org.smartdeveloperhub.harvesters.it.testing.generator.WorkDay.java Source code

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Here is the source code for org.smartdeveloperhub.harvesters.it.testing.generator.WorkDay.java

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/**
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   This file is part of the Smart Developer Hub Project:
 *     http://www.smartdeveloperhub.org/
 *
 *   Center for Open Middleware
 *     http://www.centeropenmiddleware.com/
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Copyright (C) 2015-2016 Center for Open Middleware.
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Licensed 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.
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Artifact    : org.smartdeveloperhub.harvesters.it.frontend:it-frontend-dist:0.1.0
 *   Bundle      : it-frontend-dist-0.1.0.war
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 */
package org.smartdeveloperhub.harvesters.it.testing.generator;

import java.util.Iterator;
import java.util.Random;

import org.joda.time.LocalTime;
import org.joda.time.Minutes;

final class WorkDay {

    private final class WorkingHourIterator implements Iterator<LocalTime> {

        private LocalTime start;

        private WorkingHourIterator(final LocalTime workDayStart) {
            this.start = workDayStart;
        }

        @Override
        public boolean hasNext() {
            return true;
        }

        @Override
        public LocalTime next() {
            final LocalTime current = this.start;
            this.start = this.start
                    .plusMinutes(3 + WorkDay.this.random.nextInt(12) + WorkDay.this.random.nextInt(60) % 5);
            return current;
        }

        @Override
        public void remove() {
            throw new UnsupportedOperationException("Working hours cannot be removed");
        }
    }

    private final Random random;
    private final LocalTime start;
    private final LocalTime end;

    private final Minutes duration;

    WorkDay(final Random random) {
        this.random = random;
        this.start = new LocalTime(8, 0);
        this.end = new LocalTime(20, 0);
        this.duration = Minutes.minutes(60 * 6 + random.nextInt(30 * 6));
    }

    int workingHoursPerDay() {
        return this.end.getHourOfDay() - this.start.getHourOfDay();
    }

    int effortPerDay() {
        return this.duration.getMinutes();
    }

    LocalTime workingHour() {
        return this.start.plusHours(this.random.nextInt(workingHoursPerDay()));
    }

    LocalTime workingTime() {
        return adjustedStartTime().plusMinutes(this.random.nextInt(workingHoursPerDay() * 60));
    }

    public Iterator<LocalTime> workingTimes() {
        return new WorkingHourIterator(adjustedStartTime());
    }

    private LocalTime adjustedStartTime() {
        LocalTime currentStart = null;
        final int adjustCase = this.random.nextInt(100) % 3;
        if (adjustCase == 0) {
            currentStart = this.start;
        } else if (adjustCase == 1) {
            currentStart = this.start.minusMinutes(30 + this.random.nextInt(30 * 4));
        } else {
            currentStart = this.start.plusMinutes(30 + this.random.nextInt(30 * 4));
        }
        return currentStart;
    }

    @Override
    public String toString() {
        return String.format("Work day starts at %s and ends at %s. ~%1.1f hours of work expected.", this.start,
                this.end, effortPerDay() / 60.0f);
    }

}