org.apache.druid.server.coordinator.rules.PeriodDropBeforeRule.java Source code

Java tutorial

Introduction

Here is the source code for org.apache.druid.server.coordinator.rules.PeriodDropBeforeRule.java

Source

/*
 * 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.druid.server.coordinator.rules;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import org.apache.druid.timeline.DataSegment;
import org.joda.time.DateTime;
import org.joda.time.Interval;
import org.joda.time.Period;

public class PeriodDropBeforeRule extends DropRule {
    private final Period period;

    @JsonCreator
    public PeriodDropBeforeRule(@JsonProperty("period") Period period) {
        this.period = period;
    }

    @Override
    @JsonProperty
    public String getType() {
        return "dropBeforeByPeriod";
    }

    @JsonProperty
    public Period getPeriod() {
        return period;
    }

    @Override
    public boolean appliesTo(DataSegment segment, DateTime referenceTimestamp) {
        return appliesTo(segment.getInterval(), referenceTimestamp);
    }

    @Override
    public boolean appliesTo(Interval theInterval, DateTime referenceTimestamp) {
        final DateTime periodAgo = referenceTimestamp.minus(period);
        return theInterval.getEndMillis() <= periodAgo.getMillis();
    }
}