*/
package org.opendaylight.mdsal.binding.maven.api.gen.plugin;
+import static java.util.Objects.requireNonNull;
+
import com.google.common.base.Joiner;
-import com.google.common.base.Preconditions;
+import com.google.common.base.Stopwatch;
+import com.google.common.base.Throwables;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSet.Builder;
+import com.google.common.collect.ListMultimap;
+import com.google.common.collect.MultimapBuilder;
+import com.google.common.collect.Table;
+import com.google.common.collect.Table.Cell;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.ListeningExecutorService;
+import com.google.common.util.concurrent.MoreExecutors;
import java.io.BufferedWriter;
import java.io.File;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
+import java.util.Map.Entry;
import java.util.Optional;
import java.util.Set;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ForkJoinPool;
import java.util.function.Function;
+import java.util.function.Supplier;
+import java.util.stream.Collectors;
import org.apache.maven.project.MavenProject;
import org.opendaylight.mdsal.binding.generator.impl.BindingGeneratorImpl;
import org.opendaylight.mdsal.binding.java.api.generator.GeneratorJavaFile;
+import org.opendaylight.mdsal.binding.java.api.generator.GeneratorJavaFile.FileKind;
import org.opendaylight.mdsal.binding.java.api.generator.YangModuleInfoTemplate;
import org.opendaylight.mdsal.binding.model.api.Type;
-import org.opendaylight.mdsal.binding.model.util.BindingGeneratorUtil;
-import org.opendaylight.yangtools.yang.binding.BindingMapping;
+import org.opendaylight.mdsal.binding.spec.naming.BindingMapping;
import org.opendaylight.yangtools.yang.binding.YangModelBindingProvider;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang2sources.spi.BasicCodeGenerator;
import org.opendaylight.yangtools.yang2sources.spi.BuildContextAware;
import org.opendaylight.yangtools.yang2sources.spi.MavenProjectAware;
import org.sonatype.plexus.build.incremental.BuildContext;
public final class CodeGeneratorImpl implements BasicCodeGenerator, BuildContextAware, MavenProjectAware {
+ public static final String CONFIG_PERSISTENT_SOURCES_DIR = "persistentSourcesDir";
+ public static final String CONFIG_IGNORE_DUPLICATE_FILES = "ignoreDuplicateFiles";
+
private static final Logger LOG = LoggerFactory.getLogger(CodeGeneratorImpl.class);
private static final String FS = File.separator;
private BuildContext buildContext;
private File resourceBaseDir;
@Override
- public Collection<File> generateSources(final SchemaContext context, final File outputDir,
+ public Collection<File> generateSources(final EffectiveModelContext context, final File outputDir,
final Set<Module> yangModules, final Function<Module, Optional<String>> moduleResourcePathResolver)
throws IOException {
final File outputBaseDir;
outputBaseDir = outputDir == null ? getDefaultOutputBaseDir() : outputDir;
+ // Step one: determine binding types which we are generating
+ final Stopwatch sw = Stopwatch.createStarted();
final List<Type> types = new BindingGeneratorImpl().generateTypes(context, yangModules);
- final GeneratorJavaFile generator = new GeneratorJavaFile(buildContext, types);
+ LOG.info("Found {} Binding types in {}", types.size(), sw);
+
+ final GeneratorJavaFile generator = new GeneratorJavaFile(types);
File persistentSourcesDir = null;
+ boolean ignoreDuplicateFiles = true;
if (additionalConfig != null) {
- String persistenSourcesPath = additionalConfig.get("persistentSourcesDir");
+ String persistenSourcesPath = additionalConfig.get(CONFIG_PERSISTENT_SOURCES_DIR);
if (persistenSourcesPath != null) {
persistentSourcesDir = new File(persistenSourcesPath);
}
+ String ignoreDuplicateFilesString = additionalConfig.get(CONFIG_IGNORE_DUPLICATE_FILES);
+ if (ignoreDuplicateFilesString != null) {
+ ignoreDuplicateFiles = Boolean.parseBoolean(ignoreDuplicateFilesString);
+ }
}
if (persistentSourcesDir == null) {
persistentSourcesDir = new File(projectBaseDir, "src" + FS + "main" + FS + "java");
}
- List<File> result = generator.generateToFile(outputBaseDir, persistentSourcesDir);
+ final Table<FileKind, String, Supplier<String>> generatedFiles = generator.generateFileContent(
+ ignoreDuplicateFiles);
+
+ // Step two: create generation tasks for each target file and group them by parent directory
+ final ListMultimap<Path, GenerationTask> dirs = MultimapBuilder.hashKeys().arrayListValues().build();
+ for (Cell<FileKind, String, Supplier<String>> cell : generatedFiles.cellSet()) {
+ final File target;
+ switch (cell.getRowKey()) {
+ case PERSISTENT:
+ target = new File(persistentSourcesDir, cell.getColumnKey());
+ if (target.exists()) {
+ LOG.debug("Skipping existing persistent {}", target);
+ continue;
+ }
+ break;
+ case TRANSIENT:
+ target = new File(outputBaseDir, cell.getColumnKey());
+ break;
+ default:
+ throw new IllegalStateException("Unsupported file type in " + cell);
+ }
+
+ dirs.put(target.getParentFile().toPath(), new GenerationTask(buildContext, target, cell.getValue()));
+ }
+ LOG.info("Generating {} Binding source files into {} directories", dirs.size(), dirs.keySet().size());
+
+ // Step three: wrap common FJ pool, submit parent directory creation tasks and wait for them to complete
+ sw.reset().start();
+ final ListeningExecutorService service = MoreExecutors.listeningDecorator(ForkJoinPool.commonPool());
