com.metamx.druid.loading.DataSegmentPusherUtil.java Source code

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Here is the source code for com.metamx.druid.loading.DataSegmentPusherUtil.java

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/*
 * Druid - a distributed column store.
 * Copyright (C) 2012  Metamarkets Group Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package com.metamx.druid.loading;

import org.joda.time.format.ISODateTimeFormat;

import com.google.common.base.Joiner;
import com.metamx.druid.client.DataSegment;

/**
 */
public class DataSegmentPusherUtil {
    private static final Joiner JOINER = Joiner.on("/").skipNulls();

    public static String getStorageDir(DataSegment segment) {
        return JOINER.join(segment.getDataSource(),
                String.format("%s_%s", segment.getInterval().getStart(), segment.getInterval().getEnd()),
                segment.getVersion(), segment.getShardSpec().getPartitionNum());
    }

    /**
     * Due to https://issues.apache.org/jira/browse/HDFS-13 ":" are not allowed in
     * path names. So we format paths differently for HDFS.
     */
    public static String getHdfsStorageDir(DataSegment segment) {
        return JOINER.join(segment.getDataSource(),
                String.format("%s_%s", segment.getInterval().getStart().toString(ISODateTimeFormat.basicDateTime()),
                        segment.getInterval().getEnd().toString(ISODateTimeFormat.basicDateTime())),
                segment.getVersion().replaceAll(":", "_"), segment.getShardSpec().getPartitionNum());
    }
}