You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@lucene.apache.org by jb...@apache.org on 2016/07/06 21:04:56 UTC
[4/6] lucene-solr:branch_6x: SOLR-9193: Add scoreNodes Streaming
Expression
SOLR-9193: Add scoreNodes Streaming Expression
Conflicts:
solr/core/src/java/org/apache/solr/handler/StreamHandler.java
Project: http://git-wip-us.apache.org/repos/asf/lucene-solr/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/879a245e
Tree: http://git-wip-us.apache.org/repos/asf/lucene-solr/tree/879a245e
Diff: http://git-wip-us.apache.org/repos/asf/lucene-solr/diff/879a245e
Branch: refs/heads/branch_6x
Commit: 879a245e4e0b63edaa240e1e138223dd9e86b301
Parents: 1427f4b
Author: jbernste <jb...@apache.org>
Authored: Mon Jul 4 20:35:10 2016 -0400
Committer: jbernste <jb...@apache.org>
Committed: Wed Jul 6 16:58:40 2016 -0400
----------------------------------------------------------------------
.../org/apache/solr/handler/GraphHandler.java | 2 +-
.../org/apache/solr/handler/StreamHandler.java | 1 +
.../solr/handler/component/SearchComponent.java | 2 +
.../solr/handler/component/SearchHandler.java | 2 +
.../solr/handler/component/TermsComponent.java | 27 ++
solr/core/src/resources/ImplicitPlugins.json | 6 +
.../test/org/apache/solr/MinimalSchemaTest.java | 4 +-
.../test/org/apache/solr/core/SolrCoreTest.java | 1 +
.../DistributedTermsComponentTest.java | 2 +
.../handler/component/TermsComponentTest.java | 12 +
.../solrj/io/stream/ScoreNodesStream.java | 245 +++++++++++++++++++
.../apache/solr/common/params/TermsParams.java | 6 +
.../solrj/io/graph/GraphExpressionTest.java | 95 +++++++
13 files changed, 403 insertions(+), 2 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/core/src/java/org/apache/solr/handler/GraphHandler.java
----------------------------------------------------------------------
diff --git a/solr/core/src/java/org/apache/solr/handler/GraphHandler.java b/solr/core/src/java/org/apache/solr/handler/GraphHandler.java
index 657e6b3..c4b42d9 100644
--- a/solr/core/src/java/org/apache/solr/handler/GraphHandler.java
+++ b/solr/core/src/java/org/apache/solr/handler/GraphHandler.java
@@ -118,7 +118,7 @@ public class GraphHandler extends RequestHandlerBase implements SolrCoreAware, P
.withFunctionName("shortestPath", ShortestPathStream.class)
.withFunctionName("gatherNodes", GatherNodesStream.class)
.withFunctionName("sort", SortStream.class)
-
+ .withFunctionName("scoreNodes", ScoreNodesStream.class)
// metrics
.withFunctionName("min", MinMetric.class)
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
----------------------------------------------------------------------
diff --git a/solr/core/src/java/org/apache/solr/handler/StreamHandler.java b/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
index 91ee096..1e9ba27 100644
--- a/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
+++ b/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
@@ -126,6 +126,7 @@ public class StreamHandler extends RequestHandlerBase implements SolrCoreAware,
.withFunctionName("select", SelectStream.class)
.withFunctionName("shortestPath", ShortestPathStream.class)
.withFunctionName("gatherNodes", GatherNodesStream.class)
+ .withFunctionName("scoreNodes", ScoreNodesStream.class)
// metrics
.withFunctionName("min", MinMetric.class)
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/core/src/java/org/apache/solr/handler/component/SearchComponent.java
----------------------------------------------------------------------
