Examples with BatchExecMultipleInput org.apache.flink.table.planner.plan.nodes.exec.batch.BatchExecMultipleInput used on opensource projects

Example 1 with BatchExecMultipleInput

use of org.apache.flink.table.planner.plan.nodes.exec.batch.BatchExecMultipleInput in project flink by apache.

the class MultipleInputNodeCreationProcessor method createBatchMultipleInputNode.

private BatchExecMultipleInput createBatchMultipleInputNode(MultipleInputGroup group, List<Tuple3<ExecNode<?>, InputProperty, ExecEdge>> inputs) {
    // first calculate the input orders using InputPriorityConflictResolver
    Set<ExecNode<?>> inputSet = new HashSet<>();
    for (Tuple3<ExecNode<?>, InputProperty, ExecEdge> tuple3 : inputs) {
        inputSet.add(tuple3.f0);
    }
    InputOrderCalculator calculator = new InputOrderCalculator(group.root.execNode, inputSet, InputProperty.DamBehavior.BLOCKING);
    Map<ExecNode<?>, Integer> inputOrderMap = calculator.calculate();
    // then create input rels and edges with the input orders
    ExecNode<?> rootNode = group.root.execNode;
    List<ExecNode<?>> inputNodes = new ArrayList<>();
    List<InputProperty> inputProperties = new ArrayList<>();
    List<ExecEdge> originalEdges = new ArrayList<>();
    for (Tuple3<ExecNode<?>, InputProperty, ExecEdge> tuple3 : inputs) {
        ExecNode<?> inputNode = tuple3.f0;
        InputProperty originalInputEdge = tuple3.f1;
        ExecEdge edge = tuple3.f2;
        inputNodes.add(inputNode);
        inputProperties.add(InputProperty.builder().requiredDistribution(originalInputEdge.getRequiredDistribution()).damBehavior(originalInputEdge.getDamBehavior()).priority(inputOrderMap.get(inputNode)).build());
        originalEdges.add(edge);
    }
    String description = ExecNodeUtil.getMultipleInputDescription(rootNode, inputNodes, inputProperties);
    BatchExecMultipleInput multipleInput = new BatchExecMultipleInput(inputProperties, rootNode, originalEdges, description);
    List<ExecEdge> inputEdges = new ArrayList<>(inputNodes.size());
    for (ExecNode<?> inputNode : inputNodes) {
        inputEdges.add(ExecEdge.builder().source(inputNode).target(multipleInput).build());
    }
    multipleInput.setInputEdges(inputEdges);
    return multipleInput;
}