https://lucene.apache.org/lucene-parent/lucene-join: Lucene Join Module (The Apache Software Foundation) 
public class org.apache.lucene.search.join.ToParentBlockJoinQuery extends org.apache.lucene.search.Query
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.lucene.search.join.ToParentBlockJoinQuery
  super_class: org.apache.lucene.search.Query
{
  private final org.apache.lucene.search.join.BitSetProducer parentsFilter;
    descriptor: Lorg/apache/lucene/search/join/BitSetProducer;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.lucene.search.Query childQuery;
    descriptor: Lorg/apache/lucene/search/Query;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.lucene.search.join.ScoreMode scoreMode;
    descriptor: Lorg/apache/lucene/search/join/ScoreMode;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(org.apache.lucene.search.Query, org.apache.lucene.search.join.BitSetProducer, org.apache.lucene.search.join.ScoreMode);
    descriptor: (Lorg/apache/lucene/search/Query;Lorg/apache/lucene/search/join/BitSetProducer;Lorg/apache/lucene/search/join/ScoreMode;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
        start local 1 // org.apache.lucene.search.Query childQuery
        start local 2 // org.apache.lucene.search.join.BitSetProducer parentsFilter
        start local 3 // org.apache.lucene.search.join.ScoreMode scoreMode
         0: .line 86
            aload 0 /* this */
            invokespecial org.apache.lucene.search.Query.<init>:()V
         1: .line 87
            aload 0 /* this */
            aload 1 /* childQuery */
            putfield org.apache.lucene.search.join.ToParentBlockJoinQuery.childQuery:Lorg/apache/lucene/search/Query;
         2: .line 88
            aload 0 /* this */
            aload 2 /* parentsFilter */
            putfield org.apache.lucene.search.join.ToParentBlockJoinQuery.parentsFilter:Lorg/apache/lucene/search/join/BitSetProducer;
         3: .line 89
            aload 0 /* this */
            aload 3 /* scoreMode */
            putfield org.apache.lucene.search.join.ToParentBlockJoinQuery.scoreMode:Lorg/apache/lucene/search/join/ScoreMode;
         4: .line 90
            return
        end local 3 // org.apache.lucene.search.join.ScoreMode scoreMode
        end local 2 // org.apache.lucene.search.join.BitSetProducer parentsFilter
        end local 1 // org.apache.lucene.search.Query childQuery
        end local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    5     0           this  Lorg/apache/lucene/search/join/ToParentBlockJoinQuery;
            0    5     1     childQuery  Lorg/apache/lucene/search/Query;
            0    5     2  parentsFilter  Lorg/apache/lucene/search/join/BitSetProducer;
            0    5     3      scoreMode  Lorg/apache/lucene/search/join/ScoreMode;
    MethodParameters:
               Name  Flags
      childQuery     
      parentsFilter  
      scoreMode      

  public void visit(org.apache.lucene.search.QueryVisitor);
    descriptor: (Lorg/apache/lucene/search/QueryVisitor;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
        start local 1 // org.apache.lucene.search.QueryVisitor visitor
         0: .line 94
            aload 1 /* visitor */
            aload 0 /* this */
            invokevirtual org.apache.lucene.search.QueryVisitor.visitLeaf:(Lorg/apache/lucene/search/Query;)V
         1: .line 95
            return
        end local 1 // org.apache.lucene.search.QueryVisitor visitor
        end local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0     this  Lorg/apache/lucene/search/join/ToParentBlockJoinQuery;
            0    2     1  visitor  Lorg/apache/lucene/search/QueryVisitor;
    MethodParameters:
         Name  Flags
      visitor  