diff --git a/solr/core/src/java/org/apache/solr/handler/component/SearchComponent.java b/solr/core/src/java/org/apache/solr/handler/component/SearchComponent.java
index 7b70708..6ef0ee4 100644
--- a/solr/core/src/java/org/apache/solr/handler/component/SearchComponent.java
+++ b/solr/core/src/java/org/apache/solr/handler/component/SearchComponent.java
@@ -140,6 +140,8 @@ public abstract class SearchComponent implements SolrInfoMBean, NamedListInitial
map.put(DebugComponent.COMPONENT_NAME, DebugComponent.class);
map.put(RealTimeGetComponent.COMPONENT_NAME, RealTimeGetComponent.class);
map.put(ExpandComponent.COMPONENT_NAME, ExpandComponent.class);
+ map.put(TermsComponent.COMPONENT_NAME, TermsComponent.class);
+
standard_components = Collections.unmodifiableMap(map);
}
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/core/src/java/org/apache/solr/handler/component/SearchHandler.java
----------------------------------------------------------------------
diff --git a/solr/core/src/java/org/apache/solr/handler/component/SearchHandler.java b/solr/core/src/java/org/apache/solr/handler/component/SearchHandler.java
index f4a1776..e8362dc 100644
--- a/solr/core/src/java/org/apache/solr/handler/component/SearchHandler.java
+++ b/solr/core/src/java/org/apache/solr/handler/component/SearchHandler.java
@@ -85,6 +85,8 @@ public class SearchHandler extends RequestHandlerBase implements SolrCoreAware ,
names.add( StatsComponent.COMPONENT_NAME );
names.add( DebugComponent.COMPONENT_NAME );
names.add( ExpandComponent.COMPONENT_NAME);
+ names.add( TermsComponent.COMPONENT_NAME);
+
return names;
}
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/core/src/java/org/apache/solr/handler/component/TermsComponent.java
----------------------------------------------------------------------
diff --git a/solr/core/src/java/org/apache/solr/handler/component/TermsComponent.java b/solr/core/src/java/org/apache/solr/handler/component/TermsComponent.java
index 8a0bad3..28649db 100644
--- a/solr/core/src/java/org/apache/solr/handler/component/TermsComponent.java
+++ b/solr/core/src/java/org/apache/solr/handler/component/TermsComponent.java
@@ -93,6 +93,14 @@ public class TermsComponent extends SearchComponent {
if (fields == null || fields.length==0) return;
+ boolean termStats = params.getBool(TermsParams.TERMS_STATS, false);
+
+ if(termStats) {
+ NamedList<Number> stats = new SimpleOrderedMap();
+ rb.rsp.add("stats", stats);
+ collectStats(rb.req.getSearcher(), stats);
+ }
+
String termList = params.get(TermsParams.TERMS_LIST);
if(termList != null) {
fetchTerms(rb.req.getSearcher(), fields, termList, termsResult);
@@ -291,6 +299,13 @@ public class TermsComponent extends SearchComponent {
@SuppressWarnings("unchecked")
NamedList<NamedList<Number>> terms = (NamedList<NamedList<Number>>) srsp.getSolrResponse().getResponse().get("terms");
th.parse(terms);
+
+
+ NamedList<Number> stats = (NamedList<Number>)srsp.getSolrResponse().getResponse().get("stats");
+ if(stats != null) {
+ th.numDocs += stats.get("numDocs").longValue();
+ th.stats = true;
+ }
}
}
}
@@ -305,6 +320,11 @@ public class TermsComponent extends SearchComponent {
NamedList terms = ti.buildResponse();
rb.rsp.add("terms", terms);
+ if(ti.stats) {
+ NamedList<Number> stats = new SimpleOrderedMap();
+ stats.add("numDocs", Long.valueOf(ti.numDocs));
+ rb.rsp.add("stats", stats);
+ }
rb._termsHelper = null;
}
@@ -331,6 +351,8 @@ public class TermsComponent extends SearchComponent {
// map to store returned terms
