migrate to gradle

.gitignore

@@ -4,3 +4,7 @@ out/*
 target
 
 settings.xml
+
+.gradle/
+build/
+out/

build.gradle

@@ -0,0 +1,43 @@
+project.version = "0.0.1"
+project.group = "com.github.insanusmokrassar"
+
+buildscript {
+    repositories {
+        mavenLocal()
+        jcenter()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
+        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:$gradle_bintray_plugin_version"
+    }
+}
+
+apply plugin: 'java-library'
+apply plugin: 'kotlin'
+apply plugin: 'kotlinx-serialization'
+
+repositories {
+    mavenLocal()
+    jcenter()
+    mavenCentral()
+    maven { url "https://kotlin.bintray.com/kotlinx" }
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-runtime:$kotlin_serialisation_runtime_version"
+    implementation "joda-time:joda-time:$joda_time_version"
+
+    // Use JUnit test framework
+    testImplementation 'junit:junit:4.12'
+}
+
+compileKotlin {
+    kotlinOptions {
+        freeCompilerArgs = [ disableImplicitReflectionSerializerAnnotation ]
+    }
+}

gradle.properties

@@ -0,0 +1,10 @@
+kotlin.code.style=official
+kotlin_version=1.3.21
+kotlin_coroutines_version=1.1.1
+kotlin_serialisation_runtime_version=0.10.0
+joda_time_version=2.10.1
+ktor_version=1.1.2
+
+gradle_bintray_plugin_version=1.8.4
+
+disableImplicitReflectionSerializerAnnotation=-Xexperimental=kotlinx.serialization.ImplicitReflectionSerializer

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Fri Mar 15 10:26:54 HKT 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.2.1-bin.zip

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

settings.gradle

@@ -0,0 +1,18 @@
+/*
+ * This settings file was generated by the Gradle 'init' task.
+ *
+ * The settings file is used to specify which projects to include in your build.
+ * In a single project build this file can be empty or even removed.
+ *
+ * Detailed information about configuring a multi-project build in Gradle can be found
+ * in the user guide at https://docs.gradle.org/3.4.1/userguide/multi_project_builds.html
+ */
+
+/*
+// To declare projects as part of a multi-project build use the 'include' method
+include 'shared'
+include 'api'
+include 'services:webservice'
+*/
+
+rootProject.name = 'PsychomatrixBase'

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/data/repository/HistoryDatesRepository.kt

@@ -1,7 +1,7 @@
 package com.github.insanusmokrassar.PsychomatrixBase.data.repository
 
-import kotlinx.coroutines.experimental.Deferred
+import kotlinx.coroutines.Deferred
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
+import kotlinx.coroutines.channels.ReceiveChannel
 import org.joda.time.DateTime
 
 interface HistoryDatesRepository {

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/data/repository/realisations/HistoryDatesRepositoryImpl.kt

@@ -2,21 +2,21 @@ package com.github.insanusmokrassar.PsychomatrixBase.data.repository.realisation
 
 import com.github.insanusmokrassar.PsychomatrixBase.data.repository.HistoryDatesRepository
 import com.github.insanusmokrassar.PsychomatrixBase.domain.UseCases.CalculatePsychomatrixByDateUseCase
-import com.github.insanusmokrassar.PsychomatrixBase.utils.extensions.SUBSCRIPTIONS_EXTRA_SMALL
 import com.github.insanusmokrassar.PsychomatrixBase.utils.extensions.subscribe
-import kotlinx.coroutines.experimental.*
+import kotlinx.coroutines.*
-import kotlinx.coroutines.experimental.channels.BroadcastChannel
+import kotlinx.coroutines.channels.BroadcastChannel
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
+import kotlinx.coroutines.channels.ReceiveChannel
 import org.joda.time.DateTime
 
 abstract class HistoryDatesRepositoryImpl(
     calculatePsychomatrixByDateUseCase: CalculatePsychomatrixByDateUseCase
 ) : HistoryDatesRepository {
-    private val dateAddedBroadcast = BroadcastChannel<DateTime>(SUBSCRIPTIONS_EXTRA_SMALL)
+    private val scope = CoroutineScope(Dispatchers.Default)
-    private val dateRemovedBroadcast = BroadcastChannel<DateTime>(SUBSCRIPTIONS_EXTRA_SMALL)
+    private val dateAddedBroadcast = BroadcastChannel<DateTime>(8)
+    private val dateRemovedBroadcast = BroadcastChannel<DateTime>(8)
 
     init {
-        launch {
+        scope.launch {
             calculatePsychomatrixByDateUseCase.openPsychomatrixCreatedSubscription().subscribe {
                 it.date.also {
                     date ->
@@ -41,7 +41,7 @@ abstract class HistoryDatesRepositoryImpl(
     protected abstract fun onDateCalculated(dateTime: DateTime)
 
     override suspend fun removeDate(date: DateTime): Deferred<Boolean> {
-        return async {
+        return scope.async {
             internalRemoveDate(date).also {
                 if (it) {
                     dateRemovedBroadcast.send(date)

