Implement SubjectDataUpdateEvent (#753)

sponge/pom.xml

@@ -156,7 +156,7 @@
         <dependency>
             <groupId>org.spongepowered</groupId>
             <artifactId>spongeapi</artifactId>
-            <version>6.0.0</version>
+            <version>8.0.0-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>

sponge/sponge-service/src/main/java/me/lucko/luckperms/sponge/service/model/LPSubjectData.java

@@ -30,6 +30,7 @@ import com.google.common.collect.ImmutableMap;
 
 import me.lucko.luckperms.api.Tristate;
 import me.lucko.luckperms.api.context.ImmutableContextSet;
+import me.lucko.luckperms.common.model.NodeMapType;
 import me.lucko.luckperms.sponge.service.reference.LPSubjectReference;
 
 import org.spongepowered.api.service.permission.SubjectData;
@@ -41,8 +42,12 @@ import java.util.concurrent.CompletableFuture;
  */
 public interface LPSubjectData {
 
+    SubjectData sponge();
+
     LPSubject getParentSubject();
 
+    NodeMapType getType();
+
     /* permissions */
 
     ImmutableMap<ImmutableContextSet, ImmutableMap<String, Boolean>> getAllPermissions();

sponge/src/main/java/me/lucko/luckperms/sponge/LPSpongePlugin.java

@@ -79,6 +79,7 @@ import me.lucko.luckperms.sponge.managers.SpongeGroupManager;
 import me.lucko.luckperms.sponge.managers.SpongeUserManager;
 import me.lucko.luckperms.sponge.messaging.SpongeMessagingFactory;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
+import me.lucko.luckperms.sponge.service.event.UpdateEventHandler;
 import me.lucko.luckperms.sponge.service.model.LPPermissionService;
 import me.lucko.luckperms.sponge.service.model.LPSubject;
 import me.lucko.luckperms.sponge.service.model.LPSubjectCollection;
@@ -173,6 +174,7 @@ public class LPSpongePlugin implements LuckPermsSpongePlugin {
     private InternalMessagingService messagingService = null;
     private LuckPermsApiProvider apiProvider;
     private EventFactory eventFactory;
+    private UpdateEventHandler updateEventHandler;
     private me.lucko.luckperms.common.logging.Logger log;
     private LuckPermsService service;
     private LocaleManager localeManager;
@@ -256,6 +258,7 @@ public class LPSpongePlugin implements LuckPermsSpongePlugin {
 
         // register the PermissionService with Sponge
         getLog().info("Registering PermissionService...");
+        this.updateEventHandler = UpdateEventHandler.obtain(this);
         this.service = new LuckPermsService(this);
 
         if (this.game.getPluginManager().getPlugin("permissionsex").isPresent()) {
@@ -513,10 +516,18 @@ public class LPSpongePlugin implements LuckPermsSpongePlugin {
         return this.game;
     }
 
+    public PluginContainer getPluginContainer() {
+        return this.pluginContainer;
+    }
+
     public Scheduler getSpongeScheduler() {
         return this.spongeScheduler;
     }
 
+    public UpdateEventHandler getUpdateEventHandler() {
+        return this.updateEventHandler;
+    }
+
     public SpongeExecutorService getSyncExecutorService() {
         return this.syncExecutorService;
     }

sponge/src/main/java/me/lucko/luckperms/sponge/service/ProxyFactory.java

@@ -25,15 +25,18 @@
 
 package me.lucko.luckperms.sponge.service;
 
+import me.lucko.luckperms.common.model.NodeMapType;
 import me.lucko.luckperms.sponge.service.model.LPPermissionDescription;
 import me.lucko.luckperms.sponge.service.model.LPPermissionService;
 import me.lucko.luckperms.sponge.service.model.LPSubject;
 import me.lucko.luckperms.sponge.service.model.LPSubjectCollection;
+import me.lucko.luckperms.sponge.service.model.LPSubjectData;
 
 import org.spongepowered.api.service.permission.PermissionDescription;
 import org.spongepowered.api.service.permission.PermissionService;
 import org.spongepowered.api.service.permission.Subject;
 import org.spongepowered.api.service.permission.SubjectCollection;
+import org.spongepowered.api.service.permission.SubjectData;
 
 /**
  * Provides proxy instances which implement the SpongeAPI using the LuckPerms model.
@@ -68,6 +71,13 @@ public final class ProxyFactory {
                 new me.lucko.luckperms.sponge.service.proxy.api6.SubjectProxy(luckPerms.getService(), luckPerms.toReference());
     }
 
+    public static SubjectData toSponge(LPSubjectData luckPerms) {
+        LPSubject parentSubject = luckPerms.getParentSubject();
+        return IS_API_7 ?
+                new me.lucko.luckperms.sponge.service.proxy.api7.SubjectDataProxy(parentSubject.getService(), parentSubject.toReference(), luckPerms.getType() == NodeMapType.ENDURING) :
+                new me.lucko.luckperms.sponge.service.proxy.api6.SubjectDataProxy(parentSubject.getService(), parentSubject.toReference(), luckPerms.getType() == NodeMapType.ENDURING);
+    }
+
     public static PermissionDescription toSponge(LPPermissionDescription luckPerms) {
         return IS_API_7 ?
                 new me.lucko.luckperms.sponge.service.proxy.api7.PermissionDescriptionProxy(luckPerms.getService(), luckPerms) :

sponge/src/main/java/me/lucko/luckperms/sponge/service/calculated/CalculatedSubjectData.java

@@ -35,15 +35,19 @@ import me.lucko.luckperms.api.context.ImmutableContextSet;
 import me.lucko.luckperms.common.calculators.PermissionCalculator;
 import me.lucko.luckperms.common.calculators.PermissionCalculatorMetadata;
 import me.lucko.luckperms.common.contexts.ContextSetComparator;
+import me.lucko.luckperms.common.model.NodeMapType;
 import me.lucko.luckperms.common.processors.MapProcessor;
 import me.lucko.luckperms.common.processors.PermissionProcessor;
 import me.lucko.luckperms.common.verbose.CheckOrigin;
 import me.lucko.luckperms.sponge.processors.SpongeWildcardProcessor;
+import me.lucko.luckperms.sponge.service.ProxyFactory;
 import me.lucko.luckperms.sponge.service.model.LPPermissionService;
 import me.lucko.luckperms.sponge.service.model.LPSubject;
 import me.lucko.luckperms.sponge.service.model.LPSubjectData;
 import me.lucko.luckperms.sponge.service.reference.LPSubjectReference;
 
+import org.spongepowered.api.service.permission.SubjectData;
+
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -60,6 +64,7 @@ import java.util.concurrent.TimeUnit;
  */
 public class CalculatedSubjectData implements LPSubjectData {
     private final LPSubject parentSubject;
+    private final NodeMapType type;
     private final LPPermissionService service;
 
     private final Map<ImmutableContextSet, Map<String, Boolean>> permissions = new ConcurrentHashMap<>();
@@ -68,8 +73,9 @@ public class CalculatedSubjectData implements LPSubjectData {
 
     private final LoadingCache<ImmutableContextSet, CalculatorHolder> permissionCache;
 
-    public CalculatedSubjectData(LPSubject parentSubject, LPPermissionService service, String calculatorDisplayName) {
+    public CalculatedSubjectData(LPSubject parentSubject, NodeMapType type, LPPermissionService service, String calculatorDisplayName) {
         this.parentSubject = parentSubject;
+        this.type = type;
         this.service = service;
         this.permissionCache = Caffeine.newBuilder()
                 .expireAfterAccess(10, TimeUnit.MINUTES)
@@ -83,11 +89,21 @@ public class CalculatedSubjectData implements LPSubjectData {
                 });
     }
 
+    @Override
+    public SubjectData sponge() {
+        return ProxyFactory.toSponge(this);
+    }
+
     @Override
     public LPSubject getParentSubject() {
         return this.parentSubject;
     }
 
