├── .gitignore ├── .mvn └── wrapper │ ├── maven-wrapper.jar │ └── maven-wrapper.properties ├── How (Not) to Use Reactive Streams in Java 9+.pdf ├── Jak (nie) używać Reactive Streams w Javie 9+.pdf ├── mvnw ├── mvnw.cmd ├── pom.xml └── src ├── main └── java │ └── org │ └── kunicki │ └── reactive │ ├── dyi │ └── SimplePublisher.java │ └── integration │ └── IntegrationApp.java └── test └── java └── org └── kunicki └── reactive └── dyi └── SimplePublisherTest.java /.gitignore: -------------------------------------------------------------------------------- 1 | .idea/ 2 | target/ 3 | 4 | -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/rucek/reactive-streams-java9/0970fc2c474661b52f1f2f5af57a9d32af05772c/.mvn/wrapper/maven-wrapper.jar -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.2/apache-maven-3.5.2-bin.zip -------------------------------------------------------------------------------- /How (Not) to Use Reactive Streams in Java 9+.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/rucek/reactive-streams-java9/0970fc2c474661b52f1f2f5af57a9d32af05772c/How (Not) to Use Reactive Streams in Java 9+.pdf -------------------------------------------------------------------------------- /Jak (nie) używać Reactive Streams w Javie 9+.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/rucek/reactive-streams-java9/0970fc2c474661b52f1f2f5af57a9d32af05772c/Jak (nie) używać Reactive Streams w Javie 9+.pdf -------------------------------------------------------------------------------- /mvnw: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # ---------------------------------------------------------------------------- 3 | # Licensed to the Apache Software Foundation (ASF) under one 4 | # or more contributor license agreements. See the NOTICE file 5 | # distributed with this work for additional information 6 | # regarding copyright ownership. The ASF licenses this file 7 | # to you under the Apache License, Version 2.0 (the 8 | # "License"); you may not use this file except in compliance 9 | # with the License. You may obtain a copy of the License at 10 | # 11 | # http://www.apache.org/licenses/LICENSE-2.0 12 | # 13 | # Unless required by applicable law or agreed to in writing, 14 | # software distributed under the License is distributed on an 15 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 | # KIND, either express or implied. See the License for the 17 | # specific language governing permissions and limitations 18 | # under the License. 19 | # ---------------------------------------------------------------------------- 20 | 21 | # ---------------------------------------------------------------------------- 22 | # Maven2 Start Up Batch script 23 | # 24 | # Required ENV vars: 25 | # ------------------ 26 | # JAVA_HOME - location of a JDK home dir 27 | # 28 | # Optional ENV vars 29 | # ----------------- 30 | # M2_HOME - location of maven2's installed home dir 31 | # MAVEN_OPTS - parameters passed to the Java VM when running Maven 32 | # e.g. to debug Maven itself, use 33 | # set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 34 | # MAVEN_SKIP_RC - flag to disable loading of mavenrc files 35 | # ---------------------------------------------------------------------------- 36 | 37 | if [ -z "$MAVEN_SKIP_RC" ] ; then 38 | 39 | if [ -f /etc/mavenrc ] ; then 40 | . /etc/mavenrc 41 | fi 42 | 43 | if [ -f "$HOME/.mavenrc" ] ; then 44 | . "$HOME/.mavenrc" 45 | fi 46 | 47 | fi 48 | 49 | # OS specific support. $var _must_ be set to either true or false. 