com.google.guava/guava/25.1-jre : com/google/common/base/Optional.class

Optional
https://github.com/google/guava/guava: Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more.
The Apache Software License, Version 2.0
Kevin Bourrillion (Google)
public abstract class com.google.common.base.Optional<T> implements java.io.Serializable
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: com.google.common.base.Optional
  super_class: java.lang.Object
{
  private static final long serialVersionUID;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  public static <T> com.google.common.base.Optional<T> absent();
    descriptor: ()Lcom/google/common/base/Optional;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 91
            invokestatic com.google.common.base.Absent.withType:()Lcom/google/common/base/Optional;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Signature: <T:Ljava/lang/Object;>()Lcom/google/common/base/Optional<TT;>;

  public static <T> com.google.common.base.Optional<T> of(T);
    descriptor: (Ljava/lang/Object;)Lcom/google/common/base/Optional;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.lang.Object reference
         0: .line 103
            new com.google.common.base.Present
            dup
            aload 0 /* reference */
            invokestatic com.google.common.base.Preconditions.checkNotNull:(Ljava/lang/Object;)Ljava/lang/Object;
            invokespecial com.google.common.base.Present.<init>:(Ljava/lang/Object;)V
            areturn
        end local 0 // java.lang.Object reference
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0  reference  TT;
    Signature: <T:Ljava/lang/Object;>(TT;)Lcom/google/common/base/Optional<TT;>;
    MethodParameters:
           Name  Flags
      reference  

  public static <T> com.google.common.base.Optional<T> fromNullable(T);
    descriptor: (Ljava/lang/Object;)Lcom/google/common/base/Optional;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.lang.Object nullableReference
         0: .line 114
            aload 0 /* nullableReference */
            ifnonnull 1
            invokestatic com.google.common.base.Optional.absent:()Lcom/google/common/base/Optional;
            goto 2
      StackMap locals:
      StackMap stack:
         1: new com.google.common.base.Present
            dup
            aload 0 /* nullableReference */
            invokespecial com.google.common.base.Present.<init>:(Ljava/lang/Object;)V
      StackMap locals:
      StackMap stack: com.google.common.base.Optional
         2: areturn
        end local 0 // java.lang.Object nullableReference
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    3     0  nullableReference  TT;
    Signature: <T:Ljava/lang/Object;>(TT;)Lcom/google/common/base/Optional<TT;>;
    RuntimeVisibleTypeAnnotations: 
      METHOD_FORMAL_PARAMETER
        org.checkerframework.checker.nullness.qual.Nullable()
    MethodParameters:
                   Name  Flags
      nullableReference  

  public static <T> com.google.common.base.Optional<T> fromJavaUtil(java.util.Optional<T>);
    descriptor: (Ljava/util/Optional;)Lcom/google/common/base/Optional;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.util.Optional javaUtilOptional
         0: .line 125
            aload 0 /* javaUtilOptional */
            ifnonnull 1
            aconst_null
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 0 /* javaUtilOptional */
            aconst_null
            invokevirtual java.util.Optional.orElse:(Ljava/lang/Object;)Ljava/lang/Object;
            invokestatic com.google.common.base.Optional.fromNullable:(Ljava/lang/Object;)Lcom/google/common/base/Optional;
      StackMap locals:
      StackMap stack: com.google.common.base.Optional
         2: areturn
        end local 0 // java.util.Optional javaUtilOptional
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    3     0  javaUtilOptional  Ljava/util/Optional<TT;>;
    Signature: <T:Ljava/lang/Object;>(Ljava/util/Optional<TT;>;)Lcom/google/common/base/Optional<TT;>;
    RuntimeVisibleTypeAnnotations: 
      METHOD_FORMAL_PARAMETER
        org.checkerframework.checker.nullness.qual.Nullable()
      METHOD_RETURN
        org.checkerframework.checker.nullness.qual.Nullable()
    MethodParameters:
                  Name  Flags
      javaUtilOptional  

