Github user jhorcicka commented on a diff in the pull request: https://github.com/apache/metamodel/pull/179#discussion_r191153847 --- Diff: neo4j/src/main/java/org/apache/metamodel/neo4j/utils/ColumnTypeResolver.java --- @@ -0,0 +1,126 @@ +/** + * 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.metamodel.neo4j.utils; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Iterator; +import java.util.List; + +import org.apache.metamodel.schema.ColumnType; +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class ColumnTypeResolver { + private static final Logger logger = LoggerFactory.getLogger(ColumnTypeResolver.class); + private final JSONObject _jsonObject; + private final List<String> _columnNames = new ArrayList<>(); + private final List<ColumnType> _columnTypes = new ArrayList<>(); + + public ColumnTypeResolver(final JSONObject jsonObject, final String[] columnNamesArray) { --- End diff -- I have two reasons for that. 1) Already existing interfaces (methods, constructors) work with arrays instead of lists; for both, column names and column types. I think it's easier to understand the code when I use both of these "collections" in the same format/type (both arrays or both lists). 2) If I change it for ColumnTypeResolver, I get another confusing situation 2 lines below: ![02](https://user-images.githubusercontent.com/13213915/40606992-6ece3746-6267-11e8-96e5-20b73776926a.png) Both of these highlighted variables contain the same value, just different data type. That would be confusing for me.
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