org.openmrs.module.bahmniexports.example.domain.trade.internal.TradeProcessor.java Source code

Introduction

Here is the source code for org.openmrs.module.bahmniexports.example.domain.trade.internal.TradeProcessor.java

Source

/*
 * 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.openmrs.module.bahmniexports.example.domain.trade.internal;

import org.springframework.batch.item.ItemProcessor;
import org.springframework.batch.item.validator.ValidationException;
import org.openmrs.module.bahmniexports.example.domain.trade.Trade;

/**
 * Processes the Trade - throwing validation errors if necessary.
 */
public class TradeProcessor implements ItemProcessor<Trade, Trade> {

    private int failure = -1;

    private int index = 0;

    private Trade failedItem = null;

    /**
     * Public setter for the the index on which failure should occur.
     * 
     * @param failure the failure to set
     */
    public void setValidationFailure(int failure) {
        this.failure = failure;
    }

    @Override
    public Trade process(Trade item) throws Exception {
        if ((failedItem == null && index++ == failure) || (failedItem != null && failedItem.equals(item))) {
            failedItem = item;
            throw new ValidationException("Some bad data for " + failedItem);
        }
        return item;
    }
}