Example usage for org.apache.solr.client.solrj.io.stream.expr StreamFactory getNamedOperand

Introduction

In this page you can find the example usage for org.apache.solr.client.solrj.io.stream.expr StreamFactory getNamedOperand.

Prototype

public StreamExpressionNamedParameter getNamedOperand(StreamExpression expression, String name) 

Source Link

Usage

From source file:com.dennisgove.streaming.expressions.kafka.KafkaTopicConsumerStream.java

License:Apache License

private String getStringParameter(String paramName, StreamExpression expression, StreamFactory factory) {
    StreamExpressionNamedParameter param = factory.getNamedOperand(expression, paramName);
    if (null != param) {
        if (param.getParameter() instanceof StreamExpressionValue) {
            return ((StreamExpressionValue) param.getParameter()).getValue();
        }/*from w  w w .j av a  2  s .  c  o  m*/
    }

    return null;
}

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