feature:add example and drop useless code

spring-cloud-tencent-examples/polaris-discovery-example/discovery-callee-service/pom.xml

@@ -19,6 +19,11 @@
 			<artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
 		</dependency>
 
+		<dependency>
+			<groupId>com.tencent.cloud</groupId>
+			<artifactId>spring-cloud-tencent-pushgateway-plugin</artifactId>
+		</dependency>
+
 		<!--		<dependency>-->
 		<!--			<groupId>org.springframework.cloud</groupId>-->
 		<!--			<artifactId>spring-cloud-starter-consul-discovery</artifactId>-->

spring-cloud-tencent-examples/polaris-discovery-example/discovery-callee-service/src/main/resources/bootstrap.yml

@@ -14,6 +14,9 @@ spring:
       stat:
         enabled: true
         port: 28082
+        pushgateway:
+          enabled: true
+          address: 127.0.0.1:9091
     tencent:
       metadata:
         content:

spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/pom.xml

@@ -23,6 +23,10 @@
 			<artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
 		</dependency>
 
+		<dependency>
+			<groupId>com.tencent.cloud</groupId>
+			<artifactId>spring-cloud-tencent-pushgateway-plugin</artifactId>
+		</dependency>
 		<!--        <dependency>-->
 		<!--            <groupId>org.springframework.cloud</groupId>-->
 		<!--            <artifactId>spring-cloud-starter-consul-discovery</artifactId>-->

spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/src/main/resources/bootstrap.yml

@@ -18,6 +18,9 @@ spring:
       stat:
         enabled: true
         port: 28081
+        pushgateway:
+          enabled: true
+          address: 127.0.0.1
 #    consul:
 #      port: 8500
 #      host: 127.0.0.1

spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/condition/ConditionalOnPushGatewayEnabled.java

@@ -1,35 +0,0 @@
-/*
- * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
- *
- * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
- *
- * Licensed under the BSD 3-Clause License (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * https://opensource.org/licenses/BSD-3-Clause
- *
- * 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 com.tencent.cloud.rpc.enhancement.condition;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-import org.springframework.context.annotation.Conditional;
-
-/**
- * @author lingxiao.wlx
- */
-@Retention(RetentionPolicy.RUNTIME)
-@Target({ElementType.TYPE, ElementType.METHOD})
-@Conditional(PushGatewayCondition.class)
-public @interface ConditionalOnPushGatewayEnabled {
-}

spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/condition/PushGatewayCondition.java

@@ -1,46 +0,0 @@
-/*
- * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
- *
- * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
- *
- * Licensed under the BSD 3-Clause License (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * https://opensource.org/licenses/BSD-3-Clause
- *
- * 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 com.tencent.cloud.rpc.enhancement.condition;
-
-import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
-import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
-import org.springframework.context.annotation.ConditionContext;
-import org.springframework.core.env.Environment;
-import org.springframework.core.type.AnnotatedTypeMetadata;
-
-/**
- * @author lingxiao.wlx
- */
-public class PushGatewayCondition extends SpringBootCondition {
-
-	private static final String POLARIS_STAT_PUSH_GATEWAY_ENABLED = "spring.cloud.polaris.stat.pushgateway.enabled";
-
-	private static final String POLARIS_STAT_ENABLED = "spring.cloud.polaris.stat.enabled";
-
-	@Override
-	public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
-		Environment environment = context.getEnvironment();
-		Boolean statEnabled = environment.getProperty(POLARIS_STAT_ENABLED, Boolean.class, false);
-		Boolean statPushGatewayEnabled = environment.getProperty(POLARIS_STAT_PUSH_GATEWAY_ENABLED, Boolean.class, false);
-		if (statEnabled && statPushGatewayEnabled) {
-			return ConditionOutcome.match("matched");
-		}
-		return ConditionOutcome.noMatch("matched");
-	}
-}