/**
 * DynamicReports - Free Java reporting library for creating reports dynamically
 *
 * Copyright (C) 2010 - 2012 Ricardo Mariaca
 * http://dynamicreports.sourceforge.net
 *
 * This file is part of DynamicReports.
 *
 * DynamicReports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * DynamicReports 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with DynamicReports. If not, see <http://www.gnu.org/licenses/>.
 */

package net.sf.dynamicreports.report.builder.condition;

import net.sf.dynamicreports.report.base.expression.AbstractSimpleExpression;
import net.sf.dynamicreports.report.constant.Constants;
import net.sf.dynamicreports.report.definition.DRIValue;
import net.sf.dynamicreports.report.definition.ReportParameters;

import org.apache.commons.lang3.Validate;

/**
 * @author Ricardo Mariaca (dynamicreports@gmail.com)
 */
public class UnEqualExpression extends AbstractSimpleExpression<Boolean> {
	private static final long serialVersionUID = Constants.SERIAL_VERSION_UID;

	private DRIValue<?> value;
	private Object[] values;

	public <T> UnEqualExpression(DRIValue<T> value, T ...values) {
		Validate.notNull(value, "value must not be null");
		Validate.noNullElements(values, "values must not contains null value");
		this.value = value;
		this.values = values;
	}

	@Override
	public Boolean evaluate(ReportParameters reportParameters) {
		Object actualValue = reportParameters.getValue(value);
		for (Object value : values) {
			if (value.equals(actualValue)) {
				return false;
			}
		}
		return true;
	}

	@Override
	public Class<Boolean> getValueClass() {
		return Boolean.class;
	}
}
