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opentelemetry-java-instrumentation
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Added some more comments

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Laplie Anderson 2019-09-10 19:43:23 -04:00 committed by GitHub
parent 8915281de2
commit df18c7c0a8
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1 changed files with 15 additions and 9 deletions
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24
dd-smoke-tests/java9-modules/java9-modules.gradle
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@ -12,14 +12,16 @@ jar {
}
}
// This can be made more generic in java.gradle to handle the matrix of
// java versions required and available for each project.
// However since this project is the only one that requires Java 9,
// it's much simpler to just special case it here
// This finds at one version of java >= 9 and uses it to compile this project
// If the current JDK version (the one running gradle) is < 9, we need to find a version >= 9
// to compile this project. java.gradle creates a map of java executables
// called "javaExecutableVersionCache" pulled from the environment.
// This loops over the cache to find a usable jdk.
// Since this project is the only one that requires a version above Java 8
// it's special cased here instead of putting a generic version matcher in java.gradle
if (JavaVersion.VERSION_1_9.compareTo(JavaVersion.current()) > 0) {
def targetJavaHome
// Find a compatible version in the cache
ext.javaExecutableVersionCache.find { key, value ->
if (JavaVersion.VERSION_1_9.compareTo(value) <= 0) {
// JAVA_HOME/bin/java -> JAVA_HOME
@ -31,6 +33,7 @@ if (JavaVersion.VERSION_1_9.compareTo(JavaVersion.current()) > 0) {
}
if (targetJavaHome != null) {
// if we found a compatible jdk, compile the src/main/java9 folder with it
compileMain_java9Java {
options.fork = true
options.forkOptions.javaHome = targetJavaHome
@ -44,12 +47,14 @@ if (JavaVersion.VERSION_1_9.compareTo(JavaVersion.current()) > 0) {
}
}
// For each Test task, creates a jlink image using the specific JAVA_HOME/bin of the test
// At the end, we should have 1 jlink image per JVM. Each one used by a testXXXGenerated task
// java.gradle generates a test task per jdk and assigns the test task its own java executable
// For each Test task, this loop creates a jlink image using the test's executable
// At the end, we have 1 jlink image per JVM: each one used by a testXXXGenerated task
tasks.withType(Test).each {
def javaExecutable = it.executable
def javaVersion = getJavaExecutableVersion(javaExecutable)
// Only Java 9 and above have jlink
if (JavaVersion.VERSION_1_9.compareTo(javaVersion) > 0) {
return
}
@ -62,7 +67,8 @@ tasks.withType(Test).each {
it.doFirst {
delete generatedImageDir
// Run the jlink command to create the image
exec {
commandLine jlinkExecutable, '--no-man-pages', '--no-header-files',
'--add-modules', 'java.instrument,datadog.smoketest.moduleapp',