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 
public abstract class org.apache.cassandra.utils.MergeIterator<In, Out> extends org.apache.cassandra.utils.AbstractIterator<Out> implements org.apache.cassandra.utils.IMergeIterator<In, Out>
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.apache.cassandra.utils.MergeIterator
  super_class: org.apache.cassandra.utils.AbstractIterator
{
  protected final org.apache.cassandra.utils.MergeIterator$Reducer<In, Out> reducer;
    descriptor: Lorg/apache/cassandra/utils/MergeIterator$Reducer;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Signature: Lorg/apache/cassandra/utils/MergeIterator$Reducer<TIn;TOut;>;

  protected final java.util.List<? extends java.util.Iterator<In>> iterators;
    descriptor: Ljava/util/List;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Signature: Ljava/util/List<+Ljava/util/Iterator<TIn;>;>;

  protected void <init>(java.util.List<? extends java.util.Iterator<In>>, org.apache.cassandra.utils.MergeIterator$Reducer<In, Out>);
    descriptor: (Ljava/util/List;Lorg/apache/cassandra/utils/MergeIterator$Reducer;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.apache.cassandra.utils.MergeIterator this
        start local 1 // java.util.List iters
        start local 2 // org.apache.cassandra.utils.MergeIterator$Reducer reducer
         0: .line 28
            aload 0 /* this */
            invokespecial org.apache.cassandra.utils.AbstractIterator.<init>:()V
         1: .line 30
            aload 0 /* this */
            aload 1 /* iters */
            putfield org.apache.cassandra.utils.MergeIterator.iterators:Ljava/util/List;
         2: .line 31
            aload 0 /* this */
            aload 2 /* reducer */
            putfield org.apache.cassandra.utils.MergeIterator.reducer:Lorg/apache/cassandra/utils/MergeIterator$Reducer;
         3: .line 32
            return
        end local 2 // org.apache.cassandra.utils.MergeIterator$Reducer reducer
        end local 1 // java.util.List iters
        end local 0 // org.apache.cassandra.utils.MergeIterator this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lorg/apache/cassandra/utils/MergeIterator<TIn;TOut;>;
            0    4     1    iters  Ljava/util/List<+Ljava/util/Iterator<TIn;>;>;
            0    4     2  reducer  Lorg/apache/cassandra/utils/MergeIterator$Reducer<TIn;TOut;>;
    Signature: (Ljava/util/List<+Ljava/util/Iterator<TIn;>;>;Lorg/apache/cassandra/utils/MergeIterator$Reducer<TIn;TOut;>;)V
    MethodParameters:
         Name  Flags
      iters    
      reducer  

  public static <In, Out> org.apache.cassandra.utils.MergeIterator<In, Out> get(java.util.List<? extends java.util.Iterator<In>>, java.util.Comparator<? super In>, org.apache.cassandra.utils.MergeIterator$Reducer<In, Out>);
    descriptor: (Ljava/util/List;Ljava/util/Comparator;Lorg/apache/cassandra/utils/MergeIterator$Reducer;)Lorg/apache/cassandra/utils/MergeIterator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // java.util.List sources
        start local 1 // java.util.Comparator comparator
        start local 2 // org.apache.cassandra.utils.MergeIterator$Reducer reducer
         0: .line 38
            aload 0 /* sources */
            invokeinterface java.util.List.size:()I
            iconst_1
            if_icmpne 5
         1: .line 40
            aload 2 /* reducer */
            invokevirtual org.apache.cassandra.utils.MergeIterator$Reducer.trivialReduceIsTrivial:()Z
            ifeq 3
         2: .line 41
            new org.apache.cassandra.utils.MergeIterator$TrivialOneToOne
            dup
            aload 0 /* sources */
            aload 2 /* reducer */
            invokespecial org.apache.cassandra.utils.MergeIterator$TrivialOneToOne.<init>:(Ljava/util/List;Lorg/apache/cassandra/utils/MergeIterator$Reducer;)V
            goto 4
         3: .line 42
      StackMap locals:
      StackMap stack:
            new org.apache.cassandra.utils.MergeIterator$OneToOne
            dup
            aload 0 /* sources */
            aload 2 /* reducer */
            invokespecial org.apache.cassandra.utils.MergeIterator$OneToOne.<init>:(Ljava/util/List;Lorg/apache/cassandra/utils/MergeIterator$Reducer;)V
         4: .line 40
      StackMap locals:
      StackMap stack: org.apache.cassandra.utils.MergeIterator
            areturn
         5: .line 44
      StackMap locals:
      StackMap stack:
            new org.apache.cassandra.utils.MergeIterator$ManyToOne
            dup
            aload 0 /* sources */
            aload 1 /* comparator */
            aload 2 /* reducer */
            invokespecial org.apache.cassandra.utils.MergeIterator$ManyToOne.<init>:(Ljava/util/List;Ljava/util/Comparator;Lorg/apache/cassandra/utils/MergeIterator$Reducer;)V
            areturn
        end local 2 // org.apache.cassandra.utils.MergeIterator$Reducer reducer
        end local 1 // java.util.Comparator comparator
        end local 0 // java.util.List sources
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0     sources  Ljava/util/List<+Ljava/util/Iterator<TIn;>;>;
            0    6     1  comparator  Ljava/util/Comparator<-TIn;>;
            0    6     2     reducer  Lorg/apache/cassandra/utils/MergeIterator$Reducer<TIn;TOut;>;
    Signature: <In:Ljava/lang/Object;Out:Ljava/lang/Object;>(Ljava/util/List<+Ljava/util/Iterator<TIn;>;>;Ljava/util/Comparator<-TIn;>;Lorg/apache/cassandra/utils/MergeIterator$Reducer<TIn;TOut;>;)Lorg/apache/cassandra/utils/MergeIterator<TIn;TOut;>;
    MethodParameters:
            Name  Flags
      sources     
      comparator  
      reducer     

