mirror of https://github.com/apache/lucene.git
SOLR-15132: Add temporal graph query to the nodes Streaming Expression
This commit is contained in:
Joel Bernstein
parent
4b113067d8
commit
4a42ecd936
|
|
@ -18,14 +18,12 @@
|
|||
package org.apache.solr.client.solrj.io.graph;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
import java.util.HashSet;
|
||||
import java.util.Iterator;
|
||||
import java.util.List;
|
||||
import java.util.Locale;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
import java.lang.invoke.MethodHandles;
|
||||
import java.text.ParseException;
|
||||
import java.text.SimpleDateFormat;
|
||||
import java.time.Instant;
|
||||
import java.time.temporal.ChronoUnit;
|
||||
import java.util.*;
|
||||
import java.util.concurrent.Callable;
|
||||
import java.util.concurrent.ExecutorService;
|
||||
import java.util.concurrent.Future;
|
||||
|
|
@ -51,6 +49,8 @@ import org.apache.solr.client.solrj.io.stream.metrics.Metric;
|
|||
import org.apache.solr.common.params.ModifiableSolrParams;
|
||||
import org.apache.solr.common.util.ExecutorUtil;
|
||||
import org.apache.solr.common.util.SolrNamedThreadFactory;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import static org.apache.solr.common.params.CommonParams.SORT;
|
||||
|
||||
|
|
@ -75,6 +75,11 @@ public class GatherNodesStream extends TupleStream implements Expressible {
|
|||
private Traversal traversal;
|
||||
private List<Metric> metrics;
|
||||
private int maxDocFreq;
|
||||
private SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssX", Locale.ENGLISH);
|
||||
private Set<String> windowSet;
|
||||
private int window = Integer.MIN_VALUE;
|
||||
private int lag = 1;
|
||||
private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
|
||||
|
||||
public GatherNodesStream(String zkHost,
|
||||
String collection,
|
||||
|
|
@ -98,7 +103,9 @@ public class GatherNodesStream extends TupleStream implements Expressible {
|
|||
metrics,
|
||||
trackTraversal,
|
||||
scatter,
|
||||
maxDocFreq);
|
||||
maxDocFreq,
|
||||
Integer.MIN_VALUE,
|
||||
1);
|
||||
}
|
||||
|
||||
public GatherNodesStream(StreamExpression expression, StreamFactory factory) throws IOException {
|
||||
|
|
@ -196,6 +203,20 @@ public class GatherNodesStream extends TupleStream implements Expressible {
|
|||
useDefaultTraversal = true;
|
||||
}
|
||||
|
||||
StreamExpressionNamedParameter windowExpression = factory.getNamedOperand(expression, "window");
|
||||
int timeWindow = Integer.MIN_VALUE;
|
||||
|
||||
if(windowExpression != null) {
|
||||
timeWindow = Integer.parseInt(((StreamExpressionValue) windowExpression.getParameter()).getValue());
|
||||
}
|
||||
|
||||
StreamExpressionNamedParameter lagExpression = factory.getNamedOperand(expression, "lag");
|
||||
int timeLag = 1;
|
||||
|
||||
if(lagExpression != null) {
|
||||
timeLag = Integer.parseInt(((StreamExpressionValue) lagExpression.getParameter()).getValue());
|
||||
}
|
||||
|
||||
StreamExpressionNamedParameter docFreqExpression = factory.getNamedOperand(expression, "maxDocFreq");
|
||||
int docFreq = -1;
|
||||
|
||||
|
|
@ -210,7 +231,10 @@ public class GatherNodesStream extends TupleStream implements Expressible {
|
|||
!namedParam.getName().equals("walk") &&
|
||||
!namedParam.getName().equals("scatter") &&
|
||||
!namedParam.getName().equals("maxDocFreq") &&
|
||||
!namedParam.getName().equals("trackTraversal"))
|
||||
!namedParam.getName().equals("trackTraversal") &&
|
||||
!namedParam.getName().equals("window") &&
|
||||
!namedParam.getName().equals("lag")
|
||||
)
|
||||
{
|
||||
params.put(namedParam.getName(), namedParam.getParameter().toString().trim());
|
||||
}
|
||||
|
|
@ -242,7 +266,9 @@ public class GatherNodesStream extends TupleStream implements Expressible {
|
|||
metrics,
|
||||
trackTraversal,
|
||||
scatter,
|
||||
docFreq);
|
||||
docFreq,
|
||||
timeWindow,
|
||||
timeLag);
|
||||
}
|
||||
|
||||
@SuppressWarnings({"unchecked"})
|
||||
|
|
@ -256,7 +282,9 @@ public class GatherNodesStream extends TupleStream implements Expressible {
|
|||
List<Metric> metrics,
|
||||
boolean trackTraversal,
|
||||
Set<Traversal.Scatter> scatter,
|
||||
int maxDocFreq) {
|
||||
int maxDocFreq,
|
||||
int window,
|
