http://nexus.sonatype.org/oss-repository-hosting.html/jool-java-8: jOOλ is part of the jOOQ series (along with jOOQ, jOOX, jOOR, jOOU) providing some useful extensions to Java 8 lambdas.
  • Lukas Eder 
class org.jooq.lambda.Partition<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.jooq.lambda.Partition
  super_class: java.lang.Object
{
  final java.util.List<org.jooq.lambda.tuple.Tuple2<T, java.lang.Long>> list;
    descriptor: Ljava/util/List;
    flags: (0x0010) ACC_FINAL
    Signature: Ljava/util/List<Lorg/jooq/lambda/tuple/Tuple2<TT;Ljava/lang/Long;>;>;

  final java.util.Map<java.lang.Object, java.lang.Object> cache;
    descriptor: Ljava/util/Map;
    flags: (0x0010) ACC_FINAL
    Signature: Ljava/util/Map<Ljava/lang/Object;Ljava/lang/Object;>;

  void <init>(java.util.Collection<org.jooq.lambda.tuple.Tuple2<T, java.lang.Long>>);
    descriptor: (Ljava/util/Collection;)V
    flags: (0x0000) 
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.jooq.lambda.Partition this
        start local 1 // java.util.Collection list
         0: .line 32
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 33
            aload 0 /* this */
            aload 1 /* list */
            instanceof java.util.ArrayList
            ifeq 2
            aload 1 /* list */
            checkcast java.util.List
            goto 3
      StackMap locals: org.jooq.lambda.Partition java.util.Collection
      StackMap stack: org.jooq.lambda.Partition
         2: new java.util.ArrayList
            dup
            aload 1 /* list */
            invokespecial java.util.ArrayList.<init>:(Ljava/util/Collection;)V
      StackMap locals: org.jooq.lambda.Partition java.util.Collection
      StackMap stack: org.jooq.lambda.Partition java.util.List
         3: putfield org.jooq.lambda.Partition.list:Ljava/util/List;
         4: .line 34
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield org.jooq.lambda.Partition.cache:Ljava/util/Map;
         5: .line 35
            return
        end local 1 // java.util.Collection list
        end local 0 // org.jooq.lambda.Partition this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/jooq/lambda/Partition<TT;>;
            0    6     1  list  Ljava/util/Collection<Lorg/jooq/lambda/tuple/Tuple2<TT;Ljava/lang/Long;>;>;
    Signature: (Ljava/util/Collection<Lorg/jooq/lambda/tuple/Tuple2<TT;Ljava/lang/Long;>;>;)V
    MethodParameters:
      Name  Flags
      list  

  <R> R cacheIf(boolean, , java.util.function.Supplier<? extends R>);
    descriptor: (ZLjava/lang/Object;Ljava/util/function/Supplier;)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.jooq.lambda.Partition this
        start local 1 // boolean condition
        start local 2 // java.lang.Object key
        start local 3 // java.util.function.Supplier value
         0: .line 38
            aload 0 /* this */
            iload 1 /* condition */
            invokedynamic getAsBoolean(Z)Ljava/util/function/BooleanSupplier;
              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:
                  ()Z
                  org/jooq/lambda/Partition.lambda$0(Z)Z (6)
                  ()Z
            aload 2 /* key */
            invokedynamic get(Ljava/lang/Object;)Ljava/util/function/Supplier;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$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;
                  org/jooq/lambda/Partition.lambda$1(Ljava/lang/Object;)Ljava/lang/Object; (6)
                  ()Ljava/lang/Object;
            aload 3 /* value */
            invokevirtual org.jooq.lambda.Partition.cacheIf:(Ljava/util/function/BooleanSupplier;Ljava/util/function/Supplier;Ljava/util/function/Supplier;)Ljava/lang/Object;
            areturn
        end local 3 // java.util.function.Supplier value
        end local 2 // java.lang.Object key
        end local 1 // boolean condition
        end local 0 // org.jooq.lambda.Partition this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lorg/jooq/lambda/Partition<TT;>;
            0    1     1  condition  Z
            0    1     2        key  Ljava/lang/Object;
            0    1     3      value  Ljava/util/function/Supplier<+TR;>;
    Signature: <R:Ljava/lang/Object;>(ZLjava/lang/Object;Ljava/util/function/Supplier<+TR;>;)TR;
    MethodParameters:
           Name  Flags
      condition  
      key        
      value      

