mongodb: bson_db.h Source File

00001 
00011 /*    Copyright 2009 10gen Inc.
00012  *
00013  *    Licensed under the Apache License, Version 2.0 (the "License");
00014  *    you may not use this file except in compliance with the License.
00015  *    You may obtain a copy of the License at
00016  *
00017  *    http://www.apache.org/licenses/LICENSE-2.0
00018  *
00019  *    Unless required by applicable law or agreed to in writing, software
00020  *    distributed under the License is distributed on an "AS IS" BASIS,
00021  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00022  *    See the License for the specific language governing permissions and
00023  *    limitations under the License.
00024  */
00025 
00026 #pragma once
00027 
00028 #include "../util/optime.h"
00029 #include "../util/time_support.h"
00030 
00031 namespace mongo {
00032 
00038     inline BSONObjBuilder& BSONObjBuilder::appendTimestamp( const StringData& fieldName , unsigned long long time , unsigned int inc ) {
00039         OpTime t( (unsigned) (time / 1000) , inc );
00040         appendTimestamp( fieldName , t.asDate() );
00041         return *this;
00042     }
00043 
00044     inline OpTime BSONElement::_opTime() const {
00045         if( type() == mongo::Date || type() == Timestamp )
00046             return OpTime( *reinterpret_cast< const unsigned long long* >( value() ) );
00047         return OpTime();
00048     }
00049 
00050     inline string BSONElement::_asCode() const {
00051         switch( type() ) {
00052         case mongo::String:
00053         case Code:
00054             return string(valuestr(), valuestrsize()-1);
00055         case CodeWScope:
00056             return string(codeWScopeCode(), *(int*)(valuestr())-1);
00057         default:
00058             log() << "can't convert type: " << (int)(type()) << " to code" << endl;
00059         }
00060         uassert( 10062 ,  "not code" , 0 );
00061         return "";
00062     }
00063 
00064     inline BSONObjBuilder& BSONObjBuilderValueStream::operator<<(DateNowLabeler& id) {
00065         _builder->appendDate(_fieldName, jsTime());
00066         _fieldName = 0;
00067         return *_builder;
00068     }
00069 
00070     inline BSONObjBuilder& BSONObjBuilderValueStream::operator<<(MinKeyLabeler& id) {
00071         _builder->appendMinKey(_fieldName);
00072         _fieldName = 0;
00073         return *_builder;
00074     }
00075 
00076     inline BSONObjBuilder& BSONObjBuilderValueStream::operator<<(MaxKeyLabeler& id) {
00077         _builder->appendMaxKey(_fieldName);
00078         _fieldName = 0;
00079         return *_builder;
00080     }
00081 
00082 }