| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package com.google.protobuf; |
| |
| import com.google.protobuf.MapEntryLite.Metadata; |
| import java.util.Map; |
| |
| class MapFieldSchemaLite implements MapFieldSchema { |
| |
| @Override |
| public Map<?, ?> forMutableMapData(Object mapField) { |
| return (MapFieldLite<?, ?>) mapField; |
| } |
| |
| @Override |
| public Metadata<?, ?> forMapMetadata(Object mapDefaultEntry) { |
| return ((MapEntryLite<?, ?>) mapDefaultEntry).getMetadata(); |
| } |
| |
| @Override |
| public Map<?, ?> forMapData(Object mapField) { |
| return (MapFieldLite<?, ?>) mapField; |
| } |
| |
| @Override |
| public boolean isImmutable(Object mapField) { |
| return !((MapFieldLite<?, ?>) mapField).isMutable(); |
| } |
| |
| @Override |
| public Object toImmutable(Object mapField) { |
| ((MapFieldLite<?, ?>) mapField).makeImmutable(); |
| return mapField; |
| } |
| |
| @Override |
| public Object newMapField(Object unused) { |
| return MapFieldLite.emptyMapField().mutableCopy(); |
| } |
| |
| @Override |
| public Object mergeFrom(Object destMapField, Object srcMapField) { |
| return mergeFromLite(destMapField, srcMapField); |
| } |
| |
| @SuppressWarnings("unchecked") |
| private static <K, V> MapFieldLite<K, V> mergeFromLite(Object destMapField, Object srcMapField) { |
| MapFieldLite<K, V> mine = (MapFieldLite<K, V>) destMapField; |
| MapFieldLite<K, V> other = (MapFieldLite<K, V>) srcMapField; |
| if (!other.isEmpty()) { |
| if (!mine.isMutable()) { |
| mine = mine.mutableCopy(); |
| } |
| mine.mergeFrom(other); |
| } |
| return mine; |
| } |
| |
| @Override |
| public int getSerializedSize(int fieldNumber, Object mapField, Object mapDefaultEntry) { |
| return getSerializedSizeLite(fieldNumber, mapField, mapDefaultEntry); |
| } |
| |
| @SuppressWarnings("unchecked") |
| private static <K, V> int getSerializedSizeLite( |
| int fieldNumber, Object mapField, Object defaultEntry) { |
| MapFieldLite<K, V> mapFieldLite = (MapFieldLite<K, V>) mapField; |
| MapEntryLite<K, V> defaultEntryLite = (MapEntryLite<K, V>) defaultEntry; |
| |
| if (mapFieldLite.isEmpty()) { |
| return 0; |
| } |
| int size = 0; |
| for (Map.Entry<K, V> entry : mapFieldLite.entrySet()) { |
| size += defaultEntryLite.computeMessageSize(fieldNumber, entry.getKey(), entry.getValue()); |
| } |
| return size; |
| } |
| } |