final class io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver<T, R> extends io.reactivex.internal.subscriptions.BasicIntQueueSubscription<R> implements io.reactivex.SingleObserver<T>
minor version: 0
major version: 59
flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
this_class: io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver
super_class: io.reactivex.internal.subscriptions.BasicIntQueueSubscription
{
private static final long serialVersionUID;
descriptor: J
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: -8938804753851907758
final org.reactivestreams.Subscriber<? super R> downstream;
descriptor: Lorg/reactivestreams/Subscriber;
flags: (0x0010) ACC_FINAL
Signature: Lorg/reactivestreams/Subscriber<-TR;>;
final io.reactivex.functions.Function<? super T, ? extends java.lang.Iterable<? extends R>> mapper;
descriptor: Lio/reactivex/functions/Function;
flags: (0x0010) ACC_FINAL
Signature: Lio/reactivex/functions/Function<-TT;+Ljava/lang/Iterable<+TR;>;>;
final java.util.concurrent.atomic.AtomicLong requested;
descriptor: Ljava/util/concurrent/atomic/AtomicLong;
flags: (0x0010) ACC_FINAL
io.reactivex.disposables.Disposable upstream;
descriptor: Lio/reactivex/disposables/Disposable;
flags: (0x0000)
volatile java.util.Iterator<? extends R> it;
descriptor: Ljava/util/Iterator;
flags: (0x0040) ACC_VOLATILE
Signature: Ljava/util/Iterator<+TR;>;
volatile boolean cancelled;
descriptor: Z
flags: (0x0040) ACC_VOLATILE
boolean outputFused;
descriptor: Z
flags: (0x0000)
void <init>(org.reactivestreams.Subscriber<? super R>, io.reactivex.functions.Function<? super T, ? extends java.lang.Iterable<? extends R>>);
descriptor: (Lorg/reactivestreams/Subscriber;Lio/reactivex/functions/Function;)V
flags: (0x0000)
Code:
stack=3, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
invokespecial io.reactivex.internal.subscriptions.BasicIntQueueSubscription.<init>:()V
1: aload 0
aload 1
putfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.downstream:Lorg/reactivestreams/Subscriber;
2: aload 0
aload 2
putfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.mapper:Lio/reactivex/functions/Function;
3: aload 0
new java.util.concurrent.atomic.AtomicLong
dup
invokespecial java.util.concurrent.atomic.AtomicLong.<init>:()V
putfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.requested:Ljava/util/concurrent/atomic/AtomicLong;
4: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Lio/reactivex/internal/operators/single/SingleFlatMapIterableFlowable$FlatMapIterableObserver<TT;TR;>;
0 5 1 actual Lorg/reactivestreams/Subscriber<-TR;>;
0 5 2 mapper Lio/reactivex/functions/Function<-TT;+Ljava/lang/Iterable<+TR;>;>;
Signature: (Lorg/reactivestreams/Subscriber<-TR;>;Lio/reactivex/functions/Function<-TT;+Ljava/lang/Iterable<+TR;>;>;)V
MethodParameters:
Name Flags
actual
mapper
public void onSubscribe(io.reactivex.disposables.Disposable);
descriptor: (Lio/reactivex/disposables/Disposable;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.upstream:Lio/reactivex/disposables/Disposable;
aload 1
invokestatic io.reactivex.internal.disposables.DisposableHelper.validate:(Lio/reactivex/disposables/Disposable;Lio/reactivex/disposables/Disposable;)Z
ifeq 3
1: aload 0
aload 1
putfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.upstream:Lio/reactivex/disposables/Disposable;
2: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.downstream:Lorg/reactivestreams/Subscriber;
aload 0
invokeinterface org.reactivestreams.Subscriber.onSubscribe:(Lorg/reactivestreams/Subscription;)V
3: StackMap locals:
StackMap stack:
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lio/reactivex/internal/operators/single/SingleFlatMapIterableFlowable$FlatMapIterableObserver<TT;TR;>;
0 4 1 d Lio/reactivex/disposables/Disposable;
MethodParameters:
Name Flags
d
public void onSuccess();
descriptor: (Ljava/lang/Object;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=5, args_size=2
start local 0 start local 1 0: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.mapper:Lio/reactivex/functions/Function;
aload 1
invokeinterface io.reactivex.functions.Function.apply:(Ljava/lang/Object;)Ljava/lang/Object;
checkcast java.lang.Iterable
invokeinterface java.lang.Iterable.iterator:()Ljava/util/Iterator;
astore 2
start local 2 1: aload 2
invokeinterface java.util.Iterator.hasNext:()Z
