/**
 * 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 javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.Table;

@Entity
@Table(name = "JBPM_BOOLEAN_EXPRESSION")
public class BooleanExpression implements Externalizable {
	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	private long id;
	private String type;

	@Lob
	private String expression;

	public BooleanExpression() {

	}

	public void writeExternal(final ObjectOutput out) throws IOException {
		out.writeLong(id);
		out.writeUTF(type);
		out.writeUTF(expression);
	}

	public void readExternal(final ObjectInput in) throws IOException,
			ClassNotFoundException {
		id = in.readLong();
		type = in.readUTF();
		expression = in.readUTF();
	}

	public BooleanExpression(final String type, final String expression) {
		this.type = type;
		this.expression = expression;
	}

	public Long getId() {
		return id;
	}

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

	public String getType() {
		return type;
	}

	public void setType(final String type) {
		this.type = type;
	}

	public String getExpression() {
		return expression;
	}

	public void setExpression(final String expression) {
		this.expression = expression;
	}

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

	@Override
	public boolean equals(final Object obj) {
		if (this == obj) {
			return true;
		}
		if (obj == null) {
			return false;
		}
		if (!(obj instanceof BooleanExpression)) {
			return false;
		}
		final BooleanExpression other = (BooleanExpression) obj;
		if (expression == null) {
			if (other.expression != null) {
				return false;
			}
		} else if (!expression.equals(other.expression)) {
			return false;
		}
		if (type == null) {
			if (other.type != null) {
				return false;
			}
		} else if (!type.equals(other.type)) {
			return false;
		}
		return true;
	}

}