||||
int lag) {
|
||||
this.zkHost = zkHost;
|
||||
this.collection = collection;
|
||||
this.tupleStream = tupleStream;
|
||||
|
|
@ -268,6 +296,13 @@ public class GatherNodesStream extends TupleStream implements Expressible {
|
|||
this.trackTraversal = trackTraversal;
|
||||
this.scatter = scatter;
|
||||
this.maxDocFreq = maxDocFreq;
|
||||
this.window = window;
|
||||
|
||||
if(window > Integer.MIN_VALUE) {
|
||||
windowSet = new HashSet<>();
|
||||
}
|
||||
|
||||
this.lag = lag;
|
||||
}
|
||||
|
||||
@Override
|
||||
|
|
@ -506,6 +541,26 @@ public class GatherNodesStream extends TupleStream implements Expressible {
|
|||
}
|
||||
|
||||
|
||||
private String[] getTenSecondWindow(int size, int lag, String start) {
|
||||
try {
|
||||
String[] window = new String[size];
|
||||
Date date = this.dateFormat.parse(start);
|
||||
Instant instant = date.toInstant();
|
||||
|
||||
for (int i = 0; i < size; i++) {
|
||||
Instant windowInstant = instant.minus(10 * (i + lag), ChronoUnit.SECONDS);
|
||||
String windowString = windowInstant.toString();
|
||||
windowString = windowString.substring(0, 18) + "0Z";
|
||||
window[i] = windowString;
|
||||
}
|
||||
|
||||
return window;
|
||||
} catch(ParseException e) {
|
||||
log.warn("Unparseable date:{}", String.valueOf(start));
|
||||
return new String[0];
|
||||
}
|
||||
}
|
||||
|
||||
public void close() throws IOException {
|
||||
tupleStream.close();
|
||||
}
|
||||
|
|
@ -558,8 +613,33 @@ public class GatherNodesStream extends TupleStream implements Expressible {
|
|||
}
|
||||
}
|
||||
|
||||
if(windowSet == null || (lag == 1 && !windowSet.contains(String.valueOf(value)))) {
|
||||
joinBatch.add(value);
|
||||
if (joinBatch.size() == 400) {
|
||||
}
|
||||
|
||||
if(window > Integer.MIN_VALUE && value != null) {
|
||||
windowSet.add(value);
|
||||
|
||||
/*
|
||||
* A time window has been set.
|
||||
* The join value is expected to be an ISO formatted time stamp.
|
||||
* We derive the window and add it to the join values below.
|
||||
*/
|
||||
|
||||
String[] timeWindow = getTenSecondWindow(window, lag, value);
|
||||
for(String windowString : timeWindow) {
|
||||
if(!windowSet.contains(windowString)) {
|
||||
/*
|
||||
* Time windows can overlap, so make sure we don't query for the same timestamp more then once.
|
||||
* This would cause duplicate results if overlapping windows are collected in different threads.
|
||||
*/
|
||||
joinBatch.add(windowString);
|
||||
}
|
||||
windowSet.add(windowString);
|
||||
}
|
||||
}
|
||||
|
||||
if (joinBatch.size() >= 400) {
|
||||
JoinRunner joinRunner = new JoinRunner(joinBatch);
|
||||
@SuppressWarnings({"rawtypes"})
|
||||
Future future = threadPool.submit(joinRunner);
|
||||
|
|
|
|||
|
|
@ -30,7 +30,7 @@ public class Node {
|
|||
public Node(String id, boolean track) {
|
||||
this.id=id;
|
||||
if(track) {
|
||||
ancestors = new HashSet<>();
|
||||
ancestors = new TreeSet<>();
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -39,13 +39,7 @@ import org.apache.solr.client.solrj.io.SolrClientCache;
|
|||
import org.apache.solr.client.solrj.io.Tuple;
|
||||
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.FacetStream;
|
||||
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.*;
|
||||
import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
|
||||
import org.apache.solr.client.solrj.io.stream.metrics.CountMetric;
|
||||
import org.apache.solr.client.solrj.io.stream.metrics.MaxMetric;
|
||||
|
|
@ -250,18 +244,18 @@ public class GraphExpressionTest extends SolrCloudTestCase {
|
|||
public void testGatherNodesStream() 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, "0", "basket_s", "basket1", "product_s", "product1", "price_f", "20", "time_ten_seconds_s", "2020-09-24T18:23:50Z")
|
||||
.add(id, "1", "basket_s", "basket1", "product_s", "product3", "price_f", "30", "time_ten_seconds_s", "2020-09-24T18:23:40Z")
|
||||
.add(id, "2", "basket_s", "basket1", "product_s", "product5", "price_f", "1", "time_ten_seconds_s", "2020-09-24T18:23:30Z")
|
||||
.add(id, "3", "basket_s", "basket2", "product_s", "product1", "price_f", "2", "time_ten_seconds_s", "2020-09-24T18:23:20Z")
|
||||
