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From: phrocker <git@git.apache.org>
To: dev@accumulo.apache.org
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Subject: [GitHub] accumulo pull request: ACCUMULO-4153: Update the getCodec method to no longe...
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Message-Id: <20160531201801.02C1FDFB74@git1-us-west.apache.org>
Date: Tue, 31 May 2016 20:18:01 +0000 (UTC)
archived-at: Tue, 31 May 2016 20:18:03 -0000

Github user phrocker commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/105#discussion_r65254781
  
    --- Diff: core/src/test/java/org/apache/accumulo/core/file/rfile/bcfile/CompressionTest.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.accumulo.core.file.rfile.bcfile;
    +
    +import java.io.IOException;
    +import java.util.Collection;
    +import java.util.Set;
    +import java.util.concurrent.Callable;
    +import java.util.concurrent.ExecutorService;
    +import java.util.concurrent.Executors;
    +
    +import org.apache.accumulo.core.file.rfile.bcfile.Compression.Algorithm;
    +import org.apache.hadoop.io.compress.CompressionCodec;
    +import org.junit.Assert;
    +import org.junit.Test;
    +
    +import com.google.common.collect.Lists;
    +import com.google.common.collect.Sets;
    +
    +public class CompressionTest {
    +
    +  @Test
    +  public void testSingle() throws IOException {
    +    Assert.assertNotNull(Compression.Algorithm.GZ.getCodec());
    +
    +    Assert.assertNotNull(Compression.Algorithm.GZ.getCodec());
    +  }
    +
    +  @Test
    +  public void testManyStartNotNull() throws IOException {
    +    final CompressionCodec codec = Algorithm.GZ.getCodec();
    +
    +    Assert.assertNotNull(codec);
    +
    +    ExecutorService service = Executors.newFixedThreadPool(10);
    +
    +    for (int i = 0; i < 30; i++) {
    +      service.submit(new Callable<Boolean>()
    +
    +      {
    +
    +        @Override
    +        public Boolean call() throws Exception {
    +          Assert.assertNotNull(Compression.Algorithm.GZ.getCodec());
    +          return true;
    +        }
    +
    +      });
    +    }
    +
    +    service.shutdown();
    +
    +    Assert.assertNotNull(codec);
    +
    +  }
    +
    +  // don't start until we have created the codec
    +  @Test
    +  public void testManyDontStartUntilThread() throws IOException {
    +
    +    ExecutorService service = Executors.newFixedThreadPool(10);
    +
    +    for (int i = 0; i < 30; i++) {
    +
    +      service.submit(new Callable<Boolean>() {
    +
    +        @Override
    +        public Boolean call() throws Exception {
    +          Assert.assertNotNull(Compression.Algorithm.GZ.getCodec());
    +          return true;
    +        }
    +
    +      });
    +    }
    +
    +    service.shutdown();
    +
    +  }
    +
    +  // don't start until we have created the codec
    +  @Test
    +  public void testThereCanBeOnlyOne() throws IOException, InterruptedException {
    +
    +    ExecutorService service = Executors.newFixedThreadPool(20);
    +
    +    Collection<Callable<Boolean>> list = Lists.newArrayList();
    --- End diff --
    
    My apologies I must not have run the right profile . I'll make sure I fix and run modernizer with he appropriate profile 


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