  public org.apache.lucene.search.Weight createWeight(org.apache.lucene.search.IndexSearcher, org.apache.lucene.search.ScoreMode, float);
    descriptor: (Lorg/apache/lucene/search/IndexSearcher;Lorg/apache/lucene/search/ScoreMode;F)Lorg/apache/lucene/search/Weight;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=6, args_size=4
        start local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
        start local 1 // org.apache.lucene.search.IndexSearcher searcher
        start local 2 // org.apache.lucene.search.ScoreMode weightScoreMode
        start local 3 // float boost
         0: .line 99
            aload 2 /* weightScoreMode */
            invokevirtual org.apache.lucene.search.ScoreMode.needsScores:()Z
            ifeq 1
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.scoreMode:Lorg/apache/lucene/search/join/ScoreMode;
            goto 2
      StackMap locals:
      StackMap stack:
         1: getstatic org.apache.lucene.search.join.ScoreMode.None:Lorg/apache/lucene/search/join/ScoreMode;
      StackMap locals:
      StackMap stack: org.apache.lucene.search.join.ScoreMode
         2: astore 4 /* childScoreMode */
        start local 4 // org.apache.lucene.search.join.ScoreMode childScoreMode
         3: .line 101
            aload 4 /* childScoreMode */
            getstatic org.apache.lucene.search.join.ScoreMode.None:Lorg/apache/lucene/search/join/ScoreMode;
            if_acmpne 6
         4: .line 106
            aload 1 /* searcher */
            new org.apache.lucene.search.ConstantScoreQuery
            dup
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.childQuery:Lorg/apache/lucene/search/Query;
            invokespecial org.apache.lucene.search.ConstantScoreQuery.<init>:(Lorg/apache/lucene/search/Query;)V
            invokevirtual org.apache.lucene.search.IndexSearcher.rewrite:(Lorg/apache/lucene/search/Query;)Lorg/apache/lucene/search/Query;
            aload 1 /* searcher */
            aload 2 /* weightScoreMode */
            fconst_0
            invokevirtual org.apache.lucene.search.Query.createWeight:(Lorg/apache/lucene/search/IndexSearcher;Lorg/apache/lucene/search/ScoreMode;F)Lorg/apache/lucene/search/Weight;
            astore 5 /* childWeight */
        start local 5 // org.apache.lucene.search.Weight childWeight
         5: .line 107
            goto 9
        end local 5 // org.apache.lucene.search.Weight childWeight
         6: .line 110
      StackMap locals: org.apache.lucene.search.join.ScoreMode
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.childQuery:Lorg/apache/lucene/search/Query;
            aload 1 /* searcher */
            aload 2 /* weightScoreMode */
            invokevirtual org.apache.lucene.search.ScoreMode.needsScores:()Z
            ifeq 7
            getstatic org.apache.lucene.search.ScoreMode.COMPLETE:Lorg/apache/lucene/search/ScoreMode;
            goto 8
      StackMap locals: org.apache.lucene.search.join.ToParentBlockJoinQuery org.apache.lucene.search.IndexSearcher org.apache.lucene.search.ScoreMode float org.apache.lucene.search.join.ScoreMode
      StackMap stack: org.apache.lucene.search.Query org.apache.lucene.search.IndexSearcher
         7: aload 2 /* weightScoreMode */
      StackMap locals: org.apache.lucene.search.join.ToParentBlockJoinQuery org.apache.lucene.search.IndexSearcher org.apache.lucene.search.ScoreMode float org.apache.lucene.search.join.ScoreMode
      StackMap stack: org.apache.lucene.search.Query org.apache.lucene.search.IndexSearcher org.apache.lucene.search.ScoreMode
         8: fload 3 /* boost */
            invokevirtual org.apache.lucene.search.Query.createWeight:(Lorg/apache/lucene/search/IndexSearcher;Lorg/apache/lucene/search/ScoreMode;F)Lorg/apache/lucene/search/Weight;
            astore 5 /* childWeight */
        start local 5 // org.apache.lucene.search.Weight childWeight
         9: .line 112
      StackMap locals: org.apache.lucene.search.Weight
      StackMap stack:
            new org.apache.lucene.search.join.ToParentBlockJoinQuery$BlockJoinWeight
            dup
            aload 0 /* this */
            aload 5 /* childWeight */
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.parentsFilter:Lorg/apache/lucene/search/join/BitSetProducer;
            aload 4 /* childScoreMode */
            invokespecial org.apache.lucene.search.join.ToParentBlockJoinQuery$BlockJoinWeight.<init>:(Lorg/apache/lucene/search/Query;Lorg/apache/lucene/search/Weight;Lorg/apache/lucene/search/join/BitSetProducer;Lorg/apache/lucene/search/join/ScoreMode;)V
            areturn
        end local 5 // org.apache.lucene.search.Weight childWeight
        end local 4 // org.apache.lucene.search.join.ScoreMode childScoreMode
        end local 3 // float boost
        end local 2 // org.apache.lucene.search.ScoreMode weightScoreMode
        end local 1 // org.apache.lucene.search.IndexSearcher searcher
        end local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   10     0             this  Lorg/apache/lucene/search/join/ToParentBlockJoinQuery;
            0   10     1         searcher  Lorg/apache/lucene/search/IndexSearcher;
            0   10     2  weightScoreMode  Lorg/apache/lucene/search/ScoreMode;
            0   10     3            boost  F
            3   10     4   childScoreMode  Lorg/apache/lucene/search/join/ScoreMode;
            5    6     5      childWeight  Lorg/apache/lucene/search/Weight;
            9   10     5      childWeight  Lorg/apache/lucene/search/Weight;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                 Name  Flags
      searcher         
      weightScoreMode  
      boost            

