com.fivefaces.cloud.warehouse.WarehouseServiceImpl Maven / Gradle / Ivy

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cloud server for Five Faces
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package com.fivefaces.cloud.warehouse;

import com.fivefaces.cloud.warehouse.repository.WarehouseRepository;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Profile;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Set;

@Slf4j
@Service
@Profile("WAREHOUSE_AWS_MYSQL")
@Transactional(transactionManager = "warehouseTransactionManager")
public class WarehouseServiceImpl implements WarehouseService {

    private final WarehouseUtils warehouseUtils;
    private final WarehouseRepository warehouseRepository;


    public WarehouseServiceImpl(WarehouseRepository warehouseRepository, WarehouseUtils warehouseUtils) {
        this.warehouseRepository = warehouseRepository;
        this.warehouseUtils = warehouseUtils;
    }

    @Override
    public void recordWarehouseEntry(final String previousRecord,
                                     final String updatedRecord,
                                     final String id,
                                     final String destinationTable,
                                     Set primaryUpdates) throws Exception {
        try {
            if (previousRecord == null) {
                log.info("No previous record so doing an insert");
                warehouseRepository.execute(warehouseRepository.generateInsertStatement(updatedRecord, destinationTable), updatedRecord);
            } else {
                boolean isPrimaryUpdate = warehouseUtils.isPrimaryUpdate(previousRecord, updatedRecord, primaryUpdates);
                if (isPrimaryUpdate) {
                    log.info("Is a primary update");
                    warehouseRepository.execute(warehouseRepository.generateTieOffUpdateStatement(id, destinationTable));
                    warehouseRepository.execute(warehouseRepository.generateInsertStatement(updatedRecord, destinationTable), updatedRecord);
                } else {
                    log.info("Is a secondary update");
                    final String secondarySQL = warehouseRepository.generateSecondaryUpdateStatement(previousRecord, updatedRecord, id, destinationTable);
                    if (secondarySQL != null) {
                        warehouseRepository.execute(warehouseRepository.generateSecondaryUpdateStatement(previousRecord, updatedRecord, id, destinationTable), updatedRecord);
                    }
                }
            }
        } catch (Exception sqlException) {
            log.info(sqlException.getMessage());
            throw new Exception(sqlException);
        }
    }

    @Override
    public void recordWarehouseDeletionEntry(final String id, final String destinationTable) throws Exception {

        try {
            warehouseRepository.execute(warehouseRepository.generateTieOffUpdateStatement(id, destinationTable));
        } catch (Exception sqlException) {
            log.info(sqlException.getMessage());
            throw new Exception(sqlException);
        }
    }

    @Override
    public void createTable(final String json, final String destinationTable) {
        warehouseRepository.createTable(json, destinationTable);
    }
}