ClubhelperModel/src/main/java/de/kreth/clubhelper/model/data/BaseEntity.java

package de.kreth.clubhelper.model.data;

import java.util.Date;

import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

@MappedSuperclass
public abstract class BaseEntity implements EntityAccessor {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private int id;

    @Temporal(TemporalType.TIMESTAMP)
    private Date changed;

    @Temporal(TemporalType.TIMESTAMP)
    private Date created;

    @Temporal(TemporalType.TIMESTAMP)
    private Date deleted;

    public Date getChanged() {
	if (changed == null) {
	    return null;
	}
	return new Date(this.changed.getTime());
    }

    @Override
    public void setChanged(Date changed) {
	this.changed = new Date(changed.getTime());
    }

    public Date getCreated() {
	if (created == null) {
	    return null;
	}
	return new Date(this.created.getTime());
    }

    @Override
    public void setCreated(Date created) {
	this.created = new Date(created.getTime());
    }

    public Date getDeleted() {
	if (deleted == null) {
	    return null;
	}
	return new Date(this.deleted.getTime());
    }

    public void setDeleted(Date deleted) {
	this.deleted = new Date(deleted.getTime());
    }

    @Override
    public Integer getId() {
	return id;
    }

    public void setId(int id) {
	this.id = id;
    }

    @Override
    public boolean hasValidId() {
	return id > 0;
    }

    @Override
    public int hashCode() {
	final int prime = 31;
	int result = 1;
	result = prime * result + ((changed == null) ? 0 : changed.hashCode());
	result = prime * result + ((created == null) ? 0 : created.hashCode());
	result = prime * result + ((deleted == null) ? 0 : deleted.hashCode());
	result = prime * result + id;
	return result;
    }

    @Override
    public boolean equals(Object obj) {
	if (this == obj) {
	    return true;
	}
	if (obj == null) {
	    return false;
	}
	if (getClass() != obj.getClass()) {
	    return false;
	}
	BaseEntity other = (BaseEntity) obj;
	if (deleted == null) {
	    if (other.deleted != null) {
		return false;
	    }
	} else if (!deleted.equals(other.deleted)) {
	    return false;
	}
	if (id != other.id) {
	    return false;
	}
	return true;
    }

    @Override
    public String toString() {
	StringBuilder stringBuilder = new StringBuilder();
	stringBuilder.append("BaseEntity [id=");
	stringBuilder.append(id);
	stringBuilder.append(", changed=");
	stringBuilder.append(changed);
	if (deleted != null) {
	    stringBuilder.append(", deleted=");
	    stringBuilder.append(deleted);
	}
	stringBuilder.append("]");
	return stringBuilder.toString();
    }

}