/*
* Copyright 2000-2009 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 com.intellij.history;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;
public interface Label {
Label NULL_INSTANCE = new Label() {
@Override
public void revert(@NotNull Project project, @NotNull VirtualFile file) {
}
public ByteContent getByteContent(String path) {
return null;
}
};
/**
* Revert all changes up to this Label according to the local history
*
* @param file file or directory that should be reverted
* @throws LocalHistoryException
*/
void revert(@NotNull Project project, @NotNull VirtualFile file) throws LocalHistoryException;
ByteContent getByteContent(String path);
}