org.apache.solr.handler.BinaryUpdateRequestHandler Maven / Gradle / Ivy
/**
* 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;
import org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec;
import org.apache.solr.client.solrj.request.UpdateRequest;
import org.apache.solr.common.SolrException;
import org.apache.solr.common.SolrInputDocument;
import org.apache.solr.common.params.SolrParams;
import org.apache.solr.common.params.UpdateParams;
import org.apache.solr.common.util.ContentStream;
import static org.apache.solr.handler.XmlUpdateRequestHandler.COMMIT_WITHIN;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.request.SolrQueryResponse;
import org.apache.solr.update.AddUpdateCommand;
import org.apache.solr.update.DeleteUpdateCommand;
import org.apache.solr.update.processor.UpdateRequestProcessor;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
/**
* Update handler which uses the JavaBin format
*
* @version $Id: BinaryUpdateRequestHandler.java 954340 2010-06-14 01:23:34Z hossman $
* @see org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec
* @see org.apache.solr.common.util.JavaBinCodec
* @since solr 1.4
*/
public class BinaryUpdateRequestHandler extends ContentStreamHandlerBase {
protected ContentStreamLoader newLoader(SolrQueryRequest req, final UpdateRequestProcessor processor) {
return new ContentStreamLoader() {
public void load(SolrQueryRequest req, SolrQueryResponse rsp, ContentStream stream) throws Exception {
InputStream is = null;
try {
is = stream.getStream();
parseAndLoadDocs(req, rsp, is, processor);
} finally {
if(is != null) {
is.close();
}
}
}
};
}
private void parseAndLoadDocs(SolrQueryRequest req, SolrQueryResponse rsp, InputStream stream,
final UpdateRequestProcessor processor) throws IOException {
UpdateRequest update = null;
update = new JavaBinUpdateRequestCodec().unmarshal(stream,
new JavaBinUpdateRequestCodec.StreamingDocumentHandler() {
private AddUpdateCommand addCmd = null;
public void document(SolrInputDocument document, UpdateRequest updateRequest) {
if (addCmd == null) {
addCmd = getAddCommand(updateRequest.getParams());
}
addCmd.solrDoc = document;
try {
processor.processAdd(addCmd);
addCmd.clear();
} catch (IOException e) {
throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "ERROR adding document " + document);
}
}
});
if (update.getDeleteById() != null) {
delete(update.getDeleteById(), processor, true);
}
if (update.getDeleteQuery() != null) {
delete(update.getDeleteQuery(), processor, false);
}
}
private AddUpdateCommand getAddCommand(SolrParams params) {
AddUpdateCommand addCmd = new AddUpdateCommand();
boolean overwrite = true; // the default
Boolean overwritePending = null;
Boolean overwriteCommitted = null;
overwrite = params.getBool(UpdateParams.OVERWRITE, overwrite);
addCmd.commitWithin = params.getInt(COMMIT_WITHIN, -1);
// check if these flags are set
if (overwritePending != null && overwriteCommitted != null) {
if (overwritePending != overwriteCommitted) {
throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
"can't have different values for 'overwritePending' and 'overwriteCommitted'");
}
overwrite = overwritePending;
}
addCmd.overwriteCommitted = overwrite;
addCmd.overwritePending = overwrite;
addCmd.allowDups = !overwrite;
return addCmd;
}
private void delete(List l, UpdateRequestProcessor processor, boolean isId) throws IOException {
for (String s : l) {
DeleteUpdateCommand delcmd = new DeleteUpdateCommand();
if (isId) {
delcmd.id = s;
} else {
delcmd.query = s;
}
delcmd.fromCommitted = true;
delcmd.fromPending = true;
processor.processDelete(delcmd);
}
}
public String getDescription() {
return "Add/Update multiple documents with javabin format";
}
public String getSourceId() {
return "$Id: BinaryUpdateRequestHandler.java 954340 2010-06-14 01:23:34Z hossman $";
}
public String getSource() {
return "$URL: https://svn.apache.org/repos/asf/lucene/solr/branches/branch-1.4/src/java/org/apache/solr/handler/BinaryUpdateRequestHandler.java $";
}
public String getVersion() {
return "$Revision: 954340 $";
}
}