public class org.apache.lucene.index.UpgradeIndexMergePolicy 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.UpgradeIndexMergePolicy
  super_class: org.apache.lucene.index.FilterMergePolicy
{
  public void <init>(org.apache.lucene.index.MergePolicy);
    descriptor: (Lorg/apache/lucene/index/MergePolicy;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.lucene.index.UpgradeIndexMergePolicy this
        start local 1 // org.apache.lucene.index.MergePolicy in
         0: .line 56
            aload 0 /* this */
            aload 1 /* in */
            invokespecial org.apache.lucene.index.FilterMergePolicy.<init>:(Lorg/apache/lucene/index/MergePolicy;)V
         1: .line 57
            return
        end local 1 // org.apache.lucene.index.MergePolicy in
        end local 0 // org.apache.lucene.index.UpgradeIndexMergePolicy this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/lucene/index/UpgradeIndexMergePolicy;
            0    2     1    in  Lorg/apache/lucene/index/MergePolicy;
    MethodParameters:
      Name  Flags
      in    

  protected boolean shouldUpgradeSegment(org.apache.lucene.index.SegmentCommitInfo);
    descriptor: (Lorg/apache/lucene/index/SegmentCommitInfo;)Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.lucene.index.UpgradeIndexMergePolicy this
        start local 1 // org.apache.lucene.index.SegmentCommitInfo si
         0: .line 65
            getstatic org.apache.lucene.util.Version.LATEST:Lorg/apache/lucene/util/Version;
            aload 1 /* si */
            getfield org.apache.lucene.index.SegmentCommitInfo.info:Lorg/apache/lucene/index/SegmentInfo;
            invokevirtual org.apache.lucene.index.SegmentInfo.getVersion:()Lorg/apache/lucene/util/Version;
            invokevirtual org.apache.lucene.util.Version.equals:(Ljava/lang/Object;)Z
            ifeq 1
            iconst_0
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_1
      StackMap locals:
      StackMap stack: int
         2: ireturn
        end local 1 // org.apache.lucene.index.SegmentCommitInfo si
        end local 0 // org.apache.lucene.index.UpgradeIndexMergePolicy this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/lucene/index/UpgradeIndexMergePolicy;
            0    3     1    si  Lorg/apache/lucene/index/SegmentCommitInfo;
    MethodParameters:
      Name  Flags
      si    

  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=4, locals=4, args_size=4
        start local 0 // org.apache.lucene.index.UpgradeIndexMergePolicy 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$MergeContext mergeContext
         0: .line 70
            aload 0 /* this */
            getfield org.apache.lucene.index.UpgradeIndexMergePolicy.in:Lorg/apache/lucene/index/MergePolicy;
            aconst_null
            aload 2 /* segmentInfos */
            aload 3 /* mergeContext */
            invokevirtual org.apache.lucene.index.MergePolicy.findMerges:(Lorg/apache/lucene/index/MergeTrigger;Lorg/apache/lucene/index/SegmentInfos;Lorg/apache/lucene/index/MergePolicy$MergeContext;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
            areturn
        end local 3 // org.apache.lucene.index.MergePolicy$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.UpgradeIndexMergePolicy this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0          this  Lorg/apache/lucene/index/UpgradeIndexMergePolicy;
            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=5, locals=10, args_size=5
        start local 0 // org.apache.lucene.index.UpgradeIndexMergePolicy 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$MergeContext mergeContext
         0: .line 76
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 5 /* oldSegments */
        start local 5 // java.util.Map oldSegments
         1: .line 77
            aload 1 /* segmentInfos */
            invokevirtual org.apache.lucene.index.SegmentInfos.iterator:()Ljava/util/Iterator;
            astore 7
            goto 6
      StackMap locals: org.apache.lucene.index.UpgradeIndexMergePolicy org.apache.lucene.index.SegmentInfos int java.util.Map org.apache.lucene.index.MergePolicy$MergeContext java.util.Map top java.util.Iterator
      StackMap stack:
         2: aload 7
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.lucene.index.SegmentCommitInfo
            astore 6 /* si */
        start local 6 // org.apache.lucene.index.SegmentCommitInfo si
         3: .line 78
            aload 3 /* segmentsToMerge */
            aload 6 /* si */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Boolean
            astore 8 /* v */
        start local 8 // java.lang.Boolean v
         4: .line 79
            aload 8 /* v */
            ifnull 6
            aload 0 /* this */
