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Diffstat (limited to 'cpp/demo/Database/Oracle/proc/Client.cpp')
| -rw-r--r-- | cpp/demo/Database/Oracle/proc/Client.cpp | 559 |
1 files changed, 559 insertions, 0 deletions
diff --git a/cpp/demo/Database/Oracle/proc/Client.cpp b/cpp/demo/Database/Oracle/proc/Client.cpp new file mode 100644 index 00000000000..b8b8cac8f2d --- /dev/null +++ b/cpp/demo/Database/Oracle/proc/Client.cpp @@ -0,0 +1,559 @@ +// ********************************************************************** +// +// Copyright (c) 2003-2011 ZeroC, Inc. All rights reserved. +// +// This copy of Ice is licensed to you under the terms described in the +// ICE_LICENSE file included in this distribution. +// +// ********************************************************************** + +#include <Ice/Ice.h> +#include <HR.h> +#include <iostream> +#include <limits> + +using namespace std; +using namespace HR; + +class HRClient : public Ice::Application +{ +public: + HRClient(); + + virtual int run(int, char*[]); + + enum Menu {rootMenu, empMenu, deptMenu}; + +private: + + void help() const; + bool checkCin(const string& command) const; + void checkEof(const string& command) const; + void invalidCommand(const string& command) const; + + void doRootMenu(const string&) const; + void doDeptMenu(const string&) const; + void doEmpMenu(const string&) const; + + void printDepts(const DeptPrxSeq&) const; + void printEmps(const EmpPrxSeq&) const; + + static string quote(const string&); + static string unquote(const string&); + + Menu _currentMenu; + DeptFactoryPrx _factory; + DeptPrx _currentDept; + EmpPrx _currentEmp; + + string _commonCommands; + string _rootCommands; + string _deptCommands; + string _empCommands; +}; + +int +main(int argc, char* argv[]) +{ + HRClient app; + return app.main(argc, argv, "config.client"); +} + +HRClient::HRClient() : + _currentMenu(rootMenu) +{ + _commonCommands = + "dept <number>: set department <number> as the current department\n" + "emp <number>: set employee <number> as the current employee\n" + "exit or quit: exit client\n" + "help: print this list of commands\n" + "root: go back to the root menu\n"; + + _rootCommands = + "create: create a new department\n" + "find <name>: find the department(s) with the given name\n" + "list: list all departments\n"; + + + _deptCommands = + "create: create a new employee in this department\n" + "find <name>: find employee(s) named <name> in this department\n" + "list: list all employees in this department\n" + "ping: ping this department\n" + "remove: remove this department\n" + "show: describe this department\n" + "update <dname|loc> <new value>: update this department\n"; + + _empCommands = + "ping: ping this employee\n" + "remove: remove this employee\n" + "show: describe this employee\n" + "update <ename|job|mgr|hiredate|sal|comm|dept> <new-value>: update this employee\n"; +} + +void +HRClient::checkEof(const string& command) const +{ + if(!cin.eof()) + { + string extra; + getline(cin, extra); + if(extra.size() > 0) + { + cout << "Warning: ignoring extra args '" << extra + << "' for '" << command << "'" << endl; + } + } +} + +bool +HRClient::checkCin(const string& command) const +{ + if(!cin) + { + cout << "Error: failed to read arguments for '" << command << "'" << endl; + cin.clear(); + cin.ignore(numeric_limits<streamsize>::max(), '\n'); + return false; + } + checkEof(command); + return true; +} + +void +HRClient::invalidCommand(const string& command) const +{ + cout << "Invalid command '" << command << "'. " + "Type 'help' for help." << endl; + cin.ignore(numeric_limits<streamsize>::max(), '\n'); +} + +void +HRClient::help() const +{ + cout << "Commands are:\n"; + cout << "--- Specific to