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

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Here is the source code for org.apache.blur.shell.CreateTableCommandHelper.java

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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.io.Writer;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.cli.PosixParser;

public class CreateTableCommandHelper {
    @SuppressWarnings("static-access")
    public static CommandLine parse(String[] otherArgs, Writer out) {
        Options options = new Options();
        options.addOption(OptionBuilder
                .withDescription("Disables the blockcache for this table. (Enabled by default)").create("b"));

        options.addOption(OptionBuilder
                .withDescription("Disables the table when it is created. (Enabled by default)").create("d"));

        options.addOption(OptionBuilder.withDescription("Enabled strict types on a table. (Disabled by default)")
                .create("s"));

        options.addOption(
                OptionBuilder.withDescription("Enables a read only table. (Disabled by default)").create("r"));

        options.addOption(OptionBuilder.isRequired().hasArg().withArgName("tablename")
                .withDescription("* The table name.").create("t"));

        options.addOption(OptionBuilder.isRequired().hasArg().withArgName("shard count")
                .withDescription("* The number of shards in the table.").create("c"));

        options.addOption(OptionBuilder.hasArg().withArgName("uri")
                .withDescription("The location of the table. (Example hdfs://namenode/blur/tables/table)")
                .create("l"));

        options.addOption(OptionBuilder.withArgName("filetype").hasOptionalArgs().withDescription(
                "Sets the filetypes (.tim, .tis, .doc, etc.) to be cached in the block cache. (All by default)")
                .create("B"));

        options.addOption(OptionBuilder.withDescription(
                "If table is not strict, disables the missing field, fieldless indexing. (Enabled by default)")
                .create("mfi"));

        options.addOption(OptionBuilder.withArgName("field type").hasArg()
                .withDescription(
                        "If table is not strict, sets the field type for the missing field. (text by default)")
                .create("mft"));

        options.addOption(OptionBuilder.withArgName("name value").hasArgs(2)
                .withDescription("If table is not strict, sets the properties for the missing field.")
                .create("mfp"));

        options.addOption(OptionBuilder.withArgName("name value").hasArgs(2)
                .withDescription("Sets the properties for this table descriptor.").create("p"));

        options.addOption(OptionBuilder.withArgName("column name*").hasArgs()
                .withDescription(
                        "Sets what columns to pre cache during warmup. (By default all columns are cached)")
                .create("P"));

        options.addOption(OptionBuilder.withArgName("classname").hasArg().withDescription(
                "Sets the similarity class for the table. (By org.apache.blur.lucene.search.FairSimilarity is used)")
                .create("S"));

        options.addOption(OptionBuilder.withDescription("Displays help for this command.").create("h"));

        CommandLineParser parser = new PosixParser();
        CommandLine cmd = null;
        try {
            cmd = parser.parse(options, otherArgs);
            if (cmd.hasOption("h")) {
                HelpFormatter formatter = new HelpFormatter();
                PrintWriter pw = new PrintWriter(out, true);
                formatter.printHelp(pw, HelpFormatter.DEFAULT_WIDTH, "create", null, options,
                        HelpFormatter.DEFAULT_LEFT_PAD, HelpFormatter.DEFAULT_DESC_PAD, null, false);
                return null;
            }
        } catch (ParseException e) {
            HelpFormatter formatter = new HelpFormatter();
            PrintWriter pw = new PrintWriter(out, true);
            formatter.printHelp(pw, HelpFormatter.DEFAULT_WIDTH, "create", null, options,
                    HelpFormatter.DEFAULT_LEFT_PAD, HelpFormatter.DEFAULT_DESC_PAD, null, false);
            return null;
        }
        return cmd;
    }
}