            aload 6 /* si */
            invokevirtual org.apache.lucene.index.UpgradeIndexMergePolicy.shouldUpgradeSegment:(Lorg/apache/lucene/index/SegmentCommitInfo;)Z
            ifeq 6
         5: .line 80
            aload 5 /* oldSegments */
            aload 6 /* si */
            aload 8 /* v */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 8 // java.lang.Boolean v
        end local 6 // org.apache.lucene.index.SegmentCommitInfo si
         6: .line 77
      StackMap locals:
      StackMap stack:
            aload 7
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         7: .line 84
            aload 0 /* this */
            aload 4 /* mergeContext */
            invokevirtual org.apache.lucene.index.UpgradeIndexMergePolicy.verbose:(Lorg/apache/lucene/index/MergePolicy$MergeContext;)Z
            ifeq 9
         8: .line 85
            aload 0 /* this */
            new java.lang.StringBuilder
            dup
            ldc "findForcedMerges: segmentsToUpgrade="
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 5 /* oldSegments */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 4 /* mergeContext */
            invokevirtual org.apache.lucene.index.UpgradeIndexMergePolicy.message:(Ljava/lang/String;Lorg/apache/lucene/index/MergePolicy$MergeContext;)V
         9: .line 88
      StackMap locals: org.apache.lucene.index.UpgradeIndexMergePolicy org.apache.lucene.index.SegmentInfos int java.util.Map org.apache.lucene.index.MergePolicy$MergeContext java.util.Map
      StackMap stack:
            aload 5 /* oldSegments */
            invokeinterface java.util.Map.isEmpty:()Z
            ifeq 11
        10: .line 89
            aconst_null
            areturn
        11: .line 91
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.UpgradeIndexMergePolicy.in:Lorg/apache/lucene/index/MergePolicy;
            aload 1 /* segmentInfos */
            iload 2 /* maxSegmentCount */
            aload 5 /* oldSegments */
            aload 4 /* mergeContext */
            invokevirtual org.apache.lucene.index.MergePolicy.findForcedMerges:(Lorg/apache/lucene/index/SegmentInfos;ILjava/util/Map;Lorg/apache/lucene/index/MergePolicy$MergeContext;)Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
            astore 6 /* spec */
        start local 6 // org.apache.lucene.index.MergePolicy$MergeSpecification spec
        12: .line 93
            aload 6 /* spec */
            ifnull 17
        13: .line 97
            aload 6 /* spec */
            getfield org.apache.lucene.index.MergePolicy$MergeSpecification.merges:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 8
            goto 16
      StackMap locals: org.apache.lucene.index.UpgradeIndexMergePolicy org.apache.lucene.index.SegmentInfos int java.util.Map org.apache.lucene.index.MergePolicy$MergeContext java.util.Map org.apache.lucene.index.MergePolicy$MergeSpecification top java.util.Iterator
      StackMap stack:
        14: aload 8
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.lucene.index.MergePolicy$OneMerge
            astore 7 /* om */
        start local 7 // org.apache.lucene.index.MergePolicy$OneMerge om
        15: .line 98
            aload 5 /* oldSegments */
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            aload 7 /* om */
            getfield org.apache.lucene.index.MergePolicy$OneMerge.segments:Ljava/util/List;
            invokeinterface java.util.Set.removeAll:(Ljava/util/Collection;)Z
            pop
        end local 7 // org.apache.lucene.index.MergePolicy$OneMerge om
        16: .line 97
      StackMap locals:
      StackMap stack:
            aload 8
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 14
        17: .line 102
      StackMap locals: org.apache.lucene.index.UpgradeIndexMergePolicy org.apache.lucene.index.SegmentInfos int java.util.Map org.apache.lucene.index.MergePolicy$MergeContext java.util.Map org.apache.lucene.index.MergePolicy$MergeSpecification
      StackMap stack:
            aload 5 /* oldSegments */
            invokeinterface java.util.Map.isEmpty:()Z
            ifne 31
        18: .line 103
            aload 0 /* this */
            aload 4 /* mergeContext */
            invokevirtual org.apache.lucene.index.UpgradeIndexMergePolicy.verbose:(Lorg/apache/lucene/index/MergePolicy$MergeContext;)Z
            ifeq 22
        19: .line 104
            aload 0 /* this */
            new java.lang.StringBuilder
            dup
            ldc "findForcedMerges: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield org.apache.lucene.index.UpgradeIndexMergePolicy.in:Lorg/apache/lucene/index/MergePolicy;
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getSimpleName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        20: .line 105
