Examples with ProcessorFunction com.alibaba.maxgraph.compiler.logical.function.ProcessorFunction used on opensource projects

Example 71 with ProcessorFunction

use of com.alibaba.maxgraph.compiler.logical.function.ProcessorFunction in project GraphScope by alibaba.

the class AbstractUseKeyNode method processJoinZeroVertex.

/**
 * Process zero for sum and count vertex
 *
 * @param vertexIdManager     The vertex id manager
 * @param logicalSubQueryPlan The logical sub query plan
 * @param valueVertex         The value vertex
 * @param joinZeroFlag        The join zero flag
 * @return The output vertex after deal with join zero flag
 */
protected LogicalVertex processJoinZeroVertex(VertexIdManager vertexIdManager, LogicalSubQueryPlan logicalSubQueryPlan, LogicalVertex valueVertex, boolean joinZeroFlag) {
    LogicalVertex outputVertex = valueVertex;
    LogicalVertex leftVertex = getSourceVertex();
    if (joinZeroFlag && null != leftVertex) {
        ProcessorFunction joinZeroFunction = new ProcessorFunction(QueryFlowOuterClass.OperatorType.JOIN_RIGHT_ZERO_JOIN);
        LogicalBinaryVertex logicalBinaryVertex = new LogicalBinaryVertex(vertexIdManager.getId(), joinZeroFunction, false, leftVertex, valueVertex);
        logicalSubQueryPlan.addLogicalVertex(logicalBinaryVertex);
        logicalSubQueryPlan.addLogicalEdge(valueVertex, logicalBinaryVertex, new LogicalEdge());
        outputVertex = logicalBinaryVertex;
    }
    return outputVertex;
}