  public static <T> java.util.Optional<T> toJavaUtil(com.google.common.base.Optional<T>);
    descriptor: (Lcom/google/common/base/Optional;)Ljava/util/Optional;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.base.Optional googleOptional
         0: .line 143
            aload 0 /* googleOptional */
            ifnonnull 1
            aconst_null
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 0 /* googleOptional */
            invokevirtual com.google.common.base.Optional.toJavaUtil:()Ljava/util/Optional;
      StackMap locals:
      StackMap stack: java.util.Optional
         2: areturn
        end local 0 // com.google.common.base.Optional googleOptional
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    3     0  googleOptional  Lcom/google/common/base/Optional<TT;>;
    Signature: <T:Ljava/lang/Object;>(Lcom/google/common/base/Optional<TT;>;)Ljava/util/Optional<TT;>;
    RuntimeVisibleTypeAnnotations: 
      METHOD_FORMAL_PARAMETER
        org.checkerframework.checker.nullness.qual.Nullable()
      METHOD_RETURN
        org.checkerframework.checker.nullness.qual.Nullable()
    MethodParameters:
                Name  Flags
      googleOptional  

  public java.util.Optional<T> toJavaUtil();
    descriptor: ()Ljava/util/Optional;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.base.Optional this
         0: .line 156
            aload 0 /* this */
            invokevirtual com.google.common.base.Optional.orNull:()Ljava/lang/Object;
            invokestatic java.util.Optional.ofNullable:(Ljava/lang/Object;)Ljava/util/Optional;
            areturn
        end local 0 // com.google.common.base.Optional this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/base/Optional<TT;>;
    Signature: ()Ljava/util/Optional<TT;>;

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.base.Optional this
         0: .line 159
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.google.common.base.Optional this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/base/Optional<TT;>;

  public abstract boolean isPresent();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract T get();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()TT;

  public abstract T or();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TT;)TT;
    MethodParameters:
              Name  Flags
      defaultValue  

  public abstract com.google.common.base.Optional<T> or(com.google.common.base.Optional<? extends T>);
    descriptor: (Lcom/google/common/base/Optional;)Lcom/google/common/base/Optional;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (Lcom/google/common/base/Optional<+TT;>;)Lcom/google/common/base/Optional<TT;>;
    MethodParameters:
              Name  Flags
      secondChoice  

  public abstract T or(com.google.common.base.Supplier<? extends T>);
    descriptor: (Lcom/google/common/base/Supplier;)Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (Lcom/google/common/base/Supplier<+TT;>;)TT;
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.Beta()
    MethodParameters:
          Name  Flags
      supplier  

  public abstract T orNull();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()TT;
    RuntimeVisibleTypeAnnotations: 
      METHOD_RETURN
        org.checkerframework.checker.nullness.qual.Nullable()

  public abstract java.util.Set<T> asSet();
    descriptor: ()Ljava/util/Set;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/util/Set<TT;>;

  public abstract <V> com.google.common.base.Optional<V> transform(com.google.common.base.Function<? super T, V>);
    descriptor: (Lcom/google/common/base/Function;)Lcom/google/common/base/Optional;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: <V:Ljava/lang/Object;>(Lcom/google/common/base/Function<-TT;TV;>;)Lcom/google/common/base/Optional<TV;>;
    MethodParameters:
          Name  Flags
      function  

  public abstract boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    RuntimeVisibleTypeAnnotations: 
      METHOD_FORMAL_PARAMETER
        org.checkerframework.checker.nullness.qual.Nullable()
    MethodParameters:
        Name  Flags
      object  

  public abstract int hashCode();
    descriptor: ()I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public static <T> java.lang.Iterable<T> presentInstances(java.lang.Iterable<? extends com.google.common.base.Optional<? extends T>>);
    descriptor: (Ljava/lang/Iterable;)Ljava/lang/Iterable;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.lang.Iterable optionals
         0: .line 329
            aload 0 /* optionals */
            invokestatic com.google.common.base.Preconditions.checkNotNull:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 330
            new com.google.common.base.Optional$1
            dup
            aload 0 /* optionals */
            invokespecial com.google.common.base.Optional$1.<init>:(Ljava/lang/Iterable;)V
            areturn
        end local 0 // java.lang.Iterable optionals
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0  optionals  Ljava/lang/Iterable<+Lcom/google/common/base/Optional<+TT;>;>;
    Signature: <T:Ljava/lang/Object;>(Ljava/lang/Iterable<+Lcom/google/common/base/Optional<+TT;>;>;)Ljava/lang/Iterable<TT;>;
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.Beta()
    MethodParameters:
           Name  Flags
      optionals  final
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;Ljava/io/Serializable;
SourceFile: "Optional.java"
NestMembers:
  com.google.common.base.Optional$1  com.google.common.base.Optional$1$1
InnerClasses:
  com.google.common.base.Optional$1
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.GwtCompatible(serializable = true)
/

com.google.guava/ guava/ 25.1-jre/ com/google/common/base/Optional.class
