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Polish apache#3355 : Still exists the issues in service discovery.
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...a/com/alibaba/dubbo/config/spring/beans/factory/annotation/AnnotationBeanNameBuilder.java
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| /* | ||
| * 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 com.alibaba.dubbo.config.spring.beans.factory.annotation; | ||
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| import com.alibaba.dubbo.common.Constants; | ||
| import com.alibaba.dubbo.config.annotation.Reference; | ||
| import com.alibaba.dubbo.config.annotation.Service; | ||
| import com.alibaba.dubbo.registry.Registry; | ||
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| import org.springframework.core.env.Environment; | ||
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| import static com.alibaba.dubbo.common.Constants.CONSUMERS_CATEGORY; | ||
| import static com.alibaba.dubbo.common.Constants.DEFAULT_PROTOCOL; | ||
| import static com.alibaba.dubbo.common.Constants.PROVIDERS_CATEGORY; | ||
| import static com.alibaba.dubbo.config.spring.util.AnnotationUtils.resolveInterfaceName; | ||
| import static org.springframework.util.StringUtils.arrayToCommaDelimitedString; | ||
| import static org.springframework.util.StringUtils.hasText; | ||
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| /** | ||
| * The Bean Name Builder for the annotations {@link Service} and {@link Reference} | ||
| * <p> | ||
| * The naming rule is consistent with the the implementation {@link Registry} that is based on the service-name aware | ||
| * infrastructure, e.g Spring Cloud, Cloud Native and so on. | ||
| * <p> | ||
| * The pattern of bean name : ${category}:${protocol}:${serviceInterface}:${version}:${group}. | ||
| * <p> | ||
| * ${version} and ${group} are optional. | ||
| * | ||
| * @since 2.6.6 | ||
| */ | ||
| class AnnotationBeanNameBuilder { | ||
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| private static final String SEPARATOR = ":"; | ||
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| // Required properties | ||
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| private final String category; | ||
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| private final String protocol; | ||
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| private final String interfaceClassName; | ||
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| // Optional properties | ||
|
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| private String version; | ||
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| private String group; | ||
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| private Environment environment; | ||
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| private AnnotationBeanNameBuilder(String category, String protocol, String interfaceClassName) { | ||
| this.category = category; | ||
| this.protocol = protocol; | ||
| this.interfaceClassName = interfaceClassName; | ||
| } | ||
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| private AnnotationBeanNameBuilder(Service service, Class<?> interfaceClass) { | ||
| this(PROVIDERS_CATEGORY, resolveProtocol(service.protocol()), resolveInterfaceName(service, interfaceClass)); | ||
| this.group(service.group()); | ||
| this.version(service.version()); | ||
| } | ||
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| private AnnotationBeanNameBuilder(Reference reference, Class<?> interfaceClass) { | ||
| this(CONSUMERS_CATEGORY, resolveProtocol(reference.protocol()), resolveInterfaceName(reference, interfaceClass)); | ||
| this.group(reference.group()); | ||
| this.version(reference.version()); | ||
| } | ||
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| public static AnnotationBeanNameBuilder create(Service service, Class<?> interfaceClass) { | ||
| return new AnnotationBeanNameBuilder(service, interfaceClass); | ||
| } | ||
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| public static AnnotationBeanNameBuilder create(Reference reference, Class<?> interfaceClass) { | ||
| return new AnnotationBeanNameBuilder(reference, interfaceClass); | ||
| } | ||
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| private static void append(StringBuilder builder, String value) { | ||
| if (hasText(value)) { | ||
| builder.append(SEPARATOR).append(value); | ||
| } | ||
| } | ||
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| public AnnotationBeanNameBuilder group(String group) { | ||
| this.group = group; | ||
| return this; | ||
| } | ||
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| public AnnotationBeanNameBuilder version(String version) { | ||
| this.version = version; | ||
| return this; | ||
| } | ||
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| public AnnotationBeanNameBuilder environment(Environment environment) { | ||
| this.environment = environment; | ||
| return this; | ||
| } | ||
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| /** | ||
| * Resolve the protocol | ||
| * | ||
| * @param protocols one or more protocols | ||
| * @return if <code>protocols</code> == <code>null</code>, it will return | ||
| * {@link Constants#DEFAULT_PROTOCOL "dubbo"} as the default protocol | ||
| * @see Constants#DEFAULT_PROTOCOL | ||
| */ | ||
| private static String resolveProtocol(String... protocols) { | ||
| String protocol = arrayToCommaDelimitedString(protocols); | ||
| return hasText(protocol) ? protocol : DEFAULT_PROTOCOL; | ||
| } | ||
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| /** | ||
| * Build bean name while resolve the placeholders if possible. | ||
| * | ||
| * @return pattern : ${category}:${protocol}:${serviceInterface}:${version}:${group} | ||
| */ | ||
| public String build() { | ||
| // Append the required properties | ||
| StringBuilder beanNameBuilder = new StringBuilder(category); | ||
| append(beanNameBuilder, protocol); | ||
| append(beanNameBuilder, interfaceClassName); | ||
| // Append the optional properties | ||
| append(beanNameBuilder, version); | ||
| append(beanNameBuilder, group); | ||
| String beanName = beanNameBuilder.toString(); | ||
| // Resolve placeholders | ||
| return environment != null ? environment.resolvePlaceholders(beanName) : beanName; | ||
| } | ||
| } |
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