| /* |
| * 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.shell.commands; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.apache.accumulo.core.client.IteratorSetting; |
| 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 DeleteScanIterCommand extends Command { |
| private Option nameOpt, allOpt; |
| |
| @Override |
| public int execute(final String fullCommand, final CommandLine cl, final Shell shellState) throws Exception { |
| Shell.log.warn("Deprecated, use " + new DeleteShellIterCommand().getName()); |
| final String tableName = OptUtil.getTableOpt(cl, shellState); |
| |
| if (cl.hasOption(allOpt.getOpt())) { |
| final List<IteratorSetting> tableScanIterators = shellState.scanIteratorOptions.remove(tableName); |
| if (tableScanIterators == null) { |
| Shell.log.info("No scan iterators set on table " + tableName); |
| } else { |
| Shell.log.info("Removed the following scan iterators from table " + tableName + ":" + tableScanIterators); |
| } |
| } else if (cl.hasOption(nameOpt.getOpt())) { |
| final String name = cl.getOptionValue(nameOpt.getOpt()); |
| final List<IteratorSetting> tableScanIterators = shellState.scanIteratorOptions.get(tableName); |
| if (tableScanIterators != null) { |
| boolean found = false; |
| for (Iterator<IteratorSetting> iter = tableScanIterators.iterator(); iter.hasNext();) { |
| if (iter.next().getName().equals(name)) { |
| iter.remove(); |
| found = true; |
| break; |
| } |
| } |
| if (!found) { |
| Shell.log.info("No iterator named " + name + " found for table " + tableName); |
| } else { |
| Shell.log.info("Removed scan iterator " + name + " from table " + tableName + " (" + shellState.scanIteratorOptions.get(tableName).size() + " left)"); |
| if (shellState.scanIteratorOptions.get(tableName).size() == 0) { |
| shellState.scanIteratorOptions.remove(tableName); |
| } |
| } |
| } else { |
| Shell.log.info("No iterator named " + name + " found for table " + tableName); |
| } |
| } |
| |
| return 0; |
| } |
| |
| @Override |
| public String description() { |
| return "deletes a table-specific scan iterator so it is no longer used during this shell session"; |
| } |
| |
| @Override |
| public Options getOptions() { |
| final Options o = new Options(); |
| |
| OptionGroup nameGroup = new OptionGroup(); |
| |
| nameOpt = new Option("n", "name", true, "iterator to delete"); |
| nameOpt.setArgName("itername"); |
| |
| allOpt = new Option("a", "all", false, "delete all scan iterators"); |
| allOpt.setArgName("all"); |
| |
| nameGroup.addOption(nameOpt); |
| nameGroup.addOption(allOpt); |
| nameGroup.setRequired(true); |
| o.addOptionGroup(nameGroup); |
| o.addOption(OptUtil.tableOpt("table to delete scan iterators from")); |
| |
| return o; |
| } |
| |
| @Override |
| public int numArgs() { |
| return 0; |
| } |
| } |