diff --git a/core/src/main/java/org/apache/gravitino/listener/api/event/DropModelEvent.java b/core/src/main/java/org/apache/gravitino/listener/api/event/DropModelEvent.java
new file mode 100644
index 00000000000..5a063ea0ee6
--- /dev/null
+++ b/core/src/main/java/org/apache/gravitino/listener/api/event/DropModelEvent.java
@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+package org.apache.gravitino.listener.api.event;
+
+import org.apache.gravitino.NameIdentifier;
+import org.apache.gravitino.listener.api.info.ModelInfo;
+
+/** Event representing the successful drop of a model. */
+public class DropModelEvent extends ModelEvent {
+ private final ModelInfo dropModelInfo;
+ private final boolean isExists;
+
+ /**
+ * Constructs an instance of {@code DropModelEvent}, capturing essential details about the
+ * successful drop of a model.
+ *
+ * @param user The username of the individual who initiated the model drop operation.
+ * @param identifier The unique identifier of the model that was dropped.
+ * @param dropModelInfo The state of the model post-drop operation.
+ * @param isExists A boolean flag indicating whether the model existed at the time of the drop
+ * operation.
+ */
+ public DropModelEvent(
+ String user, NameIdentifier identifier, ModelInfo dropModelInfo, boolean isExists) {
+ super(user, identifier);
+ this.dropModelInfo = dropModelInfo;
+ this.isExists = isExists;
+ }
+
+ /**
+ * Retrieves the state of the model post-drop operation.
+ *
+ * @return The state of the model post-drop operation.
+ */
+ public ModelInfo DropModelInfo() {
+ return dropModelInfo;
+ }
+
+ /**
+ * Retrieves the existence status of the model at the time of the drop operation.
+ *
+ * @return A boolean value indicating whether the model existed. {@code true} if the model
+ * existed, otherwise {@code false}.
+ */
+ public boolean isExists() {
+ return isExists;
+ }
+
+ /**
+ * Returns the type of operation.
+ *
+ * @return the operation type.
+ */
+ @Override
+ public OperationType operationType() {
+ return OperationType.DROP_MODEL;
+ }
+}
diff --git a/core/src/main/java/org/apache/gravitino/listener/api/event/DropModelVersionEvent.java b/core/src/main/java/org/apache/gravitino/listener/api/event/DropModelVersionEvent.java
new file mode 100644
index 00000000000..d329a2ef676
--- /dev/null
+++ b/core/src/main/java/org/apache/gravitino/listener/api/event/DropModelVersionEvent.java
@@ -0,0 +1,78 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+package org.apache.gravitino.listener.api.event;
+
+import org.apache.gravitino.NameIdentifier;
+import org.apache.gravitino.listener.api.info.ModelInfo;
+
+/**
+ * Represents an event that is generated after a model version is successfully dropped from the
+ * model.
+ */
+public class DropModelVersionEvent extends ModelEvent {
+
+ private final ModelInfo dropModelVersionInfo;
+ private final boolean isExists;
+
+ /**
+ * Constructs a new {@code DropModelVersionEvent} instance, encapsulating information about the
+ * outcome of a model version drop operation.
+ *
+ * @param user The user who initiated the drop model version operation.
+ * @param identifier The identifier of the model that was attempted to be dropped a version.
+ * @param isExists A boolean flag indicating whether the model version existed at the time of the
+ * drop operation.
+ */
+ public DropModelVersionEvent(
+ String user, NameIdentifier identifier, ModelInfo dropModelVersionInfo, boolean isExists) {
+ super(user, identifier);
+ this.dropModelVersionInfo = dropModelVersionInfo;
+ this.isExists = isExists;
+ }
+
+ /**
+ * Retrieves the state of the model after the drop version operation.
+ *
+ * @return The state of the model after the drop version operation.
+ */
+ public ModelInfo DropModelVersionInfo() {
+ return dropModelVersionInfo;
+ }
+
+ /**
+ * Retrieves the existence status of the model version at the time of the drop operation.
+ *
+ * @return A boolean value indicating whether the model version existed. {@code true} if the table
+ * existed, otherwise {@code false}.
