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.phoenix.schema.stats; import com.google.common.collect.Maps; import org.apache.phoenix.query.QueryServices; import org.apache.phoenix.util.ReadOnlyProps; import org.junit.BeforeClass; import org.junit.runners.Parameterized; import java.util.Arrays; import java.util.Collection; import java.util.Map; public class NamespaceEnabledStatsCollectorIT extends BaseStatsCollectorIT { public NamespaceEnabledStatsCollectorIT(boolean userTableNamespaceMapped, boolean collectStatsOnSnapshot) { super(userTableNamespaceMapped, collectStatsOnSnapshot); } @Parameterized.Parameters(name = "userTableNamespaceMapped={0},collectStatsOnSnapshot={1}") public static Collection<Object[]> provideData() { return Arrays.asList(new Object[][] { // Collect stats on snapshots using UpdateStatisticsTool { true, true }, // Collect stats via `UPDATE STATISTICS` SQL { true, false } }); } @BeforeClass public static void doSetup() throws Exception { // enable name space mapping at global level on both client and server side Map<String, String> serverProps = Maps.newHashMapWithExpectedSize(7); serverProps.put(QueryServices.IS_NAMESPACE_MAPPING_ENABLED, Boolean.TRUE.toString()); serverProps.put(QueryServices.STATS_GUIDEPOST_WIDTH_BYTES_ATTRIB, Long.toString(20)); Map<String, String> clientProps = Maps.newHashMapWithExpectedSize(2); clientProps.put(QueryServices.IS_NAMESPACE_MAPPING_ENABLED, Boolean.TRUE.toString()); clientProps.put(QueryServices.STATS_GUIDEPOST_WIDTH_BYTES_ATTRIB, Long.toString(20)); setUpTestDriver(new ReadOnlyProps(serverProps.entrySet().iterator()), new ReadOnlyProps(clientProps.entrySet().iterator())); } }