/**
* 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.
*/
package org.apache.solr.handler.component;
import static org.apache.solr.common.params.CommonParams.FQ;
import java.io.IOException;
import java.net.URL;
import java.util.*;
import org.apache.lucene.search.Query;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.common.util.SimpleOrderedMap;
import org.apache.solr.search.QueryParsing;
import org.apache.solr.util.SolrPluginUtils;
/**
* Adds debugging information to a request.
*
* @version $Id: DebugComponent.java 1065312 2011-01-30 16:08:25Z rmuir $
* @since solr 1.3
*/
public class DebugComponent extends SearchComponent
{
public static final String COMPONENT_NAME = "debug";
@Override
public void prepare(ResponseBuilder rb) throws IOException
{
}
@SuppressWarnings("unchecked")
@Override
public void process(ResponseBuilder rb) throws IOException
{
if( rb.isDebug() ) {
NamedList stdinfo = SolrPluginUtils.doStandardDebug( rb.req,
rb.getQueryString(), rb.getQuery(), rb.getResults().docList);
NamedList info = rb.getDebugInfo();
if( info == null ) {
rb.setDebugInfo( stdinfo );
info = stdinfo;
}
else {
info.addAll( stdinfo );
}
if (rb.getQparser() != null) {
rb.getQparser().addDebugInfo(rb.getDebugInfo());
}
if (null != rb.getDebugInfo() ) {
if (null != rb.getFilters() ) {
info.add("filter_queries",rb.req.getParams().getParams(FQ));
List<String> fqs = new ArrayList<String>(rb.getFilters().size());
for (Query fq : rb.getFilters()) {
fqs.add(QueryParsing.toString(fq, rb.req.getSchema()));
}
info.add("parsed_filter_queries",fqs);
}
// Add this directly here?
rb.rsp.add("debug", rb.getDebugInfo() );
}
}
}
@Override
public void modifyRequest(ResponseBuilder rb, SearchComponent who, ShardRequest sreq) {
if (!rb.isDebug()) return;
// Turn on debug to get explain only when retrieving fields
if ((sreq.purpose & ShardRequest.PURPOSE_GET_FIELDS) != 0) {
sreq.purpose |= ShardRequest.PURPOSE_GET_DEBUG;
sreq.params.set("debugQuery", "true");
} else {
sreq.params.set("debugQuery", "false");
}
}
@Override
public void handleResponses(ResponseBuilder rb, ShardRequest sreq) {
}
private Set<String> excludeSet = new HashSet<String>(Arrays.asList("explain"));
@Override
public void finishStage(ResponseBuilder rb) {
if (rb.isDebug() && rb.stage == ResponseBuilder.STAGE_GET_FIELDS) {
NamedList info = null;
NamedList explain = new SimpleOrderedMap();
Map.Entry<String, Object>[] arr = new NamedList.NamedListEntry[rb.resultIds.size()];
for (ShardRequest sreq : rb.finished) {
if ((sreq.purpose & ShardRequest.PURPOSE_GET_DEBUG) == 0) continue;
for (ShardResponse srsp : sreq.responses) {
NamedList sdebug = (NamedList)srsp.getSolrResponse().getResponse().get("debug");
info = (NamedList)merge(sdebug, info, excludeSet);
NamedList sexplain = (NamedList)sdebug.get("explain");
for (int i=0; i<sexplain.size(); i++) {
String id = sexplain.getName(i);
// TODO: lookup won't work for non-string ids... String vs Float
ShardDoc sdoc = rb.resultIds.get(id);
int idx = sdoc.positionInResponse;
arr[idx] = new NamedList.NamedListEntry<Object>( id, sexplain.getVal(i));
}
}
}
explain = HighlightComponent.removeNulls(new SimpleOrderedMap(arr));
if (info == null) {
info = new SimpleOrderedMap();
}
int idx = info.indexOf("explain",0);
if (idx>=0) {
info.setVal(idx, explain);
} else {
info.add("explain", explain);
}
rb.setDebugInfo(info);
rb.rsp.add("debug", rb.getDebugInfo() );
}
}
Object merge(Object source, Object dest, Set<String> exclude) {
if (source == null) return dest;
if (dest == null) {
if (source instanceof NamedList) {
dest = source instanceof SimpleOrderedMap ? new SimpleOrderedMap() : new NamedList();
} else {
return source;
}
} else {
if (dest instanceof Collection) {
if (source instanceof Collection) {
((Collection)dest).addAll((Collection)source);
} else {
((Collection)dest).add(source);
}
return dest;
} else if (source instanceof Number) {
if (dest instanceof Number) {
if (source instanceof Double || dest instanceof Double) {
return ((Number)source).doubleValue() + ((Number)dest).doubleValue();
}
return ((Number)source).longValue() + ((Number)dest).longValue();
}
// fall through
} else if (source instanceof String) {
if (source.equals(dest)) {
return dest;
}
// fall through
}
}
if (source instanceof NamedList && dest instanceof NamedList) {
NamedList tmp = new NamedList();
NamedList sl = (NamedList)source;
NamedList dl = (NamedList)dest;
for (int i=0; i<sl.size(); i++) {
String skey = sl.getName(i);
if (exclude != null && exclude.contains(skey)) continue;
Object sval = sl.getVal(i);
int didx = -1;
// optimize case where elements are in same position
if (i < dl.size()) {
String dkey = dl.getName(i);
if (skey == dkey || (skey!=null && skey.equals(dkey))) {
didx = i;
}
}
if (didx == -1) {
didx = dl.indexOf(skey, 0);
}
if (didx == -1) {
tmp.add(skey, merge(sval, null, null));
} else {
dl.setVal(didx, merge(sval, dl.getVal(didx), null));
}
}
dl.addAll(tmp);
return dl;
}
// merge unlike elements in a list
List t = new ArrayList();
t.add(dest);
t.add(source);
return t;
}
/////////////////////////////////////////////
/// SolrInfoMBean
////////////////////////////////////////////
@Override
public String getDescription() {
return "Debug Information";
}
@Override
public String getVersion() {
return "$Revision: 1065312 $";
}
@Override
public String getSourceId() {
return "$Id: DebugComponent.java 1065312 2011-01-30 16:08:25Z rmuir $";
}
@Override
public String getSource() {
return "$URL: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene_solr_3_5/solr/core/src/java/org/apache/solr/handler/component/DebugComponent.java $";
}
@Override
public URL[] getDocs() {
return null;
}
}