https://lucene.apache.org/lucene-parent/lucene-core: Apache Lucene Java Core (The Apache Software Foundation) 
public class org.apache.lucene.index.OneMergeWrappingMergePolicy extends org.apache.lucene.index.FilterMergePolicy
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.lucene.index.OneMergeWrappingMergePolicy
  super_class: org.apache.lucene.index.FilterMergePolicy
{
  private final java.util.function.UnaryOperator<org.apache.lucene.index.MergePolicy$OneMerge> wrapOneMerge;
    descriptor: Ljava/util/function/UnaryOperator;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/function/UnaryOperator<Lorg/apache/lucene/index/MergePolicy$OneMerge;>;

  public void <init>(org.apache.lucene.index.MergePolicy, java.util.function.UnaryOperator<org.apache.lucene.index.MergePolicy$OneMerge>);
    descriptor: (Lorg/apache/lucene/index/MergePolicy;Ljava/util/function/UnaryOperator;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.apache.lucene.index.OneMergeWrappingMergePolicy this
        start local 1 // org.apache.lucene.index.MergePolicy in
        start local 2 // java.util.function.UnaryOperator wrapOneMerge
         0: .line 40
            aload 0 /* this */
            aload 1 /* in */
            invokespecial org.apache.lucene.index.FilterMergePolicy.<init>:(Lorg/apache/lucene/index/MergePolicy;)V
         1: .line 41
            aload 0 /* this */
            aload 2 /* wrapOneMerge */
            putfield org.apache.lucene.index.OneMergeWrappingMergePolicy.wrapOneMerge:Ljava/util/function/UnaryOperator;
         2: .line 42
            return
        end local 2 // java.util.function.UnaryOperator wrapOneMerge
        end local 1 // org.apache.lucene.index.MergePolicy in
        end local 0 // org.apache.lucene.index.OneMergeWrappingMergePolicy this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    3     0          this  Lorg/apache/lucene/index/OneMergeWrappingMergePolicy;
            0    3     1            in  Lorg/apache/lucene/index/MergePolicy;
            0    3     2  wrapOneMerge  Ljava/util/function/UnaryOperator<Lorg/apache/lucene/index/MergePolicy$OneMerge;>;
    Signature: (Lorg/apache/lucene/index/MergePolicy;Ljava/util/function/UnaryOperator<Lorg/apache/lucene/index/MergePolicy$OneMerge;>;)V
    MethodParameters:
              Name  Flags
      in            
      wrapOneMerge  

  public org.apache.lucene.index.MergePolicy$MergeSpecification findMerges(org.apache.lucene.index.MergeTrigger, org.apache.lucene.index.SegmentInfos, org.apache.lucene.index.MergePolicy$MergeContext);
    descriptor: (Lorg/apache/lucene/index/MergeTrigger;Lorg/apache/lucene/index/SegmentInfos;Lorg/apache/lucene/index/MergePolicy$MergeContext;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // org.apache.lucene.index.OneMergeWrappingMergePolicy this
        start local 1 // org.apache.lucene.index.MergeTrigger mergeTrigger
        start local 2 // org.apache.lucene.index.SegmentInfos segmentInfos
        start local 3 // org.apache.lucene.index.MergePolicy$MergeContext mergeContext
         0: .line 47
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.index.OneMergeWrappingMergePolicy.in:Lorg/apache/lucene/index/MergePolicy;
            aload 1 /* mergeTrigger */
            aload 2 /* segmentInfos */
            aload 3 /* mergeContext */
            invokevirtual org.apache.lucene.index.MergePolicy.findMerges:(Lorg/apache/lucene/index/MergeTrigger;Lorg/apache/lucene/index/SegmentInfos;Lorg/apache/lucene/index/MergePolicy$MergeContext;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
            invokevirtual org.apache.lucene.index.OneMergeWrappingMergePolicy.wrapSpec:(Lorg/apache/lucene/index/MergePolicy$MergeSpecification;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
            areturn
        end local 3 // org.apache.lucene.index.MergePolicy$MergeContext mergeContext
