package SQLite; /** * Callback interface for SQLite's query results. * <BR><BR> * Example:<BR> * * <PRE> * class TableFmt implements SQLite.Callback { * public void columns(String cols[]) { * System.out.println("<TH><TR>"); * for (int i = 0; i < cols.length; i++) { * System.out.println("<TD>" + cols[i] + "</TD>"); * } * System.out.println("</TR></TH>"); * } * public boolean newrow(String cols[]) { * System.out.println("<TR>"); * for (int i = 0; i < cols.length; i++) { * System.out.println("<TD>" + cols[i] + "</TD>"); * } * System.out.println("</TR>"); * return false; * } * } * ... * SQLite.Database db = new SQLite.Database(); * db.open("db", 0); * System.out.println("<TABLE>"); * db.exec("select * from TEST", new TableFmt()); * System.out.println("</TABLE>"); * ... * </PRE> */ public interface Callback { /** * Reports column names of the query result. * This method is invoked first (and once) when * the SQLite engine returns the result set.<BR><BR> * * @param coldata string array holding the column names */ public void columns(String coldata[]); /** * Reports type names of the columns of the query result. * This is available from SQLite 2.6.0 on and needs * the PRAGMA show_datatypes to be turned on.<BR><BR> * * @param types string array holding column types */ public void types(String types[]); /** * Reports row data of the query result. * This method is invoked for each row of the * result set. If true is returned the running * SQLite query is aborted.<BR><BR> * * @param rowdata string array holding the column values of the row */ public boolean newrow(String rowdata[]); }