  public org.apache.lucene.search.Query getChildQuery();
    descriptor: ()Lorg/apache/lucene/search/Query;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
         0: .line 117
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.childQuery:Lorg/apache/lucene/search/Query;
            areturn
        end local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/lucene/search/join/ToParentBlockJoinQuery;

  public org.apache.lucene.search.Query rewrite(org.apache.lucene.index.IndexReader);
    descriptor: (Lorg/apache/lucene/index/IndexReader;)Lorg/apache/lucene/search/Query;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
        start local 1 // org.apache.lucene.index.IndexReader reader
         0: .line 414
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.childQuery:Lorg/apache/lucene/search/Query;
            aload 1 /* reader */
            invokevirtual org.apache.lucene.search.Query.rewrite:(Lorg/apache/lucene/index/IndexReader;)Lorg/apache/lucene/search/Query;
            astore 2 /* childRewrite */
        start local 2 // org.apache.lucene.search.Query childRewrite
         1: .line 415
            aload 2 /* childRewrite */
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.childQuery:Lorg/apache/lucene/search/Query;
            if_acmpeq 6
         2: .line 416
            new org.apache.lucene.search.join.ToParentBlockJoinQuery
            dup
            aload 2 /* childRewrite */
         3: .line 417
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.parentsFilter:Lorg/apache/lucene/search/join/BitSetProducer;
         4: .line 418
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.scoreMode:Lorg/apache/lucene/search/join/ScoreMode;
         5: .line 416
            invokespecial org.apache.lucene.search.join.ToParentBlockJoinQuery.<init>:(Lorg/apache/lucene/search/Query;Lorg/apache/lucene/search/join/BitSetProducer;Lorg/apache/lucene/search/join/ScoreMode;)V
            areturn
         6: .line 420
      StackMap locals: org.apache.lucene.search.Query
      StackMap stack:
            aload 0 /* this */
            aload 1 /* reader */
            invokespecial org.apache.lucene.search.Query.rewrite:(Lorg/apache/lucene/index/IndexReader;)Lorg/apache/lucene/search/Query;
            areturn
        end local 2 // org.apache.lucene.search.Query childRewrite
        end local 1 // org.apache.lucene.index.IndexReader reader
        end local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    7     0          this  Lorg/apache/lucene/search/join/ToParentBlockJoinQuery;
            0    7     1        reader  Lorg/apache/lucene/index/IndexReader;
            1    7     2  childRewrite  Lorg/apache/lucene/search/Query;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      reader  

  public java.lang.String toString(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
        start local 1 // java.lang.String field
         0: .line 426
            new java.lang.StringBuilder
            dup
            ldc "ToParentBlockJoinQuery ("
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.childQuery:Lorg/apache/lucene/search/Query;
            invokevirtual org.apache.lucene.search.Query.toString:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc ")"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.lang.String field
        end local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/apache/lucene/search/join/ToParentBlockJoinQuery;
            0    1     1  field  Ljava/lang/String;
    MethodParameters:
       Name  Flags
      field  

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
        start local 1 // java.lang.Object other
         0: .line 431
            aload 0 /* this */
            aload 1 /* other */
            invokevirtual org.apache.lucene.search.join.ToParentBlockJoinQuery.sameClassAs:(Ljava/lang/Object;)Z
            ifeq 3
         1: .line 432
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            aload 1 /* other */
            invokevirtual java.lang.Class.cast:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.apache.lucene.search.join.ToParentBlockJoinQuery
            invokevirtual org.apache.lucene.search.join.ToParentBlockJoinQuery.equalsTo:(Lorg/apache/lucene/search/join/ToParentBlockJoinQuery;)Z
            ifeq 3
         2: .line 431
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         3: iconst_0
            ireturn
        end local 1 // java.lang.Object other
        end local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lorg/apache/lucene/search/join/ToParentBlockJoinQuery;
            0    4     1  other  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      other  

