Examples of com.datastax.driver.core.BoundStatement$DataWrapper

com.datastax.driver.core.BoundStatement
A prepared statement with values bound to the bind variables.
Once values has been provided for the variables of the {@link PreparedStatement}it has been created from, such BoundStatement can be executed (through {@link Session#execute(Statement)}).
The values of a BoundStatement can be set by either index or name. When setting them by name, names follow the case insensitivity rules explained in {@link ColumnDefinitions} but with the difference that if multiple bindvariables have the same name, setting that name will set all the variables for that name.
All the variables of the statement must be bound. If you don't explicitly set a value for a variable, an {@code IllegalStateException} will bethrown when submitting the statement. If you want to set a variable to {@code null}, use {@link #setToNull(int) setToNull}.

        CqlColumn[] columns = PersistOption.ColumnRestrictionOption.filter(persistOptions, writeDataColumns);
        Binder binder = new Binder(columns, true, primaryKeyColumns, PersistMode.INSERT, serializeDefault);


        buildModifyBindColumns(instance, binder);


        BoundStatement bStmt =
            buildModifyInitial(persistenceSession.driverSession(), persistOptions, PreparedStatements.StatementType.INSERT, binder);


        int idx = binder.bindColumns(0, bStmt);


        bindUsingOptions(bStmt, persistOptions, idx);

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        if (persistenceSession.filterUnmodifiedForUpdate(this, instance, binder)) {
            // return null to indicate that the update will not be executed
            return null;
        }


        BoundStatement bStmt = updateBoundStatement(statementOptions, persistenceSession.driverSession(), instance, binder, persistOptions);


        return new BinderAndStatement(bStmt, binder);
    }

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    // used by buildUpdateStatement and PersistenceSesss
    @Override BoundStatement updateBoundStatement(StatementOptions statementOptions, Session session, Object instance, Binder binder,
                                                  PersistOption... persistOptions) {
        persistOptions = withTTL(persistOptions);


        BoundStatement bStmt = buildModifyInitial(session, persistOptions, PreparedStatements.StatementType.UPDATE, binder);


        int idx = bindUsingOptions(bStmt, persistOptions, 0);


        idx = binder.bindColumns(idx, bStmt);

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        Binder binder = new Binder(null, false, primaryKeyColumns, PersistMode.DELETE, true);


        buildModifyBindColumns(instance, binder);


        BoundStatement bStmt =
            buildModifyInitial(persistenceSession.driverSession(), persistOptions, PreparedStatements.StatementType.DELETE, binder);


        int idx = bindUsingOptions(bStmt, persistOptions, 0);


        binder.bindColumns(idx, bStmt);

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        if (isAbstract) {
            throw new ModelUseException("type " + type.getName() + " is abstract");
        }


        PreparedStatement pStmt = preparedStatements.statementFor(session, statementType, binder, persistOptions);
        BoundStatement bStmt = pStmt.bind();


        binder.bindColumns(0, bStmt);


        PersistOption.forBoundStatement(persistOptions, bStmt);
        return bStmt;

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        } catch (Throwable t) {
            throw new RuntimeException("Invalid primary key element "+Arrays.toString(primaryKey), t);
        }


        PreparedStatement pstmt = preparedStatements.statementFor(session, PreparedStatements.StatementType.SELECT, binder, persistOptions);
        BoundStatement bStmt = pstmt.bind();
        statementOptions.applyRead(bStmt, readConsistencyLevel, persistOptions);
        PersistOption.forBoundStatement(persistOptions, bStmt);


        idx = binder.bindColumns(0, bStmt);


        PersistOption.LimitOption.apply(bStmt, persistOptions, idx);


        if (LOGGER.isTraceEnabled()) {
            LOGGER.trace("Submitting load for {} : {}", type, bStmt.preparedStatement().getQueryString());
        }
        if (tracer != null) {
            tracer.onBeginQuery(futures.session, this, bStmt);
        }
        futures.addResultSetFuture(this, session.executeAsync(bStmt), readColumns);

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        Session session = persistenceSession.driverSession();


        PreparedStatement pstmt = preparedStatements
            .statementFor(session, PreparedStatements.StatementType.SELECT, binder, persistOptions);
        BoundStatement bStmt = pstmt.bind();
        statementOptions.applyRead(bStmt, readConsistencyLevel, persistOptions);
        PersistOption.forBoundStatement(persistOptions, bStmt);


        int idx = binder.bindColumns(0, bStmt);

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        CqlColumn[] readColumns = readColumns(persistOptions);


        PreparedStatement pstmt = preparedStatements.statementFor(queryBinder.session, PreparedStatements.StatementType.SELECT,
            readColumns, queryBinder.conditionFor((Class<? extends T>) type), persistOptions);
        BoundStatement bStmt = pstmt.bind();
        statementOptions.applyRead(bStmt, readConsistencyLevel, persistOptions);
        PersistOption.forBoundStatement(persistOptions, bStmt);
        queryBinder.addStatement((Class<? extends T>) type, bStmt, readColumns);
    }

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    @Override <T> void executeQuery(ExecutionTracer tracer, QueryBinderImpl<T> queryBinder, ReadFutureImpl<T> futures) {
        if (isAbstract) {
            return;
        }


        BoundStatement bStmt = queryBinder.statementFor(type);
        if (bStmt != null) {
            if (LOGGER.isTraceEnabled()) {
                LOGGER.trace("Submitting query for {} : {}", type, bStmt.preparedStatement().getQueryString());
            }
            futures.addResultSetFuture(this, queryBinder.session.executeAsync(bStmt), queryBinder.readColumnsFor(type));
        }
    }

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        for (Column c : s) {
            try {
                String colValue = StandardConverters.convertFromBytes(String.class, c.getValue());
                PreparedStatement statement = session.prepare("INSERT INTO " + keys + "." + table + "(id, colname, colvalue) VALUES (?, ?, ?)");
                BoundStatement boundStatement = new BoundStatement(statement);
                if (colValue != null) {
                    session.execute(boundStatement.bind(StandardConverters.convertFromBytes(String.class, rowkey),
                            StandardConverters.convertFromBytes(String.class, c.getName()),
                            ByteBuffer.wrap(c.getValue())));
                } else {
                    session.execute(boundStatement.bind(StandardConverters.convertFromBytes(String.class, rowkey),
                            StandardConverters.convertFromBytes(String.class, c.getName()), ByteBuffer.wrap(nullArray)));
                }


            } catch (Exception e) {
                System.out.println(c.getValue() + "Exception:" + e.getMessage());

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