https://cassandra.apache.org: The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
  • Andres de la Peña
  • Avinash Lakshman
  • Aleksey Yeschenko
  • Aaron Morton
  • Ariel Weisberg
  • Blake Eggleston
  • Benedict Elliott Smith
  • Benjamin Lerer
  • Branimir Lambov
  • Brandon Williams
  • Carl Yeksigian
  • David Brosiusd
  • Dikang Gu
  • Eric Evans
  • Gary Dusbabek
  • Chris Goffinet
  • Alex Petrov
  • Laine Jaakko Olavi
  • T Jake Luciani
  • Jason Brown
  • Jonathan Ellis
  • Jake Farrell
  • Jeff Jirsa
  • Joel Knighton
  • Josh McKenzie
  • Johan Oskarsson
  • Jun Rao
  • Jay Zhuang
  • Sankalp Kohli
  • Marcus Eriksson
  • Michael Semb Wever
  • Mikhail Stepura
  • Michael Shuler
  • Paulo Motta
  • Prashant Malik
  • Robert Stupp
  • Peter Schuller
  • Sam Tunnicliffe
  • Sylvain Lebresne
  • Stefania Alborghetti
  • Tyler Hobbs
  • Vijay Parthasarathy
  • Pavel Yaskevich
  • Yuki Morishita
  • Nate McCall 
class org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer extends org.apache.cassandra.utils.MergeIterator$Reducer<org.apache.cassandra.db.rows.ColumnData, org.apache.cassandra.db.rows.ColumnData>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer
  super_class: org.apache.cassandra.utils.MergeIterator$Reducer
{
  private final int nowInSec;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private org.apache.cassandra.config.ColumnDefinition column;
    descriptor: Lorg/apache/cassandra/config/ColumnDefinition;
    flags: (0x0002) ACC_PRIVATE

  private final java.util.List<org.apache.cassandra.db.rows.ColumnData> versions;
    descriptor: Ljava/util/List;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/List<Lorg/apache/cassandra/db/rows/ColumnData;>;

  private org.apache.cassandra.db.DeletionTime activeDeletion;
    descriptor: Lorg/apache/cassandra/db/DeletionTime;
    flags: (0x0002) ACC_PRIVATE

  private final org.apache.cassandra.db.rows.ComplexColumnData$Builder complexBuilder;
    descriptor: Lorg/apache/cassandra/db/rows/ComplexColumnData$Builder;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.List<java.util.Iterator<org.apache.cassandra.db.rows.Cell>> complexCells;
    descriptor: Ljava/util/List;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/List<Ljava/util/Iterator<Lorg/apache/cassandra/db/rows/Cell;>;>;

  private final org.apache.cassandra.db.rows.Row$Merger$CellReducer cellReducer;
    descriptor: Lorg/apache/cassandra/db/rows/Row$Merger$CellReducer;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(int, int, boolean);
    descriptor: (IIZ)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer this
        start local 1 // int size
        start local 2 // int nowInSec
        start local 3 // boolean hasComplex
         0: .line 739
            aload 0 /* this */
            invokespecial org.apache.cassandra.utils.MergeIterator$Reducer.<init>:()V
         1: .line 741
            aload 0 /* this */
            iload 2 /* nowInSec */
            putfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.nowInSec:I
         2: .line 742
            aload 0 /* this */
            new java.util.ArrayList
            dup
            iload 1 /* size */
            invokespecial java.util.ArrayList.<init>:(I)V
            putfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.versions:Ljava/util/List;
         3: .line 743
            aload 0 /* this */
            iload 3 /* hasComplex */
            ifeq 4
            invokestatic org.apache.cassandra.db.rows.ComplexColumnData.builder:()Lorg/apache/cassandra/db/rows/ComplexColumnData$Builder;
            goto 5
      StackMap locals: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer int int int
      StackMap stack: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer
         4: aconst_null
      StackMap locals: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer int int int
      StackMap stack: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer org.apache.cassandra.db.rows.ComplexColumnData$Builder
         5: putfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.complexBuilder:Lorg/apache/cassandra/db/rows/ComplexColumnData$Builder;
         6: .line 744
            aload 0 /* this */
            iload 3 /* hasComplex */
            ifeq 7
            new java.util.ArrayList
            dup
            iload 1 /* size */
            invokespecial java.util.ArrayList.<init>:(I)V
            goto 8
      StackMap locals:
      StackMap stack: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer
         7: aconst_null
      StackMap locals: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer int int int
      StackMap stack: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer java.util.ArrayList
         8: putfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.complexCells:Ljava/util/List;
         9: .line 745
            aload 0 /* this */
            new org.apache.cassandra.db.rows.Row$Merger$CellReducer
            dup
            iload 2 /* nowInSec */
            invokespecial org.apache.cassandra.db.rows.Row$Merger$CellReducer.<init>:(I)V
            putfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.cellReducer:Lorg/apache/cassandra/db/rows/Row$Merger$CellReducer;
        10: .line 746
            return
        end local 3 // boolean hasComplex
        end local 2 // int nowInSec
        end local 1 // int size
        end local 0 // org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   11     0        this  Lorg/apache/cassandra/db/rows/Row$Merger$ColumnDataReducer;
            0   11     1        size  I
            0   11     2    nowInSec  I
            0   11     3  hasComplex  Z
    MethodParameters:
            Name  Flags
      size        
      nowInSec    
      hasComplex  

