src/main/java/org/apache/accumulo/testing/randomwalk/concurrent/CloneTable.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.
 */
package org.apache.accumulo.testing.randomwalk.concurrent;

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

import org.apache.accumulo.core.client.AccumuloClient;
import org.apache.accumulo.core.client.AccumuloException;
import org.apache.accumulo.core.client.NamespaceNotFoundException;
import org.apache.accumulo.core.client.TableExistsException;
import org.apache.accumulo.core.client.TableNotFoundException;
import org.apache.accumulo.testing.randomwalk.RandWalkEnv;
import org.apache.accumulo.testing.randomwalk.State;
import org.apache.accumulo.testing.randomwalk.Test;

public class CloneTable extends Test {

  @Override
  public void visit(State state, RandWalkEnv env, Properties props) throws Exception {
    AccumuloClient client = env.getAccumuloClient();

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

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

    String srcTableName = tableNames.get(rand.nextInt(tableNames.size()));
    String newTableName = tableNames.get(rand.nextInt(tableNames.size()));
    boolean flush = rand.nextBoolean();

    try {
      log.debug("Cloning table " + srcTableName + " " + newTableName + " " + flush);
      client.tableOperations().clone(srcTableName, newTableName, flush, new HashMap<>(),
          new HashSet<>());
    } catch (TableExistsException e) {
      log.debug("Clone " + srcTableName + " failed, " + newTableName + " exists");
    } catch (TableNotFoundException e) {
      log.debug("Clone " + srcTableName + " failed, doesnt exist");
    } catch (IllegalArgumentException e) {
      log.debug("Clone: " + e.toString());
    } catch (AccumuloException e) {
      Throwable cause = e.getCause();
      if (cause != null && cause instanceof NamespaceNotFoundException)
        log.debug(
            "Clone: " + srcTableName + " to " + newTableName + " failed, namespace not found");
      else
        throw e;
    }
  }
}