本文整理汇总了C++中Disk::getDiskTimer方法的典型用法代码示例。如果您正苦于以下问题：C++ Disk::getDiskTimer方法的具体用法？C++ Disk::getDiskTimer怎么用？C++ Disk::getDiskTimer使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Disk的用法示例。
在下文中一共展示了Disk::getDiskTimer方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
int main(int argc, char ** argv){
// Initialize the memory, disk and the schema manager
MainMemory mem;
Disk disk;
//cout << "The memory contains " << mem.getMemorySize() << " blocks" << endl;
SchemaManager schema_manager(&mem,&disk);
disk.resetDiskIOs();
disk.resetDiskTimer();
resetFreeBlocks();
clock_t start_time;
start_time=clock();
//=======================Read Input=========================
ifstream input;
bool interactive_mode = false;
assert(argv && argc >= 1);
cout<<endl;
cout<<" ";
cout<<"============================================="<<endl<<endl;
cout<<" ";
cout<<"Welcome to TinySQL Database Management System"<<endl<<endl;
cout<<" ";
cout<<"Develped by Jimmy Jin & Tony Wang, 12/6/2016"<<endl<<endl;
cout<<" ";
cout<<"============================================="<<endl<<endl;
if (argc == 1){
cout<<endl<<"Entering Interactive Mode: Type query and ENTER to execute; Type EXIT to exit the program."<<endl<<endl;
interactive_mode = true;
}
else if (argc == 2){
string filename = argv[1];
input.open(filename.c_str());
if (!input.is_open()){
cout<<"Cannot Open file: "<<filename<<endl;
return 0;
}
}
else{
cout<<"To use TinySQL to read input file, type: ";
cout<<"./Tiny <filename>"<<endl;
cout<<"To use TinySQL in Interactive Mode, type: ";
cout<<"./Tiny"<<endl;
return 0;
}
unsigned long int ios = 0;
double time = 0;
string line;
vector<string> words;
// for each command line
while(1){
if (interactive_mode){
cout<<">>";
char console_input[1000];
cin.getline(console_input, sizeof(console_input));
line = string(console_input);
if (line == "EXIT") break;
cout<<endl;
}
else{
if (!getline(input, line)) break;
cout<<line<<endl;
}
if(line[0] == '#') continue;
if(line.size() == 0) continue;
// extract each word into vector words
words = splitBy(line," ");
// prepare memory
resetFreeBlocks();
if (words[0] == "CREATE"){
Create(words, schema_manager, mem);
}
else if (words[0] == "DROP"){
string relation_name = words[2];
schema_manager.deleteRelation(relation_name);
}
else if (words[0] == "INSERT"){
Insert(words, line, schema_manager, mem);
// cout<< *(schema_manager.getRelation(relation_name))<<endl;
}
else if (words[0] == "DELETE"){
Delete(words, schema_manager, mem);
}
else if (words[0] == "SELECT"){
Select(words, schema_manager, mem);
}
else{
cout<<"Not a valid Tiny-SQL command!"<<endl<<endl;
continue;
//abort();
}
words.clear();
cout << "Elapse time = " << disk.getDiskTimer() - time<< " ms" << endl;
cout << "Disk I/Os = " << disk.getDiskIOs() - ios<< endl<<endl;
time = disk.getDiskTimer();
//.........这里部分代码省略.........