/*
* 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.core.util.shell.commands;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.TreeSet;
import org.apache.accumulo.core.client.AccumuloException;
import org.apache.accumulo.core.client.AccumuloSecurityException;
import org.apache.accumulo.core.client.TableNotFoundException;
import org.apache.accumulo.core.util.shell.Shell;
import org.apache.accumulo.core.util.shell.Shell.Command;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.MissingArgumentException;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.codec.binary.Base64;
import org.apache.hadoop.io.Text;
public class AddSplitsCommand extends Command {
private Option tableOpt, optSplitsFile, base64Opt;
public int execute(String fullCommand, CommandLine cl, Shell shellState) throws AccumuloException, AccumuloSecurityException, TableNotFoundException,
MissingArgumentException, FileNotFoundException {
String tableName;
if (cl.hasOption(tableOpt.getOpt())) {
tableName = cl.getOptionValue(tableOpt.getOpt());
if (!shellState.getConnector().tableOperations().exists(tableName))
throw new TableNotFoundException(null, tableName, null);
}
else {
shellState.checkTableState();
tableName = shellState.getTableName();
}
boolean decode = cl.hasOption(base64Opt.getOpt());
TreeSet<Text> splits = new TreeSet<Text>();
if (cl.hasOption(optSplitsFile.getOpt())) {
String f = cl.getOptionValue(optSplitsFile.getOpt());
String line;
java.util.Scanner file = new java.util.Scanner(new File(f));
while (file.hasNextLine()) {
line = file.nextLine();
if (!line.isEmpty())
splits.add(decode ? new Text(Base64.decodeBase64(line.getBytes())) : new Text(line));
}
} else {
if (cl.getArgList().isEmpty())
throw new MissingArgumentException("No split points specified");
for (String s : cl.getArgs()) {
splits.add(new Text(s));
}
}
if (!shellState.getConnector().tableOperations().exists(tableName))
throw new TableNotFoundException(null, tableName, null);
shellState.getConnector().tableOperations().addSplits(tableName, splits);
return 0;
}
@Override
public String description() {
return "add split points to an existing table";
}
@Override
public Options getOptions() {
Options o = new Options();
tableOpt = new Option(Shell.tableOption, "table", true, "name of a table to add split points to");
tableOpt.setArgName("tableName");
tableOpt.setRequired(false);
optSplitsFile = new Option("sf", "splits-file", true, "file with newline separated list of rows to add to table");
optSplitsFile.setArgName("filename");
base64Opt = new Option("b64", "base64encoded", false, "decode encoded split points");
o.addOption(tableOpt);
o.addOption(optSplitsFile);
o.addOption(base64Opt);
return o;
}
@Override
public String usage() {
return getName() + " [<split>{ <split>} ]";
}
@Override
public int numArgs() {
return Shell.NO_FIXED_ARG_LENGTH_CHECK;
}
}