  public void setActiveDeletion(org.apache.cassandra.db.DeletionTime);
    descriptor: (Lorg/apache/cassandra/db/DeletionTime;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer this
        start local 1 // org.apache.cassandra.db.DeletionTime activeDeletion
         0: .line 750
            aload 0 /* this */
            aload 1 /* activeDeletion */
            putfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.activeDeletion:Lorg/apache/cassandra/db/DeletionTime;
         1: .line 751
            return
        end local 1 // org.apache.cassandra.db.DeletionTime activeDeletion
        end local 0 // org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    2     0            this  Lorg/apache/cassandra/db/rows/Row$Merger$ColumnDataReducer;
            0    2     1  activeDeletion  Lorg/apache/cassandra/db/DeletionTime;
    MethodParameters:
                Name  Flags
      activeDeletion  

  public void reduce(int, org.apache.cassandra.db.rows.ColumnData);
    descriptor: (ILorg/apache/cassandra/db/rows/ColumnData;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer this
        start local 1 // int idx
        start local 2 // org.apache.cassandra.db.rows.ColumnData data
         0: .line 755
            aload 0 /* this */
            aload 2 /* data */
            invokevirtual org.apache.cassandra.db.rows.ColumnData.column:()Lorg/apache/cassandra/config/ColumnDefinition;
            invokevirtual org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.useColumnDefinition:(Lorg/apache/cassandra/config/ColumnDefinition;)Z
            ifeq 2
         1: .line 756
            aload 0 /* this */
            aload 2 /* data */
            invokevirtual org.apache.cassandra.db.rows.ColumnData.column:()Lorg/apache/cassandra/config/ColumnDefinition;
            putfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.column:Lorg/apache/cassandra/config/ColumnDefinition;
         2: .line 758
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.versions:Ljava/util/List;
            aload 2 /* data */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         3: .line 759
            return
        end local 2 // org.apache.cassandra.db.rows.ColumnData data
        end local 1 // int idx
        end local 0 // org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/cassandra/db/rows/Row$Merger$ColumnDataReducer;
            0    4     1   idx  I
            0    4     2  data  Lorg/apache/cassandra/db/rows/ColumnData;
    MethodParameters:
      Name  Flags
      idx   
      data  