this menu ---\n"; + + switch(_currentMenu) + { + case rootMenu: + { + cout << _rootCommands; + break; + } + case deptMenu: + { + cout << _deptCommands; + break; + } + case empMenu: + { + cout << _empCommands; + break; + } + } + cout << "--- Common to all menus ---\n"; + cout << _commonCommands << endl; +} + +int +HRClient::run(int argc, char* argv[]) +{ + if(argc > 1) + { + cerr << appName() << ": too many arguments" << endl; + return EXIT_FAILURE; + } + + Ice::ObjectPrx base = communicator()->propertyToProxy("HR.DeptFactory"); + _factory = DeptFactoryPrx::checkedCast(base); + if(_factory == 0) + { + cerr << argv[0] << ": invalid proxy" << endl; + return EXIT_FAILURE; + } + + Ice::EndpointSeq endpoints = _factory->ice_getEndpoints(); + + + // + // cin loop + // + + string command; + + do + { + cout << "==> "; + cin >> command; + + if(!cin) + { + break; + } + + try + { + + // + // Common commands + // + if(command == "dept") + { + int deptno; + cin >> deptno; + if(checkCin(command)) + { + _currentDept = DeptPrx::uncheckedCast(_factory->findDeptByNo(deptno)); + if(_currentDept != 0) + { + _currentMenu = deptMenu; + } + else + { + cout << "There is no department with deptno " << deptno << endl; + } + } + } + else if(command == "emp") + { + int empno; + cin >> empno; + if(checkCin(command)) + { + _currentEmp = EmpPrx::uncheckedCast(_factory->findEmpByNo(empno)); + if(_currentEmp != 0) + { + _currentMenu = empMenu; + } + else + { + cout << "There is no employee with empno " << empno << endl; + } + } + } + else if(command == "exit" || command == "quit") + { + checkEof(command); + break; + } + else if(command == "help") + { + checkEof(command); + help(); + } + else if(command == "root") + { + checkEof(command); + _currentMenu = rootMenu; + } + else if(_currentMenu == rootMenu) + { + doRootMenu(command); + } + else if(_currentMenu == deptMenu) + { + doDeptMenu(command); + } + else if(_currentMenu == empMenu) + { + doEmpMenu(command); + } + else + { + assert(0); + } + } + catch(const SqlException& e) + { + cout << "Caught a SqlException: " << e.reason << endl; + } + catch(const IceUtil::Exception& e) + { + cout << "Caught an Ice exception: " << e << endl; + } + catch(const std::exception& e) + { + cout << "Caught a std::exception: " << e.what() << endl; + } + catch(...) + { + cout << "Caught an unknown exception" << endl; + } + } + while(cin.good()); + + return EXIT_SUCCESS; +} + +void +HRClient::doRootMenu(const string& command) const +{ + if(command == "create") + { + checkEof(command); + cout << "Please enter: deptno dname loc ==> "; + int deptno; + DeptDesc desc; + cin >> deptno >> desc.dname >> desc.loc; + + desc.dname = unquote(desc.dname); + desc.loc = unquote(desc.loc); + + if(checkCin("create parameters")) + { + _factory->createDept(deptno, desc); + cout << "Created new department number " << deptno << endl; + } + } + else if(command == "find") + { + string name; + cin >> name; + if(checkCin(command)) + { + printDepts(_factory->findByName(name)); + } + } + else if(command == "list") + { + checkEof(command); + printDepts(_factory->findAll()); + } + else + { + invalidCommand(command); + } +} + +void +HRClient::doDeptMenu(const string& command) const +{ + if(command == "create") + { + checkEof(command); + cout << "Please enter: empno ename job mgr(empno) hiredate sal comm ==> "; + int empno; + int mgrEmpno; + EmpDesc desc; + cin >> empno >> desc.ename >> desc.job >> mgrEmpno >> desc.hiredate >> desc.sal >> desc.comm; + + desc.ename = unquote(desc.ename); + desc.job = unquote(desc.job); + + if(mgrEmpno != 0) + { + desc.mgr = _factory->findEmpByNo(mgrEmpno); + if(desc.mgr == 0) + { + cout << "Manager #" << mgrEmpno << " does not exist: clearing manager" << endl; + } + } + desc.hiredate = unquote(desc.hiredate); + desc.sal = unquote(desc.sal); + desc.comm = unquote(desc.comm); + + desc.edept = _currentDept; + + if(checkCin("create parameters")) + { + _currentDept->createEmp(empno, desc); + cout << "Created new employee number " << empno << endl; + } + } + else if(command == "find") + { + string name; + cin >> name; + if(checkCin(command)) + { + printEmps(_currentDept->findByName(name)); + } + } + else if(command == "list") + { + checkEof(command); + printEmps(_currentDept->findAll()); + } + else if(command == "ping") + { + checkEof(command); + _currentDept->ice_ping(); + cout << "ice_ping: success!" << endl; + } + else if(command == "remove") + { + checkEof(command); + _currentDept->remove(); + } + else if(command == "show") + { + checkEof(command); + DeptDesc desc = _currentDept->getDesc(); + cout << "deptno: " << desc.deptno << endl; + cout << "dname: " << quote(desc.dname) << endl; + cout << "loc: " << quote(desc.loc) << endl; + } + else if(command == "update") + { + string field; + string newValue; + cin >> field >> newValue; + newValue = unquote(newValue); + + if(checkCin("update " + field)) + { + _currentDept->updateField(field, newValue); + } + } + else + { + invalidCommand(command); + } +} + +void +HRClient::doEmpMenu(const string& command) const +{ + if(command == "ping") + { + checkEof(command); + _currentEmp->ice_ping(); + cout << "ice_ping: success!" << endl; + } + else if(command == "remove") + { + checkEof(command); + _currentEmp->remove(); + } + else if(command == "show") + { + checkEof(command); + EmpDesc desc = _currentEmp->getDesc(); + cout << "empno: " << desc.empno << endl; + cout << "ename: " << quote(desc.ename) << endl; + cout << "job: " << quote(desc.job) << endl; + cout << "mgr: "; + if(desc.mgr == 0) + { + cout << "<null>" << endl; + } + else + { + cout << desc.mgr->getDesc().empno << endl; + } + cout << "hiredate: " << quote(desc.hiredate) << endl; + cout << "sal: " << quote(desc.sal) << endl; + cout << "comm: " << quote(desc.comm) << endl; + cout << "dept: "; + if(desc.edept == 0) + { + cout << "<null>" << endl; + } + else + { + cout << desc.edept->getDesc().deptno << endl; + } + } + else if(command == "update") + { + string field; + cin >> field; + if(field == "mgr") + { + int mgr; + cin >> mgr; + if(checkCin("update mgr")) + { + _currentEmp->updateMgr(mgr); + } + } + else if(field == "dept") + { + int deptno; + cin >> deptno; + if(checkCin("update dept")) + { + _currentEmp->updateDept(deptno); + } + } + else + { + string newValue; + cin >> newValue; + newValue = unquote(newValue); + if(checkCin("update " + field)) + { + _currentEmp->updateField(field, newValue); + } + } + } + else + { + invalidCommand(command); + } +} + +void +HRClient::printDepts(const DeptPrxSeq& depts) const +{ + cout << "Deptno\t Dname\t Loc" << endl; + if(depts.size() == 0) + { + cout << "<None found>" << endl; + } + else + { + for(DeptPrxSeq::const_iterator p = depts.begin(); p != depts.end(); ++p) + { + HR::DeptDesc desc = (*p)->getDesc(); + cout << desc.deptno << "\t " << desc.dname << "\t " << desc.loc << endl; + } + } +} + +void +HRClient::printEmps(const EmpPrxSeq& emps) const +{ + cout << "Empno\t Ename" << endl; + if(emps.size() == 0) + { + cout << "<None found>" << endl; + } + else + { + for(EmpPrxSeq::const_iterator p = emps.begin(); p != emps.end(); ++p) + { + HR::EmpDesc desc = (*p)->getDesc(); + cout << desc.empno << "\t " << desc.ename << endl; + } + } +} + + +/*static*/ string +HRClient::quote(const string& str) +{ + if(str == "") + { + return "''"; + } + else + { + return str; + } + +} + +/*static*/ string +HRClient::unquote(const string& str) +{ + if(str == "''") + { + return ""; + } + else + { + return str; + } +} |