2.x: cleanup for text and javadoc 04/15 (#5286)

src/main/java/io/reactivex/Maybe.java

@@ -3566,10 +3566,10 @@ public final Maybe<T> retryUntil(final BooleanSupplier stop) {
      * This retries 3 times, each time incrementing the number of seconds it waits.
      *
      * <pre><code>
-     *  Publisher.create((Subscriber<? super String> s) -> {
+     *  Flowable.create((FlowableEmitter<? super String> s) -> {
      *      System.out.println("subscribing");
      *      s.onError(new RuntimeException("always fails"));
-     *  }).retryWhen(attempts -> {
+     *  }, BackpressureStrategy.BUFFER).retryWhen(attempts -> {
      *      return attempts.zipWith(Publisher.range(1, 3), (n, i) -> i).flatMap(i -> {
      *          System.out.println("delay retry by " + i + " second(s)");
      *          return Publisher.timer(i, TimeUnit.SECONDS);

src/main/java/io/reactivex/internal/operators/flowable/FlowableFlattenIterable.java

@@ -23,6 +23,7 @@
 import io.reactivex.annotations.Nullable;
 import io.reactivex.exceptions.*;
 import io.reactivex.functions.Function;
+import io.reactivex.internal.functions.ObjectHelper;
 import io.reactivex.internal.fuseable.*;
 import io.reactivex.internal.queue.SpscArrayQueue;
 import io.reactivex.internal.subscriptions.*;
@@ -298,7 +299,7 @@ void drain() {
                         R v;
 
                         try {
-                            v = it.next();
+                            v = ObjectHelper.requireNonNull(it.next(), "The iterator returned a null value");
                         } catch (Throwable ex) {
                             Exceptions.throwIfFatal(ex);
                             current = null;
@@ -437,7 +438,7 @@ public R poll() throws Exception {
                     current = it;
                 }
 
-                R r = it.next();
+                R r = ObjectHelper.requireNonNull(it.next(), "The iterator returned a null value");
 
                 if (!it.hasNext()) {
                     current = null;

src/main/java/io/reactivex/internal/operators/observable/ObservableBlockingSubscribe.java

@@ -34,7 +34,7 @@ private ObservableBlockingSubscribe() {
     /**
      * Subscribes to the source and calls the Observer methods on the current thread.
      * <p>
-     * @param o the source publisher
+     * @param o the source ObservableSource
      * The call to dispose() is composed through.
      * @param observer the subscriber to forward events and calls to in the current thread
      * @param <T> the value type
@@ -70,7 +70,7 @@ public static <T> void subscribe(ObservableSource<? extends T> o, Observer<? sup
 
     /**
      * Runs the source observable to a terminal event, ignoring any values and rethrowing any exception.
-     * @param o the source publisher
+     * @param o the source ObservableSource
      * @param <T> the value type
      */
     public static <T> void subscribe(ObservableSource<? extends T> o) {
@@ -89,7 +89,7 @@ public static <T> void subscribe(ObservableSource<? extends T> o) {
 
     /**
      * Subscribes to the source and calls the given actions on the current thread.
-     * @param o the source publisher
+     * @param o the source ObservableSource
      * @param onNext the callback action for each source value
      * @param onError the callback action for an error event
      * @param onComplete the callback action for the completion event.

src/main/java/io/reactivex/internal/operators/observable/ObservableBufferBoundarySupplier.java

@@ -87,7 +87,7 @@ public void onSubscribe(Disposable s) {
                 ObservableSource<B> boundary;
 
                 try {
-                    boundary = ObjectHelper.requireNonNull(boundarySupplier.call(), "The boundary publisher supplied is null");
+                    boundary = ObjectHelper.requireNonNull(boundarySupplier.call(), "The boundary ObservableSource supplied is null");
                 } catch (Throwable ex) {
                     Exceptions.throwIfFatal(ex);
                     cancelled = true;
@@ -179,7 +179,7 @@ void next() {
             ObservableSource<B> boundary;
 
             try {
-                boundary = ObjectHelper.requireNonNull(boundarySupplier.call(), "The boundary publisher supplied is null");
+                boundary = ObjectHelper.requireNonNull(boundarySupplier.call(), "The boundary ObservableSource supplied is null");
             } catch (Throwable ex) {
                 Exceptions.throwIfFatal(ex);
                 cancelled = true;

src/main/java/io/reactivex/internal/operators/observable/ObservableDebounce.java

@@ -81,7 +81,7 @@ public void onNext(T t) {
             ObservableSource<U> p;
 
             try {
-                p = ObjectHelper.requireNonNull(debounceSelector.apply(t), "The publisher supplied is null");
+                p = ObjectHelper.requireNonNull(debounceSelector.apply(t), "The ObservableSource supplied is null");
             } catch (Throwable e) {
                 Exceptions.throwIfFatal(e);
                 dispose();

src/main/java/io/reactivex/internal/operators/observable/ObservableDefer.java

@@ -29,7 +29,7 @@ public ObservableDefer(Callable<? extends ObservableSource<? extends T>> supplie
     public void subscribeActual(Observer<? super T> s) {
         ObservableSource<? extends T> pub;
         try {
-            pub = ObjectHelper.requireNonNull(supplier.call(), "null publisher supplied");
+            pub = ObjectHelper.requireNonNull(supplier.call(), "null ObservableSource supplied");
         } catch (Throwable t) {
             Exceptions.throwIfFatal(t);
             EmptyDisposable.error(t, s);

src/main/java/io/reactivex/internal/operators/observable/ObservableMapNotification.java

