Examples with OutputBuffers com.facebook.presto.execution.buffer.OutputBuffers used on opensource projects

Example 11 with OutputBuffers

use of com.facebook.presto.execution.buffer.OutputBuffers in project presto by prestodb.

the class TestPartitionedOutputOperator method createPartitionedOutputOperator.

private static PartitionedOutputOperator createPartitionedOutputOperator(boolean shouldReplicate) {
    PartitionFunction partitionFunction = new LocalPartitionGenerator(new InterpretedHashGenerator(ImmutableList.of(BIGINT), new int[] { 0 }), PARTITION_COUNT);
    OutputPartitioning outputPartitioning;
    if (shouldReplicate) {
        outputPartitioning = new OutputPartitioning(partitionFunction, ImmutableList.of(0), ImmutableList.of(Optional.empty()), true, OptionalInt.of(0));
    } else {
        outputPartitioning = new OutputPartitioning(partitionFunction, ImmutableList.of(0), ImmutableList.of(Optional.empty(), Optional.empty()), false, OptionalInt.empty());
    }
    PagesSerdeFactory serdeFactory = new PagesSerdeFactory(new BlockEncodingManager(), false);
    DriverContext driverContext = TestingTaskContext.builder(EXECUTOR, SCHEDULER, TEST_SESSION).setMemoryPoolSize(MAX_MEMORY).setQueryMaxTotalMemory(MAX_MEMORY).build().addPipelineContext(0, true, true, false).addDriverContext();
    OutputBuffers buffers = createInitialEmptyOutputBuffers(PARTITIONED);
    for (int partition = 0; partition < PARTITION_COUNT; partition++) {
        buffers = buffers.withBuffer(new OutputBuffers.OutputBufferId(partition), partition);
    }
    PartitionedOutputBuffer buffer = new PartitionedOutputBuffer("task-instance-id", new StateMachine<>("bufferState", SCHEDULER, OPEN, TERMINAL_BUFFER_STATES), buffers.withNoMoreBufferIds(), new DataSize(Long.MAX_VALUE, BYTE), () -> new SimpleLocalMemoryContext(newSimpleAggregatedMemoryContext(), "test"), SCHEDULER);
    buffer.registerLifespanCompletionCallback(ignore -> {
    });
    PartitionedOutputOperator.PartitionedOutputFactory operatorFactory;
    if (shouldReplicate) {
        operatorFactory = new PartitionedOutputOperator.PartitionedOutputFactory(buffer, PARTITION_MAX_MEMORY);
        return (PartitionedOutputOperator) operatorFactory.createOutputOperator(0, new PlanNodeId("plan-node-0"), REPLICATION_TYPES, Function.identity(), Optional.of(outputPartitioning), serdeFactory).createOperator(driverContext);
    } else {
        operatorFactory = new PartitionedOutputOperator.PartitionedOutputFactory(buffer, PARTITION_MAX_MEMORY);
        return (PartitionedOutputOperator) operatorFactory.createOutputOperator(0, new PlanNodeId("plan-node-0"), TYPES, Function.identity(), Optional.of(outputPartitioning), serdeFactory).createOperator(driverContext);
    }
}