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SOLR-807 -- BinaryResponseWriter writes fieldType.toExternal if it is not a supported type, otherwise it writes fieldType.toObject. This fixes the bug with encoding/decoding UUIDField. 

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@726502 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Shalin Shekhar Mangar 2008-12-14 17:37:36 +00:00
parent 25c1d17448
commit de702ae19a
4 changed files with 130 additions and 35 deletions
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4
CHANGES.txt
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@ -164,6 +164,10 @@ Bug Fixes
16. SOLR-901: FastOutputStream ignores write(byte[]) call. (Noble Paul via shalin)
17. SOLR-807: BinaryResponseWriter writes fieldType.toExternal if it is not a supported type,
otherwise it writes fieldType.toObject. This fixes the bug with encoding/decoding UUIDField.
(koji, Noble Paul, shalin)
Other Changes
----------------------

84
src/java/org/apache/solr/request/BinaryResponseWriter.java
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@ -16,38 +16,34 @@
*/
package org.apache.solr.request;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Fieldable;
import org.apache.solr.common.SolrDocument;
import org.apache.solr.common.params.CommonParams;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.common.util.NamedListCodec;
import org.apache.solr.schema.FieldType;
import org.apache.solr.schema.IndexSchema;
import org.apache.solr.schema.*;
import org.apache.solr.search.DocIterator;
import org.apache.solr.search.DocList;
import org.apache.solr.search.SolrIndexSearcher;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class BinaryResponseWriter implements BinaryQueryResponseWriter {
private static final Logger LOG = LoggerFactory.getLogger(BinaryResponseWriter.class);
private static final Set<Class> KNOWN_TYPES = new HashSet<Class>();
public void write(OutputStream out, SolrQueryRequest req, SolrQueryResponse response) throws IOException {
Resolver resolver = new Resolver(req, response.getReturnFields());
Boolean omitHeader = req.getParams().getBool(CommonParams.OMIT_HEADER);
if(omitHeader != null && omitHeader) response.getValues().remove("responseHeader");
if (omitHeader != null && omitHeader) response.getValues().remove("responseHeader");
NamedListCodec codec = new NamedListCodec(resolver);
codec.marshal(response.getValues(), out);
}
@ -77,10 +73,10 @@ public class BinaryResponseWriter implements BinaryQueryResponseWriter {
public Resolver(SolrQueryRequest req, Set<String> returnFields) {
this.schema = req.getSchema();
this.searcher = req.getSearcher();
this.includeScore = returnFields!=null && returnFields.contains("score");
this.includeScore = returnFields != null && returnFields.contains("score");
if (returnFields != null) {
if (returnFields.size() == 0 || (returnFields.size() == 1 && includeScore) || returnFields.contains("*")) {
if (returnFields.size() == 0 || (returnFields.size() == 1 && includeScore) || returnFields.contains("*")) {
returnFields = null; // null means return all stored fields
}
}
@ -94,7 +90,7 @@ public class BinaryResponseWriter implements BinaryQueryResponseWriter {
}
if (o instanceof SolrDocument) {
SolrDocument solrDocument = (SolrDocument) o;
codec.writeSolrDocument(solrDocument,returnFields);
codec.writeSolrDocument(solrDocument, returnFields);
return null;
}
if (o instanceof Document) {
@ -107,8 +103,8 @@ public class BinaryResponseWriter implements BinaryQueryResponseWriter {
public void writeDocList(DocList ids, NamedListCodec codec) throws IOException {
codec.writeTag(NamedListCodec.SOLRDOCLST);
List l = new ArrayList(3);
l.add((long)ids.matches());
l.add((long)ids.offset());
l.add((long) ids.matches());
l.add((long) ids.offset());
Float maxScore = null;
if (includeScore && ids.hasScores()) {
maxScore = ids.maxScore();
@ -137,21 +133,25 @@ public class BinaryResponseWriter implements BinaryQueryResponseWriter {
public SolrDocument getDoc(Document doc) {
SolrDocument solrDoc = new SolrDocument();
for (Fieldable f : (List<Fieldable>)doc.getFields()) {
for (Fieldable f : (List<Fieldable>) doc.getFields()) {
String fieldName = f.name();
if (returnFields!=null && !returnFields.contains(fieldName)) continue;
if (returnFields != null && !returnFields.contains(fieldName)) continue;
FieldType ft = schema.getFieldTypeNoEx(fieldName);
Object val;
if (ft==null) { // handle fields not in the schema
if (ft == null) { // handle fields not in the schema
if (f.isBinary()) val = f.binaryValue();
else val = f.stringValue();
} else {
try {
val = useFieldObjects ? ft.toObject(f) : ft.toExternal(f);
if (useFieldObjects && KNOWN_TYPES.contains(ft.getClass())) {
val = ft.toObject(f);
} else {
val = ft.toExternal(f);
}
} catch (Exception e) {
// There is a chance of the underlying field not really matching the
// actual field type . So ,it can throw exception
LOG.warn("Error reading a field from document : "+solrDoc, e);
LOG.warn("Error reading a field from document : " + solrDoc, e);
//if it happens log it and continue
continue;
}
@ -169,14 +169,14 @@ public class BinaryResponseWriter implements BinaryQueryResponseWriter {
*
* @param req
* @param rsp
* @return a response object equivalent to what you get from the XML/JSON/javabin parser. Documents
* become SolrDocuments, DocList becomes SolrDocumentList etc.
*
* @return a response object equivalent to what you get from the XML/JSON/javabin parser. Documents become
* SolrDocuments, DocList becomes SolrDocumentList etc.
*
* @since solr 1.4
*/
@SuppressWarnings("unchecked")
public static NamedList<Object> getParsedResponse( SolrQueryRequest req, SolrQueryResponse rsp )
{
public static NamedList<Object> getParsedResponse(SolrQueryRequest req, SolrQueryResponse rsp) {
try {
Resolver resolver = new Resolver(req, rsp.getReturnFields());
@ -184,11 +184,33 @@ public class BinaryResponseWriter implements BinaryQueryResponseWriter {
NamedListCodec codec = new NamedListCodec(resolver);
codec.marshal(rsp.getValues(), out);
InputStream in = new ByteArrayInputStream( out.toByteArray() );
return codec.unmarshal( in );
InputStream in = new ByteArrayInputStream(out.toByteArray());
return codec.unmarshal(in);
}
catch( Exception ex ) {
throw new RuntimeException( ex );
catch (Exception ex) {
throw new RuntimeException(ex);
}
}
static {
KNOWN_TYPES.add(BoolField.class);
KNOWN_TYPES.add(BCDIntField.class);
KNOWN_TYPES.add(BCDLongField.class);
KNOWN_TYPES.add(BCDStrField.class);
KNOWN_TYPES.add(ByteField.class);
KNOWN_TYPES.add(DateField.class);
KNOWN_TYPES.add(DoubleField.class);
KNOWN_TYPES.add(FloatField.class);
KNOWN_TYPES.add(ShortField.class);
KNOWN_TYPES.add(IntField.class);
KNOWN_TYPES.add(LongField.class);
KNOWN_TYPES.add(SortableLongField.class);
KNOWN_TYPES.add(SortableIntField.class);
KNOWN_TYPES.add(SortableFloatField.class);
KNOWN_TYPES.add(SortableDoubleField.class);
KNOWN_TYPES.add(StrField.class);
KNOWN_TYPES.add(TextField.class);
// We do not add UUIDField because UUID object is not a supported type in NamedListCodec
// and if we write UUIDField.toObject, we wouldn't know how to handle it in the client side
}
}

