| /** |
| * 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.sqoop.tool; |
| |
| import org.apache.commons.cli.CommandLine; |
| import org.apache.commons.cli.OptionBuilder; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| import org.apache.sqoop.SqoopOptions; |
| import org.apache.sqoop.SqoopOptions.InvalidOptionsException; |
| import org.apache.sqoop.cli.RelatedOptions; |
| import org.apache.sqoop.cli.ToolOptions; |
| import org.apache.sqoop.metastore.hsqldb.HsqldbMetaStore; |
| |
| /** |
| * Tool that runs a standalone Sqoop metastore. |
| */ |
| public class MetastoreTool extends BaseSqoopTool { |
| |
| public static final Log LOG = LogFactory.getLog( |
| MetastoreTool.class.getName()); |
| |
| private HsqldbMetaStore metastore; |
| |
| // If set to true, shut an existing metastore down. |
| private boolean shutdown = false; |
| |
| public MetastoreTool() { |
| super("metastore"); |
| } |
| |
| @Override |
| /** {@inheritDoc} */ |
| public int run(SqoopOptions options) { |
| metastore = new HsqldbMetaStore(options.getConf()); |
| if (shutdown) { |
| LOG.info("Shutting down metastore..."); |
| metastore.shutdown(); |
| } else { |
| metastore.start(); |
| metastore.waitForServer(); |
| LOG.info("Server thread has quit."); |
| } |
| return 0; |
| } |
| |
| @Override |
| /** Configure the command-line arguments we expect to receive */ |
| public void configureOptions(ToolOptions toolOptions) { |
| RelatedOptions opts = new RelatedOptions("metastore arguments"); |
| opts.addOption(OptionBuilder |
| .withDescription("Cleanly shut down a running metastore") |
| .withLongOpt(METASTORE_SHUTDOWN_ARG) |
| .create()); |
| |
| toolOptions.addUniqueOptions(opts); |
| } |
| |
| @Override |
| /** {@inheritDoc} */ |
| public void applyOptions(CommandLine in, SqoopOptions out) |
| throws InvalidOptionsException { |
| if (in.hasOption(METASTORE_SHUTDOWN_ARG)) { |
| this.shutdown = true; |
| } |
| } |
| |
| @Override |
| /** {@inheritDoc} */ |
| public void validateOptions(SqoopOptions options) |
| throws InvalidOptionsException { |
| } |
| } |
| |