Java tutorial
/* * 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.druid.query.topn; import com.google.common.base.Preconditions; import com.google.common.collect.Lists; import com.google.common.collect.Maps; import org.apache.druid.java.util.common.DateTimes; import org.apache.druid.query.Result; import java.util.List; import java.util.Map; /** */ public class TopNQueryRunnerTestHelper { public static Result<TopNResultValue> createExpectedRows(String date, String[] columnNames, Iterable<Object[]> values) { List<Map> expected = Lists.newArrayList(); for (Object[] value : values) { Preconditions.checkArgument(value.length == columnNames.length); Map<String, Object> theVals = Maps.newHashMapWithExpectedSize(value.length); for (int i = 0; i < columnNames.length; i++) { theVals.put(columnNames[i], value[i]); } expected.add(theVals); } return new Result<TopNResultValue>(DateTimes.of(date), new TopNResultValue(expected)); } }