50 | cygwin=false; 51 | darwin=false; 52 | mingw=false 53 | case "`uname`" in 54 | CYGWIN*) cygwin=true ;; 55 | MINGW*) mingw=true;; 56 | Darwin*) darwin=true 57 | # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home 58 | # See https://developer.apple.com/library/mac/qa/qa1170/_index.html 59 | if [ -z "$JAVA_HOME" ]; then 60 | if [ -x "/usr/libexec/java_home" ]; then 61 | export JAVA_HOME="`/usr/libexec/java_home`" 62 | else 63 | export JAVA_HOME="/Library/Java/Home" 64 | fi 65 | fi 66 | ;; 67 | esac 68 | 69 | if [ -z "$JAVA_HOME" ] ; then 70 | if [ -r /etc/gentoo-release ] ; then 71 | JAVA_HOME=`java-config --jre-home` 72 | fi 73 | fi 74 | 75 | if [ -z "$M2_HOME" ] ; then 76 | ## resolve links - $0 may be a link to maven's home 77 | PRG="$0" 78 | 79 | # need this for relative symlinks 80 | while [ -h "$PRG" ] ; do 81 | ls=`ls -ld "$PRG"` 82 | link=`expr "$ls" : '.*-> \(.*\)$'` 83 | if expr "$link" : '/.*' > /dev/null; then 84 | PRG="$link" 85 | else 86 | PRG="`dirname "$PRG"`/$link" 87 | fi 88 | done 89 | 90 | saveddir=`pwd` 91 | 92 | M2_HOME=`dirname "$PRG"`/.. 93 | 94 | # make it fully qualified 95 | M2_HOME=`cd "$M2_HOME" && pwd` 96 | 97 | cd "$saveddir" 98 | # echo Using m2 at $M2_HOME 99 | fi 100 | 101 | # For Cygwin, ensure paths are in UNIX format before anything is touched 102 | if $cygwin ; then 103 | [ -n "$M2_HOME" ] && 104 | M2_HOME=`cygpath --unix "$M2_HOME"` 105 | [ -n "$JAVA_HOME" ] && 106 | JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 107 | [ -n "$CLASSPATH" ] && 108 | CLASSPATH=`cygpath --path --unix "$CLASSPATH"` 109 | fi 110 | 111 | # For Mingw, ensure paths are in UNIX format before anything is touched 112 | if $mingw ; then 113 | [ -n "$M2_HOME" ] && 114 | M2_HOME="`(cd "$M2_HOME"; pwd)`" 115 | [ -n "$JAVA_HOME" ] && 116 | JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" 117 | # TODO classpath? 118 | fi 119 | 120 | if [ -z "$JAVA_HOME" ]; then 121 | javaExecutable="`which javac`" 122 | if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then 123 | # readlink(1) is not available as standard on Solaris 10. 124 | readLink=`which readlink` 125 | if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then 126 | if $darwin ; then 127 | javaHome="`dirname \"$javaExecutable\"`" 128 | javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" 129 | else 130 | javaExecutable="`readlink -f \"$javaExecutable\"`" 131 | fi 132 | javaHome="`dirname \"$javaExecutable\"`" 133 | javaHome=`expr "$javaHome" : '\(.*\)/bin'` 134 | JAVA_HOME="$javaHome" 135 | export JAVA_HOME 136 | fi 137 | fi 138 | fi 139 | 140 | if [ -z "$JAVACMD" ] ; then 141 | if [ -n "$JAVA_HOME" ] ; then 142 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 143 | # IBM's JDK on AIX uses strange locations for the executables 144 | JAVACMD="$JAVA_HOME/jre/sh/java" 145 | else 146 | JAVACMD="$JAVA_HOME/bin/java" 147 | fi 148 | else 149 | JAVACMD="`which java`" 150 | fi 151 | fi 152 | 153 | if [ ! -x "$JAVACMD" ] ; then 154 | echo "Error: JAVA_HOME is not defined correctly." >&2 155 | echo " We cannot execute $JAVACMD" >&2 156 | exit 1 157 | fi 158 | 159 | if [ -z "$JAVA_HOME" ] ; then 160 | echo "Warning: JAVA_HOME environment variable is not set." 161 | fi 162 | 163 | CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher 164 | 165 | # traverses directory structure from process work directory to filesystem root 166 | # first directory with .mvn subdirectory is considered project base directory 167 | find_maven_basedir() { 168 | 169 | if [ -z "$1" ] 170 | then 171 | echo "Path not specified to find_maven_basedir" 172 | return 1 173 | fi 174 | 175 | basedir="$1" 176 | wdir="$1" 177 | while [ "$wdir" != '/' ] ; do 178 | if [ -d "$wdir"/.mvn ] ; then 179 | basedir=$wdir 180 | break 181 | fi 182 | # workaround for JBEAP-8937 (on Solaris 10/Sparc) 183 | if [ -d "${wdir}" ]; then 184 | wdir=`cd "$wdir/.."; pwd` 185 | fi 186 | # end of workaround 187 | done 188 | echo "${basedir}" 189 | } 190 | 191 | # concatenates all lines of a file 192 | concat_lines() { 193 | if [ -f "$1" ]; then 194 | echo "$(tr -s '\n' ' ' < "$1")" 195 | fi 196 | } 197 | 198 | BASE_DIR=`find_maven_basedir "$(pwd)"` 199 | if [ -z "$BASE_DIR" ]; then 200 | exit 1; 201 | fi 202 | 203 | export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} 204 | if [ "$MVNW_VERBOSE" = true ]; then 205 | echo $MAVEN_PROJECTBASEDIR 206 | fi 207 | MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" 208 | 209 | # For Cygwin, switch paths to Windows format before running java 210 | if $cygwin; then 211 | [ -n "$M2_HOME" ] && 212 | M2_HOME=`cygpath --path --windows "$M2_HOME"` 213 | [ -n "$JAVA_HOME" ] && 214 | JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` 215 | [ -n "$CLASSPATH" ] && 216 | CLASSPATH=`cygpath --path --windows "$CLASSPATH"` 217 | [ -n "$MAVEN_PROJECTBASEDIR" ] && 218 | MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` 219 | fi 220 | 221 | WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 222 | 223 | exec "$JAVACMD" \ 224 | $MAVEN_OPTS \ 225 | -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ 226 | "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ 227 | ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" 228 | -------------------------------------------------------------------------------- /mvnw.cmd: -------------------------------------------------------------------------------- 1 | @REM ---------------------------------------------------------------------------- 2 | @REM Licensed to the Apache Software Foundation (ASF) under one 3 | @REM or more contributor license agreements. See the NOTICE file 4 | @REM distributed with this work for additional information 5 | @REM regarding copyright ownership. The ASF licenses this file 6 | @REM to you under the Apache License, Version 2.0 (the 7 | @REM "License"); you may not use this file except in compliance 8 | @REM with the License. You may obtain a copy of the License at 9 | @REM 10 | @REM http://www.apache.org/licenses/LICENSE-2.0 11 | @REM 12 | @REM Unless required by applicable law or agreed to in writing, 13 | @REM software distributed under the License is distributed on an 14 | @REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 | @REM KIND, either express or implied. See the License for the 16 | @REM specific language governing permissions and limitations 17 | @REM under the License. 18 | @REM ---------------------------------------------------------------------------- 19 | 20 | @REM ---------------------------------------------------------------------------- 21 | @REM Maven2 Start Up Batch script 22 | @REM 23 | @REM Required ENV vars: 24 | @REM JAVA_HOME - location of a JDK home dir 25 | @REM 26 | @REM Optional ENV vars 27 | @REM M2_HOME - location of maven2's installed home dir 28 | @REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands 29 | @REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending 30 | @REM MAVEN_OPTS - parameters passed to the Java VM when running Maven 31 | @REM e.g. to debug Maven itself, use 32 | @REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 33 | @REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files 34 | @REM ---------------------------------------------------------------------------- 35 | 36 | @REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' 37 | @echo off 38 | @REM set title of command window 39 | title %0 40 | @REM enable echoing my setting MAVEN_BATCH_ECHO to 'on' 41 | @if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% 42 | 43 | @REM set %HOME% to equivalent of $HOME 44 | if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") 45 | 46 | @REM Execute a user defined script before this one 47 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre 48 | @REM check for pre script, once with legacy .bat ending and once with .cmd ending 49 | if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" 50 | if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" 51 | :skipRcPre 52 | 53 | @setlocal 54 | 55 | set ERROR_CODE=0 56 | 57 | @REM To isolate internal variables from possible post scripts, we use another setlocal 58 | @setlocal 59 | 60 | @REM ==== START VALIDATION ==== 61 | if not "%JAVA_HOME%" == "" goto OkJHome 62 | 63 | echo. 64 | echo Error: JAVA_HOME not found in your environment. >&2 65 | echo