.add(id, "4", "basket_s", "basket2", "product_s", "product6", "price_f", "5", "time_ten_seconds_s", "2020-09-24T18:23:10Z")
|
||||
.add(id, "5", "basket_s", "basket2", "product_s", "product7", "price_f", "10", "time_ten_seconds_s", "2020-09-24T18:23:00Z")
|
||||
.add(id, "6", "basket_s", "basket3", "product_s", "product4", "price_f", "20", "time_ten_seconds_s", "2020-09-24T18:22:50Z")
|
||||
.add(id, "7", "basket_s", "basket3", "product_s", "product3", "price_f", "10", "time_ten_seconds_s", "2020-09-24T18:22:40Z")
|
||||
.add(id, "8", "basket_s", "basket3", "product_s", "product1", "price_f", "10", "time_ten_seconds_s", "2020-09-24T18:22:30Z")
|
||||
.add(id, "9", "basket_s", "basket4", "product_s", "product4", "price_f", "40", "time_ten_seconds_s", "2020-09-24T18:22:20Z")
|
||||
.add(id, "10", "basket_s", "basket4", "product_s", "product3", "price_f", "10", "time_ten_seconds_s", "2020-09-24T18:22:10Z")
|
||||
.add(id, "11", "basket_s", "basket4", "product_s", "product1", "price_f", "10", "time_ten_seconds_s", "2020-09-24T18:22:00Z")
|
||||
.commit(cluster.getSolrClient(), COLLECTION);
|
||||
|
||||
List<Tuple> tuples = null;
|
||||
|
|
@ -276,10 +270,12 @@ public class GraphExpressionTest extends SolrCloudTestCase {
|
|||
.withFunctionName("gatherNodes", GatherNodesStream.class)
|
||||
.withFunctionName("nodes", GatherNodesStream.class)
|
||||
.withFunctionName("search", CloudSolrStream.class)
|
||||
.withFunctionName("random", RandomStream.class)
|
||||
.withFunctionName("count", CountMetric.class)
|
||||
.withFunctionName("avg", MeanMetric.class)
|
||||
.withFunctionName("sum", SumMetric.class)
|
||||
.withFunctionName("min", MinMetric.class)
|
||||
.withFunctionName("sort", SortStream.class)
|
||||
.withFunctionName("max", MaxMetric.class);
|
||||
|
||||
String expr = "nodes(collection1, " +
|
||||
|
|
@ -293,6 +289,7 @@ public class GraphExpressionTest extends SolrCloudTestCase {
|
|||
|
||||
Collections.sort(tuples, new FieldComparator("node", ComparatorOrder.ASCENDING));
|
||||
assertTrue(tuples.size() == 4);
|
||||
|
||||
assertTrue(tuples.get(0).getString("node").equals("basket1"));
|
||||
assertTrue(tuples.get(1).getString("node").equals("basket2"));
|
||||
assertTrue(tuples.get(2).getString("node").equals("basket3"));
|
||||
|
|
@ -388,8 +385,43 @@ public class GraphExpressionTest extends SolrCloudTestCase {
|
|||
assertTrue(tuples.get(0).getString("node").equals("basket2"));
|
||||
assertTrue(tuples.get(1).getString("node").equals("basket3"));
|
||||
|
||||
cache.close();
|
||||
|
||||
//Test the window without lag
|
||||
|
||||
expr = "nodes(collection1, random(collection1, q=\"id:(1 2)\", fl=\"time_ten_seconds_s\"), walk=\"time_ten_seconds_s->time_ten_seconds_s\", gather=\"id\", window=\"3\")";
|
||||
|
||||
stream = (GatherNodesStream)factory.constructStream(expr);
|
||||
|
||||
context = new StreamContext();
|
||||
context.setSolrClientCache(cache);
|
||||
stream.setStreamContext(context);
|
||||
tuples = getTuples(stream);
|
||||
|
||||
Collections.sort(tuples, new FieldComparator("node", ComparatorOrder.ASCENDING));
|
||||
assertTrue(tuples.size() == 5);
|
||||
assertTrue(tuples.get(0).getString("node").equals("1"));
|
||||
assertTrue(tuples.get(1).getString("node").equals("2"));
|
||||
assertTrue(tuples.get(2).getString("node").equals("3"));
|
||||
assertTrue(tuples.get(3).getString("node").equals("4"));
|
||||
assertTrue(tuples.get(4).getString("node").equals("5"));
|
||||
|
||||
|
||||
//Test window with lag
|
||||
|
||||
expr = "nodes(collection1, random(collection1, q=\"id:(1)\", fl=\"time_ten_seconds_s\"), walk=\"time_ten_seconds_s->time_ten_seconds_s\", gather=\"id\", window=\"2\", lag=\"2\")";
|
||||
|
||||
stream = (GatherNodesStream)factory.constructStream(expr);
|
||||
|
||||
context = new StreamContext();
|
||||
context.setSolrClientCache(cache);
|
||||
stream.setStreamContext(context);
|
||||
tuples = getTuples(stream);
|
||||
|
||||
Collections.sort(tuples, new FieldComparator("node", ComparatorOrder.ASCENDING));
|
||||
assertTrue(tuples.size() == 2);
|
||||
assertTrue(tuples.get(0).getString("node").equals("3"));
|
||||
assertTrue(tuples.get(1).getString("node").equals("4"));
|
||||
cache.close();
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue