Initial commit

build.gradle.kts

@@ -0,0 +1,48 @@
+import com.github.jengelman.gradle.plugins.shadow.tasks.ConfigureShadowRelocation
+
+plugins {
+    id("java")
+    id("com.github.johnrengelman.shadow") version "7.1.0"
+}
+
+group = "com.alttd"
+version = "1.0.0-SNAPSHOT"
+description = "Altitude DataLock Library."
+
+apply<JavaLibraryPlugin>()
+
+java {
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(17))
+    }
+}
+
+tasks {
+    withType<JavaCompile> {
+        options.encoding = Charsets.UTF_8.name()
+    }
+
+    withType<Javadoc> {
+        options.encoding = Charsets.UTF_8.name()
+    }
+
+    shadowJar {
+        dependsOn(getByName("relocateJars") as ConfigureShadowRelocation)
+        archiveFileName.set("${project.name}-${project.version}.jar")
+        minimize()
+        configurations = listOf(project.configurations.shadow.get())
+    }
+
+    build {
+        dependsOn(shadowJar)
+    }
+
+    create<ConfigureShadowRelocation>("relocateJars") {
+        target = shadowJar.get()
+        prefix = "${project.name}.lib"
+    }
+}
+
+dependencies {
+    compileOnly("com.alttd:Galaxy-API:1.19-R0.1-SNAPSHOT")
+}

gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MSYS* | MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$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 or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; 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=`expr $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"
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@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 Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@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="-Xmx64m" "-Xms64m"
+
+@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 execute
+
+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 execute
+
+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
+
+: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 %*
+
+: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.kts

@@ -0,0 +1,15 @@
+rootProject.name = "DataLockLib"
+
+dependencyResolutionManagement {
+    repositories {
+        mavenCentral()
+        maven("https://repo.destro.xyz/snapshots") // Altitude - Galaxy
+    }
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+}
+
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+    }
+}

src/main/java/DataLock.java

@@ -0,0 +1,47 @@
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.UUID;
+
+public class DataLock implements DataLockInterface {
+
+    private static DataLock instance = null;
+
+    public static DataLock getInstance() {
+        if (instance == null)
+            instance = new DataLock();
+        return instance;
+    }
+
+    private DataLock() {}
+
+    private final HashMap<UUID, IdempotencyData> activeQueries = new HashMap<>();
+
+    protected void putQuery(IdempotencyData idempotencyData) {
+        activeQueries.put(idempotencyData.idempotencyToken(), idempotencyData);
+    }
+
+    protected IdempotencyData getQuery(UUID idempotencyToken) {
+        return activeQueries.getOrDefault(idempotencyToken, null);
+    }
+
+    protected IdempotencyData removeQuery(UUID idempotencyToken) {
+        return activeQueries.remove(idempotencyToken);
+    }
+
+    private final HashSet<String> activeChannels = new HashSet<>();
+
+    public void registerChannel(String channel) {
+
+    }
+
+    @Override
+    public void tryLock(String channel, String data) {
+        IdempotencyData idempotencyData = new IdempotencyData(channel, data, UUID.randomUUID());
+
+    }
+
+    @Override
+    public void tryUnlock(String channel, String data) {
+
+    }
+}

src/main/java/DataLockInterface.java

@@ -0,0 +1,7 @@
+public interface DataLockInterface {
+
+    void tryLock(String channel, String data);
+
+    void tryUnlock(String channel, String data);
+
+}

src/main/java/DataLockLib.java

@@ -0,0 +1,32 @@
+import org.bukkit.plugin.java.JavaPlugin;
+
+public class DataLockLib extends JavaPlugin {
+
+    public static DataLockLib instance;
+
+    protected static DataLockLib getInstance() {
+        return instance;
+    }
+
+    @Override
+    public void onLoad() {
+        instance = this;
+    }
+
+    @Override
+    public void onEnable() {
+        registerEvents();
+    }
+
+    @Override
+    public void onDisable() {
+
+    }
+
+    private void registerEvents() {
+//        getServer().getPluginManager().registerEvents(new TalkToQuest(), this);
+//        getServer().getMessenger().registerOutgoingPluginChannel(this, "aquest:player-data");
+//        getServer().getMessenger().registerIncomingPluginChannel(this, "aquest:player-data", new PluginMessageListener());
+    }
+
+}

