Java tutorial
/* * 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); } }