  <R> R cacheIf(boolean, java.util.function.Supplier<?>, java.util.function.Supplier<? extends R>);
    descriptor: (ZLjava/util/function/Supplier;Ljava/util/function/Supplier;)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=3, locals=4, args_size=4
        start local 0 // org.jooq.lambda.Partition this
        start local 1 // boolean condition
        start local 2 // java.util.function.Supplier key
        start local 3 // java.util.function.Supplier value
         0: .line 42
            iload 1 /* condition */
            ifeq 2
         1: .line 43
            aload 0 /* this */
            aload 2 /* key */
            aload 3 /* value */
            invokevirtual org.jooq.lambda.Partition.cache:(Ljava/util/function/Supplier;Ljava/util/function/Supplier;)Ljava/lang/Object;
            areturn
         2: .line 45
      StackMap locals:
      StackMap stack:
            aload 3 /* value */
            invokeinterface java.util.function.Supplier.get:()Ljava/lang/Object;
            areturn
        end local 3 // java.util.function.Supplier value
        end local 2 // java.util.function.Supplier key
        end local 1 // boolean condition
        end local 0 // org.jooq.lambda.Partition this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0       this  Lorg/jooq/lambda/Partition<TT;>;
            0    3     1  condition  Z
            0    3     2        key  Ljava/util/function/Supplier<*>;
            0    3     3      value  Ljava/util/function/Supplier<+TR;>;
    Signature: <R:Ljava/lang/Object;>(ZLjava/util/function/Supplier<*>;Ljava/util/function/Supplier<+TR;>;)TR;
    MethodParameters:
           Name  Flags
      condition  
      key        
      value      

  <R> R cacheIf(java.util.function.BooleanSupplier, , java.util.function.Supplier<? extends R>);
    descriptor: (Ljava/util/function/BooleanSupplier;Ljava/lang/Object;Ljava/util/function/Supplier;)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.jooq.lambda.Partition this
        start local 1 // java.util.function.BooleanSupplier condition
        start local 2 // java.lang.Object key
        start local 3 // java.util.function.Supplier value
         0: .line 49
            aload 0 /* this */
            aload 1 /* condition */
            aload 2 /* key */
            invokedynamic get(Ljava/lang/Object;)Ljava/util/function/Supplier;
              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;
                  org/jooq/lambda/Partition.lambda$2(Ljava/lang/Object;)Ljava/lang/Object; (6)
                  ()Ljava/lang/Object;
            aload 3 /* value */
            invokevirtual org.jooq.lambda.Partition.cacheIf:(Ljava/util/function/BooleanSupplier;Ljava/util/function/Supplier;Ljava/util/function/Supplier;)Ljava/lang/Object;
            areturn
        end local 3 // java.util.function.Supplier value
        end local 2 // java.lang.Object key
        end local 1 // java.util.function.BooleanSupplier condition
        end local 0 // org.jooq.lambda.Partition this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lorg/jooq/lambda/Partition<TT;>;
            0    1     1  condition  Ljava/util/function/BooleanSupplier;
            0    1     2        key  Ljava/lang/Object;
            0    1     3      value  Ljava/util/function/Supplier<+TR;>;
    Signature: <R:Ljava/lang/Object;>(Ljava/util/function/BooleanSupplier;Ljava/lang/Object;Ljava/util/function/Supplier<+TR;>;)TR;
    MethodParameters:
           Name  Flags
      condition  
      key        
      value      

  <R> R cacheIf(java.util.function.BooleanSupplier, java.util.function.Supplier<?>, java.util.function.Supplier<? extends R>);
    descriptor: (Ljava/util/function/BooleanSupplier;Ljava/util/function/Supplier;Ljava/util/function/Supplier;)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=3, locals=4, args_size=4
        start local 0 // org.jooq.lambda.Partition this
        start local 1 // java.util.function.BooleanSupplier condition
        start local 2 // java.util.function.Supplier key
        start local 3 // java.util.function.Supplier value
         0: .line 53
            aload 1 /* condition */
            invokeinterface java.util.function.BooleanSupplier.getAsBoolean:()Z
            ifeq 2
         1: .line 54
            aload 0 /* this */
            aload 2 /* key */
            aload 3 /* value */
            invokevirtual org.jooq.lambda.Partition.cache:(Ljava/util/function/Supplier;Ljava/util/function/Supplier;)Ljava/lang/Object;
            areturn
         2: .line 56
      StackMap locals:
      StackMap stack:
            aload 3 /* value */
            invokeinterface java.util.function.Supplier.get:()Ljava/lang/Object;
            areturn
        end local 3 // java.util.function.Supplier value
        end local 2 // java.util.function.Supplier key
        end local 1 // java.util.function.BooleanSupplier condition
        end local 0 // org.jooq.lambda.Partition this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0       this  Lorg/jooq/lambda/Partition<TT;>;
            0    3     1  condition  Ljava/util/function/BooleanSupplier;
            0    3     2        key  Ljava/util/function/Supplier<*>;
            0    3     3      value  Ljava/util/function/Supplier<+TR;>;
    Signature: <R:Ljava/lang/Object;>(Ljava/util/function/BooleanSupplier;Ljava/util/function/Supplier<*>;Ljava/util/function/Supplier<+TR;>;)TR;
    MethodParameters:
           Name  Flags
      condition  
      key        
      value      