src/main/java/DataLockListener.java

@@ -0,0 +1,5 @@
+import org.bukkit.event.Listener;
+
+public class DataLockListener implements Listener {
+
+}

src/main/java/IdempotencyData.java

@@ -0,0 +1,23 @@
+import java.util.UUID;
+
+record IdempotencyData(String channel, String data, UUID idempotencyToken) {
+    @Override
+    public String toString() {
+        return "Channel: [" + channel + "] Data: [" + data + "] Idempotency Token: [" + idempotencyToken + "]";
+    }
+
+    @Override
+    public String channel() {
+        return channel;
+    }
+
+    @Override
+    public String data() {
+        return data;
+    }
+
+    @Override
+    public UUID idempotencyToken() {
+        return idempotencyToken;
+    }
+}

src/main/java/LockResponseEvent.java

@@ -0,0 +1,32 @@
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+public class LockResponseEvent extends Event {
+
+    private final HandlerList handlers = new HandlerList();
+    private final String channel;
+    private final String data;
+    private final boolean result;
+
+    protected LockResponseEvent(boolean isAsync, String channel, ResponseType responseType, String data, boolean result) {
+        super(isAsync);
+        this.channel = channel;
+        this.data = data;
+        this.result = result;
+    }
+
+    public String getChannel() {
+        return channel;
+    }
+
+    public String getData() {
+        return data;
+    }
+
+
+
+    public @NotNull HandlerList getHandlers() {
+        return handlers;
+    }
+}

src/main/java/PluginMessageListener.java

@@ -0,0 +1,34 @@
+import com.google.common.io.ByteArrayDataInput;
+import com.google.common.io.ByteStreams;
+import org.bukkit.entity.Player;
+import org.bukkit.scheduler.BukkitRunnable;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.HashSet;
+import java.util.UUID;
+
+public class PluginMessageListener implements org.bukkit.plugin.messaging.PluginMessageListener {
+
+    @Override
+    public void onPluginMessageReceived(@NotNull String channel, @NotNull Player player, byte[] bytes) {
+        if (!activeChannels.contains(channel)) {
+            return;
+        }
+        ByteArrayDataInput in = ByteStreams.newDataInput(bytes);
+        String data = in.readUTF();
+        boolean result = in.readBoolean();
+        UUID idempotency = UUID.fromString(in.readUTF());
+        new BukkitRunnable() {
+            @Override
+            public void run() {
+                switch (in.readUTF()) {
+                    case "try-lock-result" -> new LockResponseEvent(true, channel, ResponseType.TRY_LOCK_RESULT, data, result);
+                    case "queue-lock-failed" -> new LockResponseEvent(true, channel, ResponseType.QUEUE_LOCK_FAILED, data, result);
+                    case "try-unlock-result" -> new LockResponseEvent(true, channel, ResponseType.TRY_UNLOCK_RESULT, data, result);
+                    case "locked-queue-lock" -> new LockResponseEvent(true, channel, ResponseType.LOCKED_QUEUE_LOCK, data, result);
+                    case "check-lock-result" -> new LockResponseEvent(true, channel, ResponseType.CHECK_LOCK_RESULT, data, result);
+                }
+            }
+        }.runTaskAsynchronously(DataLockLib.getInstance());
+    }
+}

src/main/java/ResponseType.java

@@ -0,0 +1,7 @@
+public enum ResponseType {
+    TRY_LOCK_RESULT,
+    QUEUE_LOCK_FAILED,
+    TRY_UNLOCK_RESULT,
+    LOCKED_QUEUE_LOCK,
+    CHECK_LOCK_RESULT
+}