core/src/main/java/org/apache/accumulo/testing/core/randomwalk/concurrent/Compact.java

/*
 * 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.
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package org.apache.accumulo.testing.core.randomwalk.concurrent;

import java.util.List;
import java.util.Properties;
import java.util.Random;

import org.apache.accumulo.core.client.Connector;
import org.apache.accumulo.core.client.TableNotFoundException;
import org.apache.accumulo.core.client.TableOfflineException;
import org.apache.accumulo.testing.core.randomwalk.RandWalkEnv;
import org.apache.accumulo.testing.core.randomwalk.State;
import org.apache.accumulo.testing.core.randomwalk.Test;
import org.apache.hadoop.io.Text;

public class Compact extends Test {

  @Override
  public void visit(State state, RandWalkEnv env, Properties props) throws Exception {
    Connector conn = env.getAccumuloConnector();

    Random rand = (Random) state.get("rand");

    @SuppressWarnings("unchecked")
    List<String> tableNames = (List<String>) state.get("tables");

    String tableName = tableNames.get(rand.nextInt(tableNames.size()));

    List<Text> range = ConcurrentFixture.generateRange(rand);

    try {
      boolean wait = rand.nextBoolean();
      conn.tableOperations().compact(tableName, range.get(0), range.get(1), false, wait);
      log.debug((wait ? "compacted " : "initiated compaction ") + tableName + " from " + range.get(0) + " to " + range.get(1));
    } catch (TableNotFoundException tne) {
      log.debug("compact " + tableName + " from " + range.get(0) + " to " + range.get(1) + " failed, doesnt exist");
    } catch (TableOfflineException toe) {
      log.debug("compact " + tableName + " from " + range.get(0) + " to " + range.get(1) + " failed, offline");
    }

  }
}