+    @Override
+    public NodeMapType getType() {
+        return this.type;
+    }
+
     public void cleanup() {
         this.permissionCache.cleanUp();
     }

sponge/src/main/java/me/lucko/luckperms/sponge/service/calculated/MonitoredSubjectData.java

@@ -0,0 +1,107 @@
+/*
+ * This file is part of LuckPerms, licensed under the MIT License.
+ *
+ *  Copyright (c) lucko (Luck) <luck@lucko.me>
+ *  Copyright (c) contributors
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.sponge.service.calculated;
+
+import me.lucko.luckperms.api.Tristate;
+import me.lucko.luckperms.api.context.ImmutableContextSet;
+import me.lucko.luckperms.common.model.NodeMapType;
+import me.lucko.luckperms.sponge.service.LuckPermsService;
+import me.lucko.luckperms.sponge.service.model.LPSubject;
+import me.lucko.luckperms.sponge.service.reference.LPSubjectReference;
+
+import java.util.concurrent.CompletableFuture;
+import java.util.function.Function;
+
+/**
+ * Extension of CalculatedSubjectData which allows subclasses to respond to updates
+ */
+public abstract class MonitoredSubjectData extends CalculatedSubjectData {
+    private final Function<Boolean, Boolean> saveFunction = b -> {
+        onUpdate(b);
+        return b;
+    };
+
+    public MonitoredSubjectData(LPSubject subject, NodeMapType type, LuckPermsService service, String calculatorDisplayName) {
+        super(subject, type, service, calculatorDisplayName);
+    }
+
+    protected abstract void onUpdate(boolean success);
+
+    @Override
+    public CompletableFuture<Boolean> setPermission(ImmutableContextSet contexts, String permission, Tristate value) {
+        return super.setPermission(contexts, permission, value).thenApply(this.saveFunction);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> clearPermissions() {
+        return super.clearPermissions().thenApply(this.saveFunction);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> clearPermissions(ImmutableContextSet contexts) {
+        return super.clearPermissions(contexts).thenApply(this.saveFunction);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> addParent(ImmutableContextSet contexts, LPSubjectReference parent) {
+        return super.addParent(contexts, parent).thenApply(this.saveFunction);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> removeParent(ImmutableContextSet contexts, LPSubjectReference parent) {
+        return super.removeParent(contexts, parent).thenApply(this.saveFunction);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> clearParents() {
+        return super.clearParents().thenApply(this.saveFunction);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> clearParents(ImmutableContextSet contexts) {
+        return super.clearParents(contexts).thenApply(this.saveFunction);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> setOption(ImmutableContextSet contexts, String key, String value) {
+        return super.setOption(contexts, key, value).thenApply(this.saveFunction);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> unsetOption(ImmutableContextSet contexts, String key) {
+        return super.unsetOption(contexts, key).thenApply(this.saveFunction);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> clearOptions() {
+        return super.clearOptions().thenApply(this.saveFunction);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> clearOptions(ImmutableContextSet contexts) {
+        return super.clearOptions(contexts).thenApply(this.saveFunction);
+    }
+}

sponge/src/main/java/me/lucko/luckperms/sponge/service/event/LPSubjectDataUpdateEvent.java

