/*
 * 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.nifi.controller.status.analytics;

import java.util.Date;

/**
 * QueryWindow is used to track time intervals for querying for observations
 */
public class QueryWindow {

    private long startTimeMillis;
    private long endTimeMillis;

    public QueryWindow(long startTimeMillis, long endTimeMillis) {
        this.startTimeMillis = startTimeMillis;
        this.endTimeMillis = endTimeMillis;
    }

    public long getStartTimeMillis() {
        return startTimeMillis;
    }

    public void setStartTimeMillis(long startTimeMillis) {
        this.startTimeMillis = startTimeMillis;
    }

    public long getEndTimeMillis() {
        return endTimeMillis;
    }

    public void setEndTimeMillis(long endTimeMillis) {
        this.endTimeMillis = endTimeMillis;
    }

    public Date getStartDateTime() {
        return new Date(startTimeMillis);
    }

    public Date getEndDateTime() {
        return new Date(endTimeMillis);
    }

    public long getTimeDifferenceMillis() {
        return endTimeMillis - startTimeMillis;
    }

}
