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Added method to delete estate agents 

Signed-off-by: Jim Martens <github@2martens.de>
This commit is contained in:
Jim Martens 2017-04-18 20:14:09 +02:00
parent 24e025c4d4
commit 200a28e23d
1 changed files with 29 additions and 0 deletions
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29
02/src/de/dis2017/data/db/ORM.java
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@ -101,6 +101,35 @@ public class ORM {
return null;
}
/**
* Deletes the given agent from the database.
*
* @param agent the agent that should be deleted
*/
public void delete(EstateAgent agent)
{
try {
if (agent.getId() == -1) {
System.err.println("This agent is not yet persisted to the dabase and cannot be deleted.");
return;
} else {
// create query
String updateSQL = "DELETE FROM ESTATEAGENT WHERE ID = ?";
PreparedStatement pstmt = _connection.prepareStatement(updateSQL);
pstmt.setInt(1, agent.getId());
// execute query
pstmt.executeUpdate();
pstmt.close();
}
} catch (SQLException e) {
e.printStackTrace();
}
if (_agents.containsKey(agent.getId())) {
_agents.remove(agent.getId(), agent);
}
}
/**
* Persists the given agent.
*