        end local 2 // org.apache.lucene.index.SegmentInfos segmentInfos
        end local 1 // org.apache.lucene.index.MergeTrigger mergeTrigger
        end local 0 // org.apache.lucene.index.OneMergeWrappingMergePolicy this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0          this  Lorg/apache/lucene/index/OneMergeWrappingMergePolicy;
            0    1     1  mergeTrigger  Lorg/apache/lucene/index/MergeTrigger;
            0    1     2  segmentInfos  Lorg/apache/lucene/index/SegmentInfos;
            0    1     3  mergeContext  Lorg/apache/lucene/index/MergePolicy$MergeContext;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
              Name  Flags
      mergeTrigger  
      segmentInfos  
      mergeContext  

  public org.apache.lucene.index.MergePolicy$MergeSpecification findForcedMerges(org.apache.lucene.index.SegmentInfos, int, java.util.Map<org.apache.lucene.index.SegmentCommitInfo, java.lang.Boolean>, org.apache.lucene.index.MergePolicy$MergeContext);
    descriptor: (Lorg/apache/lucene/index/SegmentInfos;ILjava/util/Map;Lorg/apache/lucene/index/MergePolicy$MergeContext;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=5, args_size=5
        start local 0 // org.apache.lucene.index.OneMergeWrappingMergePolicy this
        start local 1 // org.apache.lucene.index.SegmentInfos segmentInfos
        start local 2 // int maxSegmentCount
        start local 3 // java.util.Map segmentsToMerge
        start local 4 // org.apache.lucene.index.MergePolicy$MergeContext mergeContext
         0: .line 53
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.index.OneMergeWrappingMergePolicy.in:Lorg/apache/lucene/index/MergePolicy;
            aload 1 /* segmentInfos */
            iload 2 /* maxSegmentCount */
            aload 3 /* segmentsToMerge */
            aload 4 /* mergeContext */
            invokevirtual org.apache.lucene.index.MergePolicy.findForcedMerges:(Lorg/apache/lucene/index/SegmentInfos;ILjava/util/Map;Lorg/apache/lucene/index/MergePolicy$MergeContext;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
            invokevirtual org.apache.lucene.index.OneMergeWrappingMergePolicy.wrapSpec:(Lorg/apache/lucene/index/MergePolicy$MergeSpecification;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
            areturn
        end local 4 // org.apache.lucene.index.MergePolicy$MergeContext mergeContext
        end local 3 // java.util.Map segmentsToMerge
        end local 2 // int maxSegmentCount
        end local 1 // org.apache.lucene.index.SegmentInfos segmentInfos
        end local 0 // org.apache.lucene.index.OneMergeWrappingMergePolicy this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    1     0             this  Lorg/apache/lucene/index/OneMergeWrappingMergePolicy;
            0    1     1     segmentInfos  Lorg/apache/lucene/index/SegmentInfos;
            0    1     2  maxSegmentCount  I
            0    1     3  segmentsToMerge  Ljava/util/Map<Lorg/apache/lucene/index/SegmentCommitInfo;Ljava/lang/Boolean;>;
            0    1     4     mergeContext  Lorg/apache/lucene/index/MergePolicy$MergeContext;
    Exceptions:
      throws java.io.IOException
    Signature: (Lorg/apache/lucene/index/SegmentInfos;ILjava/util/Map<Lorg/apache/lucene/index/SegmentCommitInfo;Ljava/lang/Boolean;>;Lorg/apache/lucene/index/MergePolicy$MergeContext;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
    MethodParameters:
                 Name  Flags
      segmentInfos     
      maxSegmentCount  
      segmentsToMerge  
      mergeContext     

  public org.apache.lucene.index.MergePolicy$MergeSpecification findForcedDeletesMerges(org.apache.lucene.index.SegmentInfos, org.apache.lucene.index.MergePolicy$MergeContext);
