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https://issues.apache.org/jira/browse/GORA-664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17344706#comment-17344706
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ASF GitHub Bot commented on GORA-664:
-------------------------------------
kamaci commented on a change in pull request #234:
URL: https://github.com/apache/gora/pull/234#discussion_r632653393
##########
File path:
gora-elasticsearch/src/main/java/org/apache/gora/elasticsearch/store/ElasticsearchStoreMetadataAnalyzer.java
##########
@@ -0,0 +1,95 @@
+/*
+ * 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.gora.elasticsearch.store;
+
+import org.apache.gora.elasticsearch.utils.ElasticsearchParameters;
+import org.apache.gora.store.impl.DataStoreMetadataAnalyzer;
+import org.apache.gora.util.GoraException;
+import org.elasticsearch.client.RequestOptions;
+import org.elasticsearch.client.RestHighLevelClient;
+import org.elasticsearch.client.indices.GetIndexRequest;
+import org.elasticsearch.client.indices.GetIndexResponse;
+import org.elasticsearch.cluster.metadata.MappingMetadata;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+
+public class ElasticsearchStoreMetadataAnalyzer extends
DataStoreMetadataAnalyzer {
+
+ private RestHighLevelClient elasticsearchClient;
+
+ @Override
+ public void initialize() throws GoraException {
+ ElasticsearchParameters parameters =
ElasticsearchParameters.load(properties, getConf());
+ elasticsearchClient = ElasticsearchStore.createClient(parameters);
+ }
+
+ @Override
+ public String getType() {
+ return "ELASTICSEARCH";
+ }
+
+ @Override
+ public List<String> getTablesNames() throws GoraException {
+ GetIndexRequest request = new GetIndexRequest("*");
+ GetIndexResponse response;
+ try {
+ response = elasticsearchClient.indices().get(request,
RequestOptions.DEFAULT);
+ } catch (IOException ex) {
+ throw new GoraException(ex);
+ }
+ assert response != null;
Review comment:
Consider logging and throwing an error without using assert.
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us...@infra.apache.org
> Add datastore for Elasticsearch
> -------------------------------
>
> Key: GORA-664
> URL: https://issues.apache.org/jira/browse/GORA-664
> Project: Apache Gora
> Issue Type: New Feature
> Reporter: Carlos Muñoz
> Assignee: Mariia Podorvanova
> Priority: Major
> Labels: outreachy2020
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Elasticsearch is a Lucene-based search engine that primarily focuses on
> distribution and availability. It could be a good alternative for the
> gora-solr module.
>
> [https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html]
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