istore 3
start local 3 2: goto 7
end local 3 end local 2 StackMap locals:
StackMap stack: java.lang.Throwable
3: astore 4
start local 4 4: aload 4
invokestatic io.reactivex.exceptions.Exceptions.throwIfFatal:(Ljava/lang/Throwable;)V
5: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.downstream:Lorg/reactivestreams/Subscriber;
aload 4
invokeinterface org.reactivestreams.Subscriber.onError:(Ljava/lang/Throwable;)V
6: return
end local 4 start local 2 start local 3 7: StackMap locals: java.util.Iterator int
StackMap stack:
iload 3
ifne 10
8: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.downstream:Lorg/reactivestreams/Subscriber;
invokeinterface org.reactivestreams.Subscriber.onComplete:()V
9: return
10: StackMap locals:
StackMap stack:
aload 0
aload 2
putfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.it:Ljava/util/Iterator;
11: aload 0
invokevirtual io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.drain:()V
12: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 13 0 this Lio/reactivex/internal/operators/single/SingleFlatMapIterableFlowable$FlatMapIterableObserver<TT;TR;>;
0 13 1 value TT;
1 3 2 iterator Ljava/util/Iterator<+TR;>;
7 13 2 iterator Ljava/util/Iterator<+TR;>;
2 3 3 has Z
7 13 3 has Z
4 7 4 ex Ljava/lang/Throwable;
Exception table:
from to target type
0 2 3 Class java.lang.Throwable
Signature: (TT;)V
MethodParameters:
Name Flags
value
public void onError(java.lang.Throwable);
descriptor: (Ljava/lang/Throwable;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
getstatic io.reactivex.internal.disposables.DisposableHelper.DISPOSED:Lio/reactivex/internal/disposables/DisposableHelper;
putfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.upstream:Lio/reactivex/disposables/Disposable;
1: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.downstream:Lorg/reactivestreams/Subscriber;
aload 1
invokeinterface org.reactivestreams.Subscriber.onError:(Ljava/lang/Throwable;)V
2: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Lio/reactivex/internal/operators/single/SingleFlatMapIterableFlowable$FlatMapIterableObserver<TT;TR;>;
0 3 1 e Ljava/lang/Throwable;
MethodParameters:
Name Flags
e
public void request(long);
descriptor: (J)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=3, args_size=2
start local 0 start local 1 0: lload 1
invokestatic io.reactivex.internal.subscriptions.SubscriptionHelper.validate:(J)Z
ifeq 3
1: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.requested:Ljava/util/concurrent/atomic/AtomicLong;
lload 1
invokestatic io.reactivex.internal.util.BackpressureHelper.add:(Ljava/util/concurrent/atomic/AtomicLong;J)J
pop2
2: aload 0
invokevirtual io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.drain:()V
3: StackMap locals:
StackMap stack:
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lio/reactivex/internal/operators/single/SingleFlatMapIterableFlowable$FlatMapIterableObserver<TT;TR;>;
0 4 1 n J
MethodParameters:
Name Flags
n
public void cancel();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
iconst_1
putfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.cancelled:Z
1: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.upstream:Lio/reactivex/disposables/Disposable;
invokeinterface io.reactivex.disposables.Disposable.dispose:()V
2: aload 0
getstatic io.reactivex.internal.disposables.DisposableHelper.DISPOSED:Lio/reactivex/internal/disposables/DisposableHelper;
putfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.upstream:Lio/reactivex/disposables/Disposable;
3: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lio/reactivex/internal/operators/single/SingleFlatMapIterableFlowable$FlatMapIterableObserver<TT;TR;>;
void drain();
descriptor: ()V
flags: (0x0000)
Code:
stack=4, locals=11, args_size=1
start local 0 0: aload 0
invokevirtual io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.getAndIncrement:()I
ifeq 2
1: return
2: StackMap locals:
StackMap stack:
aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.downstream:Lorg/reactivestreams/Subscriber;
astore 1
start local 1 3: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.it:Ljava/util/Iterator;
astore 2
start local 2 4: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.outputFused:Z
ifeq 8
aload 2
ifnull 8
5: aload 1
aconst_null
invokeinterface org.reactivestreams.Subscriber.onNext:(Ljava/lang/Object;)V
