first tests with operators

.gitignore

@@ -21,3 +21,15 @@
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+
+# IntelliJ project files
+*.iml
+*.ipr
+*.iws
+
+
+build/
+out/
+.idea/
+.gradle/
+

build.gradle

@@ -1,9 +1,3 @@
-apply plugin: 'java'
-apply plugin: 'eclipse'
-apply plugin: 'idea'
-
-sourceCompatibility = 1.8
-
 buildscript {
     repositories {
         mavenCentral()
@@ -13,10 +7,23 @@ buildscript {
 
 group 'com.mgabriel'
 
+
+
+apply plugin: 'java'
+apply plugin: 'eclipse'
+apply plugin: 'idea'
+
+sourceCompatibility = 1.8
+
 def chronicleVersion = '4.6.77'
 def reactorVersion = '3.1.7.RELEASE'
 
+repositories {
+    mavenCentral()
+}
+
 dependencies {
+    compile "org.slf4j:slf4j-api:1.7.25"
     compile "io.projectreactor:reactor-core:$reactorVersion"
     compile "net.openhft:chronicle-queue:$chronicleVersion"
 }

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.8-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

src/main/java/com/mgabriel/chronicle/flux/FluxStore.java

@@ -0,0 +1,60 @@
+package com.mgabriel.chronicle.flux;
+
+import java.util.function.Function;
+
+import com.mgabriel.chronicle.flux.replay.ReplayFlux;
+import org.reactivestreams.Publisher;
+import reactor.core.Disposable;
+import reactor.core.publisher.Flux;
+
+/**
+ * Reactive store used to store and replay a Flux.
+ *
+ * @param <T> the value type
+ */
+public interface FluxStore<T> {
+
+    /**
+     * Stores all items of the given stream in the chronicle store.
+     *
+     * @param toStore data stream to store.
+     */
+    Disposable store(Publisher<T> toStore);
+
+    /**
+     * Stores one item in the chronicle store.
+     *
+     * @param item item to store.
+     */
+    void store(T item);
+
+    /**
+     * @return all values present in the store and new values being stored in this FluxStore.
+     */
+    default Flux<T> retrieveAll() {
+        return retrieveAll(false);
+    }
+
+    /**
+     * @param deleteAfterRead if true, the file storing the data on disk will be deleted once it has been read.
+     * @return all values present in the store and new values being stored in this FluxStore.
+     */
+    Flux<T> retrieveAll(boolean deleteAfterRead);
+
+    /**
+     * @return all values present in the store and completes the stream.
+     */
+    Flux<T> retrieveHistory();
+
+    /**
+     * @return the stream of new values being stored in this FluxStore (history is ignored).
+     */
+    Flux<T> retrieveNewValues();
+
+    /**
+     * @param timestampExtractor a function to extract the epoch time from the values.
+     * @return a Flux that can be used to replay the history with multiple strategies.
+     */
+    ReplayFlux<T> replayHistory(Function<T, Long> timestampExtractor);
+
+}

src/main/java/com/mgabriel/chronicle/flux/WrappedValue.java

@@ -0,0 +1,5 @@
+package com.mgabriel.chronicle.flux;
+
+public interface WrappedValue<T> {
+    T value();
+}

src/main/java/com/mgabriel/chronicle/flux/replay/ReplayFlux.java

@@ -0,0 +1,31 @@
+package com.mgabriel.chronicle.flux.replay;
+
+import java.time.Duration;
+import java.util.function.Function;
+
+import reactor.core.CoreSubscriber;
+import reactor.core.publisher.Flux;
+
+public class ReplayFlux<T> extends Flux<T> {
+
+    private final Flux<T> source;
+    private final Function<T, Long> timestampExtractor;
+
+    public ReplayFlux(Flux<T> source, Function<T, Long> timestampExtractor) {
+        this.source = source;
+        this.timestampExtractor = timestampExtractor;
+    }
+
+    @Override
+    public void subscribe(CoreSubscriber<? super T> actual) {
+
+    }
+
+    public ReplayLoopFlux<T> inLoop(){
+        return inLoop(Duration.ofMillis(0));
+    }
+
+    public ReplayLoopFlux<T> inLoop(Duration delayBeforeLoopRestart){
+        return new ReplayLoopFlux<>(source, timestampExtractor, delayBeforeLoopRestart);
+    }
+}

