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[Bugfix] Removed unused class for circuit-breaker module (2020) (#456)

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1
CHANGELOG.md
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@ -7,3 +7,4 @@
- [Add configurable heartbeat interval support](https://github.com/Tencent/spring-cloud-tencent/pull/443) - [Add configurable heartbeat interval support](https://github.com/Tencent/spring-cloud-tencent/pull/443)
- [feat:enhance Feign and RestTemplate and support Polaris monitor.](https://github.com/Tencent/spring-cloud-tencent/pull/446) - [feat:enhance Feign and RestTemplate and support Polaris monitor.](https://github.com/Tencent/spring-cloud-tencent/pull/446)
- [Optimize feign & rest-template circuit-breaker logic](https://github.com/Tencent/spring-cloud-tencent/pull/453) - [Optimize feign & rest-template circuit-breaker logic](https://github.com/Tencent/spring-cloud-tencent/pull/453)
- [Bugfix: Removed unused class for circuit-breaker module](https://github.com/Tencent/spring-cloud-tencent/pull/456)

92
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/AbstractPolarisCircuitBreakAdapter.java
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@ -1,92 +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.polaris.circuitbreaker;
import java.util.List;
import java.util.Objects;
import com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerProperties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.lang.Nullable;
import static org.springframework.http.HttpStatus.INTERNAL_SERVER_ERROR;
/**
* Abstract Polaris Circuit-Break Adapter .
*
* @author <a href="mailto:iskp.me@gmail.com">Elve.Xu</a> 2022-07-11
*/
public abstract class AbstractPolarisCircuitBreakAdapter {
private static final Logger LOG = LoggerFactory.getLogger(AbstractPolarisCircuitBreakAdapter.class);
protected final PolarisCircuitBreakerProperties properties;
/**
* Constructor With {@link PolarisCircuitBreakerProperties} .
*
* @param properties instance of {@link PolarisCircuitBreakerProperties}.
*/
protected AbstractPolarisCircuitBreakAdapter(PolarisCircuitBreakerProperties properties) {
this.properties = properties;
}
/**
* Callback after completion of request processing, Check if business meltdown reporting is required.
*
* @param httpStatus request http status code
* @return true , otherwise return false .
*/
protected boolean apply(@Nullable HttpStatus httpStatus) {
if (Objects.isNull(httpStatus)) {
return false;
}
else {
// statuses > series
List<HttpStatus> status = properties.getStatuses();
if (status.isEmpty()) {
List<HttpStatus.Series> series = properties.getSeries();
// Check INTERNAL_SERVER_ERROR (500) status.
if (properties.getIgnoreInternalServerError() && Objects.equals(httpStatus, INTERNAL_SERVER_ERROR)) {
return false;
}
if (series.isEmpty()) {
return false;
}
else {
try {
return series.contains(HttpStatus.Series.valueOf(httpStatus));
}
catch (Exception e) {
LOG.warn("Decode http status failed.", e);
}
}
}
else {
// Use the user-specified fuse status code.
return status.contains(httpStatus);
}
}
// DEFAULT RETURN FALSE.
return false;
}
}

113
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/config/PolarisCircuitBreakerProperties.java
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@ -1,113 +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.polaris.circuitbreaker.config;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.http.HttpStatus;
import static org.springframework.http.HttpStatus.BAD_GATEWAY;
import static org.springframework.http.HttpStatus.BANDWIDTH_LIMIT_EXCEEDED;
import static org.springframework.http.HttpStatus.GATEWAY_TIMEOUT;
import static org.springframework.http.HttpStatus.HTTP_VERSION_NOT_SUPPORTED;
import static org.springframework.http.HttpStatus.INSUFFICIENT_STORAGE;
import static org.springframework.http.HttpStatus.LOOP_DETECTED;
import static org.springframework.http.HttpStatus.NETWORK_AUTHENTICATION_REQUIRED;
import static org.springframework.http.HttpStatus.NOT_EXTENDED;
import static org.springframework.http.HttpStatus.NOT_IMPLEMENTED;
import static org.springframework.http.HttpStatus.SERVICE_UNAVAILABLE;
import static org.springframework.http.HttpStatus.VARIANT_ALSO_NEGOTIATES;
/**
* Properties of Polaris CircuitBreaker .
*
* @author <a href="mailto:iskp.me@gmail.com">Elve.Xu</a> 2022-07-08
*/
@ConfigurationProperties("spring.cloud.polaris.circuitbreaker")
public class PolarisCircuitBreakerProperties {
/**
* If circuit-breaker enabled.
*/
private Boolean enabled = true;
/**
* Specify the Http status code(s) that needs to be fused.
*/
private List<HttpStatus> statuses = toList(NOT_IMPLEMENTED, BAD_GATEWAY,
SERVICE_UNAVAILABLE, GATEWAY_TIMEOUT, HTTP_VERSION_NOT_SUPPORTED, VARIANT_ALSO_NEGOTIATES,
INSUFFICIENT_STORAGE, LOOP_DETECTED, BANDWIDTH_LIMIT_EXCEEDED, NOT_EXTENDED, NETWORK_AUTHENTICATION_REQUIRED);
/**
* Specify List of HTTP status series.
*/
private List<HttpStatus.Series> series = toList(HttpStatus.Series.SERVER_ERROR);
/**
* Ignore Internal Server Error Http Status Code,
* Only takes effect if the attribute {@link PolarisCircuitBreakerProperties#series} is not empty.
*/
private Boolean ignoreInternalServerError = true;
/**
* Convert items to List.
*
* @param items item arrays
* @param <T> Object Generics.
* @return list
*/
@SafeVarargs
private static <T> List<T> toList(T... items) {
return new ArrayList<>(Arrays.asList(items));
}
public Boolean getEnabled() {
return enabled;
}
public void setEnabled(Boolean enabled) {
this.enabled = enabled;
}
public List<HttpStatus> getStatuses() {
return statuses;
}
public void setStatuses(List<HttpStatus> statuses) {
this.statuses = statuses;
}
public List<HttpStatus.Series> getSeries() {
return series;
}
public void setSeries(List<HttpStatus.Series> series) {
this.series = series;
}
public Boolean getIgnoreInternalServerError() {
return ignoreInternalServerError;
}
public void setIgnoreInternalServerError(Boolean ignoreInternalServerError) {
this.ignoreInternalServerError = ignoreInternalServerError;
}
}