6: aload 1
invokeinterface org.reactivestreams.Subscriber.onComplete:()V
7: return
8: StackMap locals: org.reactivestreams.Subscriber java.util.Iterator
StackMap stack:
iconst_1
istore 3
start local 3 9: StackMap locals: int
StackMap stack:
aload 2
ifnull 39
10: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.requested:Ljava/util/concurrent/atomic/AtomicLong;
invokevirtual java.util.concurrent.atomic.AtomicLong.get:()J
lstore 4
start local 4 11: lconst_0
lstore 6
start local 6 12: lload 4
ldc 9223372036854775807
lcmp
ifne 36
13: aload 0
aload 1
aload 2
invokevirtual io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.slowPath:(Lorg/reactivestreams/Subscriber;Ljava/util/Iterator;)V
14: return
15: StackMap locals: long long
StackMap stack:
aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.cancelled:Z
ifeq 17
16: return
17: StackMap locals:
StackMap stack:
aload 2
invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
ldc "The iterator returned a null value"
invokestatic io.reactivex.internal.functions.ObjectHelper.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
astore 8
start local 8 18: goto 23
end local 8 StackMap locals:
StackMap stack: java.lang.Throwable
19: astore 9
start local 9 20: aload 9
invokestatic io.reactivex.exceptions.Exceptions.throwIfFatal:(Ljava/lang/Throwable;)V
21: aload 1
aload 9
invokeinterface org.reactivestreams.Subscriber.onError:(Ljava/lang/Throwable;)V
22: return
end local 9 start local 8 23: StackMap locals: java.lang.Object
StackMap stack:
aload 1
aload 8
invokeinterface org.reactivestreams.Subscriber.onNext:(Ljava/lang/Object;)V
24: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.cancelled:Z
ifeq 26
25: return
26: StackMap locals:
StackMap stack:
lload 6
lconst_1
ladd
lstore 6
27: aload 2
invokeinterface java.util.Iterator.hasNext:()Z
istore 9
start local 9 28: goto 33
end local 9 StackMap locals:
StackMap stack: java.lang.Throwable
29: astore 10
start local 10 30: aload 10
invokestatic io.reactivex.exceptions.Exceptions.throwIfFatal:(Ljava/lang/Throwable;)V
31: aload 1
aload 10
invokeinterface org.reactivestreams.Subscriber.onError:(Ljava/lang/Throwable;)V
32: return
end local 10 start local 9 33: StackMap locals: int
StackMap stack:
iload 9
ifne 36
34: aload 1
invokeinterface org.reactivestreams.Subscriber.onComplete:()V
35: return
end local 9 end local 8 36: StackMap locals:
StackMap stack:
lload 6
lload 4
lcmp
ifne 15
37: lload 6
lconst_0
lcmp
ifeq 39
38: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.requested:Ljava/util/concurrent/atomic/AtomicLong;
lload 6
invokestatic io.reactivex.internal.util.BackpressureHelper.produced:(Ljava/util/concurrent/atomic/AtomicLong;J)J
pop2
end local 6 end local 4 39: StackMap locals:
StackMap stack:
aload 0
iload 3
ineg
invokevirtual io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.addAndGet:(I)I
istore 3
40: iload 3
ifne 42
41: goto 45
42: StackMap locals:
StackMap stack:
aload 2
ifnonnull 9
43: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.it:Ljava/util/Iterator;
astore 2
44: goto 9
45: StackMap locals:
StackMap stack:
return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 46 0 this Lio/reactivex/internal/operators/single/SingleFlatMapIterableFlowable$FlatMapIterableObserver<TT;TR;>;
3 46 1 a Lorg/reactivestreams/Subscriber<-TR;>;
4 46 2 iterator Ljava/util/Iterator<+TR;>;
9 46 3 missed I
11 39 4 r J
12 39 6 e J
18 19 8 v TR;
23 36 8 v TR;
20 23 9 ex Ljava/lang/Throwable;
28 29 9 b Z
33 36 9 b Z
30 33 10 ex Ljava/lang/Throwable;
Exception table:
from to target type
17 18 19 Class java.lang.Throwable
27 28 29 Class java.lang.Throwable
void slowPath(org.reactivestreams.Subscriber<? super R>, java.util.Iterator<? extends R>);
descriptor: (Lorg/reactivestreams/Subscriber;Ljava/util/Iterator;)V
flags: (0x0000)
Code:
stack=2, locals=6, args_size=3
start local 0 start local 1 start local 2 0: StackMap locals:
StackMap stack:
aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.cancelled:Z
ifeq 2
1: return
2: StackMap locals:
StackMap stack:
aload 2
invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
astore 3
start local 3 3: goto 8
end local 3 StackMap locals:
StackMap stack: java.lang.Throwable
4: astore 4
start local 4 5: aload 4
invokestatic io.reactivex.exceptions.Exceptions.throwIfFatal:(Ljava/lang/Throwable;)V
6: aload 1
aload 4
