/*
* 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.IOException;
import org.apache.accumulo.core.client.AccumuloException;
import org.apache.accumulo.core.client.AccumuloSecurityException;
import org.apache.accumulo.core.client.BatchWriter;
import org.apache.accumulo.core.client.TableNotFoundException;
import org.apache.accumulo.core.data.Mutation;
import org.apache.accumulo.core.security.ColumnVisibility;
import org.apache.accumulo.core.tabletserver.thrift.ConstraintViolationException;
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.Option;
import org.apache.commons.cli.Options;
import org.apache.hadoop.io.Text;
public class DeleteCommand extends Command {
private Option deleteOptAuths, timestampOpt;
public int execute(String fullCommand, CommandLine cl, Shell shellState) throws AccumuloException, AccumuloSecurityException, TableNotFoundException,
IOException, ConstraintViolationException {
shellState.checkTableState();
Mutation m = new Mutation(new Text(cl.getArgs()[0]));
if (cl.hasOption(deleteOptAuths.getOpt())) {
ColumnVisibility le = new ColumnVisibility(cl.getOptionValue(deleteOptAuths.getOpt()));
if (cl.hasOption(timestampOpt.getOpt()))
m.putDelete(new Text(cl.getArgs()[1]), new Text(cl.getArgs()[2]), le, Long.parseLong(cl.getOptionValue(timestampOpt.getOpt())));
else
m.putDelete(new Text(cl.getArgs()[1]), new Text(cl.getArgs()[2]), le);
} else if (cl.hasOption(timestampOpt.getOpt()))
m.putDelete(new Text(cl.getArgs()[1]), new Text(cl.getArgs()[2]), Long.parseLong(cl.getOptionValue(timestampOpt.getOpt())));
else
m.putDelete(new Text(cl.getArgs()[1]), new Text(cl.getArgs()[2]));
BatchWriter bw = shellState.getConnector().createBatchWriter(shellState.getTableName(), m.estimatedMemoryUsed() + 0L, 0L, 1);
bw.addMutation(m);
bw.close();
return 0;
}
@Override
public String description() {
return "deletes a record from a table";
}
@Override
public String usage() {
return getName() + " <row> <colfamily> <colqualifier>";
}
@Override
public Options getOptions() {
Options o = new Options();
deleteOptAuths = new Option("l", "authorization-label", true, "formatted authorization label expression");
deleteOptAuths.setArgName("expression");
o.addOption(deleteOptAuths);
timestampOpt = new Option("t", "timestamp", true, "timestamp to use for insert");
timestampOpt.setArgName("timestamp");
o.addOption(timestampOpt);
return o;
}
@Override
public int numArgs() {
return 3;
}
}