com.smoketurner.notification.application.core.UserNotifications Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of notification-application Show documentation
There is a newer version: 2.0.0
Show newest version
/**
 * Copyright 2015 Smoke Turner, LLC.
 *
 * 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 com.smoketurner.notification.application.core;

import java.util.Objects;

import javax.annotation.Nonnull;
import javax.annotation.concurrent.Immutable;

import com.google.common.base.MoreObjects;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableSortedSet;
import com.google.common.collect.Iterables;
import com.smoketurner.notification.api.Notification;

@Immutable
public final class UserNotifications {

  private final Iterable unseen;
  private final Iterable seen;

  /**
   * Constructor
   *
   * @param unseen Unseen notifications
   * @param seen Seen notifications
   */
  public UserNotifications(@Nonnull final Iterable unseen,
      @Nonnull final Iterable seen) {
    this.unseen = Preconditions.checkNotNull(unseen);
    this.seen = Preconditions.checkNotNull(seen);
  }

  /**
   * Constructor
   *
   * @param unseen Unseen notifications
   */
  public UserNotifications(@Nonnull final Iterable unseen) {
    this.unseen = Preconditions.checkNotNull(unseen);
    this.seen = ImmutableSortedSet.of();
  }

  /**
   * Constructor
   */
  public UserNotifications() {
    this.unseen = ImmutableSortedSet.of();
    this.seen = ImmutableSortedSet.of();
  }

  public boolean isEmpty() {
    return Iterables.isEmpty(unseen) && Iterables.isEmpty(seen);
  }

  public Iterable getUnseen() {
    return unseen;
  }

  public Iterable getSeen() {
    return seen;
  }

  public ImmutableSortedSet getNotifications() {
    return ImmutableSortedSet.naturalOrder().addAll(unseen).addAll(seen).build();
  }

  @Override
  public boolean equals(final Object obj) {
    if (this == obj) {
      return true;
    }
    if ((obj == null) || (getClass() != obj.getClass())) {
      return false;
    }

    final UserNotifications other = (UserNotifications) obj;
    return Objects.equals(unseen, other.unseen) && Objects.equals(seen, other.seen);
  }

  @Override
  public int hashCode() {
    return Objects.hash(unseen, seen);
  }

  @Override
  public String toString() {
    return MoreObjects.toStringHelper(this).add("unseen", unseen).add("seen", seen).toString();
  }
}