+ */
+ public boolean isExists() {
+ return isExists;
+ }
+
+ /**
+ * Returns the type of operation.
+ *
+ * @return the operation type.
+ */
+ @Override
+ public OperationType operationType() {
+ return OperationType.DROP_MODEL_VERSION;
+ }
+}
diff --git a/core/src/main/java/org/apache/gravitino/listener/api/event/GetModelEvent.java b/core/src/main/java/org/apache/gravitino/listener/api/event/GetModelEvent.java
new file mode 100644
index 00000000000..fd10fc5afad
--- /dev/null
+++ b/core/src/main/java/org/apache/gravitino/listener/api/event/GetModelEvent.java
@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+package org.apache.gravitino.listener.api.event;
+
+import org.apache.gravitino.NameIdentifier;
+import org.apache.gravitino.listener.api.info.ModelInfo;
+
+/** Represents an event triggered upon the successful getting of a model. */
+public class GetModelEvent extends ModelEvent {
+ private final ModelInfo modelInfo;
+
+ /**
+ * Constructs an instance of {@code GetModelEvent}, capturing essential details about the
+ * successful getting of a model.
+ *
+ * @param user The username of the individual who initiated the model get.
+ * @param identifier The unique identifier of the model that was get.
+ * @param modelInfo The state of the model post-get.
+ */
+ public GetModelEvent(String user, NameIdentifier identifier, ModelInfo modelInfo) {
+ super(user, identifier);
+ this.modelInfo = modelInfo;
+ }
+
+ /**
+ * Retrieves the state of the model as it was made available to the user after successful getting.
+ *
+ * @return A {@link ModelInfo} instance encapsulating the details of the model as get.
+ */
+ public ModelInfo getModelInfo() {
+ return modelInfo;
+ }
+
+ /**
+ * Returns the type of operation.
+ *
+ * @return the operation type.
+ */
+ @Override
+ public OperationType operationType() {
+ return OperationType.GET_MODEL;
+ }
+}
diff --git a/core/src/main/java/org/apache/gravitino/listener/api/event/GetModelVersionEvent.java b/core/src/main/java/org/apache/gravitino/listener/api/event/GetModelVersionEvent.java
new file mode 100644
index 00000000000..b8519c38edf
--- /dev/null
+++ b/core/src/main/java/org/apache/gravitino/listener/api/event/GetModelVersionEvent.java
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+package org.apache.gravitino.listener.api.event;
+
+import org.apache.gravitino.NameIdentifier;
+import org.apache.gravitino.listener.api.info.ModelInfo;
+
+/** Represents an event triggered upon the successful getting the version of a model. */
+public class GetModelVersionEvent extends ModelEvent {
+ public final ModelInfo GetModelVersionInfo;
+
+ /**
+ * Constructs an instance of {@code GetModelVersionEvent}.
+ *
+ * @param user The username of the individual who initiated the get model version event.
+ * @param identifier The unique identifier of the model that was getting the version.
+ * @param getModelVersionInfo The state of the model after the version was loaded.
+ */
+ public GetModelVersionEvent(
+ String user, NameIdentifier identifier, ModelInfo getModelVersionInfo) {
+ super(user, identifier);
+ GetModelVersionInfo = getModelVersionInfo;
+ }
+
+ /**
+ * Retrieves the state of the model as it was made available to the user after successful getting
+ * the version.
+ *
+ * @return A {@link ModelInfo} instance encapsulating the details of the model version.
+ */
+ public ModelInfo getModelVersionInfo() {
+ return GetModelVersionInfo;
+ }
+
+ /**
+ * Returns the type of operation.
+ *
+ * @return the operation type.