  private boolean useColumnDefinition(org.apache.cassandra.config.ColumnDefinition);
    descriptor: (Lorg/apache/cassandra/config/ColumnDefinition;)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer this
        start local 1 // org.apache.cassandra.config.ColumnDefinition dataColumn
         0: .line 768
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.column:Lorg/apache/cassandra/config/ColumnDefinition;
            ifnonnull 2
         1: .line 769
            iconst_1
            ireturn
         2: .line 771
      StackMap locals:
      StackMap stack:
            getstatic org.apache.cassandra.db.rows.AbstractTypeVersionComparator.INSTANCE:Ljava/util/Comparator;
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.column:Lorg/apache/cassandra/config/ColumnDefinition;
            getfield org.apache.cassandra.config.ColumnDefinition.type:Lorg/apache/cassandra/db/marshal/AbstractType;
            aload 1 /* dataColumn */
            getfield org.apache.cassandra.config.ColumnDefinition.type:Lorg/apache/cassandra/db/marshal/AbstractType;
            invokeinterface java.util.Comparator.compare:(Ljava/lang/Object;Ljava/lang/Object;)I
            ifge 3
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         3: iconst_0
            ireturn
        end local 1 // org.apache.cassandra.config.ColumnDefinition dataColumn
        end local 0 // org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    4     0        this  Lorg/apache/cassandra/db/rows/Row$Merger$ColumnDataReducer;
            0    4     1  dataColumn  Lorg/apache/cassandra/config/ColumnDefinition;
    MethodParameters:
            Name  Flags
      dataColumn  

