Merge branch 'apache:master' into master

inlong-agent/agent-common/src/main/java/org/apache/inlong/agent/plugin/Instance.java

@@ -0,0 +1,56 @@
+/*
+ * 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.inlong.agent.plugin;
+
+import org.apache.inlong.agent.conf.InstanceProfile;
+import org.apache.inlong.agent.state.AbstractStateWrapper;
+
+import java.io.IOException;
+
+/**
+ * Instance interface, which generated by task in condition.
+ */
+public abstract class Instance extends AbstractStateWrapper {
+
+    /**
+     * init instance by instance profile
+     *
+     * @throws IOException
+     */
+    public abstract void init(Object instanceManager, InstanceProfile profile);
+
+    /**
+     * destroy instance.
+     */
+    public abstract void destroy();
+
+    /**
+     * get instance profile
+     */
+    public abstract InstanceProfile getProfile();
+
+    /**
+     * get task id
+     */
+    public abstract String getTaskId();
+
+    /**
+     * get instance id
+     */
+    public abstract String getInstanceId();
+}