+ */
+ @Override
+ public OperationType operationType() {
+ return OperationType.GET_MODEL_VERSION;
+ }
+}
diff --git a/core/src/main/java/org/apache/gravitino/listener/api/event/LinkModelVersionEvent.java b/core/src/main/java/org/apache/gravitino/listener/api/event/LinkModelVersionEvent.java
new file mode 100644
index 00000000000..17eae5d5de0
--- /dev/null
+++ b/core/src/main/java/org/apache/gravitino/listener/api/event/LinkModelVersionEvent.java
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+package org.apache.gravitino.listener.api.event;
+
+import org.apache.gravitino.NameIdentifier;
+import org.apache.gravitino.listener.api.info.ModelInfo;
+
+/** Represents an event triggered upon the successful linking of a model version. */
+public class LinkModelVersionEvent extends ModelEvent {
+ private ModelInfo linkModelVersionInfo;
+
+ /**
+ * Constructs an instance of {@code LinkModelVersionEvent}, capturing essential details about the
+ * successful linking of a model version.
+ *
+ * @param user The username of the individual who initiated the model version linking.
+ * @param identifier The unique identifier of the model that was linked.
+ * @param linkModelVersionInfo The final state of the model after linking.
+ */
+ public LinkModelVersionEvent(
+ String user, NameIdentifier identifier, ModelInfo linkModelVersionInfo) {
+ super(user, identifier);
+ this.linkModelVersionInfo = linkModelVersionInfo;
+ }
+
+ /**
+ * Retrieves the final state of the model, as it was returned to the user after successful link a
+ * model version.
+ *
+ * @return A {@link ModelInfo} instance encapsulating the comprehensive details of the newly model
+ * version.
+ */
+ public ModelInfo linkModelVersionInfo() {
+ return linkModelVersionInfo;
+ }
+
+ /**
+ * Returns the type of operation.
+ *
+ * @return the operation type.
+ */
+ @Override
+ public OperationType operationType() {
+ return OperationType.LINK_MODEL_VERSION;
+ }
+}
diff --git a/core/src/main/java/org/apache/gravitino/listener/api/event/ListModelEvent.java b/core/src/main/java/org/apache/gravitino/listener/api/event/ListModelEvent.java
new file mode 100644
index 00000000000..cf430e9c6e0
--- /dev/null
+++ b/core/src/main/java/org/apache/gravitino/listener/api/event/ListModelEvent.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+package org.apache.gravitino.listener.api.event;
+
+import org.apache.gravitino.NameIdentifier;
+import org.apache.gravitino.Namespace;
+
+/**
+ * Represents an event that is triggered upon the successful list of models within a namespace.
+ *
+ * To optimize memory usage and avoid the potential overhead associated with storing a large
+ * number of tables directly within the ListTableEvent, the actual tables listed are not maintained
+ * in this event. This design decision helps in managing resource efficiency, especially in
+ * environments with extensive table listings.
+ */
+public class ListModelEvent extends ModelEvent {
+ private final Namespace namespace;
+
+ /**
+ * Constructs an instance of {@code ListTableEvent}.
+ *
+ * @param user The username of the individual who initiated the model listing.
+ * @param namespace The namespace from which models were listed.
+ */
+ public ListModelEvent(String user, Namespace namespace) {
+ super(user, NameIdentifier.of(namespace.levels()));
+ this.namespace = namespace;
+ }
+
+ /**
+ * Provides the namespace associated with this event.
+ *
+ * @return A {@link Namespace} instance from which models were listed.
+ */
+ public Namespace namespace() {
+ return namespace;
+ }
+
+ /**
+ * Returns the type of operation.
+ *
+ * @return the operation type.
+ */
+ @Override
+ public OperationType operationType() {
+ return OperationType.LIST_MODEL;
+ }
+}
diff --git a/core/src/main/java/org/apache/gravitino/listener/api/event/ListModelVersionsEvent.java b/core/src/main/java/org/apache/gravitino/listener/api/event/ListModelVersionsEvent.java
new file mode 100644
index 00000000000..5892b2d73ea
--- /dev/null
+++ b/core/src/main/java/org/apache/gravitino/listener/api/event/ListModelVersionsEvent.java
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+package org.apache.gravitino.listener.api.event;
+
+import org.apache.gravitino.NameIdentifier;
+import org.apache.gravitino.listener.api.info.ModelInfo;
+
+/**
+ * Represents an event that is triggered upon the successful list of model versions within a model.
+ */
+public class ListModelVersionsEvent extends ModelEvent {
+
+ private final ModelInfo listModelVersionInfo;
+
+ /**
+ * Constructs an instance of {@code ListModelVersionsEvent}.
