Examples of com.facebook.presto.spi.ConnectorPageSource

com.facebook.presto.spi.ConnectorPageSource

    }


    @Override
    public void finish()
    {
        ConnectorPageSource delegate = getSource();
        if (delegate == null) {
            return;
        }
        try {
            delegate.close();
        }
        catch (IOException e) {
            throw Throwables.propagate(e);
        }
    }

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    }


    @Override
    public boolean isFinished()
    {
        ConnectorPageSource delegate = getSource();
        return delegate != null && delegate.isFinished();
    }

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    }


    @Override
    public ListenableFuture<?> isBlocked()
    {
        ConnectorPageSource delegate = getSource();
        if (delegate != null) {
            return NOT_BLOCKED;
        }
        return blocked;
    }

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    }


    @Override
    public Page getOutput()
    {
        ConnectorPageSource delegate = getSource();
        if (delegate == null) {
            return null;
        }


        Page page = delegate.getNextPage();
        if (page != null) {
            // update operator stats
            long endCompletedBytes = delegate.getCompletedBytes();
            long endReadTimeNanos = delegate.getReadTimeNanos();
            operatorContext.recordGeneratedInput(endCompletedBytes - completedBytes, page.getPositionCount(), endReadTimeNanos - readTimeNanos);
            completedBytes = endCompletedBytes;
            readTimeNanos = endReadTimeNanos;
        }

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            @Override
            public Operator createOperator(DriverContext driverContext)
            {
                OperatorContext operatorContext = driverContext.addOperatorContext(operatorId, "BenchmarkSource");
                ConnectorPageSource pageSource = pageSourceManager.createPageSource(split, columnHandles);
                return new PageSourceOperator(pageSource, columnTypes, operatorContext);
            }


            @Override
            public void close()

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    public synchronized void addSplit(Split split)
    {
        checkNotNull(split, "split is null");
        checkState(cursor == null && pageSource == null, "split already set");


        ConnectorPageSource pageSource = pageSourceProvider.createPageSource(split, columns);
        if (pageSource instanceof RecordPageSource) {
            cursor = ((RecordPageSource) pageSource).getCursor();
        }
        else {
            this.pageSource = pageSource;

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com.facebook.presto.operator.TableScanOperator

com.facebook.presto.testing.LocalQueryRunner

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