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/domain/UseCases/CalculatePsychomatrixByDateUseCase.kt

@@ -1,8 +1,8 @@
 package com.github.insanusmokrassar.PsychomatrixBase.domain.UseCases
 
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.Psychomatrix
-import kotlinx.coroutines.experimental.Deferred
+import kotlinx.coroutines.Deferred
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
+import kotlinx.coroutines.channels.ReceiveChannel
 import org.joda.time.DateTime
 import java.util.*
 

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/domain/UseCases/CeilDescriptionUseCase.kt

@@ -2,7 +2,7 @@ package com.github.insanusmokrassar.PsychomatrixBase.domain.UseCases
 
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.CeilInfo
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.CeilState
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
+import kotlinx.coroutines.channels.ReceiveChannel
 
 typealias CeilDescriptionReady = Pair<CeilState, CeilInfo>
 

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/domain/UseCases/ModifyPsychomatrixUseCase.kt

@@ -3,7 +3,7 @@ package com.github.insanusmokrassar.PsychomatrixBase.domain.UseCases
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.MutablePsychomatrix
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.Psychomatrix
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.operations.Operation
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
+import kotlinx.coroutines.channels.ReceiveChannel
 
 typealias PsychomatrixOperationIsConvert = Pair<MutablePsychomatrix, Pair<Operation, Boolean>>
 

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/domain/interactors/CalculatePsychomatrixByDateUseCaseInteractor.kt

@@ -2,23 +2,22 @@ package com.github.insanusmokrassar.PsychomatrixBase.domain.interactors
 
 import com.github.insanusmokrassar.PsychomatrixBase.domain.UseCases.CalculatePsychomatrixByDateUseCase
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.Psychomatrix
-import com.github.insanusmokrassar.PsychomatrixBase.utils.extensions.SUBSCRIPTIONS_MEDIUM
+import kotlinx.coroutines.*
-import kotlinx.coroutines.experimental.Deferred
+import kotlinx.coroutines.channels.BroadcastChannel
-import kotlinx.coroutines.experimental.async
+import kotlinx.coroutines.channels.ReceiveChannel
-import kotlinx.coroutines.experimental.channels.BroadcastChannel
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
 import org.joda.time.DateTime
 import java.util.*
 
 class CalculatePsychomatrixByDateUseCaseInteractor : CalculatePsychomatrixByDateUseCase {
-    private val psychomatrixCreatedBroadcast = BroadcastChannel<Psychomatrix>(SUBSCRIPTIONS_MEDIUM)
+    private val scope = CoroutineScope(Dispatchers.Default)
+    private val psychomatrixCreatedBroadcast = BroadcastChannel<Psychomatrix>(16)
 
     override suspend fun calculate(date: Long): Deferred<Psychomatrix> {
         return calculate(DateTime(date))
     }
 
     override suspend fun calculate(date: DateTime): Deferred<Psychomatrix> {
-        return async {
+        return scope.async {
             Psychomatrix(date).also {
                 psychomatrixCreatedBroadcast.send(it)
             }

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/domain/interactors/CeilDescriptionInteractor.kt

@@ -4,18 +4,17 @@ import com.github.insanusmokrassar.PsychomatrixBase.domain.UseCases.CeilDescript
 import com.github.insanusmokrassar.PsychomatrixBase.domain.UseCases.CeilDescriptionUseCase
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.CeilInfo
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.CeilState
-import com.github.insanusmokrassar.PsychomatrixBase.utils.extensions.SUBSCRIPTIONS_EXTRA_SMALL
+import kotlinx.coroutines.*
-import com.github.insanusmokrassar.PsychomatrixBase.utils.extensions.SUBSCRIPTIONS_SMALL
+import kotlinx.coroutines.channels.BroadcastChannel
-import kotlinx.coroutines.experimental.channels.BroadcastChannel
+import kotlinx.coroutines.channels.ReceiveChannel
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
-import kotlinx.coroutines.experimental.launch
 