            ldc " does not want to merge all old segments, merge remaining ones into new segment: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 5 /* oldSegments */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 4 /* mergeContext */
        21: .line 104
            invokevirtual org.apache.lucene.index.UpgradeIndexMergePolicy.message:(Ljava/lang/String;Lorg/apache/lucene/index/MergePolicy$MergeContext;)V
        22: .line 107
      StackMap locals:
      StackMap stack:
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 7 /* newInfos */
        start local 7 // java.util.List newInfos
        23: .line 108
            aload 1 /* segmentInfos */
            invokevirtual org.apache.lucene.index.SegmentInfos.iterator:()Ljava/util/Iterator;
            astore 9
            goto 27
      StackMap locals: org.apache.lucene.index.UpgradeIndexMergePolicy org.apache.lucene.index.SegmentInfos int java.util.Map org.apache.lucene.index.MergePolicy$MergeContext java.util.Map org.apache.lucene.index.MergePolicy$MergeSpecification java.util.List top java.util.Iterator
      StackMap stack:
        24: aload 9
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.lucene.index.SegmentCommitInfo
            astore 8 /* si */
        start local 8 // org.apache.lucene.index.SegmentCommitInfo si
        25: .line 109
            aload 5 /* oldSegments */
            aload 8 /* si */
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifeq 27
        26: .line 110
            aload 7 /* newInfos */
            aload 8 /* si */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 8 // org.apache.lucene.index.SegmentCommitInfo si
        27: .line 108
      StackMap locals:
      StackMap stack:
            aload 9
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 24
        28: .line 114
            aload 6 /* spec */
            ifnonnull 30
        29: .line 115
            new org.apache.lucene.index.MergePolicy$MergeSpecification
            dup
            invokespecial org.apache.lucene.index.MergePolicy$MergeSpecification.<init>:()V
            astore 6 /* spec */
        30: .line 117
      StackMap locals: org.apache.lucene.index.UpgradeIndexMergePolicy org.apache.lucene.index.SegmentInfos int java.util.Map org.apache.lucene.index.MergePolicy$MergeContext java.util.Map org.apache.lucene.index.MergePolicy$MergeSpecification java.util.List
      StackMap stack:
            aload 6 /* spec */
            new org.apache.lucene.index.MergePolicy$OneMerge
            dup
            aload 7 /* newInfos */
            invokespecial org.apache.lucene.index.MergePolicy$OneMerge.<init>:(Ljava/util/List;)V
            invokevirtual org.apache.lucene.index.MergePolicy$MergeSpecification.add:(Lorg/apache/lucene/index/MergePolicy$OneMerge;)V
        end local 7 // java.util.List newInfos
        31: .line 120
      StackMap locals:
      StackMap stack:
            aload 6 /* spec */
            areturn
        end local 6 // org.apache.lucene.index.MergePolicy$MergeSpecification spec
        end local 5 // java.util.Map oldSegments
        end local 4 // org.apache.lucene.index.MergePolicy$MergeContext mergeContext
        end local 3 // java.util.Map segmentsToMerge
        end local 2 // int maxSegmentCount
        end local 1 // org.apache.lucene.index.SegmentInfos segmentInfos
        end local 0 // org.apache.lucene.index.UpgradeIndexMergePolicy this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   32     0             this  Lorg/apache/lucene/index/UpgradeIndexMergePolicy;
            0   32     1     segmentInfos  Lorg/apache/lucene/index/SegmentInfos;
            0   32     2  maxSegmentCount  I
            0   32     3  segmentsToMerge  Ljava/util/Map<Lorg/apache/lucene/index/SegmentCommitInfo;Ljava/lang/Boolean;>;
            0   32     4     mergeContext  Lorg/apache/lucene/index/MergePolicy$MergeContext;
            1   32     5      oldSegments  Ljava/util/Map<Lorg/apache/lucene/index/SegmentCommitInfo;Ljava/lang/Boolean;>;
            3    6     6               si  Lorg/apache/lucene/index/SegmentCommitInfo;
            4    6     8                v  Ljava/lang/Boolean;
           12   32     6             spec  Lorg/apache/lucene/index/MergePolicy$MergeSpecification;
           15   16     7               om  Lorg/apache/lucene/index/MergePolicy$OneMerge;
           23   31     7         newInfos  Ljava/util/List<Lorg/apache/lucene/index/SegmentCommitInfo;>;
           25   27     8               si  Lorg/apache/lucene/index/SegmentCommitInfo;
    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     
}
SourceFile: "UpgradeIndexMergePolicy.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