https://spring.io/projects/spring-boot: Spring Boot Actuator (Pivotal Software, Inc.) 
public class org.springframework.boot.actuate.health.SimpleStatusAggregator implements org.springframework.boot.actuate.health.StatusAggregator
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.springframework.boot.actuate.health.SimpleStatusAggregator
  super_class: java.lang.Object
{
  private static final java.util.List<java.lang.String> DEFAULT_ORDER;
    descriptor: Ljava/util/List;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/List<Ljava/lang/String;>;

  static final org.springframework.boot.actuate.health.StatusAggregator INSTANCE;
    descriptor: Lorg/springframework/boot/actuate/health/StatusAggregator;
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  private final java.util.List<java.lang.String> order;
    descriptor: Ljava/util/List;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/List<Ljava/lang/String;>;

  private final java.util.Comparator<org.springframework.boot.actuate.health.Status> comparator;
    descriptor: Ljava/util/Comparator;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Comparator<Lorg/springframework/boot/actuate/health/Status;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=1, args_size=0
         0: .line 44
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 0 /* defaultOrder */
        start local 0 // java.util.List defaultOrder
         1: .line 45
            aload 0 /* defaultOrder */
            getstatic org.springframework.boot.actuate.health.Status.DOWN:Lorg/springframework/boot/actuate/health/Status;
            invokevirtual org.springframework.boot.actuate.health.Status.getCode:()Ljava/lang/String;
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         2: .line 46
            aload 0 /* defaultOrder */
            getstatic org.springframework.boot.actuate.health.Status.OUT_OF_SERVICE:Lorg/springframework/boot/actuate/health/Status;
            invokevirtual org.springframework.boot.actuate.health.Status.getCode:()Ljava/lang/String;
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         3: .line 47
            aload 0 /* defaultOrder */
            getstatic org.springframework.boot.actuate.health.Status.UP:Lorg/springframework/boot/actuate/health/Status;
            invokevirtual org.springframework.boot.actuate.health.Status.getCode:()Ljava/lang/String;
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         4: .line 48
            aload 0 /* defaultOrder */
            getstatic org.springframework.boot.actuate.health.Status.UNKNOWN:Lorg/springframework/boot/actuate/health/Status;
            invokevirtual org.springframework.boot.actuate.health.Status.getCode:()Ljava/lang/String;
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         5: .line 49
            aload 0 /* defaultOrder */
            invokeinterface java.util.List.stream:()Ljava/util/stream/Stream;
            invokestatic org.springframework.boot.actuate.health.SimpleStatusAggregator.getUniformCodes:(Ljava/util/stream/Stream;)Ljava/util/List;
            invokestatic java.util.Collections.unmodifiableList:(Ljava/util/List;)Ljava/util/List;
            putstatic org.springframework.boot.actuate.health.SimpleStatusAggregator.DEFAULT_ORDER:Ljava/util/List;
         6: .line 50
            new org.springframework.boot.actuate.health.SimpleStatusAggregator
            dup
            invokespecial org.springframework.boot.actuate.health.SimpleStatusAggregator.<init>:()V
            putstatic org.springframework.boot.actuate.health.SimpleStatusAggregator.INSTANCE:Lorg/springframework/boot/actuate/health/StatusAggregator;
        end local 0 // java.util.List defaultOrder
         7: .line 51
            return
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            1    7     0  defaultOrder  Ljava/util/List<Ljava/lang/String;>;

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.springframework.boot.actuate.health.SimpleStatusAggregator this
         0: .line 57
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 55
            aload 0 /* this */
            new org.springframework.boot.actuate.health.SimpleStatusAggregator$StatusComparator
            dup
            aload 0 /* this */
            invokespecial org.springframework.boot.actuate.health.SimpleStatusAggregator$StatusComparator.<init>:(Lorg/springframework/boot/actuate/health/SimpleStatusAggregator;)V
            putfield org.springframework.boot.actuate.health.SimpleStatusAggregator.comparator:Ljava/util/Comparator;
         2: .line 58
            aload 0 /* this */
            getstatic org.springframework.boot.actuate.health.SimpleStatusAggregator.DEFAULT_ORDER:Ljava/util/List;
            putfield org.springframework.boot.actuate.health.SimpleStatusAggregator.order:Ljava/util/List;
         3: .line 59
            return
        end local 0 // org.springframework.boot.actuate.health.SimpleStatusAggregator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/springframework/boot/actuate/health/SimpleStatusAggregator;