 class CeilDescriptionInteractor : CeilDescriptionUseCase {
+    private val scope = CoroutineScope(Dispatchers.Default)
     private val ceilDescriptionReadyBroadcastChannel = BroadcastChannel<CeilDescriptionReady>(
-        SUBSCRIPTIONS_SMALL
+        16
     )
     private val ceilDescriptionRequestedBroadcastChannel = BroadcastChannel<CeilState>(
-        SUBSCRIPTIONS_EXTRA_SMALL
+        8
     )
 
     override fun openCeilDescriptionReadySubscription(): ReceiveChannel<CeilDescriptionReady> {
@@ -27,13 +26,13 @@ class CeilDescriptionInteractor : CeilDescriptionUseCase {
     }
 
     override fun descriptionReady(ceilState: CeilState, ceilInfo: CeilInfo) {
-        launch {
+        scope.launch {
             ceilDescriptionReadyBroadcastChannel.send(ceilState to ceilInfo)
         }
     }
 
     override fun requestDescription(ceilState: CeilState) {
-        launch {
+        scope.launch {
             ceilDescriptionRequestedBroadcastChannel.send(
                 ceilState
             )

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/domain/interactors/ModifyPsychomatrixUseCaseInteractor.kt

@@ -5,15 +5,15 @@ import com.github.insanusmokrassar.PsychomatrixBase.domain.UseCases.Psychomatrix
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.MutablePsychomatrix
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.Psychomatrix
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.operations.Operation
-import com.github.insanusmokrassar.PsychomatrixBase.utils.extensions.SUBSCRIPTIONS_MEDIUM
+import kotlinx.coroutines.*
-import kotlinx.coroutines.experimental.channels.BroadcastChannel
+import kotlinx.coroutines.channels.BroadcastChannel
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
+import kotlinx.coroutines.channels.ReceiveChannel
-import kotlinx.coroutines.experimental.launch
 
 class ModifyPsychomatrixUseCaseInteractor : ModifyPsychomatrixUseCase {
+    private val scope = CoroutineScope(Dispatchers.Default)
     private val currentPsychomatrixes: MutableList<MutablePsychomatrix> = ArrayList()
 
-    private val psychomatrixChangedBroadcastChannel = BroadcastChannel<PsychomatrixOperationIsConvert>(SUBSCRIPTIONS_MEDIUM)
+    private val psychomatrixChangedBroadcastChannel = BroadcastChannel<PsychomatrixOperationIsConvert>(16)
 
     override fun openPsychomatrixChangedSubscription(): ReceiveChannel<PsychomatrixOperationIsConvert> {
         return psychomatrixChangedBroadcastChannel.openSubscription()
@@ -22,7 +22,7 @@ class ModifyPsychomatrixUseCaseInteractor : ModifyPsychomatrixUseCase {
     override fun makeConvert(psychomatrix: MutablePsychomatrix, operation: Operation): Boolean {
         return asMutablePsychomatrix(psychomatrix).applyConvert(operation).also {
             if (it) {
-                launch {
+                scope.launch {
                     psychomatrixChangedBroadcastChannel.send(psychomatrix to (operation to true))
                 }
             }
@@ -31,7 +31,7 @@ class ModifyPsychomatrixUseCaseInteractor : ModifyPsychomatrixUseCase {
 
     override fun makeInvert(psychomatrix: MutablePsychomatrix, operation: Operation): Boolean {
         return asMutablePsychomatrix(psychomatrix).applyInvert(operation).also {
-            launch {
+            scope.launch {
                 psychomatrixChangedBroadcastChannel.send(psychomatrix to (operation to false))
             }
         }

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/presentation/presenters/CeilDescriptionPresenter.kt

@@ -2,7 +2,7 @@ package com.github.insanusmokrassar.PsychomatrixBase.presentation.presenters
 
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.CeilInfo
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.CeilState
-import kotlinx.coroutines.experimental.Deferred
+import kotlinx.coroutines.Deferred
 
 interface CeilDescriptionPresenter {
     fun onUserChooseCeil(ceilState: CeilState): Deferred<CeilInfo>

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/presentation/presenters/DatePickerPresenter.kt

@@ -1,7 +1,7 @@
 package com.github.insanusmokrassar.PsychomatrixBase.presentation.presenters
 