  public java.lang.Iterable<? extends java.util.Iterator<In>> iterators();
    descriptor: ()Ljava/lang/Iterable;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.MergeIterator this
         0: .line 49
            aload 0 /* this */
            getfield org.apache.cassandra.utils.MergeIterator.iterators:Ljava/util/List;
            areturn
        end local 0 // org.apache.cassandra.utils.MergeIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/utils/MergeIterator<TIn;TOut;>;
    Signature: ()Ljava/lang/Iterable<+Ljava/util/Iterator<TIn;>;>;

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=1
        start local 0 // org.apache.cassandra.utils.MergeIterator this
         0: .line 54
            aload 0 /* this */
            getfield org.apache.cassandra.utils.MergeIterator.iterators:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 2
            goto 7
      StackMap locals: org.apache.cassandra.utils.MergeIterator top java.util.Iterator
      StackMap stack:
         1: aload 2
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Iterator
            astore 1 /* iterator */
        start local 1 // java.util.Iterator iterator
         2: .line 58
            aload 1 /* iterator */
            instanceof java.lang.AutoCloseable
            ifeq 7
         3: .line 59
            aload 1 /* iterator */
            checkcast java.lang.AutoCloseable
            invokeinterface java.lang.AutoCloseable.close:()V
         4: .line 60
            goto 7
         5: .line 61
      StackMap locals: org.apache.cassandra.utils.MergeIterator java.util.Iterator java.util.Iterator
      StackMap stack: java.lang.Exception
            astore 3 /* e */
        start local 3 // java.lang.Exception e
         6: .line 63
            new java.lang.RuntimeException
            dup
            aload 3 /* e */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.lang.Exception e
        end local 1 // java.util.Iterator iterator
         7: .line 54
      StackMap locals: org.apache.cassandra.utils.MergeIterator top java.util.Iterator
      StackMap stack:
            aload 2
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 1
         8: .line 67
            aload 0 /* this */
            getfield org.apache.cassandra.utils.MergeIterator.reducer:Lorg/apache/cassandra/utils/MergeIterator$Reducer;
            invokevirtual org.apache.cassandra.utils.MergeIterator$Reducer.close:()V
         9: .line 68
            return
        end local 0 // org.apache.cassandra.utils.MergeIterator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   10     0      this  Lorg/apache/cassandra/utils/MergeIterator<TIn;TOut;>;
            2    7     1  iterator  Ljava/util/Iterator<TIn;>;
            6    7     3         e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           2     4       5  Class java.lang.Exception
}
Signature: <In:Ljava/lang/Object;Out:Ljava/lang/Object;>Lorg/apache/cassandra/utils/AbstractIterator<TOut;>;Lorg/apache/cassandra/utils/IMergeIterator<TIn;TOut;>;
SourceFile: "MergeIterator.java"
NestMembers:
  org.apache.cassandra.utils.MergeIterator$Candidate  org.apache.cassandra.utils.MergeIterator$ManyToOne  org.apache.cassandra.utils.MergeIterator$OneToOne  org.apache.cassandra.utils.MergeIterator$Reducer  org.apache.cassandra.utils.MergeIterator$TrivialOneToOne
InnerClasses:
  protected final Candidate = org.apache.cassandra.utils.MergeIterator$Candidate of org.apache.cassandra.utils.MergeIterator
  final ManyToOne = org.apache.cassandra.utils.MergeIterator$ManyToOne of org.apache.cassandra.utils.MergeIterator
  private OneToOne = org.apache.cassandra.utils.MergeIterator$OneToOne of org.apache.cassandra.utils.MergeIterator
  public abstract Reducer = org.apache.cassandra.utils.MergeIterator$Reducer of org.apache.cassandra.utils.MergeIterator
  private TrivialOneToOne = org.apache.cassandra.utils.MergeIterator$TrivialOneToOne of org.apache.cassandra.utils.MergeIterator