2martens
/
dis
1
0
Fork 0
Code Issues 1 Pull Requests Projects Releases Wiki Activity

Added ability to persist contracts 

Signed-off-by: Jim Martens <github@2martens.de>
This commit is contained in:
Jim Martens 2017-04-24 16:43:10 +02:00
parent 81fab4a99a
commit a1487f4d4f
1 changed files with 88 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

88
02/src/de/dis2017/data/db/ORM.java
View File

@ -814,6 +814,94 @@ public class ORM {
}
}
/**
* Persists the given contract.
*
* @param contract the contract that should be persisted
*/
public void persist(Contract contract)
{
boolean changeFinished = false;
try {
_connection.setAutoCommit(false);
if (contract.getContractNo() == -1) {
String insertSQL = "INSERT INTO CONTRACT (date, place) " +
"VALUES (?, ?)";
PreparedStatement pstmt = _connection.prepareStatement(insertSQL, Statement.RETURN_GENERATED_KEYS);
pstmt.setString(1, contract.getDate());
pstmt.setString(2, contract.getPlace());
pstmt.executeUpdate();
ResultSet rs = pstmt.getGeneratedKeys();
if (rs.next()) {
contract.setContractNo(rs.getInt(1));
}
rs.close();
pstmt.close();
if (contract instanceof PurchaseContract) {
PurchaseContract purchaseContract = (PurchaseContract) contract;
String insertSQLPurchaseContract = "INSERT INTO PURCHASECONTRACT " +
"(contractNumber, numberOfInstallments, interestRate) " +
"VALUES (?, ?, ?)";
PreparedStatement pstmtPurchase = _connection.prepareStatement(insertSQLPurchaseContract);
pstmtPurchase.setInt(1, purchaseContract.getContractNo());
pstmtPurchase.setInt(2, purchaseContract.getNoOfInstallments());
pstmtPurchase.setInt(3, purchaseContract.getInterestRate());
pstmtPurchase.executeUpdate();
pstmtPurchase.close();
String insertSQLSale = "INSERT INTO SALES (contractNumber, house, person) VALUES (?, ?, ?)";
PreparedStatement pstmtSale = _connection.prepareStatement(insertSQLSale);
pstmtSale.setInt(1, purchaseContract.getContractNo());
pstmtSale.setInt(2, purchaseContract.getHouse());
pstmtSale.setInt(3, purchaseContract.getPerson());
pstmtSale.executeUpdate();
pstmtSale.close();
changeFinished = true;
}
else if (contract instanceof TenancyContract) {
TenancyContract tenancyContract = (TenancyContract) contract;
String insertSQLTenancyContract = "INSERT INTO TENANCYCONTRACT " +
"(contractNumber, startDate, duration, additionalCosts) " +
"VALUES (?, ?, ?, ?)";
PreparedStatement pstmtTenancy = _connection.prepareStatement(insertSQLTenancyContract);
pstmtTenancy.setInt(1, tenancyContract.getContractNo());
pstmtTenancy.setTimestamp(2, tenancyContract.getStartDate());
pstmtTenancy.setTimestamp(3, new Timestamp(tenancyContract.getDuration().toMillis()));
pstmtTenancy.setInt(4, tenancyContract.getAdditionalCost());
pstmtTenancy.executeUpdate();
pstmtTenancy.close();
String insertSQLRental = "INSERT INTO RENTALS (contractNumber, apartment, person) VALUES (?, ?, ?)";
PreparedStatement pstmtRental = _connection.prepareStatement(insertSQLRental);
pstmtRental.setInt(1, tenancyContract.getContractNo());
pstmtRental.setInt(2, tenancyContract.getApartment());
pstmtRental.setInt(3, tenancyContract.getPerson());
pstmtRental.executeUpdate();
pstmtRental.close();
changeFinished = true;
}
} else {
System.err.println("Changing contracts is not supported.");
}
if (changeFinished) {
_connection.commit();
if (!_contracts.containsKey(contract.getContractNo())) {
_contracts.put(contract.getContractNo(), contract);
}
}
_connection.setAutoCommit(true);
} catch (SQLException e) {
try {
_connection.rollback();
} catch (SQLException e1) {
e1.printStackTrace();
}
e.printStackTrace();
}
}
/**
* Persists the given person.
*