diff options
Diffstat (limited to 'config-model-api/src/main/java/com/yahoo/config/model/api/ImportedMlModels.java')
-rw-r--r-- | config-model-api/src/main/java/com/yahoo/config/model/api/ImportedMlModels.java | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/config-model-api/src/main/java/com/yahoo/config/model/api/ImportedMlModels.java b/config-model-api/src/main/java/com/yahoo/config/model/api/ImportedMlModels.java deleted file mode 100644 index aeef81788b8..00000000000 --- a/config-model-api/src/main/java/com/yahoo/config/model/api/ImportedMlModels.java +++ /dev/null @@ -1,105 +0,0 @@ -// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. -package com.yahoo.config.model.api; - -import com.yahoo.path.Path; - -import java.io.File; -import java.util.Arrays; -import java.util.Collection; -import java.util.Collections; -import java.util.HashMap; -import java.util.Map; -import java.util.Optional; - -/** - * All models imported from the models/ directory in the application package. - * If this is empty it may be due to either not having any models in the application package, - * or this being created for a ZooKeeper application package, which does not have imported models. - * - * @author bratseth - */ -public class ImportedMlModels { - - /** All imported models, indexed by their names */ - private final Map<String, ImportedMlModel> importedModels; - - /** Create a null imported models */ - public ImportedMlModels() { - importedModels = Collections.emptyMap(); - } - - public ImportedMlModels(File modelsDirectory, Collection<MlModelImporter> importers) { - Map<String, ImportedMlModel> models = new HashMap<>(); - - // Find all subdirectories recursively which contains a model we can read - importRecursively(modelsDirectory, models, importers); - importedModels = Collections.unmodifiableMap(models); - } - - /** - * Returns the model at the given location in the application package. - * - * @param modelPath the path to this model (file or directory, depending on model type) - * under the application package, both from the root or relative to the - * models directory works - * @return the model at this path or null if none - */ - public ImportedMlModel get(File modelPath) { - return importedModels.get(toName(modelPath)); - } - - /** Returns an immutable collection of all the imported models */ - public Collection<ImportedMlModel> all() { - return importedModels.values(); - } - - private static void importRecursively(File dir, - Map<String, ImportedMlModel> models, - Collection<MlModelImporter> importers) { - if ( ! dir.isDirectory()) return; - - Arrays.stream(dir.listFiles()).sorted().forEach(child -> { - Optional<MlModelImporter> importer = findImporterOf(child, importers); - if (importer.isPresent()) { - String name = toName(child); - ImportedMlModel existing = models.get(name); - if (existing != null) - throw new IllegalArgumentException("The models in " + child + " and " + existing.source() + - " both resolve to the model name '" + name + "'"); - models.put(name, importer.get().importModel(name, child)); - } - else { - importRecursively(child, models, importers); - } - }); - } - - private static Optional<MlModelImporter> findImporterOf(File path, Collection<MlModelImporter> importers) { - return importers.stream().filter(item -> item.canImport(path.toString())).findFirst(); - } - - private static String toName(File modelFile) { - Path modelPath = Path.fromString(modelFile.toString()); - if (modelFile.isFile()) - modelPath = stripFileEnding(modelPath); - String localPath = concatenateAfterModelsDirectory(modelPath); - return localPath.replace('.', '_'); - } - - private static Path stripFileEnding(Path path) { - int dotIndex = path.last().lastIndexOf("."); - if (dotIndex <= 0) return path; - return path.withLast(path.last().substring(0, dotIndex)); - } - - private static String concatenateAfterModelsDirectory(Path path) { - boolean afterModels = false; - StringBuilder result = new StringBuilder(); - for (String element : path.elements()) { - if (afterModels) result.append(element).append("_"); - if (element.equals("models")) afterModels = true; - } - return result.substring(0, result.length()-1); - } - -} |