3.x: Standardize many of the operator fusion interfaces & queues (#7320)

Author: akarnokd

src/main/java/io/reactivex/rxjava3/core/Flowable.java

@@ -25,7 +25,6 @@
 import io.reactivex.rxjava3.flowables.*;
 import io.reactivex.rxjava3.functions.*;
 import io.reactivex.rxjava3.internal.functions.*;
-import io.reactivex.rxjava3.internal.fuseable.ScalarSupplier;
 import io.reactivex.rxjava3.internal.jdk8.*;
 import io.reactivex.rxjava3.internal.operators.flowable.*;
 import io.reactivex.rxjava3.internal.operators.maybe.MaybeToFlowable;
@@ -35,6 +34,7 @@
 import io.reactivex.rxjava3.internal.schedulers.ImmediateThinScheduler;
 import io.reactivex.rxjava3.internal.subscribers.*;
 import io.reactivex.rxjava3.internal.util.*;
+import io.reactivex.rxjava3.operators.ScalarSupplier;
 import io.reactivex.rxjava3.parallel.ParallelFlowable;
 import io.reactivex.rxjava3.plugins.RxJavaPlugins;
 import io.reactivex.rxjava3.schedulers.*;

src/main/java/io/reactivex/rxjava3/core/Observable.java

@@ -24,7 +24,6 @@
 import io.reactivex.rxjava3.exceptions.*;
 import io.reactivex.rxjava3.functions.*;
 import io.reactivex.rxjava3.internal.functions.*;
-import io.reactivex.rxjava3.internal.fuseable.ScalarSupplier;
 import io.reactivex.rxjava3.internal.jdk8.*;
 import io.reactivex.rxjava3.internal.observers.*;
 import io.reactivex.rxjava3.internal.operators.flowable.*;
@@ -35,6 +34,7 @@
 import io.reactivex.rxjava3.internal.util.*;
 import io.reactivex.rxjava3.observables.*;
 import io.reactivex.rxjava3.observers.*;
+import io.reactivex.rxjava3.operators.ScalarSupplier;
 import io.reactivex.rxjava3.plugins.RxJavaPlugins;
 import io.reactivex.rxjava3.schedulers.*;
 

src/main/java/io/reactivex/rxjava3/internal/disposables/EmptyDisposable.java

@@ -15,7 +15,7 @@
 
 import io.reactivex.rxjava3.annotations.Nullable;
 import io.reactivex.rxjava3.core.*;
-import io.reactivex.rxjava3.internal.fuseable.QueueDisposable;
+import io.reactivex.rxjava3.operators.QueueDisposable;
 
 /**
  * Represents a stateless empty Disposable that reports being always

src/main/java/io/reactivex/rxjava3/internal/fuseable/AbstractEmptyQueueFuseable.java

@@ -14,6 +14,9 @@
 package io.reactivex.rxjava3.internal.fuseable;
 
 import io.reactivex.rxjava3.annotations.NonNull;
+import io.reactivex.rxjava3.operators.QueueDisposable;
+import io.reactivex.rxjava3.operators.QueueFuseable;
+import io.reactivex.rxjava3.operators.QueueSubscription;
 
 /**
  * Represents an empty, async-only {@link QueueFuseable} instance.

src/main/java/io/reactivex/rxjava3/internal/fuseable/CancellableQueueFuseable.java

@@ -13,6 +13,8 @@
 
 package io.reactivex.rxjava3.internal.fuseable;
 
+import io.reactivex.rxjava3.operators.QueueFuseable;
+
 /**
  * Represents an empty, async-only {@link QueueFuseable} instance that tracks and exposes a
  * canceled/disposed state.

src/main/java/io/reactivex/rxjava3/internal/jdk8/FlowableFlatMapStream.java

@@ -23,10 +23,12 @@
 import io.reactivex.rxjava3.core.*;
 import io.reactivex.rxjava3.exceptions.*;
 import io.reactivex.rxjava3.functions.*;
-import io.reactivex.rxjava3.internal.fuseable.*;
-import io.reactivex.rxjava3.internal.queue.SpscArrayQueue;
 import io.reactivex.rxjava3.internal.subscriptions.*;
 import io.reactivex.rxjava3.internal.util.*;
+import io.reactivex.rxjava3.operators.QueueFuseable;
+import io.reactivex.rxjava3.operators.QueueSubscription;
+import io.reactivex.rxjava3.operators.SimpleQueue;
+import io.reactivex.rxjava3.operators.SpscArrayQueue;
 import io.reactivex.rxjava3.plugins.RxJavaPlugins;
 
 /**

src/main/java/io/reactivex/rxjava3/internal/jdk8/FlowableFromStream.java

@@ -23,9 +23,10 @@
 import io.reactivex.rxjava3.annotations.*;
 import io.reactivex.rxjava3.core.Flowable;
 import io.reactivex.rxjava3.exceptions.Exceptions;
-import io.reactivex.rxjava3.internal.fuseable.*;
 import io.reactivex.rxjava3.internal.subscriptions.*;
 import io.reactivex.rxjava3.internal.util.BackpressureHelper;
+import io.reactivex.rxjava3.operators.ConditionalSubscriber;
+import io.reactivex.rxjava3.operators.QueueSubscription;
 import io.reactivex.rxjava3.plugins.RxJavaPlugins;
 
 /**

src/main/java/io/reactivex/rxjava3/internal/jdk8/FlowableMapOptional.java

@@ -19,8 +19,8 @@
 
 import io.reactivex.rxjava3.core.Flowable;
 import io.reactivex.rxjava3.functions.Function;
-import io.reactivex.rxjava3.internal.fuseable.ConditionalSubscriber;
 import io.reactivex.rxjava3.internal.subscribers.*;
+import io.reactivex.rxjava3.operators.ConditionalSubscriber;
 
 /**
  * Map the upstream values into an Optional and emit its value if any.

src/main/java/io/reactivex/rxjava3/internal/jdk8/ObservableFromStream.java

@@ -21,7 +21,7 @@
 import io.reactivex.rxjava3.core.Observer;
 import io.reactivex.rxjava3.exceptions.Exceptions;
 import io.reactivex.rxjava3.internal.disposables.EmptyDisposable;
-import io.reactivex.rxjava3.internal.fuseable.QueueDisposable;
+import io.reactivex.rxjava3.operators.QueueDisposable;
 import io.reactivex.rxjava3.plugins.RxJavaPlugins;
 
 /**

src/main/java/io/reactivex/rxjava3/internal/jdk8/ParallelMapOptional.java

@@ -19,8 +19,8 @@
 
 import io.reactivex.rxjava3.exceptions.Exceptions;
 import io.reactivex.rxjava3.functions.Function;
-import io.reactivex.rxjava3.internal.fuseable.ConditionalSubscriber;
 import io.reactivex.rxjava3.internal.subscriptions.SubscriptionHelper;
+import io.reactivex.rxjava3.operators.ConditionalSubscriber;
 import io.reactivex.rxjava3.parallel.ParallelFlowable;
 import io.reactivex.rxjava3.plugins.RxJavaPlugins;