Examples with StreamExplanation org.apache.solr.client.solrj.io.stream.expr.StreamExplanation used on opensource projects

Example 6 with StreamExplanation

use of org.apache.solr.client.solrj.io.stream.expr.StreamExplanation in project lucene-solr by apache.

the class LetStream method toExplanation.

@Override
public Explanation toExplanation(StreamFactory factory) throws IOException {
    StreamExplanation explanation = new StreamExplanation(getStreamNodeId().toString());
    explanation.setFunctionName(factory.getFunctionName(this.getClass()));
    explanation.setImplementingClass(this.getClass().getName());
    explanation.setExpressionType(ExpressionType.STREAM_DECORATOR);
    explanation.setExpression(toExpression(factory, false).toString());
    explanation.addChild(stream.toExplanation(factory));
    return explanation;
}

Example 7 with StreamExplanation

use of org.apache.solr.client.solrj.io.stream.expr.StreamExplanation in project lucene-solr by apache.

the class ListStream method toExplanation.

@Override
public Explanation toExplanation(StreamFactory factory) throws IOException {
    StreamExplanation explanation = new StreamExplanation(getStreamNodeId().toString());
    explanation.setFunctionName(factory.getFunctionName(this.getClass()));
    explanation.setImplementingClass(this.getClass().getName());
    explanation.setExpressionType(ExpressionType.STREAM_DECORATOR);
    explanation.setExpression(toExpression(factory, false).toString());
    for (TupleStream stream : streams) {
        explanation.addChild(stream.toExplanation(factory));
    }
    return explanation;
}

Example 8 with StreamExplanation

use of org.apache.solr.client.solrj.io.stream.expr.StreamExplanation in project lucene-solr by apache.

the class MergeStream method toExplanation.

@Override
public Explanation toExplanation(StreamFactory factory) throws IOException {
    StreamExplanation explanation = new StreamExplanation(getStreamNodeId().toString());
    explanation.setFunctionName(factory.getFunctionName(this.getClass()));
    explanation.setImplementingClass(this.getClass().getName());
    explanation.setExpressionType(ExpressionType.STREAM_DECORATOR);
    explanation.setExpression(toExpression(factory, false).toString());
    explanation.addHelper(comp.toExplanation(factory));
    for (PushBackStream stream : streams) {
        explanation.addChild(stream.toExplanation(factory));
    }
    return explanation;
}

Example 9 with StreamExplanation

use of org.apache.solr.client.solrj.io.stream.expr.StreamExplanation in project lucene-solr by apache.

the class JDBCStream method toExplanation.

@Override
public Explanation toExplanation(StreamFactory factory) throws IOException {
    StreamExplanation explanation = new StreamExplanation(getStreamNodeId().toString());
    explanation.setFunctionName(factory.getFunctionName(this.getClass()));
    explanation.setImplementingClass(this.getClass().getName());
    explanation.setExpressionType(ExpressionType.STREAM_SOURCE);
    StreamExpression expression = (StreamExpression) toExpression(factory);
    explanation.setExpression(expression.toString());
    String driverClassName = this.driverClassName;
    if (null == driverClassName) {
        try {
            driverClassName = DriverManager.getDriver(connectionUrl).getClass().getName();
        } catch (Exception e) {
            driverClassName = String.format(Locale.ROOT, "Failed to find driver for connectionUrl='%s'", connectionUrl);
        }
    }
    // child is a datastore so add it at this point
    StreamExplanation child = new StreamExplanation(getStreamNodeId() + "-datastore");
    child.setFunctionName("jdbc-source");
    child.setImplementingClass(driverClassName);
    child.setExpressionType(ExpressionType.DATASTORE);
    child.setExpression(sqlQuery);
    explanation.addChild(child);
    return explanation;
}

Example 10 with StreamExplanation

use of org.apache.solr.client.solrj.io.stream.expr.StreamExplanation in project lucene-solr by apache.

the class ParallelStream method toExplanation.

@Override
public Explanation toExplanation(StreamFactory factory) throws IOException {
    StreamExplanation explanation = new StreamExplanation(getStreamNodeId().toString());
    explanation.setFunctionName(factory.getFunctionName(this.getClass()));
    explanation.setImplementingClass(this.getClass().getName());
    explanation.setExpressionType(ExpressionType.STREAM_DECORATOR);
    explanation.setExpression(toExpression(factory, false).toString());
    // add a child for each worker
    for (int idx = 0; idx < workers; ++idx) {
        explanation.addChild(tupleStream.toExplanation(factory));
    }
    return explanation;
}