+ *
+ * @param user The username of the individual who initiated the model version listing.
+ * @param identifier The unique identifier of the model that it's version was listed.
+ * @param listModelVersionInfo The model information containing the list of model versions.
+ */
+ public ListModelVersionsEvent(
+ String user, NameIdentifier identifier, ModelInfo listModelVersionInfo) {
+ super(user, identifier);
+ this.listModelVersionInfo = listModelVersionInfo;
+ }
+
+ /**
+ * Retrieves the model information containing the list of model versions.
+ *
+ * @return A {@link ModelInfo} instance containing the list of model versions.
+ */
+ public ModelInfo listModelVersionInfo() {
+ return listModelVersionInfo;
+ }
+
+ /**
+ * Returns the type of operation.
+ *
+ * @return the operation type.
+ */
+ @Override
+ public OperationType operationType() {
+ return OperationType.LIST_MODEL_VERSIONS;
+ }
+}
diff --git a/core/src/main/java/org/apache/gravitino/listener/api/event/ModelEvent.java b/core/src/main/java/org/apache/gravitino/listener/api/event/ModelEvent.java
new file mode 100644
index 00000000000..fff03355c76
--- /dev/null
+++ b/core/src/main/java/org/apache/gravitino/listener/api/event/ModelEvent.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+package org.apache.gravitino.listener.api.event;
+
+import org.apache.gravitino.NameIdentifier;
+
+/**
+ * Represents an abstract base class for events related to Model operations. This class extends
+ * {@link Event} to provide a more specific context involving operations on Models, such as link,
+ * register, or modification. It captures essential information including the user performing the
+ * operation and the identifier of the model being operated on.
+ *
+ *
Concrete implementations of this class should provide additional details pertinent to the
+ * specific type of model operation being represented.
+ */
+public abstract class ModelEvent extends Event {
+
+ /**
+ * Constructs a new ModelEvent with the specified user and model identifier.
+ *
+ * @param user The user responsible for triggering the model operation.
+ * @param identifier The identifier of the Model involved in the operation. This encapsulates
+ * details such as the metalake, catalog, schema, and Model name.
+ */
+ protected ModelEvent(String user, NameIdentifier identifier) {
+ super(user, identifier);
+ }
+
+ @Override
+ public OperationStatus operationStatus() {
+ return OperationStatus.SUCCESS;
+ }
+}
diff --git a/core/src/main/java/org/apache/gravitino/listener/api/event/OperationType.java b/core/src/main/java/org/apache/gravitino/listener/api/event/OperationType.java
index 00cbf1e1a4e..f9e5c9265c5 100644
--- a/core/src/main/java/org/apache/gravitino/listener/api/event/OperationType.java
+++ b/core/src/main/java/org/apache/gravitino/listener/api/event/OperationType.java
@@ -86,5 +86,17 @@ public enum OperationType {
RENAME_VIEW,
LIST_VIEW,
+ // Model event
+ REGISTER_MODEL,
+ DROP_MODEL,
+ GET_MODEL,
+ LIST_MODEL,
+
+ // Model Version
+ LINK_MODEL_VERSION,
+ DROP_MODEL_VERSION,
+ GET_MODEL_VERSION,
+ LIST_MODEL_VERSIONS,
+
UNKNOWN,
}
diff --git a/core/src/main/java/org/apache/gravitino/listener/api/event/RegisterModelEvent.java b/core/src/main/java/org/apache/gravitino/listener/api/event/RegisterModelEvent.java
new file mode 100644
index 00000000000..feeb1a1dfdf
--- /dev/null
+++ b/core/src/main/java/org/apache/gravitino/listener/api/event/RegisterModelEvent.java
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+package org.apache.gravitino.listener.api.event;
+
+import org.apache.gravitino.NameIdentifier;
+import org.apache.gravitino.listener.api.info.ModelInfo;
+
+/** Represents an event triggered upon the successful registration of a model. */
+public class RegisterModelEvent extends ModelEvent {
+ private final ModelInfo registeredTopicInfo;
+
+ /**
+ * Constructs an instance of RegisterModelEvent, capturing essential details about the successful
+ * registration of a model.