  <R> R cache(, java.util.function.Supplier<? extends R>);
    descriptor: (Ljava/lang/Object;Ljava/util/function/Supplier;)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.jooq.lambda.Partition this
        start local 1 // java.lang.Object key
        start local 2 // java.util.function.Supplier value
         0: .line 61
            aload 0 /* this */
            aload 1 /* key */
            invokedynamic get(Ljava/lang/Object;)Ljava/util/function/Supplier;
              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;
                  org/jooq/lambda/Partition.lambda$3(Ljava/lang/Object;)Ljava/lang/Object; (6)
                  ()Ljava/lang/Object;
            aload 2 /* value */
            invokevirtual org.jooq.lambda.Partition.cache:(Ljava/util/function/Supplier;Ljava/util/function/Supplier;)Ljava/lang/Object;
            areturn
        end local 2 // java.util.function.Supplier value
        end local 1 // java.lang.Object key
        end local 0 // org.jooq.lambda.Partition this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/jooq/lambda/Partition<TT;>;
            0    1     1    key  Ljava/lang/Object;
            0    1     2  value  Ljava/util/function/Supplier<+TR;>;
    Signature: <R:Ljava/lang/Object;>(Ljava/lang/Object;Ljava/util/function/Supplier<+TR;>;)TR;
    MethodParameters:
       Name  Flags
      key    
      value  

  <R> R cache(java.util.function.Supplier<?>, java.util.function.Supplier<? extends R>);
    descriptor: (Ljava/util/function/Supplier;Ljava/util/function/Supplier;)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.jooq.lambda.Partition this
        start local 1 // java.util.function.Supplier key
        start local 2 // java.util.function.Supplier value
         0: .line 66
            aload 0 /* this */
            getfield org.jooq.lambda.Partition.cache:Ljava/util/Map;
            aload 1 /* key */
            invokeinterface java.util.function.Supplier.get:()Ljava/lang/Object;
            aload 2 /* value */
            invokedynamic apply(Ljava/util/function/Supplier;)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/jooq/lambda/Partition.lambda$4(Ljava/util/function/Supplier;Ljava/lang/Object;)Ljava/lang/Object; (6)
                  (Ljava/lang/Object;)Ljava/lang/Object;
            invokeinterface java.util.Map.computeIfAbsent:(Ljava/lang/Object;Ljava/util/function/Function;)Ljava/lang/Object;
            areturn
        end local 2 // java.util.function.Supplier value
        end local 1 // java.util.function.Supplier key
        end local 0 // org.jooq.lambda.Partition this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/jooq/lambda/Partition<TT;>;
            0    1     1    key  Ljava/util/function/Supplier<*>;
            0    1     2  value  Ljava/util/function/Supplier<+TR;>;
    Signature: <R:Ljava/lang/Object;>(Ljava/util/function/Supplier<*>;Ljava/util/function/Supplier<+TR;>;)TR;
    MethodParameters:
       Name  Flags
      key    
      value  

  private static boolean lambda$0(boolean);
    descriptor: (Z)Z
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 38
            iload 0
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static java.lang.Object lambda$1(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 38
            aload 0
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static java.lang.Object lambda$2(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 49
            aload 0
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static java.lang.Object lambda$3(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 61
            aload 0
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static java.lang.Object lambda$4(java.util.function.Supplier, java.lang.Object);
    descriptor: (Ljava/util/function/Supplier;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=1, locals=2, args_size=2
        start local 1 // java.lang.Object k
         0: .line 66
            aload 0
            invokeinterface java.util.function.Supplier.get:()Ljava/lang/Object;
            areturn
        end local 1 // java.lang.Object k
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     1     k  Ljava/lang/Object;
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "Partition.java"
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles