Comment.java

/**
 * Copyright 2010 JBoss Inc
 *
 * 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 org.jbpm.task;

import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Date;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

@Entity
@Table(name = "JBPM_TASK_COMMENT")
public class Comment implements Externalizable {
	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	private long id;

	@Lob
	private String text;

	@ManyToOne()
	private User addedBy;

	private Date addedAt;

	public void writeExternal(final ObjectOutput out) throws IOException {
		out.writeLong(id);
		out.writeUTF(text);
		addedBy.writeExternal(out);
		out.writeLong(addedAt.getTime());
	}

	public void readExternal(final ObjectInput in) throws IOException,
			ClassNotFoundException {
		id = in.readLong();
		text = in.readUTF();
		addedBy = new User();
		addedBy.readExternal(in);
		addedAt = new Date(in.readLong());
	}

	public Long getId() {
		return id;
	}

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

	public String getText() {
		return text;
	}

	public void setText(final String text) {
		this.text = text;
	}

	public Date getAddedAt() {
		return addedAt;
	}

	public void setAddedAt(final Date addedDate) {
		this.addedAt = addedDate;
	}

	public User getAddedBy() {
		return addedBy;
	}

	public void setAddedBy(final User addedBy) {
		this.addedBy = addedBy;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((addedBy == null) ? 0 : addedBy.hashCode());
		result = prime * result + ((addedAt == null) ? 0 : addedAt.hashCode());
		result = prime * result + ((text == null) ? 0 : text.hashCode());
		return result;
	}

	@Override
	public boolean equals(final Object obj) {
		if (this == obj) {
			return true;
		}
		if (obj == null) {
			return false;
		}
		if (!(obj instanceof Comment)) {
			return false;
		}
		final Comment other = (Comment) obj;
		if (addedBy == null) {
			if (other.addedBy != null) {
				return false;
			}
		} else if (!addedBy.equals(other.addedBy)) {
			return false;
		}
		if (addedAt == null) {
			if (other.addedAt != null) {
				return false;
			}
		} else if (addedAt.getTime() != other.addedAt.getTime()) {
			return false;
		}
		if (text == null) {
			if (other.text != null) {
				return false;
			}
		} else if (!text.equals(other.text)) {
			return false;
		}
		return true;
	}

}