ca.cutterslade.match.scheduler.Slot.java Source code

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Here is the source code for ca.cutterslade.match.scheduler.Slot.java

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/*
 * 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.
 */
package ca.cutterslade.match.scheduler;

import java.io.Serializable;
import java.util.Set;

import com.google.common.base.Predicate;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;

public final class Slot implements Serializable {

    /**
     * 1
     */
    private static final long serialVersionUID = 1L;

    private final Time time;

    private final Day day;

    private final Court court;

    private final Predicate<Match> gymDayMatchPredicate = new Predicate<Match>() {

        @Override
        public boolean apply(Match input) {
            return input.getDay().equals(getDay()) && input.getGym().equals(getGym());
        }
    };

    static ImmutableSet<Slot> forNames(Set<Time> times, Set<Court> courts, Set<Day> days) {
        ImmutableSet.Builder<Slot> b = ImmutableSet.builder();
        for (Day day : days)
            for (Court court : courts)
                for (Time time : times)
                    b.add(new Slot(time, day, court));
        return b.build();
    }

    Slot(Time time, Day day, Court court) {
        if (null == time)
            throw new IllegalArgumentException("time may not be null");
        if (null == court)
            throw new IllegalArgumentException("court may not be null");
        if (null == day)
            throw new IllegalArgumentException("day may not be null");
        this.time = time;
        this.day = day;
        this.court = court;
    }

    public Time getTime() {
        return time;
    }

    public Day getDay() {
        return day;
    }

    public Court getCourt() {
        return court;
    }

    public Gym getGym() {
        return court.getGym();
    }

    public Iterable<Match> getSameGymAndDayMatches(Iterable<Match> matches) {
        return Iterables.filter(matches, gymDayMatchPredicate);
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + court.hashCode();
        result = prime * result + day.hashCode();
        result = prime * result + time.hashCode();
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        Slot other = (Slot) obj;
        if (!court.equals(other.court))
            return false;
        if (!day.equals(other.day))
            return false;
        if (!time.equals(other.time))
            return false;
        return true;
    }

    @Override
    public String toString() {
        return "Slot [gym=" + court.getGym().getName() + ", court=" + court.getName() + ", day=" + day.getName()
                + ", time=" + time.getName() + "]";
    }

}