/** call as linkEntity(con, UserEntity, user_id, X, Y) to link an entity to a user */
public LinkedEntity linkEntity(Connection con, String linkTable, String targetField, int targetId)
throws SQLException {
Statement st = null;
EntityId existing = fetchEntityId(con, linkTable.replace("Entity", ""), targetId);
if (existing != null) {
return LinkedEntity.builder().linkId(targetId).entityId(existing).build();
}
EntityId eid = allocateEntityId(con);
try {
st = con.createStatement();
st.executeUpdate(
"INSERT INTO "
+ linkTable
+ " ("
+ linkTable.toLowerCase()
+ "_entity_id, "
+ linkTable.toLowerCase()
+ "_"
+ targetField
+ ") VALUES ("
+ eid
+ ", "
+ targetId
+ ")");
} finally {
cleanup(null, st, null);
}
return LinkedEntity.builder().linkId(targetId).entityId(eid).build();
}
@Override
public void draw(Graphics2D oG) {
// TODO Auto-generated method stub
Entity oBlock = (Entity) oBlockHead.getNext();
while (oBlock != null) {
oBlock = (Entity) oBlock.getNext();
oBlock.draw(oG);
}
}
