/*
 * Copyright 2006-2007 the original author or authors.
 *
 * 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.springframework.batch.sample.item.writer;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.batch.item.AbstractItemWriter;
import org.springframework.batch.sample.dao.TradeDao;
import org.springframework.batch.sample.domain.Trade;

public class TradeWriter extends AbstractItemWriter {
    private static Log log = LogFactory.getLog(TradeWriter.class);
    private TradeDao dao;
    
    private int failure = -1;
    
    private int index = 0;
    
    /**
	 * Public setter for the {@link int} property.
	 *
	 * @param failure the failure to set
	 */
	public void setFailure(int failure) {
		this.failure = failure;
	}

    public void write(Object data) {
        if (!(data instanceof Trade)) {
            log.warn("TradeProcessor can process only Trade objects, skipping record");

            return;
        }

        Trade trade = (Trade) data;
        log.debug(data);

        //TODO put some processing of the trade object here
        dao.writeTrade(trade);
        
        if(index++ == failure) {
        	throw new RuntimeException("Something unexpected happened!");
        }
        
        
    }

    public void setDao(TradeDao dao) {
        this.dao = dao;
    }
}
