com.c123.billbuddy.events.ProcessingFeeEventContainer.java Source code

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Here is the source code for com.c123.billbuddy.events.ProcessingFeeEventContainer.java

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/***************************************************************************
****
 * Copyright (c) 2013 GigaSpaces Technologies Ltd. and 123Completed Ltd. All rights reserved
 *
 * 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 com.c123.billbuddy.events;

import java.util.Calendar;

import javax.annotation.Resource;

import com.c123.billbuddy.model.Merchant;
import com.c123.billbuddy.model.Payment;
import com.c123.billbuddy.model.ProcessingFee;
import com.c123.billbuddy.model.TransactionStatus;
import com.gigaspaces.document.SpaceDocument;
import com.j_spaces.core.client.SQLQuery;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.openspaces.core.GigaSpace;
import org.openspaces.events.*;
import org.openspaces.events.adapter.SpaceDataEvent;
import org.openspaces.events.polling.Polling;
import org.springframework.beans.factory.annotation.Qualifier;

/** 
 * AuditPaymentEventContainer class. 
 *  
 * Pooling Event starts when new Payment with Transaction status AUDIT written into space.
 * SpaceDataEvent reads Merchant by Id, Contract Document and executing Processing Fee 
 * transaction between Merchant and BillBuddy 
 * 
 * @author 123Completed
 */

@EventDriven
@Polling(gigaSpace = "gigaSpace")
@TransactionalEvent
public class ProcessingFeeEventContainer {
    private final Log log = LogFactory.getLog(ProcessingFeeEventContainer.class);
    @Resource
    @Qualifier(value = "gigaSpace")
    private GigaSpace gigaSpace;

    @EventTemplate
    SQLQuery<Payment> unprocessedData() {
        log.info("Starting ProcessingFeeTransaction EventTemplate for Payment with NEW status.");
        log.info("templete will be more efficient but we use SQLQuery for course training.");

        SQLQuery<Payment> template = new SQLQuery<Payment>(Payment.class, "status = ?");
        template.setParameter(1, TransactionStatus.AUDITED);
        return template;
    }

    @SpaceDataEvent
    public Payment processPayments(Payment payment) {

        log.info("Starting ProcessingFeeTransaction SpaceDataEvent.");

        // Read Merchant Account
        log.info("Read Merchant Id: " + payment.getReceivingMerchantId() + " account.");
        Merchant merchantTemplate = new Merchant();
        merchantTemplate.setMerchantAccountId(payment.getReceivingMerchantId());

        Merchant merchant = gigaSpace.read(merchantTemplate);

        // Read Contract Account
        log.info("Read Contract Id: " + payment.getReceivingMerchantId() + " account.");

        SQLQuery<SpaceDocument> queryContract = new SQLQuery<SpaceDocument>("ContractDocument", "merchantId = ?");
        queryContract.setParameter(1, payment.getReceivingMerchantId());

        SpaceDocument contract = gigaSpace.read(queryContract);

        // Get transactionPrecentFee 
        Double transactionFeeAmount = ((Double) contract.getProperty("transactionPrecentFee"))
                * payment.getPaymentAmount();

        // Withdraw payment amount from merchant account
        updateMerchantBalance(merchant, transactionFeeAmount);

        ProcessingFee processingFee = new ProcessingFee();

        processingFee.setDescription(payment.getDescription());
        processingFee.setDependentPaymentId(payment.getPaymentId());
        processingFee.setPayingAccountId(merchant.getMerchantAccountId());

        processingFee.setAmount(transactionFeeAmount);

        Calendar calendar = Calendar.getInstance();
        calendar.setTimeInMillis(System.currentTimeMillis());
        processingFee.setCreatedDate(calendar.getTime());

        processingFee.setStatus(TransactionStatus.PROCESSED);

        // Write the ProcessingFee object
        gigaSpace.write(processingFee);

        // Set payment status
        payment.setStatus(TransactionStatus.PROCESSED);

        return payment;
    }

    private void updateMerchantBalance(Merchant merchant, Double transactionFeeAmount) {
        log.info("ProcessingFeeTransaction add " + transactionFeeAmount + " from merchant: " + merchant.getName());

        merchant.setFeeAmount(merchant.getFeeAmount() + transactionFeeAmount);

        gigaSpace.write(merchant);

        log.info("ProcessingFeeTransaction updates merchants transactionFeeAmount. Merchant: " + merchant.getName()
                + " new transactionFeeAmount is " + merchant.getFeeAmount());

    }

}