  protected org.apache.cassandra.db.rows.ColumnData getReduced();
    descriptor: ()Lorg/apache/cassandra/db/rows/ColumnData;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=5, args_size=1
        start local 0 // org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer this
         0: .line 776
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.column:Lorg/apache/cassandra/config/ColumnDefinition;
            invokevirtual org.apache.cassandra.config.ColumnDefinition.isSimple:()Z
            ifeq 11
         1: .line 778
            aconst_null
            astore 1 /* merged */
        start local 1 // org.apache.cassandra.db.rows.Cell merged
         2: .line 779
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.versions:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 3
            goto 9
      StackMap locals: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer org.apache.cassandra.db.rows.Cell top java.util.Iterator
      StackMap stack:
         3: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.cassandra.db.rows.ColumnData
            astore 2 /* data */
        start local 2 // org.apache.cassandra.db.rows.ColumnData data
         4: .line 781
            aload 2 /* data */
            checkcast org.apache.cassandra.db.rows.Cell
            astore 4 /* cell */
        start local 4 // org.apache.cassandra.db.rows.Cell cell
         5: .line 782
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.activeDeletion:Lorg/apache/cassandra/db/DeletionTime;
            aload 4 /* cell */
            invokevirtual org.apache.cassandra.db.DeletionTime.deletes:(Lorg/apache/cassandra/db/rows/Cell;)Z
            ifne 9
         6: .line 783
            aload 1 /* merged */
            ifnonnull 7
            aload 4 /* cell */
            goto 8
      StackMap locals: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer org.apache.cassandra.db.rows.Cell org.apache.cassandra.db.rows.ColumnData java.util.Iterator org.apache.cassandra.db.rows.Cell
      StackMap stack:
         7: aload 1 /* merged */
            aload 4 /* cell */
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.nowInSec:I
            invokestatic org.apache.cassandra.db.rows.Cells.reconcile:(Lorg/apache/cassandra/db/rows/Cell;Lorg/apache/cassandra/db/rows/Cell;I)Lorg/apache/cassandra/db/rows/Cell;
      StackMap locals:
      StackMap stack: org.apache.cassandra.db.rows.Cell
         8: astore 1 /* merged */
        end local 4 // org.apache.cassandra.db.rows.Cell cell
        end local 2 // org.apache.cassandra.db.rows.ColumnData data
         9: .line 779
      StackMap locals: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer org.apache.cassandra.db.rows.Cell top java.util.Iterator
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
        10: .line 785
            aload 1 /* merged */
            areturn
        end local 1 // org.apache.cassandra.db.rows.Cell merged
        11: .line 789
      StackMap locals: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.complexBuilder:Lorg/apache/cassandra/db/rows/ComplexColumnData$Builder;
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.column:Lorg/apache/cassandra/config/ColumnDefinition;
            invokevirtual org.apache.cassandra.db.rows.ComplexColumnData$Builder.newColumn:(Lorg/apache/cassandra/config/ColumnDefinition;)V
        12: .line 790
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.complexCells:Ljava/util/List;
            invokeinterface java.util.List.clear:()V
        13: .line 791
            getstatic org.apache.cassandra.db.DeletionTime.LIVE:Lorg/apache/cassandra/db/DeletionTime;
            astore 1 /* complexDeletion */
        start local 1 // org.apache.cassandra.db.DeletionTime complexDeletion
        14: .line 792
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.versions:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 3
            goto 20
      StackMap locals: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer org.apache.cassandra.db.DeletionTime top java.util.Iterator
      StackMap stack:
        15: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.cassandra.db.rows.ColumnData
            astore 2 /* data */
        start local 2 // org.apache.cassandra.db.rows.ColumnData data
        16: .line 794
            aload 2 /* data */
            checkcast org.apache.cassandra.db.rows.ComplexColumnData
            astore 4 /* cd */
        start local 4 // org.apache.cassandra.db.rows.ComplexColumnData cd
        17: .line 795
            aload 4 /* cd */
            invokevirtual org.apache.cassandra.db.rows.ComplexColumnData.complexDeletion:()Lorg/apache/cassandra/db/DeletionTime;
            aload 1 /* complexDeletion */
            invokevirtual org.apache.cassandra.db.DeletionTime.supersedes:(Lorg/apache/cassandra/db/DeletionTime;)Z
            ifeq 19
        18: .line 796
            aload 4 /* cd */
            invokevirtual org.apache.cassandra.db.rows.ComplexColumnData.complexDeletion:()Lorg/apache/cassandra/db/DeletionTime;
            astore 1 /* complexDeletion */
        19: .line 797
      StackMap locals: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer org.apache.cassandra.db.DeletionTime org.apache.cassandra.db.rows.ColumnData java.util.Iterator org.apache.cassandra.db.rows.ComplexColumnData
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.complexCells:Ljava/util/List;
            aload 4 /* cd */
            invokevirtual org.apache.cassandra.db.rows.ComplexColumnData.iterator:()Ljava/util/Iterator;
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 4 // org.apache.cassandra.db.rows.ComplexColumnData cd
        end local 2 // org.apache.cassandra.db.rows.ColumnData data
        20: .line 792
      StackMap locals: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer org.apache.cassandra.db.DeletionTime top java.util.Iterator
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 15
        21: .line 800
            aload 1 /* complexDeletion */
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.activeDeletion:Lorg/apache/cassandra/db/DeletionTime;
            invokevirtual org.apache.cassandra.db.DeletionTime.supersedes:(Lorg/apache/cassandra/db/DeletionTime;)Z
            ifeq 25
        22: .line 802
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.cellReducer:Lorg/apache/cassandra/db/rows/Row$Merger$CellReducer;
            aload 1 /* complexDeletion */
            invokevirtual org.apache.cassandra.db.rows.Row$Merger$CellReducer.setActiveDeletion:(Lorg/apache/cassandra/db/DeletionTime;)V
        23: .line 803
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.complexBuilder:Lorg/apache/cassandra/db/rows/ComplexColumnData$Builder;
            aload 1 /* complexDeletion */
            invokevirtual org.apache.cassandra.db.rows.ComplexColumnData$Builder.addComplexDeletion:(Lorg/apache/cassandra/db/DeletionTime;)V
        24: .line 804
            goto 26
        25: .line 807
      StackMap locals: org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer org.apache.cassandra.db.DeletionTime
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.cellReducer:Lorg/apache/cassandra/db/rows/Row$Merger$CellReducer;
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.activeDeletion:Lorg/apache/cassandra/db/DeletionTime;
            invokevirtual org.apache.cassandra.db.rows.Row$Merger$CellReducer.setActiveDeletion:(Lorg/apache/cassandra/db/DeletionTime;)V
        26: .line 810
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.complexCells:Ljava/util/List;
            getstatic org.apache.cassandra.db.rows.Cell.comparator:Ljava/util/Comparator;
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.cellReducer:Lorg/apache/cassandra/db/rows/Row$Merger$CellReducer;
            invokestatic org.apache.cassandra.utils.MergeIterator.get:(Ljava/util/List;Ljava/util/Comparator;Lorg/apache/cassandra/utils/MergeIterator$Reducer;)Lorg/apache/cassandra/utils/MergeIterator;
            astore 2 /* cells */
        start local 2 // java.util.Iterator cells
        27: .line 811
            goto 31
        28: .line 813
      StackMap locals: java.util.Iterator
      StackMap stack:
            aload 2 /* cells */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.cassandra.db.rows.Cell
            astore 3 /* merged */
        start local 3 // org.apache.cassandra.db.rows.Cell merged
        29: .line 814
            aload 3 /* merged */
            ifnull 31
        30: .line 815
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.complexBuilder:Lorg/apache/cassandra/db/rows/ComplexColumnData$Builder;
            aload 3 /* merged */
            invokevirtual org.apache.cassandra.db.rows.ComplexColumnData$Builder.addCell:(Lorg/apache/cassandra/db/rows/Cell;)V
        end local 3 // org.apache.cassandra.db.rows.Cell merged
        31: .line 811
      StackMap locals:
      StackMap stack:
            aload 2 /* cells */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 28
        32: .line 817
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.complexBuilder:Lorg/apache/cassandra/db/rows/ComplexColumnData$Builder;
            invokevirtual org.apache.cassandra.db.rows.ComplexColumnData$Builder.build:()Lorg/apache/cassandra/db/rows/ComplexColumnData;
            areturn
        end local 2 // java.util.Iterator cells
        end local 1 // org.apache.cassandra.db.DeletionTime complexDeletion
        end local 0 // org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   33     0             this  Lorg/apache/cassandra/db/rows/Row$Merger$ColumnDataReducer;
            2   11     1           merged  Lorg/apache/cassandra/db/rows/Cell;
            4    9     2             data  Lorg/apache/cassandra/db/rows/ColumnData;
            5    9     4             cell  Lorg/apache/cassandra/db/rows/Cell;
           14   33     1  complexDeletion  Lorg/apache/cassandra/db/DeletionTime;
           16   20     2             data  Lorg/apache/cassandra/db/rows/ColumnData;
           17   20     4               cd  Lorg/apache/cassandra/db/rows/ComplexColumnData;
           27   33     2            cells  Ljava/util/Iterator<Lorg/apache/cassandra/db/rows/Cell;>;
           29   31     3           merged  Lorg/apache/cassandra/db/rows/Cell;

