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December 3, 2016 10:31
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A scala case class decompiled using javap
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| public class Book implements scala.Product,scala.Serializable { | |
| public static scala.Option<scala.Tuple3<java.lang.Object, java.lang.String, java.lang.Object>> unapply(Book); | |
| Code: | |
| 0: getstatic #20 // Field Book$.MODULE$:LBook$; | |
| 3: aload_0 | |
| 4: invokevirtual #22 // Method Book$.unapply:(LBook;)Lscala/Option; | |
| 7: areturn | |
| public static Book apply(int, java.lang.String, long); | |
| Code: | |
| 0: getstatic #20 // Field Book$.MODULE$:LBook$; | |
| 3: iload_0 | |
| 4: aload_1 | |
| 5: lload_2 | |
| 6: invokevirtual #26 // Method Book$.apply:(ILjava/lang/String;J)LBook; | |
| 9: areturn | |
| public static scala.Function1<scala.Tuple3<java.lang.Object, java.lang.String, java.lang.Object>, Book> tupled(); | |
| Code: | |
| 0: getstatic #20 // Field Book$.MODULE$:LBook$; | |
| 3: invokevirtual #30 // Method Book$.tupled:()Lscala/Function1; | |
| 6: areturn | |
| public static scala.Function1<java.lang.Object, scala.Function1<java.lang.String, scala.Function1<java.lang.Object, Book>>> curried(); | |
| Code: | |
| 0: getstatic #20 // Field Book$.MODULE$:LBook$; | |
| 3: invokevirtual #33 // Method Book$.curried:()Lscala/Function1; | |
| 6: areturn | |
| public int id$1(); | |
| Code: | |
| 0: aload_0 | |
| 1: getfield #43 // Field id:I | |
| 4: ireturn | |
| public java.lang.String title$1(); | |
| Code: | |
| 0: aload_0 | |
| 1: getfield #49 // Field title:Ljava/lang/String; | |
| 4: areturn | |
| public long isbn$1(); | |
| Code: | |
| 0: aload_0 | |
| 1: getfield #53 // Field isbn:J | |
| 4: lreturn | |
| public Book copy(int, java.lang.String, long); | |
| Code: | |
| 0: new #2 // class Book | |
| 3: dup | |
| 4: iload_1 | |
| 5: aload_2 | |
| 6: lload_3 | |
| 7: invokespecial #58 // Method "<init>":(ILjava/lang/String;J)V | |
| 10: areturn | |
| public int copy$default$1(); | |
| Code: | |
| 0: aload_0 | |
| 1: invokespecial #61 // Method id:()I | |
| 4: ireturn | |
| public java.lang.String copy$default$2(); | |
| Code: | |
| 0: aload_0 | |
| 1: invokespecial #64 // Method title:()Ljava/lang/String; | |
| 4: areturn | |
| public long copy$default$3(); | |
| Code: | |
| 0: aload_0 | |
| 1: invokespecial #67 // Method isbn:()J | |
| 4: lreturn | |
| public java.lang.String productPrefix(); | |
| Code: | |
| 0: ldc #69 // String Book | |
| 2: areturn | |
| public int productArity(); | |
| Code: | |
| 0: iconst_3 | |
| 1: ireturn | |
| public java.lang.Object productElement(int); | |
| Code: | |
| 0: iload_1 | |
| 1: istore_2 | |
| 2: iload_2 | |
| 3: tableswitch { // 0 to 2 | |
| 0: 60 | |
| 1: 53 | |
| 2: 43 | |
| default: 28 | |
| } | |
| 28: new #74 // class java/lang/IndexOutOfBoundsException | |
| 31: dup | |
| 32: iload_1 | |
| 33: invokestatic #80 // Method scala/runtime/BoxesRunTime.boxToInteger:(I)Ljava/lang/Integer; | |
| 36: invokevirtual #83 // Method java/lang/Object.toString:()Ljava/lang/String; | |
| 39: invokespecial #86 // Method java/lang/IndexOutOfBoundsException."<init>":(Ljava/lang/String;)V | |
| 42: athrow | |
| 43: aload_0 | |
| 44: invokevirtual #88 // Method isbn$1:()J | |
| 47: invokestatic #92 // Method scala/runtime/BoxesRunTime.boxToLong:(J)Ljava/lang/Long; | |
| 50: goto 67 | |
| 53: aload_0 | |
| 54: invokevirtual #94 // Method title$1:()Ljava/lang/String; | |
| 57: goto 67 | |
| 60: aload_0 | |
| 61: invokevirtual #96 // Method id$1:()I | |
| 64: invokestatic #80 // Method scala/runtime/BoxesRunTime.boxToInteger:(I)Ljava/lang/Integer; | |
| 67: areturn | |
