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Merge pull request #52 from reactivegroup/feature/metrics
feat: telemetry api
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‎README.md‎

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@@ -120,7 +120,7 @@ For a Maven project, add the following to your pom.xml file:
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<dependency>
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<groupId>group.rxcloud</groupId>
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<artifactId>capa-sdk</artifactId>
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<version>1.0.6.RELEASE</version>
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<version>1.0.7.RELEASE</version>
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</dependency>
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...
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</dependencies>
@@ -140,7 +140,7 @@ Sample implementation library:
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<dependency>
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<groupId>group.rxcloud</groupId>
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<artifactId>capa-sdk-spi-demo</artifactId>
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<version>1.0.6.RELEASE</version>
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<version>1.0.7.RELEASE</version>
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</dependency>
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...
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</dependencies>

‎README_ZH.md‎

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@@ -118,7 +118,7 @@ For a Maven project, add the following to your pom.xml file:
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<dependency>
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<groupId>group.rxcloud</groupId>
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<artifactId>capa-sdk</artifactId>
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<version>1.0.6.RELEASE</version>
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<version>1.0.7.RELEASE</version>
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</dependency>
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...
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</dependencies>
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<dependency>
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<groupId>group.rxcloud</groupId>
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<artifactId>capa-sdk-spi-demo</artifactId>
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<version>1.0.6.RELEASE</version>
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<version>1.0.7.RELEASE</version>
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</dependency>
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...
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</dependencies>

‎examples/pom.xml‎

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@@ -23,15 +23,17 @@
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<parent>
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<artifactId>capa-parent</artifactId>
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<groupId>group.rxcloud</groupId>
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<version>1.0.6.RELEASE</version>
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<version>1.0.7.RELEASE</version>
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</parent>
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<artifactId>capa-examples</artifactId>
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<packaging>jar</packaging>
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<name>capa-sdk-examples</name>
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<properties>
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<log4j.version>2.14.1</log4j.version>
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<log4j.version>2.8.2</log4j.version>
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<logback.version>1.1.7</logback.version>
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<slf4j-api.version>1.7.32</slf4j-api.version>
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</properties>
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<dependencies>
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</exclusion>
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</exclusions>
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</dependency>
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<!-- log4j2 and slf4j -->
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<!-- slf4j -->
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<dependency>
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<groupId>org.apache.logging.log4j</groupId>
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<artifactId>log4j-slf4j-impl</artifactId>
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<version>${log4j.version}</version>
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<exclusions>
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<exclusion>
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<artifactId>log4j-core</artifactId>
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<groupId>org.apache.logging.log4j</groupId>
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</exclusion>
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<exclusion>
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<artifactId>log4j-api</artifactId>
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<groupId>org.apache.logging.log4j</groupId>
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</exclusion>
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</exclusions>
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</dependency>
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<!-- logback -->
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<!-- <dependency>
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<groupId>ch.qos.logback</groupId>
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<artifactId>logback-classic</artifactId>
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<version>${logback.version}</version>
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</dependency>-->
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<!--lombok-->
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>1.18.2</version>
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</dependency>
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</dependencies>
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‎examples/src/main/java/group/rxcloud/capa/examples/log/DemoLog.java‎

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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package group.rxcloud.capa.examples.log;
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import lombok.extern.slf4j.Slf4j;
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/**
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* An application cannot use log4j and logback configuration to print logs at the same time.
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* So if you want to test the log4j2 configuration to print logs, then you need to copy the resources/xml/log4j2.xml file to the resources directory, and then add log4j-slf4j-impl dependency to the pom file.
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* Else if you want to use logback configuration to print logs, then the resources/xml/logback.xml file needs to be copied to the resources path, and the logback-classic dependency needs to be added to the pom file.
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* Notice:
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* 1. Resources cannot contain log4j2.xml and logback.xml files at the same time,
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* 2. log4j-slf4j-impl and logback-classic cannot exist at the same time.
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*/
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@Slf4j
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public class DemoLog {
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public static void main(String[] args) {
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log.info("test");
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}
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}

‎examples/src/main/java/group/rxcloud/capa/examples/telemetry/DemoTelemetryClient.java‎