+ *
+ * @param user The user responsible for triggering the model operation.
+ * @param identifier The identifier of the Model involved in the operation. This encapsulates
+ * details such as the metalake, catalog, schema, and Model name.
+ * @param registeredTopicInfo The final state of the model post-creation.
+ */
+ protected RegisterModelEvent(
+ String user, NameIdentifier identifier, ModelInfo registeredTopicInfo) {
+ super(user, identifier);
+ this.registeredTopicInfo = registeredTopicInfo;
+ }
+
+ /**
+ * Retrieves the final state of the model as it was returned to the user after successful
+ * registration.
+ *
+ * @return the model information.
+ */
+ public ModelInfo registeredModelInfo() {
+ return registeredTopicInfo;
+ }
+
+ /**
+ * Returns the type of operation.
+ *
+ * @return the operation type.
+ */
+ @Override
+ public OperationType operationType() {
+ return OperationType.REGISTER_MODEL;
+ }
+}
diff --git a/core/src/main/java/org/apache/gravitino/listener/api/info/ModelInfo.java b/core/src/main/java/org/apache/gravitino/listener/api/info/ModelInfo.java
new file mode 100644
index 00000000000..5d271c2347e
--- /dev/null
+++ b/core/src/main/java/org/apache/gravitino/listener/api/info/ModelInfo.java
@@ -0,0 +1,96 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+package org.apache.gravitino.listener.api.info;
+
+import java.util.Map;
+import javax.annotation.Nullable;
+import lombok.Getter;
+import org.apache.gravitino.Audit;
+import org.apache.gravitino.annotation.DeveloperApi;
+import org.apache.gravitino.model.Model;
+import org.apache.gravitino.model.ModelVersion;
+
+/**
+ * ModelInfo exposes model information for event listener, it's supposed to be read only. Most of
+ * the fields are shallow copied internally not deep copies for performance.
+ */
+@DeveloperApi
+public class ModelInfo {
+ @Getter private final String name;
+ @Nullable private final String comment;
+ @Getter private final Map properties;
+ @Nullable private final Audit audit;
+ @Getter private final int lastVersion;
+ private final ModelVersion[] versions;
+
+ /**
+ * Constructs model information based on a given model.
+ *
+ * @param model the model to expose information for.
+ */
+ public ModelInfo(Model model) {
+ this(model, null);
+ }
+
+ /**
+ * Constructs model information based on a given model and model versions.
+ *
+ * @param model the model to expose information for.
+ * @param modelVersion the versions of the model.
+ */
+ public ModelInfo(Model model, ModelVersion[] modelVersion) {
+ this.name = model.name();
+ this.properties = model.properties();
+ this.comment = model.comment();
+ this.audit = model.auditInfo();
+ this.lastVersion = model.latestVersion();
+ this.versions = modelVersion;
+ }
+
+ /**
+ * Returns the comment of the model.
+ *
+ * @return the comment of the model or null if not set.
+ */
+ @Nullable
+ public String getComment() {
+ return comment;
+ }
+
+ /**
+ * Returns the audit information of the model.
+ *
+ * @return the audit information of the model or null if not set.
+ */
+ @Nullable
+ public Audit getAudit() {
+ return audit;
+ }
+
+ /**
+ * Returns the versions of the model.
+ *
+ * @return the versions of the model or null if not set.
+ */
+ @Nullable
+ public ModelVersion[] getModelVersion() {
+ return versions;
+ }
+}
diff --git a/core/src/test/java/org/apache/gravitino/listener/api/event/TestModelEvent.java b/core/src/test/java/org/apache/gravitino/listener/api/event/TestModelEvent.java
new file mode 100644
index 00000000000..4638d22314d
--- /dev/null
+++ b/core/src/test/java/org/apache/gravitino/listener/api/event/TestModelEvent.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+package org.apache.gravitino.listener.api.event;
+
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.TestInstance;
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+public class TestModelEvent {
+
+ @BeforeAll
+ void init() {
+ // TODO: Implement tests for ModelEvent
+ }
+}