| /* |
| * Copyright 2016 The Bazel Authors. All rights reserved. |
| * |
| * 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.google.idea.blaze.base.model; |
| |
| import com.google.common.collect.ImmutableMap; |
| |
| import javax.annotation.Nullable; |
| import java.io.Serializable; |
| import java.util.Map; |
| |
| /** |
| * Used to save arbitrary state with the sync task. |
| */ |
| public class SyncState implements Serializable { |
| private static final long serialVersionUID = 1L; |
| private final ImmutableMap<String, Serializable> syncStateMap; |
| |
| @SuppressWarnings("unchecked") |
| @Nullable |
| public <T extends Serializable> T get(Class<T> klass) { |
| return (T) syncStateMap.get(klass.getName()); |
| } |
| |
| public static class Builder { |
| ImmutableMap.Builder<Class, Serializable> syncStateMap = ImmutableMap.builder(); |
| public <K extends Serializable, V extends K> Builder put(Class<K> klass, V instance) { |
| syncStateMap.put(klass, instance); |
| return this; |
| } |
| public SyncState build() { |
| return new SyncState(syncStateMap.build()); |
| } |
| } |
| |
| SyncState(ImmutableMap<Class, Serializable> syncStateMap) { |
| ImmutableMap.Builder<String, Serializable> extraProjectSyncStateMap = ImmutableMap.builder(); |
| for (Map.Entry<Class, Serializable> entry : syncStateMap.entrySet()) { |
| extraProjectSyncStateMap.put(entry.getKey().getName(), entry.getValue()); |
| } |
| this.syncStateMap = extraProjectSyncStateMap.build(); |
| } |
| } |