Examples with ThreadLocalTransactionProvider org.jooq.impl.ThreadLocalTransactionProvider used on opensource projects

Example 1 with ThreadLocalTransactionProvider

use of org.jooq.impl.ThreadLocalTransactionProvider in project jOOQ by jOOQ.

the class SparkCRUD method main.

public static void main(String[] args) throws Exception {
    final BasicDataSource ds = new BasicDataSource();
    final Properties properties = new Properties();
    properties.load(SparkCRUD.class.getResourceAsStream("/config.properties"));
    ds.setDriverClassName(properties.getProperty("db.driver"));
    ds.setUrl(properties.getProperty("db.url"));
    ds.setUsername(properties.getProperty("db.username"));
    ds.setPassword(properties.getProperty("db.password"));
    final ConnectionProvider cp = new DataSourceConnectionProvider(ds);
    final Configuration configuration = new DefaultConfiguration().set(cp).set(SQLDialect.H2).set(new ThreadLocalTransactionProvider(cp, true));
    final DSLContext ctx = DSL.using(configuration);
    final JSONFormat format = new JSONFormat().format(true).header(false).recordFormat(RecordFormat.OBJECT);
    // Creates a new book resource, will return the ID to the created resource
    // author and title are sent as query parameters e.g. /books?author=Foo&title=Bar
    post("/books", (request, response) -> {
        return ctx.transactionResult(() -> {
            AuthorRecord author = upsertAuthor(ctx, request);
            BookRecord book = ctx.newRecord(BOOK);
            book.setAuthorId(author.getId());
            book.setTitle(request.queryParams("title"));
            book.store();
            // 201 Created
            response.status(201);
            return book.formatJSON(format);
        });
    });
    // Gets the book resource for the provided id
    get("/books/:id", (request, response) -> {
        Record2<String, String> book = ctx.select(BOOK.TITLE, AUTHOR.NAME).from(BOOK).join(AUTHOR).on(BOOK.AUTHOR_ID.eq(AUTHOR.ID)).where(BOOK.ID.eq(BOOK.ID.getDataType().convert(request.params(":id")))).fetchOne();
        if (book != null) {
            return book.formatJSON(format);
        } else {
            // 404 Not found
            response.status(404);
            return "{\"error\":\"Book not found\"}";
        }
    });
    // Updates the book resource for the provided id with new information
    // author and title are sent as query parameters e.g. /books/<id>?author=Foo&title=Bar
    put("/books/:id", (request, response) -> {
        return ctx.transactionResult(() -> {
            BookRecord book = ctx.selectFrom(BOOK).where(BOOK.ID.eq(BOOK.ID.getDataType().convert(request.params(":id")))).fetchOne();
            if (book != null) {
                AuthorRecord author = upsertAuthor(ctx, request);
                String newAuthor = request.queryParams("author");
                String newTitle = request.queryParams("title");
                if (newAuthor != null)
                    book.setAuthorId(author.getId());
                if (newTitle != null)
                    book.setTitle(newTitle);
                book.update();
                return book.formatJSON(format);
            } else {
                // 404 Not found
                response.status(404);
                return "{\"error\":\"Book not found\"}";
            }
        });
    });
    // Deletes the book resource for the provided id
    delete("/books/:id", (request, response) -> {
        return ctx.transactionResult(() -> {
            BookRecord book = ctx.deleteFrom(BOOK).where(BOOK.ID.eq(BOOK.ID.getDataType().convert(request.params(":id")))).returning().fetchOne();
            if (book != null) {
                return book.formatJSON(format);
            } else {
                // 404 Not found
                response.status(404);
                return "{\"error\":\"Book not found\"}";
            }
        });
    });
    // Gets all available book resources
    get("/books", (request, response) -> {
        return ctx.select(BOOK.ID, BOOK.TITLE).from(BOOK).fetch().formatJSON(format);
    });
}