org.apache.blur.shell.CreateTableCommand.java Source code

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/**
 * 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.blur.shell;

import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import org.apache.blur.thirdparty.thrift_0_9_0.TException;
import org.apache.blur.thrift.generated.Blur;
import org.apache.blur.thrift.generated.BlurException;
import org.apache.blur.thrift.generated.TableDescriptor;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;

public class CreateTableCommand extends Command {
    @Override
    public void doit(PrintWriter out, Blur.Iface client, String[] args)
            throws CommandException, TException, BlurException {
        CommandLine cmd = CreateTableCommandHelper.parse(args, out);
        if (cmd == null) {
            throw new CommandException(name() + " missing required arguments");
        }
        TableDescriptor td = new TableDescriptor();

        td.setCluster(Main.getCluster(client));
        td.setName(cmd.getOptionValue("t"));
        td.setShardCount(Integer.parseInt(cmd.getOptionValue("c")));

        if (cmd.hasOption("b")) {
            td.setBlockCaching(false);
        }
        if (cmd.hasOption("B")) {
            String[] optionValues = cmd.getOptionValues("B");
            Set<String> blockCachingFileTypes = new HashSet<String>();
            if (optionValues != null) {
                blockCachingFileTypes.addAll(Arrays.asList(cmd.getOptionValues("B")));
            }
            td.setBlockCachingFileTypes(blockCachingFileTypes);
        }
        if (cmd.hasOption("mfi")) {
            td.setDefaultMissingFieldLessIndexing(false);
        }
        if (cmd.hasOption("mft")) {
            String defaultMissingFieldType = cmd.getOptionValue("mft");
            td.setDefaultMissingFieldType(defaultMissingFieldType);
        }
        if (cmd.hasOption("mfp")) {
            Map<String, String> defaultMissingFieldProps = getProps(cmd, "mfp");
            td.setDefaultMissingFieldProps(defaultMissingFieldProps);
        }
        if (cmd.hasOption("d")) {
            td.setEnabled(false);
        }
        if (cmd.hasOption("p")) {
            Map<String, String> tableProperties = getProps(cmd, "p");
            td.setTableProperties(tableProperties);
        }
        if (cmd.hasOption("s")) {
            td.setStrictTypes(true);
        }
        if (cmd.hasOption("r")) {
            td.setReadOnly(true);
        }
        if (cmd.hasOption("l")) {
            String tableUri = cmd.getOptionValue("l");
            td.setTableUri(tableUri);
        }
        if (cmd.hasOption("P")) {
            td.setPreCacheCols(Arrays.asList(cmd.getOptionValues("P")));
        }
        if (cmd.hasOption("S")) {
            td.setSimilarityClass(cmd.getOptionValue("S"));
        }

        if (Main.debug) {
            out.println(td.toString());
            out.flush();
        }

        client.createTable(td);
    }

    private Map<String, String> getProps(CommandLine cmd, String opt) {
        Map<String, String> props = new HashMap<String, String>();
        Option[] options = cmd.getOptions();
        for (Option option : options) {
            if (option.getOpt().equals(opt)) {
                String[] values = option.getValues();
                props.put(values[0], values[1]);
            }
        }
        return props;
    }

    @Override
    public String description() {
        return "Create the named table.  Run -h for full argument list.";
    }

    @Override
    public String usage() {
        return "-t <tablename> -c <shardcount> -l <location>";
    }

    @Override
    public String name() {
        return "create";
    }

}