src/main/java/com/mgabriel/chronicle/flux/replay/ReplayInLoop.java

@@ -0,0 +1,62 @@
+package com.mgabriel.chronicle.flux.replay;
+
+import java.time.Duration;
+import java.time.Instant;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.function.Function;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.jetbrains.annotations.NotNull;
+import org.reactivestreams.Publisher;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.FluxSink;
+
+public class ReplayInLoop<T> implements Function<Flux<T>, Publisher<ReplayValue<T>>> {
+    private static final Logger LOGGER = LoggerFactory.getLogger(ReplayInLoop.class);
+    private final Duration delayBeforeRestart;
+
+    public ReplayInLoop(Duration delayBeforeRestart) {
+        this.delayBeforeRestart = delayBeforeRestart;
+    }
+
+    @Override
+    public Publisher<ReplayValue<T>> apply(Flux<T> source) {
+        Flux<Flux<ReplayValue<T>>> generate = Flux.create(sink -> {
+                    while (!sink.isCancelled()) {
+                        long requested = sink.requestedFromDownstream();
+                        if (requested > 0) {
+                            wrapValues(source, sink);
+                        } else {
+                            try {
+                                Thread.sleep(100);
+                            } catch (InterruptedException e) {
+                                Thread.currentThread().interrupt();
+                                LOGGER.info("interrupted " + e);
+                            }
+                        }
+                    }
+                }
+        );
+        Flux<Flux<ReplayValue<T>>> limited = generate.limitRate(1);
+        return Flux.concat(limited);
+    }
+
+    private void wrapValues(Flux<T> source, FluxSink<Flux<ReplayValue<T>>> sink) {
+        AtomicBoolean firstValueSent = new AtomicBoolean(false);
+        Flux<ReplayValue<T>> nextFlux = source.delaySequence(delayBeforeRestart).map(wrapAsReplayValue(firstValueSent)).doOnNext(v -> System.out
+                .println("\t\t\taaaa "+ Instant.now()+"   " +v));
+        sink.next(Flux.defer(() -> nextFlux));
+    }
+
+    @NotNull
+    private Function<T, ReplayValue<T>> wrapAsReplayValue(AtomicBoolean firstValueSent) {
+        return v -> {
+            if (!firstValueSent.getAndSet(true)) {
+                return new ReplayValueImpl<>(true, v);
+            }
+            return new ReplayValueImpl<>(v);
+        };
+    }
+}

src/main/java/com/mgabriel/chronicle/flux/replay/ReplayLoopFlux.java

@@ -0,0 +1,25 @@
+package com.mgabriel.chronicle.flux.replay;
+
+import java.time.Duration;
+import java.util.function.Function;
+
+import reactor.core.CoreSubscriber;
+import reactor.core.publisher.Flux;
+
+public class ReplayLoopFlux<T> extends Flux<ReplayValue<T>> {
+
+    private final Flux<T> source;
+    private final Function<T, Long> timestampExtractor;
+    private final Duration delayBeforeLoopRestart;
+
+    public ReplayLoopFlux(Flux<T> source, Function<T, Long> timestampExtractor, Duration delayBeforeLoopRestart) {
+        this.source = source;
+        this.timestampExtractor = timestampExtractor;
+        this.delayBeforeLoopRestart = delayBeforeLoopRestart;
+    }
+
+    @Override
+    public void subscribe(CoreSubscriber<? super ReplayValue<T>> actual) {
+
+    }
+}

