hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestRawAsyncTableScan.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase.client;
  19
  20 import java.util.ArrayList;
  21 import java.util.List;
  22 import java.util.function.Supplier;
  23 import org.apache.hadoop.hbase.HBaseClassTestRule;
  24 import org.apache.hadoop.hbase.testclassification.ClientTests;
  25 import org.apache.hadoop.hbase.testclassification.LargeTests;
  26 import org.junit.ClassRule;
  27 import org.junit.experimental.categories.Category;
  28 import org.junit.runner.RunWith;
  29 import org.junit.runners.Parameterized;
  30 import org.junit.runners.Parameterized.Parameter;
  31 import org.junit.runners.Parameterized.Parameters;
  32
  33 @RunWith(Parameterized.class)
  34 @Category({ LargeTests.class, ClientTests.class })
  35 public class TestRawAsyncTableScan extends AbstractTestAsyncTableScan {
  36
  37   @ClassRule
  38   public static final HBaseClassTestRule CLASS_RULE =
  39       HBaseClassTestRule.forClass(TestRawAsyncTableScan.class);
  40
  41   @Parameter(0)
  42   public String scanType;
  43
  44   @Parameter(1)
  45   public Supplier<Scan> scanCreater;
  46
  47   @Parameters(name = "{index}: type={0}")
  48   public static List<Object[]> params() {
  49     return getScanCreatorParams();
  50   }
  51
  52   @Override
  53   protected Scan createScan() {
  54     return scanCreater.get();
  55   }
  56
  57   @Override
  58   protected List<Result> doScan(Scan scan) throws Exception {
  59     BufferingScanResultConsumer scanConsumer = new BufferingScanResultConsumer();
  60     ASYNC_CONN.getTable(TABLE_NAME).scan(scan, scanConsumer);
  61     List<Result> results = new ArrayList<>();
  62     for (Result result; (result = scanConsumer.take()) != null;) {
  63       results.add(result);
  64     }
  65     if (scan.getBatch() > 0) {
  66       results = convertFromBatchResult(results);
  67     }
  68     return results;
  69   }
  70 }