  public void <init>(org.springframework.boot.actuate.health.Status[]);
    descriptor: ([Lorg/springframework/boot/actuate/health/Status;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.springframework.boot.actuate.health.SimpleStatusAggregator this
        start local 1 // org.springframework.boot.actuate.health.Status[] order
         0: .line 61
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 55
            aload 0 /* this */
            new org.springframework.boot.actuate.health.SimpleStatusAggregator$StatusComparator
            dup
            aload 0 /* this */
            invokespecial org.springframework.boot.actuate.health.SimpleStatusAggregator$StatusComparator.<init>:(Lorg/springframework/boot/actuate/health/SimpleStatusAggregator;)V
            putfield org.springframework.boot.actuate.health.SimpleStatusAggregator.comparator:Ljava/util/Comparator;
         2: .line 62
            aload 0 /* this */
            aload 1 /* order */
            invokestatic org.springframework.util.ObjectUtils.isEmpty:([Ljava/lang/Object;)Z
            ifeq 3
            getstatic org.springframework.boot.actuate.health.SimpleStatusAggregator.DEFAULT_ORDER:Ljava/util/List;
            goto 4
         3: .line 63
      StackMap locals: org.springframework.boot.actuate.health.SimpleStatusAggregator org.springframework.boot.actuate.health.Status[]
      StackMap stack: org.springframework.boot.actuate.health.SimpleStatusAggregator
            aload 1 /* order */
            invokestatic java.util.Arrays.stream:([Ljava/lang/Object;)Ljava/util/stream/Stream;
            invokedynamic apply()Ljava/util/function/Function;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  org/springframework/boot/actuate/health/Status.getCode()Ljava/lang/String; (5)
                  (Lorg/springframework/boot/actuate/health/Status;)Ljava/lang/String;
            invokeinterface java.util.stream.Stream.map:(Ljava/util/function/Function;)Ljava/util/stream/Stream;
            invokestatic org.springframework.boot.actuate.health.SimpleStatusAggregator.getUniformCodes:(Ljava/util/stream/Stream;)Ljava/util/List;
         4: .line 62
      StackMap locals: org.springframework.boot.actuate.health.SimpleStatusAggregator org.springframework.boot.actuate.health.Status[]
      StackMap stack: org.springframework.boot.actuate.health.SimpleStatusAggregator java.util.List
            putfield org.springframework.boot.actuate.health.SimpleStatusAggregator.order:Ljava/util/List;
         5: .line 64
            return
        end local 1 // org.springframework.boot.actuate.health.Status[] order
        end local 0 // org.springframework.boot.actuate.health.SimpleStatusAggregator this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Lorg/springframework/boot/actuate/health/SimpleStatusAggregator;
            0    6     1  order  [Lorg/springframework/boot/actuate/health/Status;
    MethodParameters:
       Name  Flags
      order  

  public void <init>(java.lang.String[]);
    descriptor: ([Ljava/lang/String;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.springframework.boot.actuate.health.SimpleStatusAggregator this
        start local 1 // java.lang.String[] order
         0: .line 66
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 55
            aload 0 /* this */
            new org.springframework.boot.actuate.health.SimpleStatusAggregator$StatusComparator
            dup
            aload 0 /* this */
            invokespecial org.springframework.boot.actuate.health.SimpleStatusAggregator$StatusComparator.<init>:(Lorg/springframework/boot/actuate/health/SimpleStatusAggregator;)V
            putfield org.springframework.boot.actuate.health.SimpleStatusAggregator.comparator:Ljava/util/Comparator;
         2: .line 67
            aload 0 /* this */
            aload 1 /* order */
            invokestatic org.springframework.util.ObjectUtils.isEmpty:([Ljava/lang/Object;)Z
            ifeq 3
            getstatic org.springframework.boot.actuate.health.SimpleStatusAggregator.DEFAULT_ORDER:Ljava/util/List;
            goto 4
      StackMap locals: org.springframework.boot.actuate.health.SimpleStatusAggregator java.lang.String[]
      StackMap stack: org.springframework.boot.actuate.health.SimpleStatusAggregator
         3: aload 1 /* order */
            invokestatic java.util.Arrays.stream:([Ljava/lang/Object;)Ljava/util/stream/Stream;
            invokestatic org.springframework.boot.actuate.health.SimpleStatusAggregator.getUniformCodes:(Ljava/util/stream/Stream;)Ljava/util/List;
      StackMap locals: org.springframework.boot.actuate.health.SimpleStatusAggregator java.lang.String[]
      StackMap stack: org.springframework.boot.actuate.health.SimpleStatusAggregator java.util.List
         4: putfield org.springframework.boot.actuate.health.SimpleStatusAggregator.order:Ljava/util/List;
         5: .line 68
            return
        end local 1 // java.lang.String[] order
        end local 0 // org.springframework.boot.actuate.health.SimpleStatusAggregator this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Lorg/springframework/boot/actuate/health/SimpleStatusAggregator;
            0    6     1  order  [Ljava/lang/String;
    MethodParameters:
       Name  Flags
      order  

