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ASF GitHub Bot commented on DRILL-5956: --------------------------------------- paul-rogers commented on pull request #1888: DRILL-5956: Add Storage Plugin for Apache Druid URL: https://github.com/apache/drill/pull/1888#discussion_r392563794 ########## File path: contrib/storage-druid/src/main/java/org/apache/drill/exec/store/druid/common/DruidAndFilter.java ########## @@ -0,0 +1,61 @@ +/* + * 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.drill.exec.store.druid.common; + +import com.fasterxml.jackson.annotation.JsonProperty; +import org.apache.commons.lang3.StringUtils; + +import java.util.ArrayList; +import java.util.List; + +public class DruidAndFilter extends DruidFilterBase { + + private String type = DruidCompareOp.AND.getCompareOp(); + private List<String> fields = new ArrayList<>(); + + public DruidAndFilter(@JsonProperty("fields") List<String> fields) { + this.fields = fields; + } + + public String getType() { + return type; + } + + public void setType(String type) { + this.type = type; + } Review comment: For "data classes" such as this, it is often handy to make them immutable: fields are `final` and the two values are passed into the constructor. Or, since this one seems to always use that one Druid function, just do: ``` public String getType() { return DruidCompareOp.AND.getCompareOp(); } ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org > Add Storage Plugin for Apache Druid > ----------------------------------- > > Key: DRILL-5956 > URL: https://issues.apache.org/jira/browse/DRILL-5956 > Project: Apache Drill > Issue Type: Wish > Components: Storage - Other > Reporter: Jiaqi Liu > Priority: Major > Labels: Enhancement, Storage-Plugin > Fix For: 1.18.0 > > > As more and more companies are using Druid for mission-critical industrial > products, Drill could gain much more popularity with Druid as one of its > supported storage plugin so that uses could easily bind Druid cluster to > running Drill instance -- This message was sent by Atlassian Jira (v8.3.4#803005)