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.Psychomatrix
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
+import kotlinx.coroutines.channels.ReceiveChannel
 import org.joda.time.DateTime
 
 interface DatePickerPresenter {

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/presentation/presenters/DefaultRealisations/CeilDescriptionPresenterImpl.kt

@@ -6,13 +6,15 @@ import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.CeilState
 import com.github.insanusmokrassar.PsychomatrixBase.presentation.presenters.CeilDescriptionPresenter
 import com.github.insanusmokrassar.PsychomatrixBase.utils.Container
 import com.github.insanusmokrassar.PsychomatrixBase.utils.extensions.subscribeChecking
-import kotlinx.coroutines.experimental.*
+import kotlinx.coroutines.*
 
 class CeilDescriptionPresenterImpl(
     private val ceilDescriptionUseCase: CeilDescriptionUseCase
 ) : CeilDescriptionPresenter {
+    private val scope = CoroutineScope(Dispatchers.Default)
+
     override fun onUserChooseCeil(ceilState: CeilState): Deferred<CeilInfo> {
-        return async {
+        return scope.async {
             val container = Container<CeilInfo>()
             val subscription = ceilDescriptionUseCase.openCeilDescriptionReadySubscription().subscribeChecking(
                 {

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/presentation/presenters/DefaultRealisations/DatePickerPresenterImpl.kt

@@ -3,16 +3,17 @@ package com.github.insanusmokrassar.PsychomatrixBase.presentation.presenters.Def
 import com.github.insanusmokrassar.PsychomatrixBase.domain.UseCases.CalculatePsychomatrixByDateUseCase
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.Psychomatrix
 import com.github.insanusmokrassar.PsychomatrixBase.presentation.presenters.DatePickerPresenter
-import com.github.insanusmokrassar.PsychomatrixBase.utils.extensions.SUBSCRIPTIONS_MEDIUM
+import kotlinx.coroutines.*
-import kotlinx.coroutines.experimental.channels.BroadcastChannel
+import kotlinx.coroutines.channels.BroadcastChannel
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
+import kotlinx.coroutines.channels.ReceiveChannel
-import kotlinx.coroutines.experimental.launch
 import org.joda.time.DateTime
 
 class DatePickerPresenterImpl(
-    private val CalculatePsychomatrixByDateUseCase: CalculatePsychomatrixByDateUseCase
+    private val CalculatePsychomatrixByDateUseCase: CalculatePsychomatrixByDateUseCase,
+    broadcastChannelCapacity: Int = 4
 ) : DatePickerPresenter {
-    private val psychomatrixCreateBroadcastChannel = BroadcastChannel<Psychomatrix>(SUBSCRIPTIONS_MEDIUM)
+    private val scope = CoroutineScope(Dispatchers.Default)
+    private val psychomatrixCreateBroadcastChannel = BroadcastChannel<Psychomatrix>(broadcastChannelCapacity)
 
     override suspend fun openPsychomatrixCreatedSubscription(): ReceiveChannel<Psychomatrix> {
         return psychomatrixCreateBroadcastChannel.openSubscription()
@@ -23,7 +24,7 @@ class DatePickerPresenterImpl(
     }
 
     override fun userPickDate(date: DateTime) {
-        launch {
+        scope.launch {
             CalculatePsychomatrixByDateUseCase.calculate(date).await().also {
                 psychomatrixCreateBroadcastChannel.send(it)
             }

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/presentation/presenters/DefaultRealisations/ModifyPsychomatrixPresenterImpl.kt

@@ -6,7 +6,7 @@ import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.MutablePsych
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.Psychomatrix
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.operations.Operation
 import com.github.insanusmokrassar.PsychomatrixBase.presentation.presenters.ModifyPsychomatrixPresenter
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
+import kotlinx.coroutines.channels.ReceiveChannel
 
 class ModifyPsychomatrixPresenterImpl(
     private val modifyPsychomatrixUseCase: ModifyPsychomatrixUseCase

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/presentation/presenters/ModifyPsychomatrixPresenter.kt

@@ -4,7 +4,7 @@ import com.github.insanusmokrassar.PsychomatrixBase.domain.UseCases.Psychomatrix
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.MutablePsychomatrix
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.Psychomatrix
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.operations.Operation
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
+import kotlinx.coroutines.channels.ReceiveChannel
 
 interface ModifyPsychomatrixPresenter {
 

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/utils/CeilDescriptions/CeilInfoResolver.kt

