use of org.apache.solr.client.solrj.io.stream.expr.StreamExpressionNamedParameter in project lucene-solr by apache.
the class ShortestPathStream method toExpression.
@Override
public StreamExpressionParameter toExpression(StreamFactory factory) throws IOException {
StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
// collection
expression.addParameter(collection);
// parameters
ModifiableSolrParams mParams = new ModifiableSolrParams(queryParams);
for (Map.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().toString(), value));
}
expression.addParameter(new StreamExpressionNamedParameter("zkHost", zkHost));
expression.addParameter(new StreamExpressionNamedParameter("maxDepth", Integer.toString(maxDepth)));
expression.addParameter(new StreamExpressionNamedParameter("threads", Integer.toString(threads)));
expression.addParameter(new StreamExpressionNamedParameter("partitionSize", Integer.toString(joinBatchSize)));
expression.addParameter(new StreamExpressionNamedParameter("from", fromNode));
expression.addParameter(new StreamExpressionNamedParameter("to", toNode));
expression.addParameter(new StreamExpressionNamedParameter("edge", fromField + "=" + toField));
return expression;
}
use of org.apache.solr.client.solrj.io.stream.expr.StreamExpressionNamedParameter in project lucene-solr by apache.
the class ConcatOperation method toExpression.
@Override
public StreamExpressionParameter toExpression(StreamFactory factory) throws IOException {
StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
StringBuilder sb = new StringBuilder();
for (String field : fields) {
if (sb.length() > 0) {
sb.append(",");
}
sb.append(field);
}
expression.addParameter(new StreamExpressionNamedParameter("fields", sb.toString()));
expression.addParameter(new StreamExpressionNamedParameter("delim", delim));
expression.addParameter(new StreamExpressionNamedParameter("as", as));
return expression;
}
use of org.apache.solr.client.solrj.io.stream.expr.StreamExpressionNamedParameter in project lucene-solr by apache.
the class ReplaceWithValueOperation method toExpression.
@Override
public StreamExpressionParameter toExpression(StreamFactory factory) throws IOException {
// function name
StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
if (wasBuiltWithFieldName) {
expression.addParameter(fieldName);
}
expression.addParameter(null == original ? "null" : original.toString());
expression.addParameter(new StreamExpressionNamedParameter("withValue", null == replacement ? "null" : replacement.toString()));
return expression;
}
use of org.apache.solr.client.solrj.io.stream.expr.StreamExpressionNamedParameter in project lucene-solr by apache.
the class ComplementStream 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 IntersectionStream 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;
}
use of org.apache.solr.client.solrj.io.stream.expr.StreamExpressionNamedParameter in project lucene-solr by apache.
the class CloudSolrStream 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));
// aliases
if (null != fieldMappings && 0 != fieldMappings.size()) {
StringBuilder sb = new StringBuilder();
for (Entry<String, String> mapping : fieldMappings.entrySet()) {
if (sb.length() > 0) {
sb.append(",");
}
sb.append(mapping.getKey());
sb.append("=");
sb.append(mapping.getValue());
}
expression.addParameter(new StreamExpressionNamedParameter("aliases", sb.toString()));
}
return expression;
}
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