    descriptor: (Lorg/apache/lucene/index/SegmentInfos;Lorg/apache/lucene/index/MergePolicy$MergeContext;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.apache.lucene.index.OneMergeWrappingMergePolicy this
        start local 1 // org.apache.lucene.index.SegmentInfos segmentInfos
        start local 2 // org.apache.lucene.index.MergePolicy$MergeContext mergeContext
         0: .line 59
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.index.OneMergeWrappingMergePolicy.in:Lorg/apache/lucene/index/MergePolicy;
            aload 1 /* segmentInfos */
            aload 2 /* mergeContext */
            invokevirtual org.apache.lucene.index.MergePolicy.findForcedDeletesMerges:(Lorg/apache/lucene/index/SegmentInfos;Lorg/apache/lucene/index/MergePolicy$MergeContext;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
            invokevirtual org.apache.lucene.index.OneMergeWrappingMergePolicy.wrapSpec:(Lorg/apache/lucene/index/MergePolicy$MergeSpecification;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
            areturn
        end local 2 // org.apache.lucene.index.MergePolicy$MergeContext mergeContext
        end local 1 // org.apache.lucene.index.SegmentInfos segmentInfos
        end local 0 // org.apache.lucene.index.OneMergeWrappingMergePolicy this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0          this  Lorg/apache/lucene/index/OneMergeWrappingMergePolicy;
            0    1     1  segmentInfos  Lorg/apache/lucene/index/SegmentInfos;
            0    1     2  mergeContext  Lorg/apache/lucene/index/MergePolicy$MergeContext;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
              Name  Flags
      segmentInfos  
      mergeContext  

  public org.apache.lucene.index.MergePolicy$MergeSpecification findFullFlushMerges(org.apache.lucene.index.MergeTrigger, org.apache.lucene.index.SegmentInfos, org.apache.lucene.index.MergePolicy$MergeContext);
    descriptor: (Lorg/apache/lucene/index/MergeTrigger;Lorg/apache/lucene/index/SegmentInfos;Lorg/apache/lucene/index/MergePolicy$MergeContext;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // org.apache.lucene.index.OneMergeWrappingMergePolicy this
        start local 1 // org.apache.lucene.index.MergeTrigger mergeTrigger
        start local 2 // org.apache.lucene.index.SegmentInfos segmentInfos
        start local 3 // org.apache.lucene.index.MergePolicy$MergeContext mergeContext
         0: .line 64
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.index.OneMergeWrappingMergePolicy.in:Lorg/apache/lucene/index/MergePolicy;
            aload 1 /* mergeTrigger */
            aload 2 /* segmentInfos */
            aload 3 /* mergeContext */
            invokevirtual org.apache.lucene.index.MergePolicy.findFullFlushMerges:(Lorg/apache/lucene/index/MergeTrigger;Lorg/apache/lucene/index/SegmentInfos;Lorg/apache/lucene/index/MergePolicy$MergeContext;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
            invokevirtual org.apache.lucene.index.OneMergeWrappingMergePolicy.wrapSpec:(Lorg/apache/lucene/index/MergePolicy$MergeSpecification;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
            areturn
        end local 3 // org.apache.lucene.index.MergePolicy$MergeContext mergeContext
        end local 2 // org.apache.lucene.index.SegmentInfos segmentInfos
        end local 1 // org.apache.lucene.index.MergeTrigger mergeTrigger
        end local 0 // org.apache.lucene.index.OneMergeWrappingMergePolicy this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0          this  Lorg/apache/lucene/index/OneMergeWrappingMergePolicy;
            0    1     1  mergeTrigger  Lorg/apache/lucene/index/MergeTrigger;
            0    1     2  segmentInfos  Lorg/apache/lucene/index/SegmentInfos;
            0    1     3  mergeContext  Lorg/apache/lucene/index/MergePolicy$MergeContext;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
              Name  Flags