@@ -2,14 +2,11 @@ package com.github.insanusmokrassar.PsychomatrixBase.utils.CeilDescriptions
 
 import com.github.insanusmokrassar.PsychomatrixBase.utils.CeilDescriptions.models.CeilsInfosRoot
 import com.github.insanusmokrassar.PsychomatrixBase.utils.FilesLoader.load
-import com.google.gson.Gson
+import kotlinx.serialization.json.Json
-import com.google.gson.GsonBuilder
 import java.io.InputStreamReader
 
 const val characteristicsFolder = "characteristics"
 
-private val gson: Gson = GsonBuilder().create()
-
 val availableTranslations = listOf(
     "en_US",
     "ru_RU"
@@ -30,6 +27,6 @@ private fun findSubTranslation(language: String): String {
 
 fun resolveCeilsDescriptionsByLanguage(language: String = "en_US"): CeilsInfosRoot {
     return load("$characteristicsFolder/${findSubTranslation(language)}.json").let {
-        gson.fromJson(InputStreamReader(it), CeilsInfosRoot::class.java)
+        Json.nonstrict.parse(CeilsInfosRoot.serializer(), InputStreamReader(it).readText())
     }
 }

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/utils/CeilDescriptions/models/CeilInfoConfig.kt

@@ -1,7 +1,9 @@
 package com.github.insanusmokrassar.PsychomatrixBase.utils.CeilDescriptions.models
 
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.CeilInfo
+import kotlinx.serialization.Serializable
 
+@Serializable
 data class CeilInfoConfig(
     val title: String = "",
     val description: String = "",

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/utils/CeilDescriptions/models/CeilsInfosRoot.kt

@@ -2,7 +2,9 @@ package com.github.insanusmokrassar.PsychomatrixBase.utils.CeilDescriptions.mode
 
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.CeilInfo
 import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.CeilState
+import kotlinx.serialization.Serializable
 
+@Serializable
 data class CeilsInfosRoot(
     val language: String? = "en_US",
     private val descriptionsList: List<List<CeilInfoConfig>> = emptyList()

src/main/kotlin/com/github/insanusmokrassar/PsychomatrixBase/utils/extensions/ReceiveChannel.kt

@@ -1,44 +1,128 @@
 package com.github.insanusmokrassar.PsychomatrixBase.utils.extensions
 
-import kotlinx.coroutines.experimental.*
+import kotlinx.coroutines.*
-import kotlinx.coroutines.experimental.channels.BroadcastChannel
+import kotlinx.coroutines.channels.*
-import kotlinx.coroutines.experimental.channels.ReceiveChannel
 import java.util.concurrent.TimeUnit
 
-const val SUBSCRIPTIONS_LARGE = 256
+private sealed class DebounceAction<T> {
-const val SUBSCRIPTIONS_MEDIUM = 128
+    abstract val value: T
-const val SUBSCRIPTIONS_SMALL = 64
+}
-const val SUBSCRIPTIONS_EXTRA_SMALL = 32
+
-const val SUBSCRIPTIONS_SINGLE = 1
+private data class AddValue<T>(override val value: T) : DebounceAction<T>()
+private data class RemoveJob<T>(override val value: T, val job: Job) : DebounceAction<T>()
+
+fun <T> ReceiveChannel<T>.debounceByValue(
+    delayMillis: Long,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default),
+    resultBroadcastChannelCapacity: Int = 32
+): ReceiveChannel<T> {
+    val outChannel = Channel<T>(resultBroadcastChannelCapacity)
+    val values = HashMap<T, Job>()
+
+    val channel = Channel<DebounceAction<T>>(Channel.UNLIMITED)
+    scope.launch {
+        for (action in channel) {
+            when (action) {
+                is AddValue -> {
+                    val msg = action.value
+                    values[msg] ?.cancel()
+                    lateinit var job: Job
+                    job = launch {
+                        delay(delayMillis)
+
+                        outChannel.send(msg)
+                        channel.send(RemoveJob(msg, job))
+                    }
+                    values[msg] = job
+                }
+                is RemoveJob -> if (values[action.value] == action.job) {
+                    values.remove(action.value)
+                }
+            }
+
+        }
+    }
+
+    scope.launch {
+        for (msg in this@debounceByValue) {
+            channel.send(AddValue(msg))
+        }
+    }
+
+    return outChannel
+}
+
+typealias AccumulatedValues<K, V> = Pair<K, List<V>>
+
+fun <K, V> ReceiveChannel<Pair<K, V>>.accumulateByKey(
+    delayMillis: Long,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default),
+    resultBroadcastChannelCapacity: Int = 32
+): ReceiveChannel<AccumulatedValues<K, V>> {
+    val outChannel = Channel<AccumulatedValues<K, V>>(resultBroadcastChannelCapacity)
+    val values = HashMap<K, MutableList<V>>()
+    val jobs = HashMap<K, Job>()
+
+    val channel = Channel<DebounceAction<Pair<K, V>>>(Channel.UNLIMITED)
+    scope.launch {
+        for (action in channel) {
+            val (key, value) = action.value
+            when (action) {
+                is AddValue -> {
+                    jobs[key] ?.cancel()
+                    (values[key] ?: mutableListOf<V>().also { values[key] = it }).add(value)
+                    lateinit var job: Job
+                    job = launch {
+                        delay(delayMillis)
+
+                        values[key] ?.let {
+                            outChannel.send(key to it)
+                            channel.send(RemoveJob(key to value, job))
+                        }
+                    }
+                    jobs[key] = job
+                }
+                is RemoveJob -> if (values[key] == action.job) {
+                    values.remove(key)
+                    jobs.remove(key)
+                }
+            }
+
+        }
+    }
+
+    scope.launch {
+        for (msg in this@accumulateByKey) {
+            channel.send(AddValue(msg))
+        }
+    }
+
+    return outChannel
+}
 
