            aaload
            astore 2 /* r */
        start local 2 // org.apache.lucene.index.IndexReader r
         5: .line 114
            iload 1 /* numDocs */
            aload 2 /* r */
            invokevirtual org.apache.lucene.index.IndexReader.numDocs:()I
            iadd
            istore 1 /* numDocs */
        end local 2 // org.apache.lucene.index.IndexReader r
         6: .line 113
            iinc 3 1
      StackMap locals:
      StackMap stack:
         7: iload 3
            iload 4
            if_icmplt 4
         8: .line 116
            getstatic org.apache.lucene.index.BaseCompositeReader.$assertionsDisabled:Z
            ifne 9
            iload 1 /* numDocs */
            ifge 9
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         9: .line 117
      StackMap locals: org.apache.lucene.index.BaseCompositeReader int
      StackMap stack:
            aload 0 /* this */
            iload 1 /* numDocs */
            putfield org.apache.lucene.index.BaseCompositeReader.numDocs:I
        10: .line 119
      StackMap locals:
      StackMap stack:
            iload 1 /* numDocs */
            ireturn
        end local 1 // int numDocs
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   11     0     this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;
            1   11     1  numDocs  I
            5    6     2        r  Lorg/apache/lucene/index/IndexReader;

  public final int maxDoc();
    descriptor: ()I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
         0: .line 125
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.maxDoc:I
            ireturn
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;

  public final void document(int, org.apache.lucene.index.StoredFieldVisitor);
    descriptor: (ILorg/apache/lucene/index/StoredFieldVisitor;)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=4, args_size=3
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
        start local 1 // int docID
        start local 2 // org.apache.lucene.index.StoredFieldVisitor visitor
         0: .line 130
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.BaseCompositeReader.ensureOpen:()V
         1: .line 131
            aload 0 /* this */
            iload 1 /* docID */
            invokevirtual org.apache.lucene.index.BaseCompositeReader.readerIndex:(I)I
            istore 3 /* i */
        start local 3 // int i
         2: .line 132
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            iload 3 /* i */
            aaload
            iload 1 /* docID */
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.starts:[I
            iload 3 /* i */
            iaload
            isub
            aload 2 /* visitor */
            invokevirtual org.apache.lucene.index.IndexReader.document:(ILorg/apache/lucene/index/StoredFieldVisitor;)V
         3: .line 133
            return
        end local 3 // int i
        end local 2 // org.apache.lucene.index.StoredFieldVisitor visitor
        end local 1 // int docID
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;
            0    4     1    docID  I
            0    4     2  visitor  Lorg/apache/lucene/index/StoredFieldVisitor;
            2    4     3        i  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
         Name  Flags
      docID    
      visitor  

  public final int docFreq(org.apache.lucene.index.Term);
    descriptor: (Lorg/apache/lucene/index/Term;)I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
        start local 1 // org.apache.lucene.index.Term term
         0: .line 137
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.BaseCompositeReader.ensureOpen:()V
         1: .line 138
            iconst_0
            istore 2 /* total */
        start local 2 // int total
         2: .line 139
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         3: goto 9
         4: .line 140
      StackMap locals: int int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            iload 3 /* i */
            aaload
            aload 1 /* term */
            invokevirtual org.apache.lucene.index.IndexReader.docFreq:(Lorg/apache/lucene/index/Term;)I
            istore 4 /* sub */
        start local 4 // int sub
         5: .line 141
            getstatic org.apache.lucene.index.BaseCompositeReader.$assertionsDisabled:Z
            ifne 6
            iload 4 /* sub */
            ifge 6
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         6: .line 142
      StackMap locals: int
      StackMap stack:
            getstatic org.apache.lucene.index.BaseCompositeReader.$assertionsDisabled:Z
            ifne 7
            iload 4 /* sub */
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            iload 3 /* i */
            aaload
            aload 1 /* term */
            invokevirtual org.apache.lucene.index.Term.field:()Ljava/lang/String;
            invokevirtual org.apache.lucene.index.IndexReader.getDocCount:(Ljava/lang/String;)I
            if_icmple 7
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         7: .line 143
      StackMap locals:
      StackMap stack:
            iload 2 /* total */
            iload 4 /* sub */
            iadd
            istore 2 /* total */
        end local 4 // int sub
         8: .line 139
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
         9: iload 3 /* i */
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            arraylength
            if_icmplt 4
        end local 3 // int i
        10: .line 145
            iload 2 /* total */
            ireturn
        end local 2 // int total
        end local 1 // org.apache.lucene.index.Term term
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   11     0   this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;
            0   11     1   term  Lorg/apache/lucene/index/Term;
            2   11     2  total  I
            3   10     3      i  I
            5    8     4    sub  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      term  