private HashMap<String, HashMap<String, TermsResponse.Term>> fieldmap;
private SolrParams params;
+ public long numDocs = 0;
+ public boolean stats;
public TermsHelper() {
fieldmap = new HashMap<>(5);
@@ -547,6 +569,11 @@ public class TermsComponent extends SearchComponent {
}
}
+ private void collectStats(SolrIndexSearcher searcher, NamedList<Number> stats) {
+ int numDocs = searcher.getTopReaderContext().reader().numDocs();
+ stats.add("numDocs", Long.valueOf(numDocs));
+ }
+
@Override
public String getDescription() {
return "A Component for working with Term Enumerators";
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/core/src/resources/ImplicitPlugins.json
----------------------------------------------------------------------
diff --git a/solr/core/src/resources/ImplicitPlugins.json b/solr/core/src/resources/ImplicitPlugins.json
index 325bf91..58f6b79 100644
--- a/solr/core/src/resources/ImplicitPlugins.json
+++ b/solr/core/src/resources/ImplicitPlugins.json
@@ -104,6 +104,12 @@
"wt": "json",
"distrib": false
}
+ },
+ "/terms": {
+ "class": "solr.SearchHandler",
+ "components": [
+ "terms"
+ ]
}
}
}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/core/src/test/org/apache/solr/MinimalSchemaTest.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/MinimalSchemaTest.java b/solr/core/src/test/org/apache/solr/MinimalSchemaTest.java
index 4926dd4..af058d0 100644
--- a/solr/core/src/test/org/apache/solr/MinimalSchemaTest.java
+++ b/solr/core/src/test/org/apache/solr/MinimalSchemaTest.java
@@ -114,7 +114,9 @@ public class MinimalSchemaTest extends SolrTestCaseJ4 {
handler.startsWith("/export") ||
handler.startsWith("/graph") ||
handler.startsWith("/sql") ||
- handler.startsWith("/stream")
+ handler.startsWith("/stream") ||
+ handler.startsWith("/terms")
+
) {
continue;
}
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/core/src/test/org/apache/solr/core/SolrCoreTest.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/core/SolrCoreTest.java b/solr/core/src/test/org/apache/solr/core/SolrCoreTest.java
index 049d5e7..75dbf0c 100644
--- a/solr/core/src/test/org/apache/solr/core/SolrCoreTest.java
+++ b/solr/core/src/test/org/apache/solr/core/SolrCoreTest.java
@@ -98,6 +98,7 @@ public class SolrCoreTest extends SolrTestCaseJ4 {
++ihCount; assertEquals(pathToClassMap.get("/admin/threads"), "solr.ThreadDumpHandler");
++ihCount; assertEquals(pathToClassMap.get("/config"), "solr.SolrConfigHandler");
++ihCount; assertEquals(pathToClassMap.get("/export"), "solr.SearchHandler");
+ ++ihCount; assertEquals(pathToClassMap.get("/terms"), "solr.SearchHandler");
++ihCount; assertEquals(pathToClassMap.get("/get"), "solr.RealTimeGetHandler");
++ihCount; assertEquals(pathToClassMap.get(ReplicationHandler.PATH), "solr.ReplicationHandler");
++ihCount; assertEquals(pathToClassMap.get("/schema"), "solr.SchemaHandler");
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/core/src/test/org/apache/solr/handler/component/DistributedTermsComponentTest.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/handler/component/DistributedTermsComponentTest.java b/solr/core/src/test/org/apache/solr/handler/component/DistributedTermsComponentTest.java
index dba7cc4..951cd88 100644
--- a/solr/core/src/test/org/apache/solr/handler/component/DistributedTermsComponentTest.java
+++ b/solr/core/src/test/org/apache/solr/handler/component/DistributedTermsComponentTest.java
@@ -51,6 +51,8 @@ public class DistributedTermsComponentTest extends BaseDistributedSearchTestCase
