/*
 * Copyright 2013-present Facebook, Inc.
 *
 * Licensed 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 com.facebook.buck.rules;

import com.facebook.buck.io.ProjectFilesystem;
import com.facebook.buck.model.BuildTarget;
import java.io.Closeable;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Map;
import java.util.Optional;

/** Repository of build metadata. */
public interface BuildInfoStore extends Closeable {
  static Path getMetadataTypePath(ProjectFilesystem filesystem) {
    return filesystem.getBuckPaths().getScratchDir().resolve("metadata.type");
  }

  Optional<String> readMetadata(BuildTarget buildTarget, String key);

  @Override
  void close();

  void updateMetadata(BuildTarget buildTarget, Map<String, String> metadata) throws IOException;

  void deleteMetadata(BuildTarget buildTarget) throws IOException;
}