oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/Layer.java - skywalking - Git at Google

 /*
  * 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.skywalking.oap.server.core.analysis;

 import org.apache.skywalking.oap.server.core.UnexpectedException;

 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;

 /**
  * Layer represents an abstract framework in computer science, such as Operating System(OS_LINUX layer), Kubernetes(k8s
  * layer). This kind of layer would be owners of different services detected from different technology.
  */
 public enum Layer {
     /**
      * Default Layer if the layer is not defined
      */
     UNDEFINED(0, false),

     /**
      * Envoy Access Log Service
      */
     MESH(1, true),

     /**
      * Agent-installed Service
      */
     GENERAL(2, true),

     /**
      * Linux Machine
      */
     OS_LINUX(3, true),

     /**
      * Kubernetes cluster
      */
     K8S(4, true),

     /**
      * Function as a Service
      *
      * Deprecated since 9.7.0. OpenFunction relative features are not maintained anymore.
      */
     @Deprecated
     FAAS(5, true),

     /**
      * Mesh control plane, eg. Istio control plane
      */
     MESH_CP(6, true),

     /**
      * Mesh data plane, eg. Envoy
      */
     MESH_DP(7, true),

     /**
      * Telemetry from real database
      */
     DATABASE(8, true),

     /**
      * Cache service eg. ehcache, guava-cache, memcache
      */
     CACHE(9, true),

     /**
      * Telemetry from the Browser eg. Apache SkyWalking Client JS
      */
     BROWSER(10, true),

     /**
      * Self Observability of OAP
      */
     SO11Y_OAP(11, true),

     /**
      * Self Observability of Satellite
      */
     SO11Y_SATELLITE(12, true),

     /**
      * Telemetry from the real MQ
      */
     MQ(13, true),

     /**
      * Database conjectured by client side plugin
      */
     VIRTUAL_DATABASE(14, false),

     /**
      * MQ conjectured by client side plugin
      */
     VIRTUAL_MQ(15, false),

     /**
      * The uninstrumented gateways configured in OAP
      */
     VIRTUAL_GATEWAY(16, false),

     /**
      * Kubernetes service
      */
     K8S_SERVICE(17, true),

     /**
      * MySQL Server, also known as mysqld, is a single multithreaded program that does most of the work in a MySQL
      * installation.
      */
     MYSQL(18, true),

     /**
      * Cache conjectured by client side plugin(eg. skywalking-java -&gt; JedisPlugin LettucePlugin)
      */
     VIRTUAL_CACHE(19, false),

     /**
      * PostgreSQL is an advanced, enterprise-class, and open-source relational database system.
      */
     POSTGRESQL(20, true),

     /**
      * Apache APISIX is an open source, dynamic, scalable, and high-performance cloud native API gateway.
      */
     APISIX(21, true),

     /**
      * EKS (Amazon Elastic Kubernetes Service) is k8s service provided by AWS Cloud
      */
     AWS_EKS(22, true),

     /**
      * Windows Machine
      */
     OS_WINDOWS(23, true),

     /**
      * Amazon Simple Storage Service (Amazon S3) is an object storage service provided by AWS Cloud
      */
     AWS_S3(24, true),

     /**
      * Amazon DynamoDB is a fully managed NoSQL database service that provides
      * fast and predictable performance with seamless scalability.
      */
     AWS_DYNAMODB(25, true),

     /**
      * Amazon API Gateway is an AWS service for creating, publishing, maintaining, monitoring, and securing REST, HTTP,
      * and WebSocket APIs at any scale.
      */
     AWS_GATEWAY(26, true),

     /**
      * Redis is an open source (BSD licensed), in-memory data structure store,
      * used as a database, cache, and message broker.
      */
     REDIS(27, true),

     /**
      * Elasticsearch is a distributed, open source search and analytics engine for all types of data,
      * including textual, numerical, geospatial, structured, and unstructured.
      */
     ELASTICSEARCH(28, true),

     /**
      * RabbitMQ is one of the most popular open source message brokers. RabbitMQ is lightweight and easy to deploy
      * on premises and in the cloud. It supports multiple messaging protocols.
      */
     RABBITMQ(29, true),

     /**
      * MongoDB is a document database. It stores data in a type of JSON format called BSON.
      */
     MONGODB(30, true),

     /**
      * Kafka is a distributed streaming platform that is used publish and subscribe to streams of records.
      */
     KAFKA(31, true),