@@ -0,0 +1,67 @@
+/*
+ * This file is part of LuckPerms, licensed under the MIT License.
+ *
+ *  Copyright (c) lucko (Luck) <luck@lucko.me>
+ *  Copyright (c) contributors
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.sponge.service.event;
+
+import me.lucko.luckperms.sponge.LPSpongePlugin;
+import me.lucko.luckperms.sponge.service.model.LPSubjectData;
+
+import org.spongepowered.api.event.cause.Cause;
+import org.spongepowered.api.event.cause.EventContext;
+import org.spongepowered.api.event.cause.EventContextKeys;
+import org.spongepowered.api.event.impl.AbstractEvent;
+import org.spongepowered.api.event.permission.SubjectDataUpdateEvent;
+import org.spongepowered.api.service.permission.SubjectData;
+
+import javax.annotation.Nonnull;
+
+public class LPSubjectDataUpdateEvent extends AbstractEvent implements SubjectDataUpdateEvent {
+    private final LPSpongePlugin plugin;
+    private final LPSubjectData subjectData;
+
+    public LPSubjectDataUpdateEvent(LPSpongePlugin plugin, LPSubjectData subjectData) {
+        this.plugin = plugin;
+        this.subjectData = subjectData;
+    }
+
+    @Override
+    public SubjectData getUpdatedData() {
+        return this.subjectData.sponge();
+    }
+
+    public LPSubjectData getLuckPermsUpdatedData() {
+        return this.subjectData;
+    }
+
+    @Nonnull
+    @Override
+    public Cause getCause() {
+        EventContext eventContext = EventContext.builder()
+                .add(EventContextKeys.PLUGIN, this.plugin.getPluginContainer())
+                .build();
+
+        return Cause.builder().build(eventContext);
+    }
+}

sponge/src/main/java/me/lucko/luckperms/sponge/service/event/UpdateEventHandler.java

@@ -0,0 +1,50 @@
+/*
+ * This file is part of LuckPerms, licensed under the MIT License.
+ *
+ *  Copyright (c) lucko (Luck) <luck@lucko.me>
+ *  Copyright (c) contributors
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.sponge.service.event;
+
+import me.lucko.luckperms.sponge.LPSpongePlugin;
+import me.lucko.luckperms.sponge.service.model.LPSubjectData;
+
+public interface UpdateEventHandler {
+
+    static UpdateEventHandler obtain(LPSpongePlugin plugin) {
+        try {
+            Class.forName("org.spongepowered.api.event.permission.SubjectDataUpdateEvent");
+            return new UpdateEventHandlerImpl(plugin);
+        } catch (ClassNotFoundException e) {
+            return new Noop();
+        }
+    }
+
+    void fireUpdateEvent(LPSubjectData subjectData);
+
+    class Noop implements UpdateEventHandler {
+        @Override
+        public void fireUpdateEvent(LPSubjectData subjectData) {
+
+        }
+    }
+}

sponge/src/main/java/me/lucko/luckperms/sponge/service/event/UpdateEventHandlerImpl.java

@@ -0,0 +1,45 @@
+/*
+ * This file is part of LuckPerms, licensed under the MIT License.
+ *
+ *  Copyright (c) lucko (Luck) <luck@lucko.me>
+ *  Copyright (c) contributors
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.sponge.service.event;
+
+import me.lucko.luckperms.sponge.LPSpongePlugin;
+import me.lucko.luckperms.sponge.service.model.LPSubjectData;
+
+import org.spongepowered.api.event.permission.SubjectDataUpdateEvent;
+
+public class UpdateEventHandlerImpl implements UpdateEventHandler {
+    private final LPSpongePlugin plugin;
+
+    public UpdateEventHandlerImpl(LPSpongePlugin plugin) {
+        this.plugin = plugin;
+    }
+
+    @Override
+    public void fireUpdateEvent(LPSubjectData subjectData) {
+        SubjectDataUpdateEvent event = new LPSubjectDataUpdateEvent(this.plugin, subjectData);
+        this.plugin.getGame().getEventManager().post(event);
+    }
+}

sponge/src/main/java/me/lucko/luckperms/sponge/service/internal/HolderSubject.java

@@ -62,6 +62,12 @@ public abstract class HolderSubject<T extends PermissionHolder> implements LPSub
         this.plugin = plugin;
         this.subjectData = new HolderSubjectData(plugin.getService(), NodeMapType.ENDURING, parent, this);
         this.transientSubjectData = new HolderSubjectData(plugin.getService(), NodeMapType.TRANSIENT, parent, this);
+
+        // fire update event
+        parent.getStateListeners().add(() -> {
+            plugin.getUpdateEventHandler().fireUpdateEvent(this.subjectData);
+            plugin.getUpdateEventHandler().fireUpdateEvent(this.transientSubjectData);
+        });
     }
 
