| /* |
| * 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.io.IOException; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import org.apache.accumulo.core.client.AccumuloException; |
| import org.apache.accumulo.core.client.AccumuloSecurityException; |
| import org.apache.accumulo.core.client.IteratorSetting; |
| import org.apache.accumulo.core.client.Scanner; |
| import org.apache.accumulo.core.client.TableNotFoundException; |
| import org.apache.accumulo.core.iterators.IteratorUtil.IteratorScope; |
| import org.apache.accumulo.core.security.Authorizations; |
| import org.apache.accumulo.shell.Shell; |
| import org.apache.accumulo.shell.ShellCommandException; |
| 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 SetScanIterCommand extends SetIterCommand { |
| @Override |
| public int execute(final String fullCommand, final CommandLine cl, final Shell shellState) throws AccumuloException, AccumuloSecurityException, |
| TableNotFoundException, IOException, ShellCommandException { |
| Shell.log.warn("Deprecated, use " + new SetShellIterCommand().getName()); |
| return super.execute(fullCommand, cl, shellState); |
| } |
| |
| @Override |
| protected void setTableProperties(final CommandLine cl, final Shell shellState, final int priority, final Map<String,String> options, final String classname, |
| final String name) throws AccumuloException, AccumuloSecurityException, ShellCommandException, TableNotFoundException { |
| |
| final String tableName = OptUtil.getTableOpt(cl, shellState); |
| |
| ScanCommand.ensureTserversCanLoadIterator(shellState, tableName, classname); |
| |
| for (Iterator<Entry<String,String>> i = options.entrySet().iterator(); i.hasNext();) { |
| final Entry<String,String> entry = i.next(); |
| if (entry.getValue() == null || entry.getValue().isEmpty()) { |
| i.remove(); |
| } |
| } |
| |
| List<IteratorSetting> tableScanIterators = shellState.scanIteratorOptions.get(tableName); |
| if (tableScanIterators == null) { |
| tableScanIterators = new ArrayList<>(); |
| shellState.scanIteratorOptions.put(tableName, tableScanIterators); |
| } |
| final IteratorSetting setting = new IteratorSetting(priority, name, classname); |
| setting.addOptions(options); |
| |
| // initialize a scanner to ensure the new setting does not conflict with existing settings |
| final String user = shellState.getConnector().whoami(); |
| final Authorizations auths = shellState.getConnector().securityOperations().getUserAuthorizations(user); |
| final Scanner scanner = shellState.getConnector().createScanner(tableName, auths); |
| for (IteratorSetting s : tableScanIterators) { |
| scanner.addScanIterator(s); |
| } |
| scanner.addScanIterator(setting); |
| |
| // if no exception has been thrown, it's safe to add it to the list |
| tableScanIterators.add(setting); |
| Shell.log.debug("Scan iterators :" + shellState.scanIteratorOptions.get(tableName)); |
| } |
| |
| @Override |
| public String description() { |
| return "sets a table-specific scan iterator for this shell session"; |
| } |
| |
| @Override |
| public Options getOptions() { |
| // Remove the options that specify which type of iterator this is, since |
| // they are all scan iterators with this command. |
| final HashSet<OptionGroup> groups = new HashSet<>(); |
| final Options parentOptions = super.getOptions(); |
| final Options modifiedOptions = new Options(); |
| for (Iterator<?> it = parentOptions.getOptions().iterator(); it.hasNext();) { |
| Option o = (Option) it.next(); |
| if (!IteratorScope.majc.name().equals(o.getOpt()) && !IteratorScope.minc.name().equals(o.getOpt()) && !IteratorScope.scan.name().equals(o.getOpt())) { |
| modifiedOptions.addOption(o); |
| OptionGroup group = parentOptions.getOptionGroup(o); |
| if (group != null) |
| groups.add(group); |
| } |
| } |
| for (OptionGroup group : groups) { |
| modifiedOptions.addOptionGroup(group); |
| } |
| return modifiedOptions; |
| } |
| |
| } |