     /**
      * Pulsar is a distributed pub-sub messaging platform that provides high-performance, durable messaging.
      * It is used to publish and subscribe to streams of records.
      * Pulsar supports scalable and fault-tolerant messaging, making it suitable for use in distributed systems.
      */
     PULSAR(32, true),

     /**
      * A scalable, fault-tolerant, and low-latency storage service optimized for real-time workloads.
      */
     BOOKKEEPER(33, true),

     /**
      * Nginx is an HTTP and reverse proxy server, a mail proxy server, and a generic TCP/UDP proxy server.
      */
     NGINX(34, true),

     /**
      * A cloud native messaging and streaming platform, making it simple to build event-driven applications.
      */
     ROCKETMQ(35, true),

     /**
      * A high-performance, column-oriented SQL database management system (DBMS) for online analytical processing (OLAP).
      */
     CLICKHOUSE(36, true),

     /**
      *  ActiveMQ is a popular open source, multi-protocol, Java-based message broker.
      */
     ACTIVEMQ(37, true);

     private final int value;
     /**
      * The `normal` status represents this service is detected by an agent. The `un-normal` service is conjectured by
      * telemetry data collected from agents on/in the `normal` service.
      */
     private final boolean isNormal;
     private static final Map<Integer, Layer> DICTIONARY = new HashMap<>();
     private static final Map<String, Layer> DICTIONARY_NAME = new HashMap<>();

     static {
         Arrays.stream(Layer.values()).forEach(l -> {
             DICTIONARY.put(l.value, l);
             DICTIONARY_NAME.put(l.name(), l);
         });
     }

     Layer(int value, boolean isNormal) {
         this.value = value;
         this.isNormal = isNormal;
     }

     public int value() {
         return value;
     }

     public static Layer valueOf(int value) {
         Layer layer = DICTIONARY.get(value);
         if (layer == null) {
             throw new UnexpectedException("Unknown Layer value");
         }
         return layer;
     }

     public static Layer nameOf(String name) {
         Layer layer = DICTIONARY_NAME.get(name);
         if (layer == null) {
             return UNDEFINED;
         }
         return layer;
     }

     public boolean isNormal() {
         return isNormal;
     }
 }
	/*
	* 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.skywalking.oap.server.core.analysis;

	import org.apache.skywalking.oap.server.core.UnexpectedException;

	import java.util.Arrays;
	import java.util.HashMap;
	import java.util.Map;

	/**
	* Layer represents an abstract framework in computer science, such as Operating System(OS_LINUX layer), Kubernetes(k8s
	* layer). This kind of layer would be owners of different services detected from different technology.
	*/
	public enum Layer {
	/**
	* Default Layer if the layer is not defined
	*/
	UNDEFINED(0, false),

	/**
	* Envoy Access Log Service
	*/
	MESH(1, true),

	/**
	* Agent-installed Service
	*/
	GENERAL(2, true),

	/**
	* Linux Machine
	*/
	OS_LINUX(3, true),

	/**
	* Kubernetes cluster
	*/
	K8S(4, true),

	/**
	* Function as a Service
	*
	* Deprecated since 9.7.0. OpenFunction relative features are not maintained anymore.
	*/
	@Deprecated
	FAAS(5, true),

	/**
	* Mesh control plane, eg. Istio control plane
	*/
	MESH_CP(6, true),

	/**
	* Mesh data plane, eg. Envoy
	*/
	MESH_DP(7, true),

	/**
	* Telemetry from real database
	*/
	DATABASE(8, true),

	/**
	* Cache service eg. ehcache, guava-cache, memcache
	*/
	CACHE(9, true),

	/**
	* Telemetry from the Browser eg. Apache SkyWalking Client JS
	*/
	BROWSER(10, true),

	/**
	* Self Observability of OAP
	*/
	SO11Y_OAP(11, true),

	/**
	* Self Observability of Satellite
	*/
	SO11Y_SATELLITE(12, true),

	/**
	* Telemetry from the real MQ
	*/
	MQ(13, true),

	/**
	* Database conjectured by client side plugin
	*/
	VIRTUAL_DATABASE(14, false),

	/**
	* MQ conjectured by client side plugin
	*/
	VIRTUAL_MQ(15, false),

	/**
	* The uninstrumented gateways configured in OAP
	*/
	VIRTUAL_GATEWAY(16, false),