  public final long totalTermFreq(org.apache.lucene.index.Term);
    descriptor: (Lorg/apache/lucene/index/Term;)J
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=7, args_size=2
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
        start local 1 // org.apache.lucene.index.Term term
         0: .line 150
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.BaseCompositeReader.ensureOpen:()V
         1: .line 151
            lconst_0
            lstore 2 /* total */
        start local 2 // long total
         2: .line 152
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         3: goto 9
         4: .line 153
      StackMap locals: long int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            iload 4 /* i */
            aaload
            aload 1 /* term */
            invokevirtual org.apache.lucene.index.IndexReader.totalTermFreq:(Lorg/apache/lucene/index/Term;)J
            lstore 5 /* sub */
        start local 5 // long sub
         5: .line 154
            getstatic org.apache.lucene.index.BaseCompositeReader.$assertionsDisabled:Z
            ifne 6
            lload 5 /* sub */
            lconst_0
            lcmp
            ifge 6
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         6: .line 155
      StackMap locals: long
      StackMap stack:
            getstatic org.apache.lucene.index.BaseCompositeReader.$assertionsDisabled:Z
            ifne 7
            lload 5 /* sub */
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            iload 4 /* i */
            aaload
            aload 1 /* term */
            invokevirtual org.apache.lucene.index.Term.field:()Ljava/lang/String;
            invokevirtual org.apache.lucene.index.IndexReader.getSumTotalTermFreq:(Ljava/lang/String;)J
            lcmp
            ifle 7
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         7: .line 156
      StackMap locals:
      StackMap stack:
            lload 2 /* total */
            lload 5 /* sub */
            ladd
            lstore 2 /* total */
        end local 5 // long sub
         8: .line 152
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
         9: iload 4 /* i */
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            arraylength
            if_icmplt 4
        end local 4 // int i
        10: .line 158
            lload 2 /* total */
            lreturn
        end local 2 // long total
        end local 1 // org.apache.lucene.index.Term term
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   11     0   this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;
            0   11     1   term  Lorg/apache/lucene/index/Term;
            2   11     2  total  J
            3   10     4      i  I
            5    8     5    sub  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      term  

  public final long getSumDocFreq(java.lang.String);
    descriptor: (Ljava/lang/String;)J
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=10, args_size=2
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
        start local 1 // java.lang.String field
         0: .line 163
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.BaseCompositeReader.ensureOpen:()V
         1: .line 164
            lconst_0
            lstore 2 /* total */
        start local 2 // long total
         2: .line 165
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            dup
            astore 7
            arraylength
            istore 6
            iconst_0
            istore 5
            goto 9
      StackMap locals: org.apache.lucene.index.BaseCompositeReader java.lang.String long top int int org.apache.lucene.index.IndexReader[]
      StackMap stack:
         3: aload 7
            iload 5
            aaload
            astore 4 /* reader */
        start local 4 // org.apache.lucene.index.IndexReader reader
         4: .line 166
            aload 4 /* reader */
            aload 1 /* field */
            invokevirtual org.apache.lucene.index.IndexReader.getSumDocFreq:(Ljava/lang/String;)J
            lstore 8 /* sub */
        start local 8 // long sub
         5: .line 167
            getstatic org.apache.lucene.index.BaseCompositeReader.$assertionsDisabled:Z
            ifne 6
            lload 8 /* sub */
            lconst_0
            lcmp
            ifge 6
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         6: .line 168
      StackMap locals: org.apache.lucene.index.BaseCompositeReader java.lang.String long org.apache.lucene.index.IndexReader int int org.apache.lucene.index.IndexReader[] long
      StackMap stack:
            getstatic org.apache.lucene.index.BaseCompositeReader.$assertionsDisabled:Z
            ifne 7
            lload 8 /* sub */
            aload 4 /* reader */
            aload 1 /* field */
            invokevirtual org.apache.lucene.index.IndexReader.getSumTotalTermFreq:(Ljava/lang/String;)J
            lcmp
            ifle 7
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         7: .line 169
      StackMap locals:
      StackMap stack:
            lload 2 /* total */
            lload 8 /* sub */
            ladd
            lstore 2 /* total */
        end local 8 // long sub
        end local 4 // org.apache.lucene.index.IndexReader reader
         8: .line 165
            iinc 5 1
      StackMap locals: org.apache.lucene.index.BaseCompositeReader java.lang.String long top int int org.apache.lucene.index.IndexReader[]
      StackMap stack:
         9: iload 5
            iload 6
            if_icmplt 3
        10: .line 171
            lload 2 /* total */
            lreturn
        end local 2 // long total
        end local 1 // java.lang.String field
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   11     0    this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;
            0   11     1   field  Ljava/lang/String;
            2   11     2   total  J
            4    8     4  reader  TR;
            5    8     8     sub  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      field  

