server/src/main/java/com/metamx/druid/master/MergerWhitelist.java

/*
 * 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.master;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonValue;
import com.google.common.collect.Sets;

import java.util.Set;

/**
 */
public class MergerWhitelist
{
  public static final String CONFIG_KEY = "merger.whitelist";

  private final Set<String> dataSources;

  @JsonCreator
  public MergerWhitelist(Set<String> dataSources)
  {
    this.dataSources = Sets.newTreeSet(String.CASE_INSENSITIVE_ORDER);
    this.dataSources.addAll(dataSources);
  }

  @JsonValue
  public Set<String> getDataSources()
  {
    return dataSources;
  }

  public boolean contains(String val)
  {
    return dataSources.contains(val);
  }
}