      mergeTrigger  
      segmentInfos  
      mergeContext  

  private org.apache.lucene.index.MergePolicy$MergeSpecification wrapSpec(org.apache.lucene.index.MergePolicy$MergeSpecification);
    descriptor: (Lorg/apache/lucene/index/MergePolicy$MergeSpecification;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // org.apache.lucene.index.OneMergeWrappingMergePolicy this
        start local 1 // org.apache.lucene.index.MergePolicy$MergeSpecification spec
         0: .line 68
            aload 1 /* spec */
            ifnonnull 1
            aconst_null
            goto 2
      StackMap locals:
      StackMap stack:
         1: new org.apache.lucene.index.MergePolicy$MergeSpecification
            dup
            invokespecial org.apache.lucene.index.MergePolicy$MergeSpecification.<init>:()V
      StackMap locals:
      StackMap stack: org.apache.lucene.index.MergePolicy$MergeSpecification
         2: astore 2 /* wrapped */
        start local 2 // org.apache.lucene.index.MergePolicy$MergeSpecification wrapped
         3: .line 69
            aload 2 /* wrapped */
            ifnull 8
         4: .line 70
            aload 1 /* spec */
            getfield org.apache.lucene.index.MergePolicy$MergeSpecification.merges:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 4
            goto 7
      StackMap locals: org.apache.lucene.index.OneMergeWrappingMergePolicy org.apache.lucene.index.MergePolicy$MergeSpecification org.apache.lucene.index.MergePolicy$MergeSpecification top java.util.Iterator
      StackMap stack:
         5: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.lucene.index.MergePolicy$OneMerge
            astore 3 /* merge */
        start local 3 // org.apache.lucene.index.MergePolicy$OneMerge merge
         6: .line 71
            aload 2 /* wrapped */
            aload 0 /* this */
            getfield org.apache.lucene.index.OneMergeWrappingMergePolicy.wrapOneMerge:Ljava/util/function/UnaryOperator;
            aload 3 /* merge */
            invokeinterface java.util.function.UnaryOperator.apply:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.apache.lucene.index.MergePolicy$OneMerge
            invokevirtual org.apache.lucene.index.MergePolicy$MergeSpecification.add:(Lorg/apache/lucene/index/MergePolicy$OneMerge;)V
        end local 3 // org.apache.lucene.index.MergePolicy$OneMerge merge
         7: .line 70
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 5
         8: .line 74
      StackMap locals: org.apache.lucene.index.OneMergeWrappingMergePolicy org.apache.lucene.index.MergePolicy$MergeSpecification org.apache.lucene.index.MergePolicy$MergeSpecification
      StackMap stack:
            aload 2 /* wrapped */
            areturn
        end local 2 // org.apache.lucene.index.MergePolicy$MergeSpecification wrapped
        end local 1 // org.apache.lucene.index.MergePolicy$MergeSpecification spec
        end local 0 // org.apache.lucene.index.OneMergeWrappingMergePolicy this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    9     0     this  Lorg/apache/lucene/index/OneMergeWrappingMergePolicy;
            0    9     1     spec  Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
            3    9     2  wrapped  Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
            6    7     3    merge  Lorg/apache/lucene/index/MergePolicy$OneMerge;
    MethodParameters:
      Name  Flags
      spec  
}
SourceFile: "OneMergeWrappingMergePolicy.java"
InnerClasses:
  public abstract MergeContext = org.apache.lucene.index.MergePolicy$MergeContext of org.apache.lucene.index.MergePolicy
  public MergeSpecification = org.apache.lucene.index.MergePolicy$MergeSpecification of org.apache.lucene.index.MergePolicy
  public OneMerge = org.apache.lucene.index.MergePolicy$OneMerge of org.apache.lucene.index.MergePolicy