src/main/java/com/mgabriel/chronicle/flux/replay/ReplayValue.java

@@ -0,0 +1,11 @@
+package com.mgabriel.chronicle.flux.replay;
+
+import com.mgabriel.chronicle.flux.WrappedValue;
+
+public interface ReplayValue<T> extends WrappedValue<T> {
+
+    /**
+     * @return true if this object is the loop reset signal (meaning that the replay loop has restarted from the beginning)
+     */
+    boolean isLoopReset();
+}

src/main/java/com/mgabriel/chronicle/flux/replay/ReplayValueImpl.java

@@ -0,0 +1,52 @@
+package com.mgabriel.chronicle.flux.replay;
+
+import java.util.Objects;
+
+public class ReplayValueImpl<T> implements ReplayValue<T>{
+    private final boolean isLoopReset;
+    private final T value;
+
+    public ReplayValueImpl(T value) {
+        this.isLoopReset = false;
+        this.value = value;
+    }
+
+    public ReplayValueImpl(boolean isLoopReset, T value) {
+        this.isLoopReset = isLoopReset;
+        this.value = value;
+    }
+
+    @Override
+    public boolean isLoopReset() {
+        return isLoopReset;
+    }
+
+    @Override
+    public T value() {
+        return value;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o)
+            return true;
+        if (o == null || getClass() != o.getClass())
+            return false;
+        ReplayValueImpl<?> that = (ReplayValueImpl<?>) o;
+        return isLoopReset == that.isLoopReset &&
+                Objects.equals(value, that.value);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(isLoopReset, value);
+    }
+
+    @Override
+    public String toString() {
+        return "ReplayValueImpl{" +
+                "isLoopReset=" + isLoopReset +
+                ", value=" + value +
+                '}';
+    }
+}

src/main/java/com/mgabriel/chronicle/flux/replay/ReplayWithOriginalTiming.java

@@ -0,0 +1,65 @@
+package com.mgabriel.chronicle.flux.replay;
+
+import static java.time.Duration.ofMillis;
+
+import java.util.function.Function;
+import java.util.function.Predicate;
+
+import org.reactivestreams.Publisher;
+import reactor.core.publisher.Flux;
+
+public class ReplayWithOriginalTiming<T> implements Function<Flux<T>, Publisher<T>> {
+    private final Function<T, Long> timestampExtractor;
+    private final Timed<T> TOKEN = new TimedValue<>(0, null);
+
+    public ReplayWithOriginalTiming(Function<T, Long> timestampExtractor) {
+        this.timestampExtractor = timestampExtractor;
+    }
+
+    @Override
+    public Publisher<T> apply(Flux<T> source) {
+        Flux<Timed<T>> timedFlux = source.map(v -> new TimedValue<>(timestampExtractor.apply(v), v));
+        return timedFlux.scan(new TimedValuePair<>(TOKEN, TOKEN),
+                (acc, val) -> new TimedValuePair<>(acc.second, val))
+                .filter(filterFirstValue())
+                .map(calculateDelay())
+                .delayUntil(applyDelay())
+                .map(ValueToDelay::value);
+    }
+
+    private Predicate<TimedValuePair<T>> filterFirstValue() {
+        return tvp -> tvp.second != TOKEN;
+    }
+
+    private Function<TimedValuePair<T>, ValueToDelay<T>> calculateDelay() {
+        return tvp -> {
+            long timeDifference = tvp.timeDifference();
+            if (timeDifference < 0 || tvp.first == TOKEN) {
+                timeDifference = 0;
+            }
+            return new ValueToDelay<>(timeDifference, tvp.second.value());
+        };
+    }
+
+    private Function<ValueToDelay<T>, Publisher<?>> applyDelay() {
+        return vtd -> {
+            return Flux.just(TOKEN).delayElements(ofMillis(vtd.delay()));};
+    }
+
+    private static class TimedValuePair<T> {
+        private final Timed<T> first;
+        private final Timed<T> second;
+
+        private TimedValuePair(Timed<T> first, Timed<T> second) {
+            if (first == null || second == null) {
+                throw new IllegalArgumentException("values should not be null");
+            }
+            this.first = first;
+            this.second = second;
+        }
+
+        long timeDifference() {
+            return second.time() - first.time();
+        }
+    }
+}