  public final int getDocCount(java.lang.String);
    descriptor: (Ljava/lang/String;)I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=2, locals=8, args_size=2
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
        start local 1 // java.lang.String field
         0: .line 176
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.BaseCompositeReader.ensureOpen:()V
         1: .line 177
            iconst_0
            istore 2 /* total */
        start local 2 // int total
         2: .line 178
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            dup
            astore 6
            arraylength
            istore 5
            iconst_0
            istore 4
            goto 9
      StackMap locals: org.apache.lucene.index.BaseCompositeReader java.lang.String int top int int org.apache.lucene.index.IndexReader[]
      StackMap stack:
         3: aload 6
            iload 4
            aaload
            astore 3 /* reader */
        start local 3 // org.apache.lucene.index.IndexReader reader
         4: .line 179
            aload 3 /* reader */
            aload 1 /* field */
            invokevirtual org.apache.lucene.index.IndexReader.getDocCount:(Ljava/lang/String;)I
            istore 7 /* sub */
        start local 7 // int sub
         5: .line 180
            getstatic org.apache.lucene.index.BaseCompositeReader.$assertionsDisabled:Z
            ifne 6
            iload 7 /* sub */
            ifge 6
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         6: .line 181
      StackMap locals: org.apache.lucene.index.BaseCompositeReader java.lang.String int org.apache.lucene.index.IndexReader int int org.apache.lucene.index.IndexReader[] int
      StackMap stack:
            getstatic org.apache.lucene.index.BaseCompositeReader.$assertionsDisabled:Z
            ifne 7
            iload 7 /* sub */
            aload 3 /* reader */
            invokevirtual org.apache.lucene.index.IndexReader.maxDoc:()I
            if_icmple 7
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         7: .line 182
      StackMap locals:
      StackMap stack:
            iload 2 /* total */
            iload 7 /* sub */
            iadd
            istore 2 /* total */
        end local 7 // int sub
        end local 3 // org.apache.lucene.index.IndexReader reader
         8: .line 178
            iinc 4 1
      StackMap locals: org.apache.lucene.index.BaseCompositeReader java.lang.String int top int int org.apache.lucene.index.IndexReader[]
      StackMap stack:
         9: iload 4
            iload 5
            if_icmplt 3
        10: .line 184
            iload 2 /* total */
            ireturn
        end local 2 // int total
        end local 1 // java.lang.String field
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   11     0    this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;
            0   11     1   field  Ljava/lang/String;
            2   11     2   total  I
            4    8     3  reader  TR;
            5    8     7     sub  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      field  