query("qt", "/terms", "shards.qt", "/terms", "terms", "true", "terms.fl", "b_t", "terms.sort", "index");
query("qt", "/terms", "shards.qt", "/terms", "terms", "true", "terms.fl", "b_t", "terms.list", "snake, zebra, ant, bad");
query("qt", "/terms", "shards.qt", "/terms", "terms", "true", "terms.fl", "foo_i", "terms.list", "2, 3, 1");
+ query("qt", "/terms", "shards.qt", "/terms", "terms", "true", "terms.fl", "foo_i", "terms.stats", "true","terms.list", "2, 3, 1");
+
}
}
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/core/src/test/org/apache/solr/handler/component/TermsComponentTest.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/handler/component/TermsComponentTest.java b/solr/core/src/test/org/apache/solr/handler/component/TermsComponentTest.java
index 19bd4e1..473b727 100644
--- a/solr/core/src/test/org/apache/solr/handler/component/TermsComponentTest.java
+++ b/solr/core/src/test/org/apache/solr/handler/component/TermsComponentTest.java
@@ -180,6 +180,7 @@ public class TermsComponentTest extends SolrTestCaseJ4 {
,"//lst[@name='standardfilt']/int[4][@name='spider'][.='1']"
);
+
//Test with numeric terms
assertQ(req("indent","true", "qt","/terms", "terms","true",
"terms.fl","foo_i",
@@ -190,6 +191,17 @@ public class TermsComponentTest extends SolrTestCaseJ4 {
);
}
+
+ @Test
+ public void testStats() throws Exception {
+ //Terms list always returns in index order
+ assertQ(req("indent", "true", "qt", "/terms", "terms", "true",
+ "terms.fl", "standardfilt","terms.stats", "true",
+ "terms.list", "spider, snake, shark, ddddd, bad")
+ , "//lst[@name='stats']/int[1][@name='numDocs'][.='23']"
+ );
+ }
+
@Test
public void testSortIndex() throws Exception {
assertQ(req("indent","true", "qt","/terms", "terms","true",
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/ScoreNodesStream.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/ScoreNodesStream.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/ScoreNodesStream.java
new file mode 100644
index 0000000..f2aa070
--- /dev/null
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/ScoreNodesStream.java
@@ -0,0 +1,245 @@
+package org.apache.solr.client.solrj.io.stream;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.HashMap;
+
+import org.apache.solr.client.solrj.impl.CloudSolrClient;
+import org.apache.solr.client.solrj.io.SolrClientCache;
+import org.apache.solr.client.solrj.io.Tuple;
+import org.apache.solr.client.solrj.io.comp.StreamComparator;
+import org.apache.solr.client.solrj.io.stream.expr.Explanation;
+import org.apache.solr.client.solrj.io.stream.expr.Explanation.ExpressionType;
+import org.apache.solr.client.solrj.io.stream.expr.Expressible;
+import org.apache.solr.client.solrj.io.stream.expr.StreamExplanation;
+import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
+import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionNamedParameter;
+import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionValue;
+import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
+import org.apache.solr.client.solrj.request.QueryRequest;
+import org.apache.solr.common.params.CommonParams;
+import org.apache.solr.common.params.ModifiableSolrParams;
+import org.apache.solr.common.params.TermsParams;
+import org.apache.solr.common.util.NamedList;
+
+/**
+ * Iterates over a gatherNodes() expression and scores the node Tuples based based on tf-idf.
+ *
+ * Expression Syntax:
+ *
+ * Default function call uses the "count(*)" value for node freq.