invokeinterface org.reactivestreams.Subscriber.onError:(Ljava/lang/Throwable;)V
7: return
end local 4 start local 3 8: StackMap locals: java.lang.Object
StackMap stack:
aload 1
aload 3
invokeinterface org.reactivestreams.Subscriber.onNext:(Ljava/lang/Object;)V
9: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.cancelled:Z
ifeq 11
10: return
11: StackMap locals:
StackMap stack:
aload 2
invokeinterface java.util.Iterator.hasNext:()Z
istore 4
start local 4 12: goto 17
end local 4 StackMap locals:
StackMap stack: java.lang.Throwable
13: astore 5
start local 5 14: aload 5
invokestatic io.reactivex.exceptions.Exceptions.throwIfFatal:(Ljava/lang/Throwable;)V
15: aload 1
aload 5
invokeinterface org.reactivestreams.Subscriber.onError:(Ljava/lang/Throwable;)V
16: return
end local 5 start local 4 17: StackMap locals: int
StackMap stack:
iload 4
ifne 0
18: aload 1
invokeinterface org.reactivestreams.Subscriber.onComplete:()V
19: return
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 20 0 this Lio/reactivex/internal/operators/single/SingleFlatMapIterableFlowable$FlatMapIterableObserver<TT;TR;>;
0 20 1 a Lorg/reactivestreams/Subscriber<-TR;>;
0 20 2 iterator Ljava/util/Iterator<+TR;>;
3 4 3 v TR;
8 20 3 v TR;
5 8 4 ex Ljava/lang/Throwable;
12 13 4 b Z
17 20 4 b Z
14 17 5 ex Ljava/lang/Throwable;
Exception table:
from to target type
2 3 4 Class java.lang.Throwable
11 12 13 Class java.lang.Throwable
Signature: (Lorg/reactivestreams/Subscriber<-TR;>;Ljava/util/Iterator<+TR;>;)V
MethodParameters:
Name Flags
a
iterator
public int requestFusion(int);
descriptor: (I)I
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: iload 1
iconst_2
iand
ifeq 3
1: aload 0
iconst_1
putfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.outputFused:Z
2: iconst_2
ireturn
3: StackMap locals:
StackMap stack:
iconst_0
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lio/reactivex/internal/operators/single/SingleFlatMapIterableFlowable$FlatMapIterableObserver<TT;TR;>;
0 4 1 mode I
MethodParameters:
Name Flags
mode
public void clear();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
aconst_null
putfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.it:Ljava/util/Iterator;
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lio/reactivex/internal/operators/single/SingleFlatMapIterableFlowable$FlatMapIterableObserver<TT;TR;>;
public boolean isEmpty();
descriptor: ()Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.it:Ljava/util/Iterator;
ifnonnull 1
iconst_1
ireturn
StackMap locals:
StackMap stack:
1: iconst_0
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lio/reactivex/internal/operators/single/SingleFlatMapIterableFlowable$FlatMapIterableObserver<TT;TR;>;
public R poll();
descriptor: ()Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=3, args_size=1
start local 0 0: aload 0
getfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.it:Ljava/util/Iterator;
astore 1
start local 1 1: aload 1
ifnull 6
2: aload 1
invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
ldc "The iterator returned a null value"
invokestatic io.reactivex.internal.functions.ObjectHelper.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
astore 2
start local 2 3: aload 1
invokeinterface java.util.Iterator.hasNext:()Z
ifne 5
4: aload 0
aconst_null
putfield io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver.it:Ljava/util/Iterator;
5: StackMap locals: java.util.Iterator java.lang.Object
StackMap stack:
aload 2
areturn
end local 2 6: StackMap locals:
StackMap stack:
aconst_null
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Lio/reactivex/internal/operators/single/SingleFlatMapIterableFlowable$FlatMapIterableObserver<TT;TR;>;
1 7 1 iterator Ljava/util/Iterator<+TR;>;
3 6 2 v TR;
Exceptions:
throws java.lang.Exception
Signature: ()TR;
RuntimeInvisibleAnnotations:
io.reactivex.annotations.Nullable()
}
Signature: <T:Ljava/lang/Object;R:Ljava/lang/Object;>Lio/reactivex/internal/subscriptions/BasicIntQueueSubscription<TR;>;Lio/reactivex/SingleObserver<TT;>;
SourceFile: "SingleFlatMapIterableFlowable.java"
NestHost: io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable
InnerClasses:
final FlatMapIterableObserver = io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable$FlatMapIterableObserver of io.reactivex.internal.operators.single.SingleFlatMapIterableFlowable