  public final long getSumTotalTermFreq(java.lang.String);
    descriptor: (Ljava/lang/String;)J
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=10, args_size=2
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
        start local 1 // java.lang.String field
         0: .line 189
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.BaseCompositeReader.ensureOpen:()V
         1: .line 190
            lconst_0
            lstore 2 /* total */
        start local 2 // long total
         2: .line 191
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            dup
            astore 7
            arraylength
            istore 6
            iconst_0
            istore 5
            goto 9
      StackMap locals: org.apache.lucene.index.BaseCompositeReader java.lang.String long top int int org.apache.lucene.index.IndexReader[]
      StackMap stack:
         3: aload 7
            iload 5
            aaload
            astore 4 /* reader */
        start local 4 // org.apache.lucene.index.IndexReader reader
         4: .line 192
            aload 4 /* reader */
            aload 1 /* field */
            invokevirtual org.apache.lucene.index.IndexReader.getSumTotalTermFreq:(Ljava/lang/String;)J
            lstore 8 /* sub */
        start local 8 // long sub
         5: .line 193
            getstatic org.apache.lucene.index.BaseCompositeReader.$assertionsDisabled:Z
            ifne 6
            lload 8 /* sub */
            lconst_0
            lcmp
            ifge 6
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         6: .line 194
      StackMap locals: org.apache.lucene.index.BaseCompositeReader java.lang.String long org.apache.lucene.index.IndexReader int int org.apache.lucene.index.IndexReader[] long
      StackMap stack:
            getstatic org.apache.lucene.index.BaseCompositeReader.$assertionsDisabled:Z
            ifne 7
            lload 8 /* sub */
            aload 4 /* reader */
            aload 1 /* field */
            invokevirtual org.apache.lucene.index.IndexReader.getSumDocFreq:(Ljava/lang/String;)J
            lcmp
            ifge 7
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         7: .line 195
      StackMap locals:
      StackMap stack:
            lload 2 /* total */
            lload 8 /* sub */
            ladd
            lstore 2 /* total */
        end local 8 // long sub
        end local 4 // org.apache.lucene.index.IndexReader reader
         8: .line 191
            iinc 5 1
      StackMap locals: org.apache.lucene.index.BaseCompositeReader java.lang.String long top int int org.apache.lucene.index.IndexReader[]
      StackMap stack:
         9: iload 5
            iload 6
            if_icmplt 3
        10: .line 197
            lload 2 /* total */
            lreturn
        end local 2 // long total
        end local 1 // java.lang.String field
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   11     0    this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;
            0   11     1   field  Ljava/lang/String;
            2   11     2   total  J
            4    8     4  reader  TR;
            5    8     8     sub  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      field  

  protected final int readerIndex(int);
    descriptor: (I)I
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
        start local 1 // int docID
         0: .line 202
            iload 1 /* docID */
            iflt 1
            iload 1 /* docID */
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.maxDoc:I
            if_icmplt 2
         1: .line 203
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "docID must be >= 0 and < maxDoc="
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.maxDoc:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " (got docID="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            iload 1 /* docID */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc ")"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 205
      StackMap locals:
      StackMap stack:
            iload 1 /* docID */
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.starts:[I
            invokestatic org.apache.lucene.index.ReaderUtil.subIndex:(I[I)I
            ireturn
        end local 1 // int docID
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;
            0    3     1  docID  I
    MethodParameters:
       Name  Flags
      docID  

  protected final int readerBase(int);
    descriptor: (I)I
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
        start local 1 // int readerIndex
         0: .line 210
            iload 1 /* readerIndex */
            iflt 1
            iload 1 /* readerIndex */
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReaders:[Lorg/apache/lucene/index/IndexReader;
            arraylength
            if_icmplt 2
         1: .line 211
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            ldc "readerIndex must be >= 0 and < getSequentialSubReaders().size()"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 213
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.starts:[I
            iload 1 /* readerIndex */
            iaload
            ireturn
        end local 1 // int readerIndex
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    3     0         this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;
            0    3     1  readerIndex  I
    MethodParameters:
             Name  Flags
      readerIndex  

  protected final java.util.List<? extends R> getSequentialSubReaders();
    descriptor: ()Ljava/util/List;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.index.BaseCompositeReader this
         0: .line 218
            aload 0 /* this */
            getfield org.apache.lucene.index.BaseCompositeReader.subReadersList:Ljava/util/List;
            areturn
        end local 0 // org.apache.lucene.index.BaseCompositeReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/lucene/index/BaseCompositeReader<TR;>;
    Signature: ()Ljava/util/List<+TR;>;
}
Signature: <R:Lorg/apache/lucene/index/IndexReader;>Lorg/apache/lucene/index/CompositeReader;
SourceFile: "BaseCompositeReader.java"