1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/java/sql-dk/src/main/java/info/globalcode/sql/dk/formatting/Formatter.java Mon Mar 04 20:15:24 2019 +0100
1.3 @@ -0,0 +1,67 @@
1.4 +/**
1.5 + * SQL-DK
1.6 + * Copyright © 2013 František Kučera (frantovo.cz)
1.7 + *
1.8 + * This program is free software: you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License as published by
1.10 + * the Free Software Foundation, either version 3 of the License, or
1.11 + * (at your option) any later version.
1.12 + *
1.13 + * This program is distributed in the hope that it will be useful,
1.14 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.15 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.16 + * GNU General Public License for more details.
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License
1.19 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
1.20 + */
1.21 +package info.globalcode.sql.dk.formatting;
1.22 +
1.23 +import info.globalcode.sql.dk.Parameter;
1.24 +import info.globalcode.sql.dk.configuration.DatabaseDefinition;
1.25 +import java.util.List;
1.26 +
1.27 +/**
1.28 + * The formatter is responsible for printing the result sets and/or updates result (count of
1.29 + * inserted/updated rows). The formatter can produce output in arbitrary format – text, some markup
1.30 + * or even binary data.
1.31 + *
1.32 + * @author Ing. František Kučera (frantovo.cz)
1.33 + */
1.34 +public interface Formatter extends AutoCloseable {
1.35 +
1.36 + void writeStartBatch();
1.37 +
1.38 + void writeStartDatabase(DatabaseDefinition databaseDefinition);
1.39 +
1.40 + void writeEndDatabase();
1.41 +
1.42 + void writeStartStatement();
1.43 +
1.44 + void writeEndStatement();
1.45 +
1.46 + void writeQuery(String sql);
1.47 +
1.48 + void writeParameters(List<? extends Parameter> parameters);
1.49 +
1.50 + void writeStartResultSet(ColumnsHeader header);
1.51 +
1.52 + void writeEndResultSet();
1.53 +
1.54 + void writeStartRow();
1.55 +
1.56 + void writeColumnValue(Object value);
1.57 +
1.58 + void writeEndRow();
1.59 +
1.60 + void writeUpdatesResult(int updatedRowsCount);
1.61 +
1.62 + void writeEndBatch();
1.63 +
1.64 + /**
1.65 + * If an error occurs (e.g. lost connection during result set reading) this method will be
1.66 + * called even if there was no {@linkplain #writeEndBach()}.
1.67 + */
1.68 + @Override
1.69 + void close() throws FormatterException;
1.70 +}