/**
 * AnalyzerBeans
 * Copyright (C) 2014 Neopost - Customer Information Management
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.eobjects.analyzer.job.tasks;

import javax.inject.Inject;

import org.eobjects.analyzer.beans.api.Configured;
import org.eobjects.analyzer.beans.api.OutputColumns;
import org.eobjects.analyzer.beans.api.OutputRowCollector;
import org.eobjects.analyzer.beans.api.Provided;
import org.eobjects.analyzer.beans.api.Transformer;
import org.eobjects.analyzer.beans.api.TransformerBean;
import org.eobjects.analyzer.data.InputColumn;
import org.eobjects.analyzer.data.InputRow;
import org.junit.Ignore;

/**
 * Simple transformer with output row collector, that counts to eg.
 * (1,42)-(2,42)-(3,42), if the input is 3.
 */
@Ignore
@TransformerBean("Mock multi row transformer")
public class MockMultiRowTransformer implements Transformer<Number> {

	@Inject
	@Configured("Count to what?")
	InputColumn<Number> countToColumn;

	@Inject
	@Provided
	OutputRowCollector outputRowCollector;
	
	@Override
	public OutputColumns getOutputColumns() {
		return new OutputColumns(2);
	}

	@Override
	public Number[] transform(InputRow inputRow) {
		Number countTo = inputRow.getValue(countToColumn);
		if (countTo != null) {
			int max = Math.abs(countTo.intValue());
			for (int i = 0; i < max; i++) {
				outputRowCollector.putValues(i + 1, 42);
			}
		}
		return null;
	}

}