     @Override

sponge/src/main/java/me/lucko/luckperms/sponge/service/internal/HolderSubjectData.java

@@ -40,11 +40,13 @@ import me.lucko.luckperms.common.model.PermissionHolder;
 import me.lucko.luckperms.common.model.User;
 import me.lucko.luckperms.common.node.NodeFactory;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
+import me.lucko.luckperms.sponge.service.ProxyFactory;
 import me.lucko.luckperms.sponge.service.model.LPSubject;
 import me.lucko.luckperms.sponge.service.model.LPSubjectData;
 import me.lucko.luckperms.sponge.service.reference.LPSubjectReference;
 
 import org.spongepowered.api.service.permission.PermissionService;
+import org.spongepowered.api.service.permission.SubjectData;
 
 import java.util.Collection;
 import java.util.HashMap;
@@ -73,11 +75,21 @@ public class HolderSubjectData implements LPSubjectData {
         return this.holder.getNodes(this.type).values().stream();
     }
 
+    @Override
+    public SubjectData sponge() {
+        return ProxyFactory.toSponge(this);
+    }
+
     @Override
     public LPSubject getParentSubject() {
         return this.parentSubject;
     }
 
+    @Override
+    public NodeMapType getType() {
+        return this.type;
+    }
+
     @Override
     public ImmutableMap<ImmutableContextSet, ImmutableMap<String, Boolean>> getAllPermissions() {
         ImmutableMap.Builder<ImmutableContextSet, ImmutableMap<String, Boolean>> ret = ImmutableMap.builder();

sponge/src/main/java/me/lucko/luckperms/sponge/service/persisted/PersistedSubject.java

@@ -32,11 +32,14 @@ import com.google.common.collect.ImmutableList;
 import me.lucko.luckperms.api.Tristate;
 import me.lucko.luckperms.api.context.ImmutableContextSet;
 import me.lucko.luckperms.common.buffers.BufferedRequest;
+import me.lucko.luckperms.common.model.NodeMapType;
 import me.lucko.luckperms.common.verbose.CheckOrigin;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
 import me.lucko.luckperms.sponge.service.ProxyFactory;
 import me.lucko.luckperms.sponge.service.calculated.CalculatedSubjectData;
+import me.lucko.luckperms.sponge.service.calculated.MonitoredSubjectData;
 import me.lucko.luckperms.sponge.service.model.LPSubject;
+import me.lucko.luckperms.sponge.service.model.LPSubjectData;
 import me.lucko.luckperms.sponge.service.reference.LPSubjectReference;
 import me.lucko.luckperms.sponge.service.storage.SubjectStorageModel;
 
@@ -92,8 +95,27 @@ public class PersistedSubject implements LPSubject {
         this.parentCollection = parentCollection;
 
         String displayName = parentCollection.getIdentifier() + "/" + identifier;
-        this.subjectData = new PersistedSubjectData(service, displayName + "/p", this);
+        this.subjectData = new PersistedSubjectData(this, NodeMapType.ENDURING, service, displayName + "/p") {
-        this.transientSubjectData = new CalculatedSubjectData(this, service, displayName + "/t");
+            @Override
+            protected void onUpdate(boolean success) {
+                super.onUpdate(success);
+                if (success) {
+                    fireUpdateEvent(this);
+                }
+            }
+        };
+        this.transientSubjectData = new MonitoredSubjectData(this, NodeMapType.TRANSIENT, service, displayName + "/t") {
+            @Override
+            protected void onUpdate(boolean success) {
+                if (success) {
+                    fireUpdateEvent(this);
+                }
+            }
+        };
+    }
+
+    private void fireUpdateEvent(LPSubjectData subjectData) {
+        this.service.getPlugin().getUpdateEventHandler().fireUpdateEvent(subjectData);
     }
 
     @Override

sponge/src/main/java/me/lucko/luckperms/sponge/service/persisted/PersistedSubjectData.java