 fun <T> ReceiveChannel<T>.subscribeChecking(
     throwableHandler: (Throwable) -> Boolean = {
         it.printStackTrace()
         true
     },
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default),
     by: suspend (T) -> Boolean
 ): Job {
-    return launch {
+    val channel = this
-        while (isActive && !isClosedForReceive) {
+    return scope.launch {
-            try {
+        for (data in channel) {
-                val received = receive()
+            launch {
-
+                try {
-                launch {
+                    if (!by(data)) {
-                    try {
+                        channel.cancel()
-                        if (!by(received)) {
+                    }
-                            cancel()
+                } catch (e: Throwable) {
-                        }
+                    if (!throwableHandler(e)) {
-                    } catch (e: Throwable) {
+                        channel.cancel()
-                        if (!throwableHandler(e)) {
-                            cancel()
-                        }
                     }
                 }
-            } catch (e: CancellationException) {
-                break
             }
         }
-        cancel()
     }
 }
 
@@ -47,45 +131,30 @@ fun <T> ReceiveChannel<T>.subscribe(
         it.printStackTrace()
         true
     },
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default),
     by: suspend (T) -> Unit
 ): Job {
-    return subscribeChecking(throwableHandler) {
+    return subscribeChecking(throwableHandler, scope) {
         by(it)
         true
     }
 }
 
-fun <T> ReceiveChannel<T>.debounce(delayMs: Long, awaitedSubscriptions: Int = 256): BroadcastChannel<T> {
+fun <T> ReceiveChannel<T>.debounce(
-    val channel = BroadcastChannel<T>(awaitedSubscriptions)
+    delay: Long,
-    var lastReceived: Pair<Long, T>? = null
+    timeUnit: TimeUnit = TimeUnit.MILLISECONDS,
-    var job: Job? = null
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default),
-    launch {
+    resultBroadcastChannelCapacity: Int = 1
-        while (isActive && !isClosedForReceive) {
+): BroadcastChannel<T> {
-            val received = receive()
+    return BroadcastChannel<T>(resultBroadcastChannelCapacity).also { outBroadcast ->
+        var lastReceived: Job? = null
+        subscribe(scope = scope) {
+            lastReceived ?.cancel()
+            lastReceived = scope.launch {
+                delay(timeUnit.toMillis(delay))
 
-            lastReceived = Pair(System.currentTimeMillis() + delayMs, received)
+                outBroadcast.send(it)
-
-            job ?:let {
-                job = launch {
-                    try {
-                        var now = System.currentTimeMillis()
-                        while (isActive && lastReceived?.first ?: now >= now) {
-                            delay((lastReceived ?.first ?: now) - now, TimeUnit.MILLISECONDS)
-                            now = System.currentTimeMillis()
-                        }
-
-                        lastReceived?.second?.also {
-                            channel.send(it)
-                        }
-                    } catch (e: Exception) {
-                        e.printStackTrace()
-                    } finally {
-                        job = null
-                    }
-                }
             }
         }
-        cancel()
     }
-    return channel
 }