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@rmannibucau
rmannibucau committed Jul 9, 2018
0 parents commit 823680b75e03c60da2590ebee874e3e5be948d1a
Showing 12 changed files with 637 additions and 0 deletions.
4 .gitignore
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.idea
*.iml
target

10 README.adoc
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= Geronimo Microprofile Health Implementation

[source,xml]
----
<parent>
<groupId>org.apache.geronimo</groupId>
<artifactId>geronimo-health</artifactId>
<version>${project.version}</version>
</parent>
----
220 pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!--
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.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>

<parent>
<groupId>org.apache</groupId>
<artifactId>apache</artifactId>
<version>20</version>
</parent>

<groupId>org.apache.geronimo</groupId>
<artifactId>geronimo-health</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>Geronimo Microprofile Health Implementation</name>

<description>
Apache Geronimo implementation of the Microprofile Health Specification
</description>

<scm>
<connection>scm:git:https://gitbox.apache.org/repos/asf/geronimo-health.git</connection>
<developerConnection>scm:git:https://gitbox.apache.org/repos/asf/geronimo-health.git</developerConnection>
<url>https://gitbox.apache.org/repos/asf/geronimo-health.git</url>
<tag>HEAD</tag>
</scm>

<properties>
<spec.version>1.0</spec.version>
</properties>

<dependencies>
<dependency>
<groupId>org.eclipse.microprofile.health</groupId>
<artifactId>microprofile-health-api</artifactId>
<version>${spec.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-servlet-api</artifactId>
<version>9.0.7</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.geronimo.specs</groupId>
<artifactId>geronimo-jaxrs_2.0_spec</artifactId>
<version>1.0-alpha-1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.geronimo.specs</groupId>
<artifactId>geronimo-json_1.1_spec</artifactId>
<version>1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.geronimo.specs</groupId>
<artifactId>geronimo-jsonb_1.0_spec</artifactId>
<version>1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.geronimo.specs</groupId>
<artifactId>geronimo-interceptor_1.2_spec</artifactId>
<version>1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.geronimo.specs</groupId>
<artifactId>geronimo-atinject_1.0_spec</artifactId>
<version>1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.geronimo.specs</groupId>
<artifactId>geronimo-jcdi_2.0_spec</artifactId>
<version>1.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.geronimo.specs</groupId>
<artifactId>geronimo-annotation_1.3_spec</artifactId>
<version>1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.eclipse.microprofile.config</groupId>
<artifactId>microprofile-config-api</artifactId>
<version>1.2</version>
<scope>provided</scope>
<optional>true</optional>
</dependency>

<dependency> <!-- issue with the cache key -->
<groupId>org.apache.openwebbeans</groupId>
<artifactId>openwebbeans-impl</artifactId>
<version>2.0.5</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.geronimo.specs</groupId>
<artifactId>geronimo-jacc_1.1_spec</artifactId>
<version>1.0.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.arquillian.testng</groupId>
<artifactId>arquillian-testng-container</artifactId>
<version>1.1.13.Final</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.testng</groupId>
<artifactId>testng</artifactId>
<version>6.8.21</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.meecrowave</groupId>
<artifactId>meecrowave-arquillian</artifactId>
<version>1.2.1</version>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>javax.inject</groupId>
<artifactId>javax.inject</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.eclipse.microprofile.health</groupId>
<artifactId>microprofile-health-tck</artifactId>
<version>${spec.version}</version>
<scope>test</scope>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.0</version>
<configuration>
<dependenciesToScan>
<dependency>org.eclipse.microprofile.health:microprofile-health-tck</dependency>
</dependenciesToScan>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.0.2</version>
<configuration>
<archive combine.children="append">
<manifestEntries>
<Automatic-Module-Name>org.apache.geronimo.microprofile.health</Automatic-Module-Name>
</manifestEntries>
</archive>
</configuration>
</plugin>
</plugins>
</build>

<organization>
<name>The Apache Software Foundation</name>
<url>http://www.apache.org/</url>
</organization>

<inceptionYear>2018</inceptionYear>

<licenses>
<license>
<name>Apache License, Version 2.0</name>
<url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
<distribution>repo</distribution>
</license>
</licenses>

<developers>
<developer>
<name>Apache Geronimo Community</name>
<url>https://geronimo.apache.org</url>
<organization>Apache</organization>
</developer>
</developers>

<issueManagement>
<system>ASF JIRA</system>
<url>https://issues.apache.org/jira/browse/GERONIMO</url>
</issueManagement>
</project>
87 src/main/java/org/apache/geronimo/microprofile/impl/health/cdi/GeronimoHealthExtension.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 org.apache.geronimo.microprofile.impl.health.cdi;

import static java.util.stream.Collectors.toList;

import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;

import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.spi.AfterDeploymentValidation;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.BeforeShutdown;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.ProcessBean;

import org.eclipse.microprofile.health.Health;
import org.eclipse.microprofile.health.HealthCheck;

public class GeronimoHealthExtension implements Extension {
private final Collection<Bean<?>> beans = new ArrayList<>();
private final Collection<CreationalContext<?>> contexts = new ArrayList<>();
private List<HealthCheck> checks;

void findChecks(@Observes final ProcessBean<?> bean) {
if (bean.getAnnotated().isAnnotationPresent(Health.class) && bean.getBean().getTypes().contains(HealthCheck.class)) {
beans.add(bean.getBean());
}
}

void start(@Observes final AfterDeploymentValidation afterDeploymentValidation, final BeanManager beanManager) {
checks = beans.stream()
.map(it -> lookup(it, beanManager))
.collect(toList());
}

void stop(@Observes final BeforeShutdown beforeShutdown) {
final IllegalStateException ise = new IllegalStateException("Something went wrong releasing health checks");
contexts.forEach(c -> {
try {
c.release();
} catch (final RuntimeException re) {
ise.addSuppressed(re);
}
});
final Throwable[] suppressed = ise.getSuppressed();
if (suppressed.length == 1) {
throw RuntimeException.class.cast(suppressed[0]);
} else if (suppressed.length > 1) {
throw ise;
}
}

public List<HealthCheck> getChecks() {
return checks;
}

private HealthCheck lookup(final Bean<?> bean, final BeanManager manager) {
final Class<?> type = bean.getBeanClass() == null ? HealthCheck.class : bean.getBeanClass();
final Set<Bean<?>> beans = manager.getBeans(type, bean.getQualifiers().toArray(new Annotation[bean.getQualifiers().size()]));
final Bean<?> resolvedBean = manager.resolve(beans);
final CreationalContext<Object> creationalContext = manager.createCreationalContext(null);
if (!manager.isNormalScope(resolvedBean.getScope())) {
contexts.add(creationalContext);
}
return HealthCheck.class.cast(manager.getReference(resolvedBean, HealthCheck.class, creationalContext));
}
}

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