	/**
	* Kubernetes service
	*/
	K8S_SERVICE(17, true),

	/**
	* MySQL Server, also known as mysqld, is a single multithreaded program that does most of the work in a MySQL
	* installation.
	*/
	MYSQL(18, true),

	/**
	* Cache conjectured by client side plugin(eg. skywalking-java -> JedisPlugin LettucePlugin)
	*/
	VIRTUAL_CACHE(19, false),

	/**
	* PostgreSQL is an advanced, enterprise-class, and open-source relational database system.
	*/
	POSTGRESQL(20, true),

	/**
	* Apache APISIX is an open source, dynamic, scalable, and high-performance cloud native API gateway.
	*/
	APISIX(21, true),

	/**
	* EKS (Amazon Elastic Kubernetes Service) is k8s service provided by AWS Cloud
	*/
	AWS_EKS(22, true),

	/**
	* Windows Machine
	*/
	OS_WINDOWS(23, true),

	/**
	* Amazon Simple Storage Service (Amazon S3) is an object storage service provided by AWS Cloud
	*/
	AWS_S3(24, true),

	/**
	* Amazon DynamoDB is a fully managed NoSQL database service that provides
	* fast and predictable performance with seamless scalability.
	*/
	AWS_DYNAMODB(25, true),

	/**
	* Amazon API Gateway is an AWS service for creating, publishing, maintaining, monitoring, and securing REST, HTTP,
	* and WebSocket APIs at any scale.
	*/
	AWS_GATEWAY(26, true),

	/**
	* Redis is an open source (BSD licensed), in-memory data structure store,
	* used as a database, cache, and message broker.
	*/
	REDIS(27, true),

	/**
	* Elasticsearch is a distributed, open source search and analytics engine for all types of data,
	* including textual, numerical, geospatial, structured, and unstructured.
	*/
	ELASTICSEARCH(28, true),

	/**
	* RabbitMQ is one of the most popular open source message brokers. RabbitMQ is lightweight and easy to deploy
	* on premises and in the cloud. It supports multiple messaging protocols.
	*/
	RABBITMQ(29, true),

	/**
	* MongoDB is a document database. It stores data in a type of JSON format called BSON.
	*/
	MONGODB(30, true),

	/**
	* Kafka is a distributed streaming platform that is used publish and subscribe to streams of records.
	*/
	KAFKA(31, true),

	/**
	* Pulsar is a distributed pub-sub messaging platform that provides high-performance, durable messaging.
	* It is used to publish and subscribe to streams of records.
	* Pulsar supports scalable and fault-tolerant messaging, making it suitable for use in distributed systems.
	*/
	PULSAR(32, true),

	/**
	* A scalable, fault-tolerant, and low-latency storage service optimized for real-time workloads.
	*/
	BOOKKEEPER(33, true),

	/**
	* Nginx is an HTTP and reverse proxy server, a mail proxy server, and a generic TCP/UDP proxy server.
	*/
	NGINX(34, true),

	/**
	* A cloud native messaging and streaming platform, making it simple to build event-driven applications.
	*/
	ROCKETMQ(35, true),

	/**
	* A high-performance, column-oriented SQL database management system (DBMS) for online analytical processing (OLAP).
	*/
	CLICKHOUSE(36, true),

	/**
	* ActiveMQ is a popular open source, multi-protocol, Java-based message broker.
	*/
	ACTIVEMQ(37, true);

	private final int value;
	/**
	* The `normal` status represents this service is detected by an agent. The `un-normal` service is conjectured by
	* telemetry data collected from agents on/in the `normal` service.
	*/
	private final boolean isNormal;
	private static final Map<Integer, Layer> DICTIONARY = new HashMap<>();
	private static final Map<String, Layer> DICTIONARY_NAME = new HashMap<>();

	static {
	Arrays.stream(Layer.values()).forEach(l -> {
	DICTIONARY.put(l.value, l);
	DICTIONARY_NAME.put(l.name(), l);
	});
	}

	Layer(int value, boolean isNormal) {
	this.value = value;
	this.isNormal = isNormal;
	}

	public int value() {
	return value;
	}

	public static Layer valueOf(int value) {
	Layer layer = DICTIONARY.get(value);
	if (layer == null) {
	throw new UnexpectedException("Unknown Layer value");
	}
	return layer;
	}

	public static Layer nameOf(String name) {
	Layer layer = DICTIONARY_NAME.get(name);
	if (layer == null) {
	return UNDEFINED;
	}
	return layer;
	}

	public boolean isNormal() {
	return isNormal;
	}
	}