/* * 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.core.revisions; import com.intellij.history.core.tree.Entry; import com.intellij.openapi.util.Pair; import org.jetbrains.annotations.Nullable; import java.util.Collections; import java.util.List; public abstract class Revision { @Nullable public String getLabel() { return null; } public int getLabelColor() { return -1; } public abstract long getTimestamp(); @Nullable public Long getChangeSetId() { return null; } @Nullable public String getChangeSetName() { return null; } public boolean isLabel() { return getAffectedFileNames().first.isEmpty(); } public Pair<List<String>, Integer> getAffectedFileNames() { return Pair.create(Collections.<String>emptyList(), 0); } public abstract Entry findEntry(); public List<Difference> getDifferencesWith(Revision right) { return Entry.getDifferencesBetween(findEntry(), right.findEntry()); } }