  protected void onKeyChange();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer this
         0: .line 823
            aload 0 /* this */
            aconst_null
            putfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.column:Lorg/apache/cassandra/config/ColumnDefinition;
         1: .line 824
            aload 0 /* this */
            getfield org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.versions:Ljava/util/List;
            invokeinterface java.util.List.clear:()V
         2: .line 825
            return
        end local 0 // org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/cassandra/db/rows/Row$Merger$ColumnDataReducer;

  public void reduce(int, java.lang.Object);
    descriptor: (ILjava/lang/Object;)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=3
         0: .line 1
            aload 0
            iload 1
            aload 2
            checkcast org.apache.cassandra.db.rows.ColumnData
            invokevirtual org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.reduce:(ILorg/apache/cassandra/db/rows/ColumnData;)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected java.lang.Object getReduced();
    descriptor: ()Ljava/lang/Object;
    flags: (0x1044) ACC_PROTECTED, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer.getReduced:()Lorg/apache/cassandra/db/rows/ColumnData;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Lorg/apache/cassandra/utils/MergeIterator$Reducer<Lorg/apache/cassandra/db/rows/ColumnData;Lorg/apache/cassandra/db/rows/ColumnData;>;
SourceFile: "Row.java"
NestHost: org.apache.cassandra.db.rows.Row
InnerClasses:
  public Builder = org.apache.cassandra.db.rows.ComplexColumnData$Builder of org.apache.cassandra.db.rows.ComplexColumnData
  public Merger = org.apache.cassandra.db.rows.Row$Merger of org.apache.cassandra.db.rows.Row
  private CellReducer = org.apache.cassandra.db.rows.Row$Merger$CellReducer of org.apache.cassandra.db.rows.Row$Merger
  private ColumnDataReducer = org.apache.cassandra.db.rows.Row$Merger$ColumnDataReducer of org.apache.cassandra.db.rows.Row$Merger
  public abstract Reducer = org.apache.cassandra.utils.MergeIterator$Reducer of org.apache.cassandra.utils.MergeIterator