117
spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/AbstractPolarisCircuitBreakAdapterTest.java
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@ -1,117 +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.polaris.circuitbreaker;
import com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerProperties;
import org.assertj.core.api.Assertions;
import org.junit.Test;
import org.springframework.http.HttpStatus;
/**
* Test For {@link AbstractPolarisCircuitBreakAdapter}.
*
* @author <a href="mailto:iskp.me@gmail.com">Elve.Xu</a>
* @version ${project.version} - 2022/7/11
*/
public class AbstractPolarisCircuitBreakAdapterTest {
@Test
public void testApplyWithDefaultConfig() {
PolarisCircuitBreakerProperties properties = new PolarisCircuitBreakerProperties();
// Mock Condition
SimplePolarisCircuitBreakAdapter adapter = new SimplePolarisCircuitBreakAdapter(properties);
// Assert
Assertions.assertThat(adapter.apply(HttpStatus.OK)).isEqualTo(false);
Assertions.assertThat(adapter.apply(HttpStatus.INTERNAL_SERVER_ERROR)).isEqualTo(false);
Assertions.assertThat(adapter.apply(HttpStatus.BAD_GATEWAY)).isEqualTo(true);
}
@Test
public void testApplyWithoutIgnoreInternalServerError() {
PolarisCircuitBreakerProperties properties = new PolarisCircuitBreakerProperties();
// Mock Condition
properties.getStatuses().clear();
properties.setIgnoreInternalServerError(false);
SimplePolarisCircuitBreakAdapter adapter = new SimplePolarisCircuitBreakAdapter(properties);
// Assert
Assertions.assertThat(adapter.apply(HttpStatus.OK)).isEqualTo(false);
Assertions.assertThat(adapter.apply(HttpStatus.INTERNAL_SERVER_ERROR)).isEqualTo(true);
Assertions.assertThat(adapter.apply(HttpStatus.BAD_GATEWAY)).isEqualTo(true);
}
@Test
public void testApplyWithIgnoreInternalServerError() {
PolarisCircuitBreakerProperties properties = new PolarisCircuitBreakerProperties();
// Mock Condition
properties.getStatuses().clear();
properties.setIgnoreInternalServerError(true);
SimplePolarisCircuitBreakAdapter adapter = new SimplePolarisCircuitBreakAdapter(properties);
// Assert
Assertions.assertThat(adapter.apply(HttpStatus.OK)).isEqualTo(false);
Assertions.assertThat(adapter.apply(HttpStatus.INTERNAL_SERVER_ERROR)).isEqualTo(false);
Assertions.assertThat(adapter.apply(HttpStatus.BAD_GATEWAY)).isEqualTo(true);
}
@Test
public void testApplyWithoutSeries() {
PolarisCircuitBreakerProperties properties = new PolarisCircuitBreakerProperties();
// Mock Condition
properties.getStatuses().clear();
properties.getSeries().clear();
SimplePolarisCircuitBreakAdapter adapter = new SimplePolarisCircuitBreakAdapter(properties);
// Assert
Assertions.assertThat(adapter.apply(HttpStatus.OK)).isEqualTo(false);
Assertions.assertThat(adapter.apply(HttpStatus.INTERNAL_SERVER_ERROR)).isEqualTo(false);
Assertions.assertThat(adapter.apply(HttpStatus.BAD_GATEWAY)).isEqualTo(false);
}
@Test
public void testApplyWithSeries() {
PolarisCircuitBreakerProperties properties = new PolarisCircuitBreakerProperties();
// Mock Condition
properties.getStatuses().clear();
properties.getSeries().clear();
properties.getSeries().add(HttpStatus.Series.CLIENT_ERROR);
SimplePolarisCircuitBreakAdapter adapter = new SimplePolarisCircuitBreakAdapter(properties);
// Assert
Assertions.assertThat(adapter.apply(HttpStatus.OK)).isEqualTo(false);
Assertions.assertThat(adapter.apply(HttpStatus.INTERNAL_SERVER_ERROR)).isEqualTo(false);
Assertions.assertThat(adapter.apply(HttpStatus.BAD_GATEWAY)).isEqualTo(false);
Assertions.assertThat(adapter.apply(HttpStatus.FORBIDDEN)).isEqualTo(true);
}
/**
* Simple Polaris CircuitBreak Adapter Implements .
*/
public static class SimplePolarisCircuitBreakAdapter extends AbstractPolarisCircuitBreakAdapter {
public SimplePolarisCircuitBreakAdapter(PolarisCircuitBreakerProperties properties) {
super(properties);
}
}
}
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