package com.tesora.dve.sql.schema.modifiers;

/*
 * #%L
 * Tesora Inc.
 * Database Virtualization Engine
 * %%
 * Copyright (C) 2011 - 2014 Tesora Inc.
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 * 
 * 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 Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */

import com.tesora.dve.sql.node.expression.ExpressionNode;

public class DefaultValueModifier extends ColumnModifier {

	protected ExpressionNode defaultValue;
	
	public DefaultValueModifier(ExpressionNode v) {
		super(ColumnModifierKind.DEFAULTVALUE);
		defaultValue = v;
	}
	
	public ExpressionNode getDefaultValue() {
		return defaultValue;
	}

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

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