Package com.cloud.bridge.persist.dao

Source Code of com.cloud.bridge.persist.dao.OfferingDaoImpl

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// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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,
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package com.cloud.bridge.persist.dao;

import javax.ejb.Local;

import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;

import com.cloud.bridge.model.OfferingBundleVO;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.TransactionLegacy;

@Component
@Local(value = {OfferingDao.class})
public class OfferingDaoImpl extends GenericDaoBase<OfferingBundleVO, Long> implements OfferingDao {
    public static final Logger logger = Logger.getLogger(OfferingDaoImpl.class);

    public OfferingDaoImpl() {
    }

    @Override
    public int getOfferingCount() {
        TransactionLegacy txn = TransactionLegacy.open(TransactionLegacy.AWSAPI_DB);
        try {
            txn.start();
            return listAll().size();
        } finally {
            txn.commit();
            txn.close();
        }

    }

    @Override
    public String getCloudOffering(String amazonEC2Offering) {

        SearchBuilder<OfferingBundleVO> searchByAmazon = createSearchBuilder();
        searchByAmazon.and("AmazonEC2Offering", searchByAmazon.entity().getAmazonOffering(), SearchCriteria.Op.EQ);
        searchByAmazon.done();
        TransactionLegacy txn = TransactionLegacy.open(TransactionLegacy.AWSAPI_DB);
        try {
            txn.start();
            SearchCriteria<OfferingBundleVO> sc = searchByAmazon.create();
            sc.setParameters("AmazonEC2Offering", amazonEC2Offering);
            return findOneBy(sc).getCloudstackOffering();
        } finally {
            txn.commit();
            txn.close();
        }
    }

    @Override
    public String getAmazonOffering(String cloudStackOffering) {

        SearchBuilder<OfferingBundleVO> searchByAmazon = createSearchBuilder();
        searchByAmazon.and("CloudStackOffering", searchByAmazon.entity().getAmazonOffering(), SearchCriteria.Op.EQ);
        searchByAmazon.done();
        TransactionLegacy txn = TransactionLegacy.open(TransactionLegacy.AWSAPI_DB);
        try {
            txn.start();
            SearchCriteria<OfferingBundleVO> sc = searchByAmazon.create();
            sc.setParameters("CloudStackOffering", cloudStackOffering);
            return findOneBy(sc).getAmazonOffering();
        } finally {
            txn.commit();
            txn.close();
        }
    }

    @Override
    public void setOfferMapping(String amazonEC2Offering, String cloudStackOffering) {

        SearchBuilder<OfferingBundleVO> searchByAmazon = createSearchBuilder();
        searchByAmazon.and("CloudStackOffering", searchByAmazon.entity().getAmazonOffering(), SearchCriteria.Op.EQ);
        searchByAmazon.and("AmazonEC2Offering", searchByAmazon.entity().getCloudstackOffering(), SearchCriteria.Op.EQ);
        searchByAmazon.done();
        TransactionLegacy txn = TransactionLegacy.open(TransactionLegacy.AWSAPI_DB);
        OfferingBundleVO offering = null;
        try {
            txn.start();
            SearchCriteria<OfferingBundleVO> sc = searchByAmazon.create();
            sc.setParameters("CloudStackOffering", cloudStackOffering);
            sc.setParameters("AmazonEC2Offering", amazonEC2Offering);
            offering = findOneBy(sc);
            if (null == offering) {
                offering = new OfferingBundleVO();
            }
            offering.setAmazonOffering(amazonEC2Offering);
            offering.setCloudstackOffering(cloudStackOffering);
            if (null == offering)
                offering = persist(offering);
            else
                update(offering.getID(), offering);
            txn.commit();
        } finally {
            txn.close();
        }

    }

    @Override
    public void deleteOfferMapping(String amazonEC2Offering) {
        SearchBuilder<OfferingBundleVO> searchByAmazon = createSearchBuilder();
        searchByAmazon.and("AmazonEC2Offering", searchByAmazon.entity().getAmazonOffering(), SearchCriteria.Op.EQ);
        searchByAmazon.done();
        TransactionLegacy txn = TransactionLegacy.open(TransactionLegacy.AWSAPI_DB);
        try {
            txn.start();
            SearchCriteria<OfferingBundleVO> sc = searchByAmazon.create();
            sc.setParameters("AmazonEC2Offering", amazonEC2Offering);
            remove(sc);
            txn.commit();
        } finally {
            txn.close();
        }
    }

}
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