Java tutorial
/* * Copyright (C) 2016 Naoghuman * * 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, see <http://www.gnu.org/licenses/>. */ package com.github.naoghuman.abclist.model; import com.github.naoghuman.abclist.configuration.IDefaultConfiguration; import com.github.naoghuman.abclist.configuration.ITopicConfiguration; import java.io.Externalizable; import java.io.IOException; import java.io.ObjectInput; import java.io.ObjectOutput; import javafx.beans.property.BooleanProperty; import javafx.beans.property.LongProperty; import javafx.beans.property.SimpleBooleanProperty; import javafx.beans.property.SimpleLongProperty; import javafx.beans.property.SimpleStringProperty; import javafx.beans.property.StringProperty; import javax.persistence.Access; import javax.persistence.AccessType; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.NamedQueries; import javax.persistence.NamedQuery; import javax.persistence.Table; import javax.persistence.Transient; import org.apache.commons.lang3.builder.CompareToBuilder; import org.apache.commons.lang3.builder.EqualsBuilder; import org.apache.commons.lang3.builder.HashCodeBuilder; import org.apache.commons.lang3.builder.ToStringBuilder; /** * * @author Naoghuman */ @Entity @Access(AccessType.PROPERTY) @Table(name = ITopicConfiguration.ENTITY__TABLE_NAME__TOPIC) @NamedQueries({ @NamedQuery(name = ITopicConfiguration.NAMED_QUERY__NAME__FIND_ALL, query = ITopicConfiguration.NAMED_QUERY__QUERY__FIND_ALL) }) public class Topic implements Comparable<Topic>, Externalizable, IDefaultConfiguration, ITopicConfiguration { public Topic() { this(SIGN__EMPTY); } public Topic(String title) { this(DEFAULT_ID, title); } public Topic(long id, String title) { this(id, DEFAULT_ID, title); } public Topic(long id, long parentId, String title) { this.init(id, parentId, title); } private void init(long id, long parentId, String title) { this.setId(id); this.setParentId(parentId); this.setTitle(title); markAsChangedProperty = new SimpleBooleanProperty(Boolean.FALSE); } // START ID --------------------------------------------------------------- private LongProperty idProperty; private long _id = DEFAULT_ID; @Id @Column(name = TOPIC__COLUMN_NAME__ID) public long getId() { if (idProperty == null) { return _id; } else { return idProperty.get(); } } public final void setId(long id) { if (idProperty == null) { _id = id; } else { idProperty.set(id); } } public LongProperty idProperty() { if (idProperty == null) { idProperty = new SimpleLongProperty(this, TOPIC__COLUMN_NAME__ID, _id); } return idProperty; } // END ID ----------------------------------------------------------------- // START PARENT-ID -------------------------------------------------------- // DEFAULT_ID means this [Topic] hasn't another [Topic] as parent. private LongProperty parentIdProperty; private long _parentId = DEFAULT_ID; @Column(name = TOPIC__COLUMN_NAME__ID) public long getParentId() { if (parentIdProperty == null) { return _parentId; } else { return parentIdProperty.get(); } } public final void setParentId(long parentId) { if (parentIdProperty == null) { _parentId = parentId; } else { parentIdProperty.set(parentId); } } public LongProperty parentIdProperty() { if (parentIdProperty == null) { parentIdProperty = new SimpleLongProperty(this, TOPIC__COLUMN_NAME__ID, _parentId); } return parentIdProperty; } // END PARENT-ID ---------------------------------------------------------- // START GENERATIONTIME --------------------------------------------------- private LongProperty generationTimeProperty; private long _generationTime = System.currentTimeMillis(); @Column(name = TOPIC__COLUMN_NAME__GENERATION_TIME) public long getGenerationTime() { if (generationTimeProperty == null) { return _generationTime; } else { return generationTimeProperty.get(); } } public final void setGenerationTime(long generationTime) { if (generationTimeProperty == null) { _generationTime = generationTime; } else { generationTimeProperty.set(generationTime); } } public LongProperty generationTimeProperty() { if (generationTimeProperty == null) { generationTimeProperty = new