  public void <init>(java.util.List<java.lang.String>);
    descriptor: (Ljava/util/List;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.springframework.boot.actuate.health.SimpleStatusAggregator this
        start local 1 // java.util.List order
         0: .line 70
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 55
            aload 0 /* this */
            new org.springframework.boot.actuate.health.SimpleStatusAggregator$StatusComparator
            dup
            aload 0 /* this */
            invokespecial org.springframework.boot.actuate.health.SimpleStatusAggregator$StatusComparator.<init>:(Lorg/springframework/boot/actuate/health/SimpleStatusAggregator;)V
            putfield org.springframework.boot.actuate.health.SimpleStatusAggregator.comparator:Ljava/util/Comparator;
         2: .line 71
            aload 0 /* this */
            aload 1 /* order */
            invokestatic org.springframework.util.CollectionUtils.isEmpty:(Ljava/util/Collection;)Z
            ifeq 3
            getstatic org.springframework.boot.actuate.health.SimpleStatusAggregator.DEFAULT_ORDER:Ljava/util/List;
            goto 4
      StackMap locals: org.springframework.boot.actuate.health.SimpleStatusAggregator java.util.List
      StackMap stack: org.springframework.boot.actuate.health.SimpleStatusAggregator
         3: aload 1 /* order */
            invokeinterface java.util.List.stream:()Ljava/util/stream/Stream;
            invokestatic org.springframework.boot.actuate.health.SimpleStatusAggregator.getUniformCodes:(Ljava/util/stream/Stream;)Ljava/util/List;
      StackMap locals: org.springframework.boot.actuate.health.SimpleStatusAggregator java.util.List
      StackMap stack: org.springframework.boot.actuate.health.SimpleStatusAggregator java.util.List
         4: putfield org.springframework.boot.actuate.health.SimpleStatusAggregator.order:Ljava/util/List;
         5: .line 72
            return
        end local 1 // java.util.List order
        end local 0 // org.springframework.boot.actuate.health.SimpleStatusAggregator this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Lorg/springframework/boot/actuate/health/SimpleStatusAggregator;
            0    6     1  order  Ljava/util/List<Ljava/lang/String;>;
    Signature: (Ljava/util/List<Ljava/lang/String;>;)V
    MethodParameters:
       Name  Flags
      order  

  public org.springframework.boot.actuate.health.Status getAggregateStatus(java.util.Set<org.springframework.boot.actuate.health.Status>);
    descriptor: (Ljava/util/Set;)Lorg/springframework/boot/actuate/health/Status;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.springframework.boot.actuate.health.SimpleStatusAggregator this
        start local 1 // java.util.Set statuses
         0: .line 76
            aload 1 /* statuses */
            invokeinterface java.util.Set.stream:()Ljava/util/stream/Stream;
            aload 0 /* this */
            invokedynamic test(Lorg/springframework/boot/actuate/health/SimpleStatusAggregator;)Ljava/util/function/Predicate;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Z
                  org/springframework/boot/actuate/health/SimpleStatusAggregator.contains(Lorg/springframework/boot/actuate/health/Status;)Z (7)
                  (Lorg/springframework/boot/actuate/health/Status;)Z
            invokeinterface java.util.stream.Stream.filter:(Ljava/util/function/Predicate;)Ljava/util/stream/Stream;
            aload 0 /* this */
            getfield org.springframework.boot.actuate.health.SimpleStatusAggregator.comparator:Ljava/util/Comparator;
            invokeinterface java.util.stream.Stream.min:(Ljava/util/Comparator;)Ljava/util/Optional;
            getstatic org.springframework.boot.actuate.health.Status.UNKNOWN:Lorg/springframework/boot/actuate/health/Status;
            invokevirtual java.util.Optional.orElse:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.springframework.boot.actuate.health.Status
            areturn
        end local 1 // java.util.Set statuses
        end local 0 // org.springframework.boot.actuate.health.SimpleStatusAggregator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0      this  Lorg/springframework/boot/actuate/health/SimpleStatusAggregator;
            0    1     1  statuses  Ljava/util/Set<Lorg/springframework/boot/actuate/health/Status;>;
    Signature: (Ljava/util/Set<Lorg/springframework/boot/actuate/health/Status;>;)Lorg/springframework/boot/actuate/health/Status;
    MethodParameters:
          Name  Flags
      statuses  

