Package io.airlift.slice

Examples of io.airlift.slice.DynamicSliceOutput

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            DigestAndPercentile currentValue = digests.get((long) groupId);
            if (currentValue == null || currentValue.getDigest().getCount() == 0.0) {
                output.appendNull();
            }
            else {
                DynamicSliceOutput sliceOutput = new DynamicSliceOutput(currentValue.getDigest().estimatedSerializedSizeInBytes() + SIZE_OF_DOUBLE);
                // write digest
                currentValue.getDigest().serialize(sliceOutput);
                // write percentile
                sliceOutput.appendDouble(currentValue.getPercentile());

                Slice slice = sliceOutput.slice();
                output.append(slice);
            }
        }
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        {
            if (!jsonParser.hasCurrentToken()) {
                throw new JsonParseException("Unexpected end of value", jsonParser.getCurrentLocation());
            }

            DynamicSliceOutput dynamicSliceOutput = new DynamicSliceOutput(ESTIMATED_JSON_OUTPUT_SIZE);
            try (JsonGenerator jsonGenerator = JSON_FACTORY.createJsonGenerator(dynamicSliceOutput)) {
                jsonGenerator.copyCurrentStructure(jsonParser);
            }
            return dynamicSliceOutput.slice();
        }
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        positionCount = block.getPositionCount();

        uncompressedBlock = block;
        uncompressedBlockEncoding = block.getEncoding();

        DynamicSliceOutput sliceOutput = new DynamicSliceOutput(Ints.checkedCast(uncompressedBlock.getSizeInBytes() + ENCODING_BUFFER_OVERHEAD.toBytes()));
        uncompressedBlockEncoding.writeBlock(sliceOutput, uncompressedBlock);
        Slice uncompressedSlice = sliceOutput.slice();

        byte[] compressedBytes = new byte[Snappy.maxCompressedLength(uncompressedSlice.length())];
        int actualLength = Snappy.compress(uncompressedSlice.getBytes(), 0, uncompressedSlice.length(), compressedBytes, 0);
        compressedSlice = Slices.wrappedBuffer(Arrays.copyOf(compressedBytes, actualLength));
    }
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            DigestAndPercentile currentValue = digests.get((long) groupId);
            if (currentValue == null || currentValue.getDigest().getCount() == 0.0) {
                output.appendNull();
            }
            else {
                DynamicSliceOutput sliceOutput = new DynamicSliceOutput(currentValue.getDigest().estimatedSerializedSizeInBytes() + SIZE_OF_DOUBLE);
                // write digest
                currentValue.getDigest().serialize(sliceOutput);
                // write percentile
                sliceOutput.appendDouble(currentValue.getPercentile());

                Slice slice = sliceOutput.slice();
                output.appendSlice(slice);
            }
        }
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            if (digest.getCount() == 0.0) {
                out.appendNull();
            }
            else {
                DynamicSliceOutput sliceOutput = new DynamicSliceOutput(digest.estimatedSerializedSizeInBytes() + SIZE_OF_DOUBLE);
                // write digest
                digest.serialize(sliceOutput);
                // write percentile
                sliceOutput.appendDouble(percentile);

                Slice slice = sliceOutput.slice();
                out.appendSlice(slice);
            }

            return out.build();
        }
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            for (int i = 0; i < accumulators.size(); i++) {
                blocks[i] = accumulators.get(i).evaluateIntermediate();
                sizeEstimate += blocks[i].getSizeInBytes();
            }

            SliceOutput output = new DynamicSliceOutput(sizeEstimate);
            PagesSerde.writePages(blockEncodingSerde, output, new Page(blocks));
            BlockBuilder builder = VARCHAR.createBlockBuilder(new BlockBuilderStatus());
            builder.appendSlice(output.slice());
            return builder.build();
        }
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                accumulators.get(i).evaluateIntermediate(groupId, builder);
                blocks[i] = builder.build();
                sizeEstimate += blocks[i].getSizeInBytes();
            }

            SliceOutput sliceOutput = new DynamicSliceOutput(sizeEstimate);
            PagesSerde.writePages(blockEncodingSerde, sliceOutput, new Page(blocks));
            output.appendSlice(sliceOutput.slice());
        }
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            DigestAndPercentile currentValue = digests.get((long) groupId);
            if (currentValue == null || currentValue.getDigest().getCount() == 0.0) {
                output.appendNull();
            }
            else {
                DynamicSliceOutput sliceOutput = new DynamicSliceOutput(currentValue.getDigest().estimatedSerializedSizeInBytes());
                currentValue.getDigest().serialize(sliceOutput);
                sliceOutput.appendDouble(currentValue.getPercentile());

                output.appendSlice(sliceOutput.slice());
            }
        }
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            if (digest.getCount() == 0.0) {
                out.appendNull();
            }
            else {
                DynamicSliceOutput sliceOutput = new DynamicSliceOutput(digest.estimatedSerializedSizeInBytes() + SIZE_OF_DOUBLE);
                // write digest
                digest.serialize(sliceOutput);
                // write percentile
                sliceOutput.appendDouble(percentile);

                Slice slice = sliceOutput.slice();
                out.appendSlice(slice);
            }

            return out.build();
        }
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            TaskBuffer taskBuffer = taskBuffers.getUnchecked(taskId);
            Page page = taskBuffer.getPage(pageSequenceId);
            if (page != null) {
                headers.put(CONTENT_TYPE, PRESTO_PAGES);
                DynamicSliceOutput output = new DynamicSliceOutput(256);
                PagesSerde.writePages(output, page);
                return new TestingResponse(HttpStatus.OK, headers.build(), output.slice().getInput());
            }
            else if (taskBuffer.isClosed()) {
                return new TestingResponse(HttpStatus.GONE, headers.build(), new byte[0]);
            }
            else {
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Related Classes of io.airlift.slice.DynamicSliceOutput

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  • com.facebook.presto.block.BlockBuilder
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  • com.facebook.presto.operator.aggregation.ApproximatePercentileAggregation$ApproximatePercentileAccumulator
  • com.facebook.presto.operator.aggregation.ApproximatePercentileAggregation$ApproximatePercentileGroupedAccumulator
  • com.facebook.presto.operator.aggregation.ApproximatePercentileWeightedAggregation$ApproximatePercentileWeightedAccumulator
  • com.facebook.presto.operator.aggregation.ApproximatePercentileWeightedAggregation$ApproximatePercentileWeightedGroupedAccumulator
  • com.facebook.presto.operator.aggregation.BootstrappedAggregation$BootstrappedAccumulator
  • com.facebook.presto.operator.aggregation.BootstrappedAggregation$BootstrappedGroupedAccumulator
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