66
src/test/org/apache/solr/request/TestBinaryResponseWriter.java Normal file
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@ -0,0 +1,66 @@
/**
* 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.request;
import org.apache.solr.common.SolrDocument;
import org.apache.solr.common.SolrDocumentList;
import org.apache.solr.common.params.CommonParams;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.common.util.NamedListCodec;
import org.apache.solr.util.AbstractSolrTestCase;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.UUID;
/**
* Test for BinaryResponseWriter
*
* @version $Id$
* @since solr 1.4
*/
public class TestBinaryResponseWriter extends AbstractSolrTestCase {
public String getSchemaFile() {
return "schema.xml";
}
public String getSolrConfigFile() {
return "solrconfig.xml";
}
/**
* Tests known types implementation by asserting correct encoding/decoding of UUIDField
*/
public void testUUID() throws Exception {
String s = UUID.randomUUID().toString().toLowerCase();
assertU(adoc("id", "101", "uuid", s));
assertU(commit());
LocalSolrQueryRequest req = lrf.makeRequest("q", "*:*");
SolrQueryResponse rsp = h.queryAndResponse(req.getParams().get(CommonParams.QT), req);
BinaryQueryResponseWriter writer = (BinaryQueryResponseWriter) h.getCore().getQueryResponseWriter("javabin");
ByteArrayOutputStream baos = new ByteArrayOutputStream();
writer.write(baos, req, rsp);
NamedList res = new NamedListCodec().unmarshal(new ByteArrayInputStream(baos.toByteArray()));
SolrDocumentList docs = (SolrDocumentList) res.get("response");
for (Object doc : docs) {
SolrDocument document = (SolrDocument) doc;
assertEquals("Returned object must be a string", "java.lang.String", document.getFieldValue("uuid").getClass().getName());
assertEquals("Wrong UUID string returned", s, document.getFieldValue("uuid"));
}
}
}

3
src/test/test-files/solr/conf/schema.xml
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@ -311,11 +311,14 @@
</analyzer>
</fieldtype>
<fieldType name="uuid" class="solr.UUIDField" />
</types>
<fields>
<field name="id" type="integer" indexed="true" stored="true" multiValued="false" required="false"/>
<field name="uuid" type="uuid" stored="true" />
<field name="name" type="nametext" indexed="true" stored="true"/>
<field name="text" type="text" indexed="true" stored="false"/>
<field name="subject" type="text" indexed="true" stored="true"/>