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.rules; import com.metamx.druid.client.DataSegment; import org.codehaus.jackson.annotate.JsonCreator; import org.codehaus.jackson.annotate.JsonProperty; import org.joda.time.DateTime; import org.joda.time.Interval; import org.joda.time.Period; /** */ public class PeriodDropRule extends DropRule { private final Period period; @JsonCreator public PeriodDropRule(@JsonProperty("period") Period period) { this.period = period; } @Override @JsonProperty public String getType() { return "dropByPeriod"; } @JsonProperty public Period getPeriod() { return period; } @Override public boolean appliesTo(DataSegment segment, DateTime referenceTimestamp) { final Interval currInterval = new Interval(period, referenceTimestamp); return currInterval.contains(segment.getInterval()); } }