--- /dev/null
+package org.apache.lucene.benchmark.byTask.tasks;
+
+/**
+ * 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 org.apache.lucene.benchmark.byTask.PerfRunData;
+import org.apache.lucene.benchmark.byTask.feeds.DocMaker;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.index.IndexWriter;
+
+/**
+ * Update a document, using IndexWriter.updateDocument,
+ * optionally with of a certain size.
+ * <br>Other side effects: none.
+ * <br>Takes optional param: document size.
+ */
+public class UpdateDocTask extends PerfTask {
+
+ public UpdateDocTask(PerfRunData runData) {
+ super(runData);
+ }
+
+ private int docSize = 0;
+
+ // volatile data passed between setup(), doLogic(), tearDown().
+ private Document doc = null;
+
+ @Override
+ public void setup() throws Exception {
+ super.setup();
+ DocMaker docMaker = getRunData().getDocMaker();
+ if (docSize > 0) {
+ doc = docMaker.makeDocument(docSize);
+ } else {
+ doc = docMaker.makeDocument();
+ }
+ }
+
+ @Override
+ public void tearDown() throws Exception {
+ doc = null;
+ super.tearDown();
+ }
+
+ @Override
+ public int doLogic() throws Exception {
+ final String docID = doc.get(DocMaker.ID_FIELD);
+ if (docID == null) {
+ throw new IllegalStateException("document must define the docid field");
+ }
+ final IndexWriter iw = getRunData().getIndexWriter();
+ iw.updateDocument(new Term(DocMaker.ID_FIELD, docID), doc);
+ return 1;
+ }
+
+ @Override
+ protected String getLogMessage(int recsCount) {
+ return "updated " + recsCount + " docs";
+ }
+
+ /**
+ * Set the params (docSize only)
+ * @param params docSize, or 0 for no limit.
+ */
+ @Override
+ public void setParams(String params) {
+ super.setParams(params);
+ docSize = (int) Float.parseFloat(params);
+ }
+
+ /* (non-Javadoc)
+ * @see org.apache.lucene.benchmark.byTask.tasks.PerfTask#supportsParams()
+ */
+ @Override
+ public boolean supportsParams() {
+ return true;
+ }
+
+}