| /** |
| * 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.rya.shell.util; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import edu.umd.cs.findbugs.annotations.DefaultAnnotation; |
| import edu.umd.cs.findbugs.annotations.NonNull; |
| |
| import org.apache.accumulo.core.client.AccumuloException; |
| import org.apache.accumulo.core.client.AccumuloSecurityException; |
| import org.apache.accumulo.core.client.Connector; |
| import org.apache.accumulo.core.client.Instance; |
| import org.apache.accumulo.core.client.ZooKeeperInstance; |
| import org.apache.accumulo.core.client.security.tokens.PasswordToken; |
| |
| /** |
| * Creates {@link Connector}s that are linked to an instance of Accumulo. |
| */ |
| @DefaultAnnotation(NonNull.class) |
| public class ConnectorFactory { |
| |
| /** |
| * Create a {@link Connector} that uses the provided connection details. |
| * |
| * @param username - The username the connection will use. (not null) |
| * @param password - The password the connection will use. (not null) |
| * @param instanceName - The name of the Accumulo instance. (not null) |
| * @param zookeeperHostnames - A comma delimited list of the Zookeeper server hostnames. (not null) |
| * @return A {@link Connector} that may be used to access the instance of Accumulo. |
| * @throws AccumuloSecurityException Could not connect for security reasons. |
| * @throws AccumuloException Could not connect for other reasons. |
| */ |
| public Connector connect( |
| final String username, |
| final CharSequence password, |
| final String instanceName, |
| final String zookeeperHostnames) throws AccumuloException, AccumuloSecurityException { |
| requireNonNull(username); |
| requireNonNull(password); |
| requireNonNull(instanceName); |
| requireNonNull(zookeeperHostnames); |
| |
| // Setup the password token that will be used. |
| final PasswordToken token = new PasswordToken( password ); |
| |
| // Connect to the instance of Accumulo. |
| final Instance instance = new ZooKeeperInstance(instanceName, zookeeperHostnames); |
| return instance.getConnector(username, token); |
| } |
| } |