/
build.gradle
68 lines (59 loc) · 2.18 KB
/
build.gradle
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// The parameters for a single unit of work
interface ReverseParameters extends WorkParameters {
RegularFileProperty getFileToReverse()
DirectoryProperty getDestinationDir()
}
// The implementation of a single unit of work.
abstract class ReverseFile implements WorkAction<ReverseParameters> {
private final FileSystemOperations fileSystemOperations
@Inject
public ReverseFile(FileSystemOperations fileSystemOperations) {
this.fileSystemOperations = fileSystemOperations
}
@Override
void execute() {
def fileToReverse = parameters.fileToReverse.asFile.get()
fileSystemOperations.copy {
from fileToReverse
into parameters.destinationDir
filter { String line -> line.reverse() }
}
if (Boolean.getBoolean("org.gradle.sample.showFileSize")) {
println "Reversed ${fileToReverse.size()} bytes from ${fileToReverse.name}"
}
}
}
abstract class ReverseFiles extends SourceTask {
private final WorkerExecutor workerExecutor
@OutputDirectory
abstract DirectoryProperty getOutputDir()
// The WorkerExecutor will be injected by Gradle at runtime
@Inject
ReverseFiles(WorkerExecutor workerExecutor) {
this.workerExecutor = workerExecutor
}
@TaskAction
void reverseFiles() {
// tag::worker-daemon[]
// Create a WorkQueue with process isolation
WorkQueue workQueue = workerExecutor.processIsolation() { ProcessWorkerSpec spec ->
// Configure the options for the forked process
forkOptions { JavaForkOptions options ->
options.maxHeapSize = "512m"
options.systemProperty "org.gradle.sample.showFileSize", "true"
}
}
// Create and submit a unit of work for each file
source.each { file ->
workQueue.submit(ReverseFile.class) { ReverseParameters parameters ->
parameters.fileToReverse = file
parameters.destinationDir = outputDir
}
}
// end::worker-daemon[]
}
}
task reverseFiles(type: ReverseFiles) {
outputDir = file("${buildDir}/reversed")
source("sources")
}