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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package group.rxcloud.capa.examples.telemetry;
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import group.rxcloud.capa.component.telemetry.metrics.MetricsReaderConfig;
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import group.rxcloud.capa.telemetry.CapaTelemetryClient;
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import group.rxcloud.capa.telemetry.CapaTelemetryClientBuilder;
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import io.opentelemetry.api.metrics.LongCounter;
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import io.opentelemetry.api.trace.Span;
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import io.opentelemetry.api.trace.Tracer;
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import java.util.concurrent.TimeUnit;
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public class DemoTelemetryClient {
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public static void main(String[] args) throws InterruptedException {
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MetricsReaderConfig readerConfig = new MetricsReaderConfig();
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readerConfig.setExporterType(MetricTestExporter.class.getName());
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readerConfig.setName("metric-reader");
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readerConfig.setExportInterval(1, TimeUnit.SECONDS);
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CapaTelemetryClient capaTelemetryClient = new CapaTelemetryClientBuilder()
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.addProcessor(new TraceProcessor())
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.addMetricReaderConfig(readerConfig)
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.build();
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// tracer
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Tracer tracer = capaTelemetryClient.buildTracer("tracer-test")
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.block();
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LongCounter counter = capaTelemetryClient.buildMeter("meter-test")
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.block()
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.counterBuilder("counter-test")
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.build();
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Span span = tracer.spanBuilder("span-test")
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.setAttribute("key1", 1)
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.setAttribute("key2", 2)
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.startSpan();
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// working
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for (int i = 0; i < 50; i++) {
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Thread.sleep(200);
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counter.add(i);
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}
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span.end();
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}
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}

‎examples/src/main/java/group/rxcloud/capa/examples/telemetry/MetricTestExporter.java‎

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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package group.rxcloud.capa.examples.telemetry;
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import io.opentelemetry.sdk.common.CompletableResultCode;
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import io.opentelemetry.sdk.metrics.data.MetricData;
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import io.opentelemetry.sdk.metrics.export.MetricExporter;
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import java.util.Collection;
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public class MetricTestExporter implements MetricExporter {
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@Override
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public CompletableResultCode export(Collection<MetricData> metrics) {
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metrics.forEach(System.out::println);
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return CompletableResultCode.ofSuccess();
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}
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@Override
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public CompletableResultCode flush() {
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return CompletableResultCode.ofSuccess();
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}
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@Override
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public CompletableResultCode shutdown() {
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return CompletableResultCode.ofSuccess();
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}
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}

‎examples/src/main/java/group/rxcloud/capa/examples/telemetry/TraceProcessor.java‎

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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package group.rxcloud.capa.examples.telemetry;
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import io.opentelemetry.context.Context;
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import io.opentelemetry.sdk.trace.ReadWriteSpan;
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import io.opentelemetry.sdk.trace.ReadableSpan;
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import io.opentelemetry.sdk.trace.SpanProcessor;
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public class TraceProcessor implements SpanProcessor {
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@Override
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public void onStart(Context context, ReadWriteSpan span) {
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}
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@Override
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public boolean isStartRequired() {
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return false;
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}
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@Override
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public void onEnd(ReadableSpan span) {
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System.out.println(span.toSpanData());
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}
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@Override
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public boolean isEndRequired() {
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return true;
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}
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}

‎examples/src/main/resources/log4j2.xml‎

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<Console name="Console" target="SYSTEM_OUT">
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<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
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</Console>
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<CapaLog4jAppender name="log"/>
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</Appenders>
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<Loggers>
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<Root level="debug">
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<Root level="INFO">
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<AppenderRef ref="Console"/>
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<AppenderRef ref="log"/>
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</Root>
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</Loggers>
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</Configuration>

‎examples/src/main/resources/xml/log4j2.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<Configuration status="DEBUG">
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<Appenders>
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<Console name="Console" target="SYSTEM_OUT">
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<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
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</Console>
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<CapaLog4jAppender name="log"/>
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</Appenders>
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<Loggers>
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<Root level="INFO">
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<AppenderRef ref="Console"/>
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<AppenderRef ref="log"/>
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</Root>
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</Loggers>
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</Configuration>

‎examples/src/main/resources/xml/logback.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
13+
distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
17+
-->
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<configuration>
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<!--Log-->
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<appender name="Log" class="group.rxcloud.capa.component.log.agent.CapaLogbackAppenderAgent">
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</appender>
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<logger name="com.ctrip.ibu.market.e2c" level="INFO" additivity="false">
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<!-- <appender-ref ref="STDOUT"/>-->
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<appender-ref ref="Log"/>
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</logger>
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<logger name="com.ctrip.ibu.telescope.mock.support" level="INFO" additivity="false">
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<!-- <appender-ref ref="STDOUT"/>-->
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<appender-ref ref="Log"/>
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</logger>
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<root level="INFO">
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<appender-ref ref="Log"/>
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</root>
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</configuration>

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