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Implementation of persist(Person) 

Implementation of persist(Person)
This commit is contained in:
Togepy95 2017-04-22 12:11:22 +02:00
parent d2d02b859e
commit 5de082b7f5
1 changed files with 47 additions and 1 deletions
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48
02/src/de/dis2017/data/db/ORM.java
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@ -24,6 +24,7 @@ public class ORM {
private Map<Integer, EstateAgent> _agents;
private Map<String, EstateAgent> _agentsUsername;
private Map<Integer, Estate> _estates;
private Map<Integer, Person> _persons;
/**
* Initializes the ORM.
@ -596,7 +597,52 @@ public class ORM {
*/
public void persist(Person person)
{
//TODO
boolean changeFinished = false;
try {
_connection.setAutoCommit(false);
if (person.getId() == -1) {
String insertSQL = "INSERT INTO PERSON (firstname, name, address) " +
"VALUES (?, ?, ?)";
PreparedStatement pstmt = _connection.prepareStatement(insertSQL, Statement.RETURN_GENERATED_KEYS);
pstmt.setString(1, person.getFirstName());
pstmt.setString(2, person.getName());
pstmt.setString(3, person.getAddress());
pstmt.executeUpdate();
ResultSet rs = pstmt.getGeneratedKeys();
if (rs.next()) {
person.setId(rs.getInt(1));
}
rs.close();
pstmt.close();
changeFinished = true;
} else {
// create query
String updateSQL = "UPDATE PERSON SET firstname = ?, name = ?, address = ? WHERE ID = ?";
PreparedStatement pstmt = _connection.prepareStatement(updateSQL);
pstmt.setString(1, person.getFirstName());
pstmt.setString(2, person.getName());
pstmt.setString(3, person.getAddress());
pstmt.setInt(4, person.getId());
pstmt.executeUpdate();
pstmt.close();
changeFinished = true;
}
if (changeFinished) {
_connection.commit();
if (!_persons.containsKey(person.getId())) {
_persons.put(person.getId(), person);
}
}
_connection.setAutoCommit(true);
} catch (SQLException e) {
try {
_connection.rollback();
} catch (SQLException e1) {
e1.printStackTrace();
}
e.printStackTrace();
}
}
/**
* Persists the given contract.