Please set the JAVA_HOME variable in your environment to match the >&2 66 | echo location of your Java installation. >&2 67 | echo. 68 | goto error 69 | 70 | :OkJHome 71 | if exist "%JAVA_HOME%\bin\java.exe" goto init 72 | 73 | echo. 74 | echo Error: JAVA_HOME is set to an invalid directory. >&2 75 | echo JAVA_HOME = "%JAVA_HOME%" >&2 76 | echo Please set the JAVA_HOME variable in your environment to match the >&2 77 | echo location of your Java installation. >&2 78 | echo. 79 | goto error 80 | 81 | @REM ==== END VALIDATION ==== 82 | 83 | :init 84 | 85 | @REM Find the project base dir, i.e. the directory that contains the folder ".mvn". 86 | @REM Fallback to current working directory if not found. 87 | 88 | set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% 89 | IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir 90 | 91 | set EXEC_DIR=%CD% 92 | set WDIR=%EXEC_DIR% 93 | :findBaseDir 94 | IF EXIST "%WDIR%"\.mvn goto baseDirFound 95 | cd .. 96 | IF "%WDIR%"=="%CD%" goto baseDirNotFound 97 | set WDIR=%CD% 98 | goto findBaseDir 99 | 100 | :baseDirFound 101 | set MAVEN_PROJECTBASEDIR=%WDIR% 102 | cd "%EXEC_DIR%" 103 | goto endDetectBaseDir 104 | 105 | :baseDirNotFound 106 | set MAVEN_PROJECTBASEDIR=%EXEC_DIR% 107 | cd "%EXEC_DIR%" 108 | 109 | :endDetectBaseDir 110 | 111 | IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig 112 | 113 | @setlocal EnableExtensions EnableDelayedExpansion 114 | for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a 115 | @endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% 116 | 117 | :endReadAdditionalConfig 118 | 119 | SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" 120 | 121 | set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" 122 | set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 123 | 124 | %MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* 125 | if ERRORLEVEL 1 goto error 126 | goto end 127 | 128 | :error 129 | set ERROR_CODE=1 130 | 131 | :end 132 | @endlocal & set ERROR_CODE=%ERROR_CODE% 133 | 134 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost 135 | @REM check for post script, once with legacy .bat ending and once with .cmd ending 136 | if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" 137 | if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" 138 | :skipRcPost 139 | 140 | @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' 141 | if "%MAVEN_BATCH_PAUSE%" == "on" pause 142 | 143 | if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% 144 | 145 | exit /B %ERROR_CODE% 146 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 3 | 4.0.0 4 | 5 | org.kunicki 6 | reactive-streams-java9 7 | 1.0-SNAPSHOT 8 | jar 9 | 10 | reactive-streams-java9 11 | http://maven.apache.org 12 | 13 | 14 | UTF-8 15 | 10 16 | 10 17 | 18 | 19 | 20 | 21 | com.typesafe.akka 22 | akka-stream_2.12 23 | 2.5.12 24 | 25 | 26 | io.projectreactor 27 | reactor-core 28 | 3.1.6.RELEASE 29 | 30 | 31 | io.reactivex.rxjava2 32 | rxjava 33 | 2.1.13 34 | 35 | 36 | 37 | 38 | org.reactivestreams 39 | reactive-streams-tck-flow 40 | 1.0.2 41 | 42 | 43 | 44 | -------------------------------------------------------------------------------- /src/main/java/org/kunicki/reactive/dyi/SimplePublisher.java: -------------------------------------------------------------------------------- 1 | package org.kunicki.reactive.dyi; 2 | 3 | import java.util.Iterator; 4 | import java.util.concurrent.Flow; 5 | import java.util.concurrent.atomic.AtomicBoolean; 6 | import java.util.stream.IntStream; 7 | 8 | public class SimplePublisher implements Flow.Publisher { 9 | 10 | private final Iterator iterator; 11 | 12 | SimplePublisher(int count) { 13 | this.iterator = IntStream.rangeClosed(1, count).iterator(); 14 | } 15 | 16 | @Override 17 | public void subscribe(Flow.Subscriber subscriber) { 18 | subscriber.onSubscribe(new SimpleSubscription(subscriber)); 19 | } 20 | 21 | public static void main(String[] args) { 22 | new