| /* |
| * Copyright 2000-2010 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; |
| |
| import com.intellij.history.core.changes.ChangeSet; |
| import com.intellij.util.Consumer; |
| import gnu.trove.TIntHashSet; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class InMemoryChangeListStorage implements ChangeListStorage { |
| private int myCurrentId; |
| private List<ChangeSet> mySets = new ArrayList<ChangeSet>(); |
| |
| @Override |
| public void close() { |
| } |
| |
| @Override |
| public long nextId() { |
| return myCurrentId++; |
| } |
| |
| @Override |
| @Nullable |
| public ChangeSetHolder readPrevious(int id, TIntHashSet recursionGuard) { |
| if (mySets.isEmpty()) return null; |
| if (id == -1) return new ChangeSetHolder(mySets.size() - 1, mySets.get(mySets.size() - 1)); |
| return id == 0 ? null : new ChangeSetHolder(id -1, mySets.get(id - 1)); |
| } |
| |
| @Override |
| public void writeNextSet(ChangeSet changeSet) { |
| mySets.add(changeSet); |
| } |
| |
| @Override |
| public void purge(long period, int intervalBetweenActivities, Consumer<ChangeSet> processor) { |
| } |
| } |