SimpleLongProperty(this, TOPIC__COLUMN_NAME__GENERATION_TIME, _generationTime); } return generationTimeProperty; } // END GENERATIONTIME ----------------------------------------------------- // START DESCRIPTION ------------------------------------------------------ private StringProperty descriptionProperty = null; private String _description = SIGN__EMPTY; @Column(name = TOPIC__COLUMN_NAME__DESCRIPTION) public String getDescription() { if (descriptionProperty == null) { return _description; } else { return descriptionProperty.get(); } } public void setDescription(String description) { if (descriptionProperty == null) { _description = description; } else { descriptionProperty.set(description); } } public StringProperty descriptionProperty() { if (descriptionProperty == null) { descriptionProperty = new SimpleStringProperty(this, TOPIC__COLUMN_NAME__DESCRIPTION, _description); } return descriptionProperty; } // END DESCRIPTION -------------------------------------------------------- // START TITLE ------------------------------------------------------------ private StringProperty titleProperty = null; private String _title = SIGN__EMPTY; @Column(name = TOPIC__COLUMN_NAME__TITLE) public String getTitle() { if (titleProperty == null) { return _title; } else { return titleProperty.get(); } } public void setTitle(String title) { if (titleProperty == null) { _title = title; } else { titleProperty.set(title); } } public StringProperty titleProperty() { if (titleProperty == null) { titleProperty = new SimpleStringProperty(this, TOPIC__COLUMN_NAME__TITLE, _title); } return titleProperty; } // END TITLE -------------------------------------------------------------- // START EXERCISES-SIZE --------------------------------------------------- private transient int exercisesSize = 0; @Transient public int getExercises() { return exercisesSize; } public void setExercises(int exercisesSize) { this.exercisesSize = exercisesSize; } // END EXERCISES-SIZE ----------------------------------------------------- // START MARK-AS-CHANGED -------------------------------------------------- private transient BooleanProperty markAsChangedProperty = null; @Transient public boolean isMarkAsChanged() { return markAsChangedProperty.getValue(); } public BooleanProperty markAsChangedProperty() { return markAsChangedProperty; } public void setMarkAsChanged(boolean isMarkAsChanged) { markAsChangedProperty.setValue(isMarkAsChanged); } // END MARK-AS-CHANGED ---------------------------------------------------- @Override public int compareTo(Topic other) { return new CompareToBuilder().append(this.getTitle(), other.getTitle()).append(this.getId(), other.getId()) .append(this.getParentId(), other.getParentId()).toComparison(); } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj == null || this.getClass() != obj.getClass()) { return false; } final Topic other = (Topic) obj; return new EqualsBuilder().append(this.getId(), other.getId()) .append(this.getParentId(), this.getParentId()) .append(this.getGenerationTime(), other.getGenerationTime()) .append(this.getTitle(), other.getTitle()).isEquals(); } @Override public int hashCode() { return new HashCodeBuilder(17, 37).append(this.getId()).append(this.getParentId()) .append(this.getGenerationTime()).append(this.getTitle()).toHashCode(); } @Override public String toString() { return new ToStringBuilder(this).append(TOPIC__COLUMN_NAME__ID, this.getId()) .append(TOPIC__COLUMN_NAME__PARENT_ID, this.getId()) .append(TOPIC__COLUMN_NAME__GENERATION_TIME, this.getGenerationTime()) .append(TOPIC__COLUMN_NAME__TITLE, this.getTitle()) .append(TOPIC__COLUMN_NAME__DESCRIPTION, this.getDescription()).toString(); } @Override public void writeExternal(ObjectOutput out) throws IOException { out.writeLong(this.getId()); out.writeLong(this.getParentId()); out.writeLong(this.getGenerationTime()); out.writeObject(this.getDescription()); out.writeObject(this.getTitle()); } @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { this.setId(in.readLong()); this.setParentId(in.readLong()); this.setGenerationTime(in.readLong()); this.setDescription(String.valueOf(in.readObject())); this.setTitle(String.valueOf(in.readObject())); } }