src/main/java/com/mgabriel/chronicle/flux/replay/Timed.java

@@ -0,0 +1,7 @@
+package com.mgabriel.chronicle.flux.replay;
+
+import com.mgabriel.chronicle.flux.WrappedValue;
+
+public interface Timed<T>  extends WrappedValue<T> {
+    long time();
+}

src/main/java/com/mgabriel/chronicle/flux/replay/TimedReplayValue.java

@@ -0,0 +1,4 @@
+package com.mgabriel.chronicle.flux.replay;
+
+public interface TimedReplayValue<T> extends Timed<T>, ReplayValue<T>{
+}

src/main/java/com/mgabriel/chronicle/flux/replay/TimedValue.java

@@ -0,0 +1,44 @@
+package com.mgabriel.chronicle.flux.replay;
+
+import java.util.Objects;
+
+public class TimedValue<T> implements Timed<T> {
+    private final long time;
+    private final T value;
+
+    public TimedValue(long time, T value) {
+        this.time = time;
+        this.value = value;
+    }
+
+    @Override
+    public T value() {
+        return value;
+    }
+
+    @Override
+    public long time() {
+        return time;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o)
+            return true;
+        if (o == null || getClass() != o.getClass())
+            return false;
+        TimedValue<?> that = (TimedValue<?>) o;
+        return time == that.time &&
+                Objects.equals(value, that.value);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(time, value);
+    }
+
+    @Override
+    public String toString() {
+        return super.toString();
+    }
+}

src/main/java/com/mgabriel/chronicle/flux/replay/ValueToDelay.java

@@ -0,0 +1,22 @@
+package com.mgabriel.chronicle.flux.replay;
+
+import com.mgabriel.chronicle.flux.WrappedValue;
+
+class ValueToDelay<T> implements WrappedValue<T> {
+    private final long delay;
+    private final T value;
+
+    ValueToDelay(long delay, T value) {
+        this.delay = delay;
+        this.value = value;
+    }
+
+    @Override
+    public T value() {
+        return value;
+    }
+
+    public long delay() {
+        return delay;
+    }
+}

src/test/java/com/mgabriel/chronicle/flux/replay/ReplayLoopDemo.java

@@ -0,0 +1,20 @@
+package com.mgabriel.chronicle.flux.replay;
+
+import java.time.Duration;
+import java.time.Instant;
+
+import reactor.core.publisher.Flux;
+
+public class ReplayLoopDemo {
+
+    public static void main(String[] args) {
+
+        Flux<Long> just = Flux.just(0L, 1L, 2L, 3L, 4L, 5L);
+
+        Flux<ReplayValue<Long>> result = just.compose(new ReplayInLoop<>(Duration.ofSeconds(2)));
+
+        result.doOnNext(i -> System.out.println(Instant.now() + " " + i)).blockLast();
+
+    }
+
+}

src/test/java/com/mgabriel/chronicle/flux/replay/ReplayWithOriginalTimingDemo.java

@@ -0,0 +1,21 @@
+package com.mgabriel.chronicle.flux.replay;
+
+import java.time.Duration;
+import java.time.Instant;
+
+import reactor.core.publisher.Flux;
+
+public class ReplayWithOriginalTimingDemo {
+
+    public static void main(String[] args) {
+
+        Flux<Long> just = Flux.just(0L, 1000L, 2000L, 3000L, 4000L, 7000L);
+
+//        Flux<ReplayValue<Long>> result = just.compose(new ReplayWithOriginalTiming<>(l -> l)).compose(new ReplayInLoop<>(Duration.ofSeconds(1)));
+        Flux<ReplayValue<Long>> result = just.compose(new ReplayInLoop<>(Duration.ofSeconds(1))).compose(new ReplayWithOriginalTiming<>(l -> l.value()));
+
+        result.doOnNext(i -> System.out.println(Instant.now() + " " + i)).blockLast();
+
+    }
+
+}