11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2009 The Guava Authors 31d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 41d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Licensed under the Apache License, Version 2.0 (the "License"); 51d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * you may not use this file except in compliance with the License. 61d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * You may obtain a copy of the License at 71d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 81d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * http://www.apache.org/licenses/LICENSE-2.0 91d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Unless required by applicable law or agreed to in writing, software 111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * distributed under the License is distributed on an "AS IS" BASIS, 121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * See the License for the specific language governing permissions and 141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * limitations under the License. 151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpackage com.google.common.collect; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.gwt.user.client.rpc.SerializationException; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.gwt.user.client.rpc.SerializationStreamReader; 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.gwt.user.client.rpc.SerializationStreamWriter; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.Comparator; 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.Map; 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.Map.Entry; 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * This class implements the GWT serialization of {@link TreeBasedTable}. 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Hayward Chan 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic class TreeBasedTable_CustomFieldSerializer { 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static void deserialize(SerializationStreamReader reader, 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert TreeBasedTable<?, ?, ?> instance) { 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static TreeBasedTable<Object, Object, Object> instantiate( 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert SerializationStreamReader reader) throws SerializationException { 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @SuppressWarnings("unchecked") // The comparator isn't used statically. 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Comparator<Object> rowComparator 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert = (Comparator<Object>) reader.readObject(); 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @SuppressWarnings("unchecked") // The comparator isn't used statically. 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Comparator<Object> columnComparator 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert = (Comparator<Object>) reader.readObject(); 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Map<?, ?> backingMap = (Map<?, ?>) reader.readObject(); 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert TreeBasedTable<Object, Object, Object> table 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert = TreeBasedTable.create(rowComparator, columnComparator); 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert for (Entry<?, ?> row : backingMap.entrySet()) { 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert table.row(row.getKey()).putAll((Map<?, ?>) row.getValue()); 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return table; 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static void serialize(SerializationStreamWriter writer, 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert TreeBasedTable<?, ?, ?> instance) 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert throws SerializationException { 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /* 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * The backing map of a TreeBasedTable is a tree map of tree map. 611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Therefore, the backing map is GWT serializable (assuming the row, 621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * column, value, the row comparator and column comparator are all 631d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * serializable). 641d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 651d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert writer.writeObject(instance.rowComparator()); 661d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert writer.writeObject(instance.columnComparator()); 671d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert writer.writeObject(instance.backingMap); 681d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 691d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 70