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Subject [GitHub] nickwallen commented on a change in pull request #1254: METRON-1849 Elasticsearch Index Write Functionality Should be Shared
Date Tue, 11 Dec 2018 13:23:50 GMT
nickwallen commented on a change in pull request #1254: METRON-1849 Elasticsearch Index Write
Functionality Should be Shared
URL: https://github.com/apache/metron/pull/1254#discussion_r240607285
 
 

 ##########
 File path: metron-platform/metron-elasticsearch/src/main/java/org/apache/metron/elasticsearch/bulk/BulkDocumentWriter.java
 ##########
 @@ -0,0 +1,45 @@
+/**
+ * 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.metron.elasticsearch.bulk;
+
+import org.apache.metron.indexing.dao.update.Document;
+
+/**
+ * Writes documents to an index in bulk.
+ *
+ * @param <D> The type of document to write.
+ */
+public interface BulkDocumentWriter<D extends Document> {
+
+    /**
+     * Add a document to the batch.
+     * @param document The document to write.
+     * @param index The name of the index to write to.
+     */
+    void addDocument(D document, String index);
+
+    /**
+     * @return The number of documents waiting to be written.
+     */
+    int size();
+
+    /**
+     * Write all documents in the batch.
+     */
+    BulkDocumentWriterResults write();
 
 Review comment:
   Good catch. Fixed.

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