| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.jackrabbit.oak.plugins.document.mongo; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.jackrabbit.oak.plugins.document.Revision; |
| import org.bson.BSONObject; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import com.mongodb.BasicDBObject; |
| import com.mongodb.DBObject; |
| import com.mongodb.util.JSON; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * A light-weight implementation of a MongoDB DBObject for a single revision |
| * based map entry. |
| */ |
| public class RevisionEntry implements DBObject { |
| |
| private final Revision revision; |
| |
| private final Object value; |
| |
| public RevisionEntry(@NotNull Revision revision, |
| @Nullable Object value) { |
| this.revision = checkNotNull(revision); |
| this.value = value; |
| } |
| |
| @Override |
| public void markAsPartialObject() { |
| } |
| |
| @Override |
| public boolean isPartialObject() { |
| return false; |
| } |
| |
| @Override |
| public Object put(String key, Object v) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void putAll(BSONObject o) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void putAll(Map m) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public Object get(String key) { |
| return revision.toString().equals(key) ? value : null; |
| } |
| |
| @Override |
| public Map toMap() { |
| return Collections.singletonMap(revision.toString(), value); |
| } |
| |
| @Override |
| public Object removeField(String key) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public boolean containsKey(String s) { |
| return containsField(s); |
| } |
| |
| @Override |
| public boolean containsField(String s) { |
| return revision.toString().equals(s); |
| } |
| |
| @Override |
| public Set<String> keySet() { |
| return Collections.singleton(revision.toString()); |
| } |
| |
| @Override |
| public String toString() { |
| return new BasicDBObject(revision.toString(), value).toJson(); |
| } |
| } |