SimplePublisher(10).subscribe(new Flow.Subscriber<>() { 23 | @Override 24 | public void onSubscribe(Flow.Subscription subscription) { 25 | 26 | } 27 | 28 | @Override 29 | public void onNext(Integer item) { 30 | System.out.println("item = [" + item + "]"); 31 | } 32 | 33 | @Override 34 | public void onError(Throwable throwable) { 35 | System.out.println("throwable = [" + throwable + "]"); 36 | } 37 | 38 | @Override 39 | public void onComplete() { 40 | System.out.println("complete"); 41 | } 42 | }); 43 | } 44 | 45 | private class SimpleSubscription implements Flow.Subscription { 46 | 47 | private final Flow.Subscriber subscriber; 48 | private final AtomicBoolean terminated = new AtomicBoolean(false); 49 | 50 | public SimpleSubscription(Flow.Subscriber subscriber) { 51 | this.subscriber = subscriber; 52 | } 53 | 54 | @Override 55 | public void request(long n) { 56 | if (n <= 0) { 57 | subscriber.onError(new IllegalArgumentException()); 58 | } 59 | 60 | for (long demand = n; demand > 0 && iterator.hasNext() && !terminated.get(); demand--) { 61 | subscriber.onNext(iterator.next()); 62 | } 63 | 64 | if (!iterator.hasNext() && !terminated.getAndSet(true)) { 65 | subscriber.onComplete(); 66 | } 67 | } 68 | 69 | @Override 70 | public void cancel() { 71 | terminated.set(true); 72 | } 73 | } 74 | } 75 | -------------------------------------------------------------------------------- /src/main/java/org/kunicki/reactive/integration/IntegrationApp.java: -------------------------------------------------------------------------------- 1 | package org.kunicki.reactive.integration; 2 | 3 | import akka.actor.ActorSystem; 4 | import akka.stream.ActorMaterializer; 5 | import akka.stream.javadsl.Flow; 6 | import akka.stream.javadsl.JavaFlowSupport; 7 | import io.reactivex.Flowable; 8 | import org.reactivestreams.FlowAdapters; 9 | import reactor.adapter.JdkFlowAdapter; 10 | import reactor.core.publisher.Flux; 11 | 12 | import java.time.Duration; 13 | import java.util.concurrent.Flow.Processor; 14 | import java.util.concurrent.Flow.Publisher; 15 | 16 | public class IntegrationApp { 17 | 18 | public static void main(String[] args) { 19 | var reactorPublisher = reactorPublisher(); 20 | var akkaStreamsProcessor = akkaStreamsProcessor(); 21 | 22 | reactorPublisher.subscribe(akkaStreamsProcessor); 23 | 24 | Flowable 25 | .fromPublisher(FlowAdapters.toProcessor(akkaStreamsProcessor)) 26 | .subscribe(System.out::println); 27 | } 28 | 29 | private static Publisher reactorPublisher() { 30 | var numberFlux = Flux.interval(Duration.ofSeconds(1)); 31 | return JdkFlowAdapter.publisherToFlowPublisher(numberFlux); 32 | } 33 | 34 | private static Processor akkaStreamsProcessor() { 35 | var negatingFlow = Flow.of(Long.class).map(i -> -i); 36 | return JavaFlowSupport.Flow.toProcessor(negatingFlow).run(materializer); 37 | } 38 | 39 | private static ActorSystem actorSystem = ActorSystem.create(); 40 | private static ActorMaterializer materializer = ActorMaterializer.create(actorSystem); 41 | } 42 | -------------------------------------------------------------------------------- /src/test/java/org/kunicki/reactive/dyi/SimplePublisherTest.java: -------------------------------------------------------------------------------- 1 | package org.kunicki.reactive.dyi; 2 | 3 | import org.reactivestreams.tck.TestEnvironment; 4 | import org.reactivestreams.tck.flow.FlowPublisherVerification; 5 | 6 | import java.util.concurrent.Flow; 7 | 8 | public class SimplePublisherTest extends FlowPublisherVerification { 9 | 10 | public SimplePublisherTest() { 11 | super(new TestEnvironment()); 12 | } 13 | 14 | @Override 15 | public Flow.Publisher createFlowPublisher(long elements) { 16 | return new SimplePublisher((int) elements); 17 | } 18 | 19 | @Override 20 | public Flow.Publisher createFailedFlowPublisher() { 21 | return null; 22 | } 23 | } 24 | --------------------------------------------------------------------------------