com.google.protobuf.MapFieldSchemaFull Maven / Gradle / Ivy
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// 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
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// 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 MapFieldSchemaFull implements MapFieldSchema {
@Override
public Map forMutableMapData(Object mapField) {
return ((MapField) mapField).getMutableMap();
}
@Override
public Map forMapData(Object mapField) {
return ((MapField) mapField).getMap();
}
@Override
public boolean isImmutable(Object mapField) {
return !((MapField) mapField).isMutable();
}
@Override
public Object toImmutable(Object mapField) {
((MapField) mapField).makeImmutable();
return mapField;
}
@Override
public Object newMapField(Object mapDefaultEntry) {
return MapField.newMapField((MapEntry) mapDefaultEntry);
}
@Override
public Metadata forMapMetadata(Object mapDefaultEntry) {
return ((MapEntry) mapDefaultEntry).getMetadata();
}
@Override
public Object mergeFrom(Object destMapField, Object srcMapField) {
return mergeFromFull(destMapField, srcMapField);
}
@SuppressWarnings("unchecked")
private static Object mergeFromFull(Object destMapField, Object srcMapField) {
MapField mine = (MapField) destMapField;
MapField other = (MapField) srcMapField;
if (!mine.isMutable()) {
mine.copy();
}
mine.mergeFrom(other);
return mine;
}
@Override
public int getSerializedSize(int number, Object mapField, Object mapDefaultEntry) {
return getSerializedSizeFull(number, mapField, mapDefaultEntry);
}
@SuppressWarnings("unchecked")
private static int getSerializedSizeFull(
int number, Object mapField, Object defaultEntryObject) {
// Full runtime allocates map fields lazily.
if (mapField == null) {
return 0;
}
Map map = ((MapField) mapField).getMap();
MapEntry defaultEntry = (MapEntry) defaultEntryObject;
if (map.isEmpty()) {
return 0;
}
int size = 0;
for (Map.Entry entry : map.entrySet()) {
size +=
CodedOutputStream.computeTagSize(number)
+ CodedOutputStream.computeLengthDelimitedFieldSize(
MapEntryLite.computeSerializedSize(
defaultEntry.getMetadata(), entry.getKey(), entry.getValue()));
}
return size;
}
}