Package org.apache.accumulo.test.functional

Source Code of org.apache.accumulo.test.functional.DeleteTableDuringSplitIT

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* 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.
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*/
package org.apache.accumulo.test.functional;

import static org.junit.Assert.assertFalse;

import java.util.ArrayList;
import java.util.List;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.concurrent.Future;

import org.apache.accumulo.core.client.TableNotFoundException;
import org.apache.accumulo.core.util.SimpleThreadPool;
import org.apache.accumulo.fate.util.UtilWaitThread;
import org.apache.hadoop.io.Text;
import org.junit.Test;

// ACCUMULO-2361
public class DeleteTableDuringSplitIT extends SimpleMacIT {
 
  @Override
  protected int defaultTimeoutSeconds() {
    return 10 * 60;
  }

  @Test
  public void test() throws Exception {
    String[] tableNames = getUniqueNames(100);
    // make a bunch of tables
    for (String tableName : tableNames) {
      getConnector().tableOperations().create(tableName);
    }
    final SortedSet<Text> splits = new TreeSet<Text>();
    for (byte i = 0; i < 100; i++) {
      splits.add(new Text(new byte[]{0, 0, i}));
    }

    List<Future<?>> results = new ArrayList<Future<?>>();
    List<Runnable> tasks = new ArrayList<Runnable>();
    SimpleThreadPool es = new SimpleThreadPool(tableNames.length, "concurrent-api-requests");
    for (String tableName : tableNames) {
      final String finalName = tableName;
      tasks.add(new Runnable() {
        @Override
        public void run() {
          try {
            getConnector().tableOperations().addSplits(finalName, splits);
          } catch (TableNotFoundException ex) {
          } catch (Exception ex) {
            throw new RuntimeException(finalName, ex);
          }
        }
      });
      tasks.add(new Runnable() {
        @Override
        public void run() {
          try {
            UtilWaitThread.sleep(500);
            getConnector().tableOperations().delete(finalName);
          } catch (Exception ex) {
            throw new RuntimeException(ex);
          }
        }
      });
    }
    for (Runnable r : tasks)
      results.add(es.submit(r));
    for (Future<?> f : results) {
      f.get();
    }
    for (String tableName : tableNames) {
      assertFalse(getConnector().tableOperations().exists(tableName));
    }
  }

}
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