+ *
+ * You can use a different value for node freq by providing the nodeFreq param
+ * scoreNodes(gatherNodes(...), nodeFreq="min(weight)")
+ *
+ **/
+
+public class ScoreNodesStream extends TupleStream implements Expressible
+{
+
+ private static final long serialVersionUID = 1;
+
+ protected String zkHost;
+ private TupleStream stream;
+ private transient SolrClientCache clientCache;
+ private Map<String, Tuple> nodes = new HashMap();
+ private Iterator<Tuple> tuples;
+ private String termFreq;
+
+ public ScoreNodesStream(TupleStream tupleStream, String nodeFreqField) throws IOException {
+ init(tupleStream, nodeFreqField);
+ }
+
+ public ScoreNodesStream(StreamExpression expression, StreamFactory factory) throws IOException {
+ // grab all parameters out
+ List<StreamExpression> streamExpressions = factory.getExpressionOperandsRepresentingTypes(expression, Expressible.class, TupleStream.class);
+ StreamExpressionNamedParameter nodeFreqParam = factory.getNamedOperand(expression, "termFreq");
+
+ String docFreqField = "count(*)";
+ if(nodeFreqParam != null) {
+ docFreqField = nodeFreqParam.getParameter().toString();
+ }
+
+ if(1 != streamExpressions.size()){
+ throw new IOException(String.format(Locale.ROOT,"Invalid expression %s - expecting a single stream but found %d",expression, streamExpressions.size()));
+ }
+
+ zkHost = factory.getDefaultZkHost();
+
+ if(null == zkHost){
+ throw new IOException("zkHost not found");
+ }
+
+ TupleStream stream = factory.constructStream(streamExpressions.get(0));
+
+ init(stream, docFreqField);
+ }
+
+ private void init(TupleStream tupleStream, String termFreq) throws IOException{
+ this.stream = tupleStream;
+ this.termFreq = termFreq;
+ }
+
+ @Override
+ public StreamExpression toExpression(StreamFactory factory) throws IOException{
+ return toExpression(factory, true);
+ }
+
+ private StreamExpression toExpression(StreamFactory factory, boolean includeStreams) throws IOException {
+ // function name
+ StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
+
+ // nodeFreqField
+ expression.addParameter(new StreamExpressionNamedParameter("termFreq", termFreq));
+
+ if(includeStreams){
+ // stream
+ if(stream instanceof Expressible){
+ expression.addParameter(((Expressible)stream).toExpression(factory));
+ }
+ else{
+ throw new IOException("This ScoreNodesStream contains a non-expressible TupleStream - it cannot be converted to an expression");
+ }
+ }
+ else{
+ expression.addParameter("<stream>");
+ }
+
+ return expression;
+ }
+
+ @Override
+ public Explanation toExplanation(StreamFactory factory) throws IOException {
+
+ return new StreamExplanation(getStreamNodeId().toString())
+ .withChildren(new Explanation[]{
+ stream.toExplanation(factory)
+ })
+ .withFunctionName(factory.getFunctionName(this.getClass()))
+ .withImplementingClass(this.getClass().getName())
+ .withExpressionType(ExpressionType.STREAM_DECORATOR)
+ .withExpression(toExpression(factory, false).toString());
+ }
+
+ public void setStreamContext(StreamContext context) {
+ this.clientCache = context.getSolrClientCache();
+ this.stream.setStreamContext(context);
+ }
+
+ public List<TupleStream> children() {
+ List<TupleStream> l = new ArrayList();
+ l.add(stream);
+ return l;
+ }
+
+ public void open() throws IOException {
+ stream.open();
+ Tuple node = null;
+ StringBuilder builder = new StringBuilder();
+ String field = null;
+ String collection = null;
+ while(true) {
+ node = stream.read();
+ if(node.EOF) {
+ break;
+ }
+
+ String nodeId = node.getString("node");
+ nodes.put(nodeId, node);
+ if(builder.length() > 0) {
+ builder.append(",");
+ field = node.getString("field");
+ collection = node.getString("collection");
+ }
+ builder.append(nodeId);
+ }
+
+ CloudSolrClient client = clientCache.getCloudSolrClient(zkHost);