  private boolean contains(org.springframework.boot.actuate.health.Status);
    descriptor: (Lorg/springframework/boot/actuate/health/Status;)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.springframework.boot.actuate.health.SimpleStatusAggregator this
        start local 1 // org.springframework.boot.actuate.health.Status status
         0: .line 80
            aload 0 /* this */
            getfield org.springframework.boot.actuate.health.SimpleStatusAggregator.order:Ljava/util/List;
            aload 1 /* status */
            invokevirtual org.springframework.boot.actuate.health.Status.getCode:()Ljava/lang/String;
            invokestatic org.springframework.boot.actuate.health.SimpleStatusAggregator.getUniformCode:(Ljava/lang/String;)Ljava/lang/String;
            invokeinterface java.util.List.contains:(Ljava/lang/Object;)Z
            ireturn
        end local 1 // org.springframework.boot.actuate.health.Status status
        end local 0 // org.springframework.boot.actuate.health.SimpleStatusAggregator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lorg/springframework/boot/actuate/health/SimpleStatusAggregator;
            0    1     1  status  Lorg/springframework/boot/actuate/health/Status;
    MethodParameters:
        Name  Flags
      status  

  private static java.util.List<java.lang.String> getUniformCodes(java.util.stream.Stream<java.lang.String>);
    descriptor: (Ljava/util/stream/Stream;)Ljava/util/List;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.util.stream.Stream codes
         0: .line 84
            aload 0 /* codes */
            invokedynamic apply()Ljava/util/function/Function;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  org/springframework/boot/actuate/health/SimpleStatusAggregator.getUniformCode(Ljava/lang/String;)Ljava/lang/String; (6)
                  (Ljava/lang/String;)Ljava/lang/String;
            invokeinterface java.util.stream.Stream.map:(Ljava/util/function/Function;)Ljava/util/stream/Stream;
            invokestatic java.util.stream.Collectors.toList:()Ljava/util/stream/Collector;
            invokeinterface java.util.stream.Stream.collect:(Ljava/util/stream/Collector;)Ljava/lang/Object;
            checkcast java.util.List
            areturn
        end local 0 // java.util.stream.Stream codes
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0  codes  Ljava/util/stream/Stream<Ljava/lang/String;>;
    Signature: (Ljava/util/stream/Stream<Ljava/lang/String;>;)Ljava/util/List<Ljava/lang/String;>;
    MethodParameters:
       Name  Flags
      codes  

  private static java.lang.String getUniformCode(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=6, args_size=1
        start local 0 // java.lang.String code
         0: .line 88
            aload 0 /* code */
            ifnonnull 2
         1: .line 89
            aconst_null
            areturn
         2: .line 91
      StackMap locals:
      StackMap stack:
            new java.lang.StringBuilder
            dup
            invokespecial java.lang.StringBuilder.<init>:()V
            astore 1 /* builder */
        start local 1 // java.lang.StringBuilder builder
         3: .line 92
            aload 0 /* code */
            invokevirtual java.lang.String.toCharArray:()[C
            dup
            astore 5
            arraylength
            istore 4
            iconst_0
            istore 3
            goto 8
      StackMap locals: java.lang.String java.lang.StringBuilder top int int char[]
      StackMap stack:
         4: aload 5
            iload 3
            caload
            istore 2 /* ch */
        start local 2 // char ch
         5: .line 93
            iload 2 /* ch */
            invokestatic java.lang.Character.isAlphabetic:(I)Z
            ifne 6
            iload 2 /* ch */
            invokestatic java.lang.Character.isDigit:(C)Z
            ifeq 7
         6: .line 94
      StackMap locals: java.lang.String java.lang.StringBuilder int int int char[]
      StackMap stack:
            aload 1 /* builder */
            iload 2 /* ch */
            invokestatic java.lang.Character.toLowerCase:(C)C
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        end local 2 // char ch
         7: .line 92
      StackMap locals: java.lang.String java.lang.StringBuilder top int int char[]
      StackMap stack:
            iinc 3 1
      StackMap locals:
      StackMap stack:
         8: iload 3
            iload 4
            if_icmplt 4
         9: .line 97
            aload 1 /* builder */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.lang.StringBuilder builder
        end local 0 // java.lang.String code
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   10     0     code  Ljava/lang/String;
            3   10     1  builder  Ljava/lang/StringBuilder;
            5    7     2       ch  C
    MethodParameters:
      Name  Flags
      code  
}
SourceFile: "SimpleStatusAggregator.java"
NestMembers:
  org.springframework.boot.actuate.health.SimpleStatusAggregator$StatusComparator
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
  private StatusComparator = org.springframework.boot.actuate.health.SimpleStatusAggregator$StatusComparator of org.springframework.boot.actuate.health.SimpleStatusAggregator