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

Example 31 with StreamExpressionNamedParameter

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

the class TopicStream method toExpression.

@Override
public StreamExpression toExpression(StreamFactory factory) throws IOException {
    // function name
    StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
    expression.addParameter(checkpointCollection);
    // collection
    expression.addParameter(collection);
    ModifiableSolrParams mParams = new ModifiableSolrParams(params);
    for (Entry<String, String[]> param : mParams.getMap().entrySet()) {
        String value = String.join(",", param.getValue());
        // SOLR-8409: This is a special case where the params contain a " character
        // Do note that in any other BASE streams with parameters where a " might come into play
        // that this same replacement needs to take place.
        value = value.replace("\"", "\\\"");
        expression.addParameter(new StreamExpressionNamedParameter(param.getKey(), value));
    }
    // zkHost
    expression.addParameter(new StreamExpressionNamedParameter("zkHost", zkHost));
    expression.addParameter(new StreamExpressionNamedParameter(ID, id));
    if (initialCheckpoint > -1) {
        expression.addParameter(new StreamExpressionNamedParameter("initialCheckpoint", Long.toString(initialCheckpoint)));
    }
    expression.addParameter(new StreamExpressionNamedParameter("checkpointEvery", Long.toString(checkpointEvery)));
    return expression;
}

Example 32 with StreamExpressionNamedParameter

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

the class SqlStream method toExpression.

@Override
public StreamExpression toExpression(StreamFactory factory) throws IOException {
    // functionName(collectionName, param1, param2, ..., paramN, sort="comp", [aliases="field=alias,..."])
    // function name
    StreamExpression expression = new StreamExpression(factory.getFunctionName(getClass()));
    // collection
    expression.addParameter(collection);
    // parameters
    ModifiableSolrParams mParams = new ModifiableSolrParams(SolrParams.toMultiMap(params.toNamedList()));
    for (Entry<String, String[]> param : mParams.getMap().entrySet()) {
        String value = String.join(",", param.getValue());
        // SOLR-8409: This is a special case where the params contain a " character
        // Do note that in any other BASE streams with parameters where a " might come into play
        // that this same replacement needs to take place.
        value = value.replace("\"", "\\\"");
        expression.addParameter(new StreamExpressionNamedParameter(param.getKey(), value));
    }
    // zkHost
    expression.addParameter(new StreamExpressionNamedParameter("zkHost", zkHost));
    return expression;
}

Example 33 with StreamExpressionNamedParameter

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

the class TimeSeriesStream method toExpression.

@Override
public StreamExpressionParameter toExpression(StreamFactory factory) throws IOException {
    // function name
    StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
    // collection
    expression.addParameter(collection);
    // parameters
    ModifiableSolrParams tmpParams = new ModifiableSolrParams(params);
    for (Entry<String, String[]> param : tmpParams.getMap().entrySet()) {
        expression.addParameter(new StreamExpressionNamedParameter(param.getKey(), String.join(",", param.getValue())));
    }
    // metrics
    for (Metric metric : metrics) {
        expression.addParameter(metric.toExpression(factory));
    }
    expression.addParameter(new StreamExpressionNamedParameter("start", start));
    expression.addParameter(new StreamExpressionNamedParameter("end", end));
    expression.addParameter(new StreamExpressionNamedParameter("gap", gap));
    expression.addParameter(new StreamExpressionNamedParameter("field", gap));
    expression.addParameter(new StreamExpressionNamedParameter("format", format));
    // zkHost
    expression.addParameter(new StreamExpressionNamedParameter("zkHost", zkHost));
    return expression;
}

Example 34 with StreamExpressionNamedParameter

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

the class CartesianProductStream method toExpression.

private StreamExpression toExpression(StreamFactory factory, boolean includeStreams) throws IOException {
    // function name
    StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
    if (includeStreams) {
        // we know stream is expressible
        expression.addParameter(((Expressible) stream).toExpression(factory));
    } else {
        expression.addParameter("<stream>");
    }
    // selected evaluators
    for (NamedEvaluator evaluator : evaluators) {
        expression.addParameter(String.format(Locale.ROOT, "%s as %s", evaluator.getEvaluator().toExpression(factory), evaluator.getName()));
    }
    expression.addParameter(new StreamExpressionNamedParameter("productSort", orderBy.toExpression(factory)));
    return expression;
}

Example 35 with StreamExpressionNamedParameter

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

the class IntersectStream method toExpression.

private StreamExpression toExpression(StreamFactory factory, boolean includeStreams) throws IOException {
    // function name
    StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
    if (includeStreams) {
        // streams
        if (streamA instanceof Expressible) {
            expression.addParameter(((Expressible) streamA).toExpression(factory));
        } else {
            throw new IOException("This IntersectStream contains a non-expressible TupleStream - it cannot be converted to an expression");
        }
        if (originalStreamB instanceof Expressible) {
            expression.addParameter(((Expressible) originalStreamB).toExpression(factory));
        } else {
            throw new IOException("This IntersectStream contains a non-expressible TupleStream - it cannot be converted to an expression");
        }
    } else {
        expression.addParameter("<stream>");
        expression.addParameter("<stream>");
    }
    // on
    expression.addParameter(new StreamExpressionNamedParameter("on", eq.toExpression(factory)));
    return expression;
}