org.apache.accumulo.shell.commands.CreateNamespaceCommand Maven / Gradle / Ivy

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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
 *
 *   https://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.shell.commands;

import java.io.IOException;
import java.util.Map;

import org.apache.accumulo.core.client.AccumuloException;
import org.apache.accumulo.core.client.AccumuloSecurityException;
import org.apache.accumulo.core.client.NamespaceExistsException;
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.core.conf.Property;
import org.apache.accumulo.shell.Shell;
import org.apache.accumulo.shell.Shell.Command;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.OptionGroup;
import org.apache.commons.cli.Options;

public class CreateNamespaceCommand extends Command {
  private Option createNamespaceOptCopyConfig;

  @Override
  public int execute(final String fullCommand, final CommandLine cl, final Shell shellState)
      throws AccumuloException, AccumuloSecurityException, TableExistsException,
      TableNotFoundException, IOException, ClassNotFoundException, NamespaceExistsException,
      NamespaceNotFoundException {

    if (createNamespaceOptCopyConfig == null) {
      getOptions();
    }

    String namespace = cl.getArgs()[0];

    shellState.getAccumuloClient().namespaceOperations().create(namespace);

    // Copy options if flag was set
    Map configuration = null;
    if (cl.hasOption(createNamespaceOptCopyConfig.getOpt())) {
      String copy = cl.getOptionValue(createNamespaceOptCopyConfig.getOpt());
      if (shellState.getAccumuloClient().namespaceOperations().exists(namespace)) {
        configuration = shellState.getAccumuloClient().namespaceOperations().getConfiguration(copy);
      }
    }
    if (configuration != null) {
      final Map config = configuration;
      shellState.getAccumuloClient().namespaceOperations().modifyProperties(namespace,
          properties -> config.entrySet().stream()
              .filter(entry -> Property.isValidTablePropertyKey(entry.getKey()))
              .forEach(entry -> properties.put(entry.getKey(), entry.getValue())));
    }

    return 0;
  }

  @Override
  public String description() {
    return "creates a new namespace";
  }

  @Override
  public String usage() {
    return getName() + " ";
  }

  @Override
  public Options getOptions() {
    final Options o = new Options();

    createNamespaceOptCopyConfig =
        new Option("cc", "copy-config", true, "namespace to copy configuration from");
    createNamespaceOptCopyConfig.setArgName("namespace");

    OptionGroup ogp = new OptionGroup();
    ogp.addOption(createNamespaceOptCopyConfig);

    o.addOptionGroup(ogp);

    return o;
  }

  @Override
  public int numArgs() {
    return 1;
  }
}