+ final List<ListenableFuture<Void>> parentFutures = new ArrayList<>(dirs.keySet().size());
+ for (Entry<Path, Collection<GenerationTask>> entry : dirs.asMap().entrySet()) {
+ parentFutures.add(service.submit(() -> {
+ Files.createDirectories(entry.getKey());
+ return null;
+ }));
+ }
+
+ try {
+ Futures.whenAllComplete(parentFutures).call(() -> {
+ for (ListenableFuture<Void> future : parentFutures) {
+ Futures.getDone(future);
+ }
+ return null;
+ }, MoreExecutors.directExecutor()).get();
+ } catch (InterruptedException e) {
+ throw new IOException("Interrupted while creating parent directories", e);
+ } catch (ExecutionException e) {
+ LOG.debug("Failed to create parent directories", e);
+ Throwables.throwIfInstanceOf(e.getCause(), IOException.class);
+ throw new IOException("Failed to create parent directories", e);
+ }
+ LOG.debug("Parent directories created in {}", sw);
+ // Step four: submit all code generation tasks and wait for them to complete
+ sw.reset().start();
+ final List<ListenableFuture<File>> futureFiles = dirs.values().stream()
+ .map(service::submit)
+ .collect(Collectors.toList());
+
+ final List<File> result;
+ try {
+ result = Futures.whenAllComplete(futureFiles).call(() -> {
+ List<File> ret = new ArrayList<>(futureFiles.size());
+ for (ListenableFuture<File> future : futureFiles) {
+ ret.add(Futures.getDone(future));
+ }
+ return ret;
+ }, MoreExecutors.directExecutor()).get();
+ } catch (InterruptedException e) {
+ throw new IOException("Interrupted while generating files", e);
+ } catch (ExecutionException e) {
+ LOG.error("Failed to create generated files", e);
+ Throwables.throwIfInstanceOf(e.getCause(), IOException.class);
+ throw new IOException("Failed to create generated files", e);
+ }
+ LOG.debug("{} Binding source type files generated in {}", result.size(), sw);
+
+ // Step five: generate auxiliary files
result.addAll(generateModuleInfos(outputBaseDir, yangModules, context, moduleResourcePathResolver));
return result;
}
private Collection<? extends File> generateModuleInfos(final File outputBaseDir, final Set<Module> yangModules,
- final SchemaContext context, final Function<Module, Optional<String>> moduleResourcePathResolver) {
+ final EffectiveModelContext context, final Function<Module, Optional<String>> moduleResourcePathResolver) {
Builder<File> result = ImmutableSet.builder();
Builder<String> bindingProviders = ImmutableSet.builder();
for (Module module : yangModules) {
File outputBaseDir;
outputBaseDir = new File(DEFAULT_OUTPUT_BASE_DIR_PATH);
setOutputBaseDirAsSourceFolder(outputBaseDir, mavenProject);
- LOG.debug("Adding " + outputBaseDir.getPath() + " as compile source root");
+ LOG.debug("Adding {} as compile source root", outputBaseDir.getPath());
return outputBaseDir;
}
private static void setOutputBaseDirAsSourceFolder(final File outputBaseDir, final MavenProject mavenProject) {
- Preconditions.checkNotNull(mavenProject, "Maven project needs to be set in this phase");
+ requireNonNull(mavenProject, "Maven project needs to be set in this phase");
mavenProject.addCompileSourceRoot(outputBaseDir.getPath());
}
@Override
public void setBuildContext(final BuildContext buildContext) {
- this.buildContext = Preconditions.checkNotNull(buildContext);
+ this.buildContext = requireNonNull(buildContext);
}
- private Set<File> generateYangModuleInfo(final File outputBaseDir, final Module module, final SchemaContext ctx,
- final Function<Module, Optional<String>> moduleResourcePathResolver,
+ private Set<File> generateYangModuleInfo(final File outputBaseDir, final Module module,
+ final EffectiveModelContext ctx, final Function<Module, Optional<String>> moduleResourcePathResolver,
final Builder<String> providerSourceSet) {
Builder<File> generatedFiles = ImmutableSet.builder();
String providerSource = template.generateModelProvider();
final File packageDir = GeneratorJavaFile.packageToDirectory(outputBaseDir,
- BindingGeneratorUtil.moduleNamespaceToPackageName(module));
+ BindingMapping.getRootPackageName(module.getQNameModule()));
generatedFiles.add(writeJavaSource(packageDir, BindingMapping.MODULE_INFO_CLASS_NAME, moduleInfoSource));
generatedFiles
bw.write(source);
}
} catch (Exception e) {
- LOG.error("Could not write file: {}",file,e);
+ LOG.error("Could not write file: {}", file, e);
}
} catch (Exception e) {
- LOG.error("Could not create file: {}",file,e);
+ LOG.error("Could not create file: {}", file, e);
}
return file;
}
+
+ private static final class GenerationTask implements Callable<File> {
+ private final BuildContext buildContext;
+ private final Supplier<String> contentSupplier;
+ private final File target;
+
+ GenerationTask(final BuildContext buildContext, final File target, final Supplier<String> contentSupplier) {
+ this.buildContext = requireNonNull(buildContext);
+ this.target = requireNonNull(target);
+ this.contentSupplier = requireNonNull(contentSupplier);
+ }
+
+ @Override
+ public File call() throws IOException {
+ try (OutputStream stream = buildContext.newFileOutputStream(target)) {
+ try (Writer fw = new OutputStreamWriter(stream, StandardCharsets.UTF_8)) {
+ try (BufferedWriter bw = new BufferedWriter(fw)) {
+ bw.write(contentSupplier.get());
+ }
+ }
+ }
+ return target;
+ }
+ }
}
Code Review / mdsal.git / blobdiff