@@ -88,7 +88,7 @@ public void onNext(T t) {
             ObservableSource<? extends R> p;
 
             try {
-                p = ObjectHelper.requireNonNull(onNextMapper.apply(t), "The onNext publisher returned is null");
+                p = ObjectHelper.requireNonNull(onNextMapper.apply(t), "The onNext ObservableSource returned is null");
             } catch (Throwable e) {
                 Exceptions.throwIfFatal(e);
                 actual.onError(e);
@@ -103,7 +103,7 @@ public void onError(Throwable t) {
             ObservableSource<? extends R> p;
 
             try {
-                p = ObjectHelper.requireNonNull(onErrorMapper.apply(t), "The onError publisher returned is null");
+                p = ObjectHelper.requireNonNull(onErrorMapper.apply(t), "The onError ObservableSource returned is null");
             } catch (Throwable e) {
                 Exceptions.throwIfFatal(e);
                 actual.onError(e);
@@ -119,7 +119,7 @@ public void onComplete() {
             ObservableSource<? extends R> p;
 
             try {
-                p = ObjectHelper.requireNonNull(onCompleteSupplier.call(), "The onComplete publisher returned is null");
+                p = ObjectHelper.requireNonNull(onCompleteSupplier.call(), "The onComplete ObservableSource returned is null");
             } catch (Throwable e) {
                 Exceptions.throwIfFatal(e);
                 actual.onError(e);

src/main/java/io/reactivex/observables/ConnectableObservable.java

@@ -14,7 +14,6 @@
 package io.reactivex.observables;
 
 import io.reactivex.annotations.NonNull;
-import org.reactivestreams.Subscriber;
 
 import io.reactivex.*;
 import io.reactivex.disposables.Disposable;
@@ -25,9 +24,9 @@
 import io.reactivex.plugins.RxJavaPlugins;
 
 /**
- * A {@code ConnectableObservable} resembles an ordinary {@link Flowable}, except that it does not begin
+ * A {@code ConnectableObservable} resembles an ordinary {@link Observable}, except that it does not begin
  * emitting items when it is subscribed to, but only when its {@link #connect} method is called. In this way you
- * can wait for all intended {@link Subscriber}s to {@link Flowable#subscribe} to the {@code Observable}
+ * can wait for all intended {@link Observer}s to {@link Observable#subscribe} to the {@code Observable}
  * before the {@code Observable} begins emitting items.
  * <p>
  * <img width="640" height="510" src="https://github.com/ReactiveX/RxJava/wiki/images/rx-operators/publishConnect.png" alt="">
@@ -41,7 +40,7 @@ public abstract class ConnectableObservable<T> extends Observable<T> {
 
     /**
      * Instructs the {@code ConnectableObservable} to begin emitting the items from its underlying
-     * {@link Flowable} to its {@link Subscriber}s.
+     * {@link Observable} to its {@link Observer}s.
      *
      * @param connection
      *          the action that receives the connection subscription before the subscription to source happens
@@ -52,7 +51,7 @@ public abstract class ConnectableObservable<T> extends Observable<T> {
 
     /**
      * Instructs the {@code ConnectableObservable} to begin emitting the items from its underlying
-     * {@link Flowable} to its {@link Subscriber}s.
+     * {@link Observable} to its {@link Observer}s.
      * <p>
      * To disconnect from a synchronous source, use the {@link #connect(Consumer)} method.
      *
@@ -79,18 +78,18 @@ public Observable<T> refCount() {
 
     /**
      * Returns an Observable that automatically connects to this ConnectableObservable
-     * when the first Subscriber subscribes.
+     * when the first Observer subscribes.
      *
      * @return an Observable that automatically connects to this ConnectableObservable
-     *         when the first Subscriber subscribes
+     *         when the first Observer subscribes
      */
     @NonNull
     public Observable<T> autoConnect() {
         return autoConnect(1);
     }
     /**
      * Returns an Observable that automatically connects to this ConnectableObservable
-     * when the specified number of Subscribers subscribe to it.
+     * when the specified number of Observers subscribe to it.
      *
      * @param numberOfSubscribers the number of subscribers to await before calling connect
      *                            on the ConnectableObservable. A non-positive value indicates

src/main/java/io/reactivex/subjects/SerializedSubject.java

@@ -20,8 +20,8 @@
 import io.reactivex.plugins.RxJavaPlugins;
 
 /**
- * Serializes calls to the Subscriber methods.
- * <p>All other Publisher and Subject methods are thread-safe by design.
+ * Serializes calls to the Observer methods.
+ * <p>All other Observable and Subject methods are thread-safe by design.
  *
  * @param <T> the item value type
  */

src/test/java/io/reactivex/single/SingleSubscribeTest.java

@@ -232,7 +232,7 @@ public void errorIsDisposed() {
     @Test
     public void biConsumerIsDisposedOnSuccess() {
         final Object[] result = { null, null };
-        
+
         Disposable d = Single.just(1)
         .subscribe(new BiConsumer<Integer, Throwable>() {
             @Override
@@ -241,7 +241,7 @@ public void accept(Integer t1, Throwable t2) throws Exception {
                 result[1] = t2;
             }
         });
-        
+
         assertTrue("Not disposed?!", d.isDisposed());
         assertEquals(1, result[0]);
         assertNull(result[1]);
@@ -250,7 +250,7 @@ public void accept(Integer t1, Throwable t2) throws Exception {
     @Test
     public void biConsumerIsDisposedOnError() {
         final Object[] result = { null, null };
-        
+
         Disposable d = Single.<Integer>error(new IOException())
         .subscribe(new BiConsumer<Integer, Throwable>() {
             @Override
@@ -259,7 +259,7 @@ public void accept(Integer t1, Throwable t2) throws Exception {
                 result[1] = t2;
             }
         });
-        
+
         assertTrue("Not disposed?!", d.isDisposed());
         assertNull(result[0]);
         assertTrue("" + result[1], result[1] instanceof IOException);