Java tutorial
/* * Copyright (C) 2017 XJSHQ@github.com * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 3 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301, USA. */ package com.artemchep.horario.database.models; import android.os.Parcel; import android.support.annotation.NonNull; import com.artemchep.horario.models.Model; import org.apache.commons.lang.builder.EqualsBuilder; import org.apache.commons.lang.builder.HashCodeBuilder; import java.util.ArrayList; import java.util.List; /** * @author Artem Chepurnoy */ public class Note extends Model { public static final Creator<Note> CREATOR = new Creator<Note>() { @Override public Note[] newArray(int size) { return new Note[size]; } @Override public Note createFromParcel(Parcel source) { return new Note(source); } }; public String title; /** * Content text; it is {@link #contentHtml} without * html formatting tags. */ public String content; public String contentHtml; /** * First 14 symbols are reserved for UTC time in milliseconds * and the other symbols are for actual sorting. String is guaranteed * to be at least 14 symbols long. */ public String priority; public List<String> subjects; /** * Estimated date; this kinda transforms our note into * a task. */ public int due; public Note() { // Default constructor required for calls // to DataSnapshot.getValue(Note.class) } public Note(Parcel source) { key = source.readString(); title = source.readString(); content = source.readString(); contentHtml = source.readString(); priority = source.readString(); source.readStringList(subjects = new ArrayList<>()); due = source.readInt(); } /** * {@inheritDoc} */ @Override public int hashCode() { return new HashCodeBuilder(37, 49).append(key).append(title).append(content).append(contentHtml) .append(priority).append(subjects).append(due).toHashCode(); } /** * {@inheritDoc} */ @Override public boolean equals(Object o) { if (o == null) return false; if (o == this) return true; if (!(o instanceof Note)) return false; Note note = (Note) o; return new EqualsBuilder().append(due, note.due).append(key, note.key).append(title, note.title) .append(content, note.content).append(contentHtml, note.contentHtml).append(priority, note.priority) .append(subjects, note.subjects).isEquals(); } @NonNull public Note clone() { return (Note) super.clone(); } @Override public int describeContents() { return 0; } @Override public void writeToParcel(Parcel dest, int flags) { dest.writeString(key); dest.writeString(title); dest.writeString(content); dest.writeString(contentHtml); dest.writeString(priority); dest.writeStringList(subjects); dest.writeInt(due); } }