/*
 * Copyright 2000-2012 JetBrains s.r.o.
 *
 * 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 org.jetbrains.jps.incremental.storage;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.jps.builders.BuildTarget;

import java.io.File;
import java.io.IOException;
import java.nio.file.attribute.BasicFileAttributes;

import static org.jetbrains.jps.incremental.storage.StampsStorage.Stamp;

/**
 * @author Eugene Zhuravlev
 */
public interface StampsStorage<T extends Stamp> {
  File getStorageRoot();

  void force();

  void saveStamp(File file, BuildTarget<?> buildTarget, T stamp) throws IOException;

  void removeStamp(File file, BuildTarget<?> buildTarget) throws IOException;

  void clean() throws IOException;

  T getStamp(File file, BuildTarget<?> target) throws IOException;

  T lastModified(File file) throws IOException; // todo: rename

  T lastModified(File file, @NotNull BasicFileAttributes attrs) throws IOException; // todo: rename

  boolean wipe();

  void close() throws IOException;

  interface Stamp {
  }
}

@@ -1369,24 +1369,50 @@
 : rename%0A%0A  
+// todo: rename%0A  default 
 T lastModifi
@@ -1479,33 +1479,47 @@
 xception
-; // todo: rename
+ %7B return lastModified(file); %7D
 %0A%0A  bool

use a default method