@@ -25,99 +25,32 @@
 
 package me.lucko.luckperms.sponge.service.persisted;
 
-import me.lucko.luckperms.api.Tristate;
+import me.lucko.luckperms.common.model.NodeMapType;
-import me.lucko.luckperms.api.context.ImmutableContextSet;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
-import me.lucko.luckperms.sponge.service.calculated.CalculatedSubjectData;
+import me.lucko.luckperms.sponge.service.calculated.MonitoredSubjectData;
-import me.lucko.luckperms.sponge.service.reference.LPSubjectReference;
-
-import java.util.concurrent.CompletableFuture;
-import java.util.function.Function;
 
 /**
- * Extension of MemorySubjectData which persists data when modified
+ * Extension of CalculatedSubjectData which persists data when modified
  */
-public class PersistedSubjectData extends CalculatedSubjectData {
+public class PersistedSubjectData extends MonitoredSubjectData {
     private final PersistedSubject subject;
-
     private boolean save = true;
 
-    private final Function<Boolean, Boolean> saveFunction = b -> {
+    public PersistedSubjectData(PersistedSubject subject, NodeMapType type, LuckPermsService service, String calculatorDisplayName) {
-        save();
+        super(subject, type, service, calculatorDisplayName);
-        return b;
-    };
-
-    public PersistedSubjectData(LuckPermsService service, String calculatorDisplayName, PersistedSubject subject) {
-        super(subject, service, calculatorDisplayName);
         this.subject = subject;
     }
 
-    private void save() {
+    @Override
+    protected void onUpdate(boolean success) {
         if (!this.save) {
             return;
         }
 
-        if (this.subject != null) {
+        this.subject.save();
-            this.subject.save();
-        }
     }
 
     public void setSave(boolean save) {
         this.save = save;
     }
-
-    @Override
-    public CompletableFuture<Boolean> setPermission(ImmutableContextSet contexts, String permission, Tristate value) {
-        return super.setPermission(contexts, permission, value).thenApply(this.saveFunction);
-    }
-
-    @Override
-    public CompletableFuture<Boolean> clearPermissions() {
-        return super.clearPermissions().thenApply(this.saveFunction);
-    }
-
-    @Override
-    public CompletableFuture<Boolean> clearPermissions(ImmutableContextSet contexts) {
-        return super.clearPermissions(contexts).thenApply(this.saveFunction);
-    }
-
-    @Override
-    public CompletableFuture<Boolean> addParent(ImmutableContextSet contexts, LPSubjectReference parent) {
-        return super.addParent(contexts, parent).thenApply(this.saveFunction);
-    }
-
-    @Override
-    public CompletableFuture<Boolean> removeParent(ImmutableContextSet contexts, LPSubjectReference parent) {
-        return super.removeParent(contexts, parent).thenApply(this.saveFunction);
-    }
-
-    @Override
-    public CompletableFuture<Boolean> clearParents() {
-        return super.clearParents().thenApply(this.saveFunction);
-    }
-
-    @Override
-    public CompletableFuture<Boolean> clearParents(ImmutableContextSet contexts) {
-        return super.clearParents(contexts).thenApply(this.saveFunction);
-    }
-
-    @Override
-    public CompletableFuture<Boolean> setOption(ImmutableContextSet contexts, String key, String value) {
-        return super.setOption(contexts, key, value).thenApply(this.saveFunction);
-    }
-
-    @Override
-    public CompletableFuture<Boolean> unsetOption(ImmutableContextSet contexts, String key) {
-        return super.unsetOption(contexts, key).thenApply(this.saveFunction);
-    }
-
-    @Override
-    public CompletableFuture<Boolean> clearOptions() {
-        return super.clearOptions().thenApply(this.saveFunction);
-    }
-
-    @Override
-    public CompletableFuture<Boolean> clearOptions(ImmutableContextSet contexts) {
-        return super.clearOptions(contexts).thenApply(this.saveFunction);
-    }
 }