+ ModifiableSolrParams params = new ModifiableSolrParams();
+ params.add(CommonParams.QT, "/terms");
+ params.add(TermsParams.TERMS, "true");
+ params.add(TermsParams.TERMS_FIELD, field);
+ params.add(TermsParams.TERMS_STATS, "true");
+ params.add(TermsParams.TERMS_LIST, builder.toString());
+ QueryRequest request = new QueryRequest(params);
+
+
+ try {
+
+ //Get the response from the terms component
+ NamedList response = client.request(request, collection);
+ NamedList<Number> stats = (NamedList<Number>)response.get("stats");
+ long numDocs = stats.get("numDocs").longValue();
+ NamedList<NamedList<Number>> fields = (NamedList<NamedList<Number>>)response.get("terms");
+
+ int size = fields.size();
+ for(int i=0; i<size; i++) {
+ String fieldName = fields.getName(i);
+ NamedList<Number> terms = fields.get(fieldName);
+ int tsize = terms.size();
+ for(int t=0; t<tsize; t++) {
+ String term = terms.getName(t);
+ Number docFreq = terms.get(term);
+ Tuple tuple = nodes.get(term);
+ Number termFreqValue = (Number)tuple.get(termFreq);
+ float score = termFreqValue.floatValue() * (float) (Math.log((numDocs + 1) / (docFreq.doubleValue() + 1)) + 1.0);
+ tuple.put("nodeScore", score);
+ tuple.put("docFreq", docFreq);
+ tuple.put("numDocs", numDocs);
+ }
+ }
+ } catch (Exception e) {
+ throw new IOException(e);
+ }
+
+ tuples = nodes.values().iterator();
+ }
+
+ public void close() throws IOException {
+ stream.close();
+ }
+
+ public StreamComparator getComparator(){
+ return null;
+ }
+
+ public Tuple read() throws IOException {
+ if(tuples.hasNext()) {
+ return tuples.next();
+ } else {
+ Map map = new HashMap();
+ map.put("EOF", true);
+ return new Tuple(map);
+ }
+ }
+
+ public StreamComparator getStreamSort(){
+ return null;
+ }
+
+ public int getCost() {
+ return 0;
+ }
+
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/solrj/src/java/org/apache/solr/common/params/TermsParams.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/common/params/TermsParams.java b/solr/solrj/src/java/org/apache/solr/common/params/TermsParams.java
index 470b14d..d719500 100644
--- a/solr/solrj/src/java/org/apache/solr/common/params/TermsParams.java
+++ b/solr/solrj/src/java/org/apache/solr/common/params/TermsParams.java
@@ -45,6 +45,12 @@ public interface TermsParams {
public static final String TERMS_LIST = TERMS_PREFIX + "list";
/**
+ * Optional. The list of terms to be retrieved.
+ *
+ */
+ public static final String TERMS_STATS = TERMS_PREFIX + "stats";
+
+ /**
* Optional. The lower bound term to start at. The TermEnum will start at the next term after this term in the dictionary.
*
* If not specified, the empty string is used
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/879a245e/solr/solrj/src/test/org/apache/solr/client/solrj/io/graph/GraphExpressionTest.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/test/org/apache/solr/client/solrj/io/graph/GraphExpressionTest.java b/solr/solrj/src/test/org/apache/solr/client/solrj/io/graph/GraphExpressionTest.java
index 79579d1..9dbd706 100644
--- a/solr/solrj/src/test/org/apache/solr/client/solrj/io/graph/GraphExpressionTest.java
+++ b/solr/solrj/src/test/org/apache/solr/client/solrj/io/graph/GraphExpressionTest.java
@@ -40,6 +40,8 @@ import org.apache.solr.client.solrj.io.comp.ComparatorOrder;
import org.apache.solr.client.solrj.io.comp.FieldComparator;
import org.apache.solr.client.solrj.io.stream.CloudSolrStream;
import org.apache.solr.client.solrj.io.stream.HashJoinStream;
+import org.apache.solr.client.solrj.io.stream.ScoreNodesStream;
+import org.apache.solr.client.solrj.io.stream.SortStream;
import org.apache.solr.client.solrj.io.stream.StreamContext;
import org.apache.solr.client.solrj.io.stream.TupleStream;
import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
