| /* |
| * 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.openapi.components.impl.stores; |
| |
| import com.intellij.openapi.components.StateStorage; |
| import gnu.trove.THashMap; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| |
| /** |
| * @author mike |
| */ |
| public class CompoundExternalizationSession { |
| private final Map<StateStorage, StateStorage.ExternalizationSession> mySessions = new THashMap<StateStorage, StateStorage.ExternalizationSession>(1); |
| |
| @NotNull |
| public StateStorage.ExternalizationSession getExternalizationSession(@NotNull StateStorage stateStore) { |
| StateStorage.ExternalizationSession session = mySessions.get(stateStore); |
| if (session == null) { |
| mySessions.put(stateStore, session = stateStore.startExternalization()); |
| } |
| |
| return session; |
| } |
| |
| |
| @NotNull |
| public Collection<StateStorage> getStateStorages() { |
| return mySessions.keySet(); |
| } |
| } |