| public scala.collection.Iterator<java.lang.Object> productIterator(); | |
| Code: | |
| 0: getstatic #104 // Field scala/runtime/ScalaRunTime$.MODULE$:Lscala/runtime/ScalaRunTime$; | |
| 3: aload_0 | |
| 4: invokevirtual #108 // Method scala/runtime/ScalaRunTime$.typedProductIterator:(Lscala/Product;)Lscala/collection/Iterator; | |
| 7: areturn | |
| public boolean canEqual(java.lang.Object); | |
| Code: | |
| 0: aload_1 | |
| 1: instanceof #2 // class Book | |
| 4: ireturn | |
| public int hashCode(); | |
| Code: | |
| 0: ldc #113 // int -889275714 | |
| 2: istore_1 | |
| 3: iload_1 | |
| 4: aload_0 | |
| 5: invokevirtual #96 // Method id$1:()I | |
| 8: invokestatic #119 // Method scala/runtime/Statics.mix:(II)I | |
| 11: istore_1 | |
| 12: iload_1 | |
| 13: aload_0 | |
| 14: invokevirtual #94 // Method title$1:()Ljava/lang/String; | |
| 17: invokestatic #123 // Method scala/runtime/Statics.anyHash:(Ljava/lang/Object;)I | |
| 20: invokestatic #119 // Method scala/runtime/Statics.mix:(II)I | |
| 23: istore_1 | |
| 24: iload_1 | |
| 25: aload_0 | |
| 26: invokevirtual #88 // Method isbn$1:()J | |
| 29: invokestatic #127 // Method scala/runtime/Statics.longHash:(J)I | |
| 32: invokestatic #119 // Method scala/runtime/Statics.mix:(II)I | |
| 35: istore_1 | |
| 36: iload_1 | |
| 37: iconst_3 | |
| 38: invokestatic #130 // Method scala/runtime/Statics.finalizeHash:(II)I | |
| 41: ireturn | |
| public java.lang.String toString(); | |
| Code: | |
| 0: getstatic #104 // Field scala/runtime/ScalaRunTime$.MODULE$:Lscala/runtime/ScalaRunTime$; | |
| 3: aload_0 | |
| 4: invokevirtual #134 // Method scala/runtime/ScalaRunTime$._toString:(Lscala/Product;)Ljava/lang/String; | |
| 7: areturn | |
| public boolean equals(java.lang.Object); | |
| Code: | |
| 0: aload_0 | |
| 1: aload_1 | |
| 2: if_acmpeq 105 | |
| 5: aload_1 | |
| 6: astore_2 | |
| 7: aload_2 | |
| 8: instanceof #2 // class Book | |
| 11: ifeq 19 | |
| 14: iconst_1 | |
| 15: istore_3 | |
| 16: goto 21 | |
| 19: iconst_0 | |
| 20: istore_3 | |
| 21: iload_3 | |
| 22: ifeq 109 | |
| 25: aload_1 | |
| 26: checkcast #2 // class Book | |
| 29: astore 4 | |
| 31: aload_0 | |
| 32: invokevirtual #96 // Method id$1:()I | |
| 35: aload 4 | |
| 37: invokevirtual #96 // Method id$1:()I | |
| 40: if_icmpne 101 | |
| 43: aload_0 | |
| 44: invokevirtual #94 // Method title$1:()Ljava/lang/String; | |
| 47: aload 4 | |
| 49: invokevirtual #94 // Method title$1:()Ljava/lang/String; | |
| 52: astore 5 | |
| 54: dup | |
| 55: ifnonnull 67 | |
| 58: pop | |
| 59: aload 5 | |
| 61: ifnull 75 | |
| 64: goto 101 | |
| 67: aload 5 | |
| 69: invokevirtual #137 // Method java/lang/Object.equals:(Ljava/lang/Object;)Z | |
| 72: ifeq 101 | |
| 75: aload_0 | |
| 76: invokevirtual #88 // Method isbn$1:()J | |
| 79: aload 4 | |
| 81: invokevirtual #88 // Method isbn$1:()J | |
| 84: lcmp | |
| 85: ifne 101 | |
| 88: aload 4 | |
| 90: aload_0 | |
| 91: invokevirtual #139 // Method canEqual:(Ljava/lang/Object;)Z | |
| 94: ifeq 101 | |
| 97: iconst_1 | |
| 98: goto 102 | |
| 101: iconst_0 | |
| 102: ifeq 109 | |
| 105: iconst_1 | |
| 106: goto 110 | |
| 109: iconst_0 | |
| 110: ireturn | |
| public Book(int, java.lang.String, long); | |
| Code: | |
| 0: aload_0 | |
| 1: iload_1 | |
| 2: putfield #43 // Field id:I | |
| 5: aload_0 | |
| 6: aload_2 | |
| 7: putfield #49 // Field title:Ljava/lang/String; | |
| 10: aload_0 | |
| 11: lload_3 | |
| 12: putfield #53 // Field isbn:J | |
| 15: aload_0 | |
| 16: invokespecial #144 // Method java/lang/Object."<init>":()V | |
| 19: aload_0 | |
| 20: invokestatic #150 // Method scala/Product$class.$init$:(Lscala/Product;)V | |
| 23: return | |
| } |
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