@@ -384,6 +386,94 @@ public class GraphExpressionTest extends SolrCloudTestCase {
}
+
+ @Test
+ public void testScoreNodesStream() throws Exception {
+
+
+ new UpdateRequest()
+ .add(id, "0", "basket_s", "basket1", "product_s", "product1", "price_f", "20")
+ .add(id, "1", "basket_s", "basket1", "product_s", "product3", "price_f", "30")
+ .add(id, "2", "basket_s", "basket1", "product_s", "product5", "price_f", "1")
+ .add(id, "3", "basket_s", "basket2", "product_s", "product1", "price_f", "2")
+ .add(id, "4", "basket_s", "basket2", "product_s", "product6", "price_f", "5")
+ .add(id, "5", "basket_s", "basket2", "product_s", "product7", "price_f", "10")
+ .add(id, "6", "basket_s", "basket3", "product_s", "product4", "price_f", "20")
+ .add(id, "7", "basket_s", "basket3", "product_s", "product3", "price_f", "10")
+ .add(id, "8", "basket_s", "basket3", "product_s", "product1", "price_f", "10")
+ .add(id, "9", "basket_s", "basket4", "product_s", "product4", "price_f", "40")
+ .add(id, "10", "basket_s", "basket4", "product_s", "product3", "price_f", "10")
+ .add(id, "11", "basket_s", "basket4", "product_s", "product1", "price_f", "10")
+ .add(id, "12", "basket_s", "basket5", "product_s", "product1", "price_f", "10")
+ .add(id, "13", "basket_s", "basket6", "product_s", "product1", "price_f", "10")
+ .add(id, "14", "basket_s", "basket7", "product_s", "product1", "price_f", "10")
+ .add(id, "15", "basket_s", "basket4", "product_s", "product1", "price_f", "10")
+ .commit(cluster.getSolrClient(), COLLECTION);
+
+ List<Tuple> tuples = null;
+ Set<String> paths = null;
+ TupleStream stream = null;
+ StreamContext context = new StreamContext();
+ SolrClientCache cache = new SolrClientCache();
+ context.setSolrClientCache(cache);
+
+ StreamFactory factory = new StreamFactory()
+ .withCollectionZkHost("collection1", cluster.getZkServer().getZkAddress())
+ .withDefaultZkHost(cluster.getZkServer().getZkAddress())
+ .withFunctionName("gatherNodes", GatherNodesStream.class)
+ .withFunctionName("scoreNodes", ScoreNodesStream.class)
+ .withFunctionName("search", CloudSolrStream.class)
+ .withFunctionName("sort", SortStream.class)
+ .withFunctionName("count", CountMetric.class)
+ .withFunctionName("avg", MeanMetric.class)
+ .withFunctionName("sum", SumMetric.class)
+ .withFunctionName("min", MinMetric.class)
+ .withFunctionName("max", MaxMetric.class);
+
+ String expr = "gatherNodes(collection1, " +
+ "walk=\"product3->product_s\"," +
+ "gather=\"basket_s\")";
+
+
+ String expr2 = "sort(by=\"nodeScore desc\", " +
+ "scoreNodes(gatherNodes(collection1, " +
+ expr+","+
+ "walk=\"node->basket_s\"," +
+ "gather=\"product_s\", " +
+ "count(*), " +
+ "avg(price_f), " +
+ "sum(price_f), " +
+ "min(price_f), " +
+ "max(price_f))))";
+
+ stream = factory.constructStream(expr2);
+
+ context = new StreamContext();
+ context.setSolrClientCache(cache);
+
+ stream.setStreamContext(context);
+
+ tuples = getTuples(stream);
+
+ Tuple tuple0 = tuples.get(0);
+ assert(tuple0.getString("node").equals("product4"));
+ assert(tuple0.getLong("docFreq") == 2);
+ assert(tuple0.getLong("count(*)") == 2);
+
+ Tuple tuple1 = tuples.get(1);
+ assert(tuple1.getString("node").equals("product1"));
+ assert(tuple1.getLong("docFreq") == 8);
+ assert(tuple1.getLong("count(*)") == 3);
+
+ Tuple tuple2 = tuples.get(2);
+ assert(tuple2.getString("node").equals("product5"));
+ assert(tuple2.getLong("docFreq") == 1);
+ assert(tuple2.getLong("count(*)") == 1);
+
+ cache.close();
+ }
+
+
@Test
public void testGatherNodesFriendsStream() throws Exception {
@@ -707,6 +797,11 @@ public class GraphExpressionTest extends SolrCloudTestCase {
client.close();
}
+
+
+
+
+
private String readString(InputStreamReader reader) throws Exception{
StringBuilder builder = new StringBuilder();
int c = 0;