  private boolean equalsTo(org.apache.lucene.search.join.ToParentBlockJoinQuery);
    descriptor: (Lorg/apache/lucene/search/join/ToParentBlockJoinQuery;)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
        start local 1 // org.apache.lucene.search.join.ToParentBlockJoinQuery other
         0: .line 436
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.childQuery:Lorg/apache/lucene/search/Query;
            aload 1 /* other */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.childQuery:Lorg/apache/lucene/search/Query;
            invokevirtual org.apache.lucene.search.Query.equals:(Ljava/lang/Object;)Z
            ifeq 4
         1: .line 437
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.parentsFilter:Lorg/apache/lucene/search/join/BitSetProducer;
            aload 1 /* other */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.parentsFilter:Lorg/apache/lucene/search/join/BitSetProducer;
            invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
            ifeq 4
         2: .line 438
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.scoreMode:Lorg/apache/lucene/search/join/ScoreMode;
            aload 1 /* other */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.scoreMode:Lorg/apache/lucene/search/join/ScoreMode;
            if_acmpne 4
         3: .line 436
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         4: iconst_0
            ireturn
        end local 1 // org.apache.lucene.search.join.ToParentBlockJoinQuery other
        end local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Lorg/apache/lucene/search/join/ToParentBlockJoinQuery;
            0    5     1  other  Lorg/apache/lucene/search/join/ToParentBlockJoinQuery;
    MethodParameters:
       Name  Flags
      other  

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
         0: .line 444
            aload 0 /* this */
            invokevirtual org.apache.lucene.search.join.ToParentBlockJoinQuery.classHash:()I
            istore 1 /* hash */
        start local 1 // int hash
         1: .line 445
            bipush 31
            iload 1 /* hash */
            imul
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.childQuery:Lorg/apache/lucene/search/Query;
            invokevirtual org.apache.lucene.search.Query.hashCode:()I
            iadd
            istore 1 /* hash */
         2: .line 446
            bipush 31
            iload 1 /* hash */
            imul
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.scoreMode:Lorg/apache/lucene/search/join/ScoreMode;
            invokevirtual org.apache.lucene.search.join.ScoreMode.hashCode:()I
            iadd
            istore 1 /* hash */
         3: .line 447
            bipush 31
            iload 1 /* hash */
            imul
            aload 0 /* this */
            getfield org.apache.lucene.search.join.ToParentBlockJoinQuery.parentsFilter:Lorg/apache/lucene/search/join/BitSetProducer;
            invokevirtual java.lang.Object.hashCode:()I
            iadd
            istore 1 /* hash */
         4: .line 448
            iload 1 /* hash */
            ireturn
        end local 1 // int hash
        end local 0 // org.apache.lucene.search.join.ToParentBlockJoinQuery this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/lucene/search/join/ToParentBlockJoinQuery;
            1    5     1  hash  I
}
SourceFile: "ToParentBlockJoinQuery.java"
NestMembers:
  org.apache.lucene.search.join.ToParentBlockJoinQuery$BlockJoinScorer  org.apache.lucene.search.join.ToParentBlockJoinQuery$BlockJoinWeight  org.apache.lucene.search.join.ToParentBlockJoinQuery$BlockJoinWeight$1  org.apache.lucene.search.join.ToParentBlockJoinQuery$ParentApproximation  org.apache.lucene.search.join.ToParentBlockJoinQuery$ParentTwoPhase
InnerClasses:
  BlockJoinScorer = org.apache.lucene.search.join.ToParentBlockJoinQuery$BlockJoinScorer of org.apache.lucene.search.join.ToParentBlockJoinQuery
  private BlockJoinWeight = org.apache.lucene.search.join.ToParentBlockJoinQuery$BlockJoinWeight of org.apache.lucene.search.join.ToParentBlockJoinQuery
  private ParentApproximation = org.apache.lucene.search.join.ToParentBlockJoinQuery$ParentApproximation of org.apache.lucene.search.join.ToParentBlockJoinQuery
  private ParentTwoPhase = org.apache.lucene.search.join.ToParentBlockJoinQuery$ParentTwoPhase of org.apache.lucene.search.join.ToParentBlockJoinQuery