UsagePointServiceImpl.java

/*
 * Copyright 2013, 2014, 2015 EnergyOS.org
 *
 *    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.energyos.espi.common.service.impl;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

import org.energyos.espi.common.domain.RetailCustomer;
import org.energyos.espi.common.domain.Subscription;
import org.energyos.espi.common.domain.UsagePoint;
import org.energyos.espi.common.models.atom.EntryType;
import org.energyos.espi.common.repositories.ResourceRepository;
import org.energyos.espi.common.repositories.UsagePointRepository;
import org.energyos.espi.common.service.ImportService;
import org.energyos.espi.common.service.ResourceService;
import org.energyos.espi.common.service.UsagePointService;
import org.energyos.espi.common.utils.EntryTypeIterator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.sun.syndication.io.FeedException;

@Service
@Transactional(rollbackFor = { javax.xml.bind.JAXBException.class }, noRollbackFor = {
		javax.persistence.NoResultException.class,
		org.springframework.dao.EmptyResultDataAccessException.class })
public class UsagePointServiceImpl implements UsagePointService {

	@Autowired
	private UsagePointRepository usagePointRepository;

	@Autowired
	private ImportService importService;

	@Autowired
	private ResourceRepository repository;

	@Autowired
	private ResourceService resourceService;

	public void setImportService(ImportService importService) {
		this.importService = importService;
	}

	public ImportService getImportService() {
		return importService;
	}

	public void setRepository(UsagePointRepository usagePointRepository) {
		this.usagePointRepository = usagePointRepository;
	}

	public UsagePointRepository getRepository() {
		return usagePointRepository;
	}

	public void setResourceService(ResourceService resourceService) {
		this.resourceService = resourceService;
	}

	public ResourceService getResourceService() {
		return resourceService;
	}

	@Override
	public List<UsagePoint> findAllByRetailCustomer(RetailCustomer customer) {
		return usagePointRepository.findAllByRetailCustomerId(customer.getId());
	}

	@Override
	public UsagePoint findById(Long usagePointId) {
		return this.usagePointRepository.findById(usagePointId);
	}

	@Override
	public UsagePoint findById(Long retailCustomerId, Long usagePointId) {
		// TODO: if needed, this needs to be scoped down to the RetailCustomer
		// collection
		return this.usagePointRepository.findById(usagePointId);
	}

	@Override
	public void persist(UsagePoint up) {
		this.usagePointRepository.persist(up);
	}

	@Override
	public void createOrReplaceByUUID(UsagePoint usagePoint) {
		usagePointRepository.createOrReplaceByUUID(usagePoint);
	}

	@Override
	public void associateByUUID(RetailCustomer retailCustomer, UUID uuid) {
		usagePointRepository.associateByUUID(retailCustomer, uuid);
	}

	@Override
	public UsagePoint findByUUID(UUID uuid) {
		return usagePointRepository.findByUUID(uuid);
	}

	@Override
	public UsagePoint findByHashedId(String usagePointHashedId) {
		return findByUUID(UUID.fromString(usagePointHashedId));
	}

	@Override
	public List<UsagePoint> findAllUpdatedFor(Subscription subscription) {
		return usagePointRepository.findAllUpdatedFor(subscription);
	}

	@Override
	public void deleteByHashedId(String usagePointHashedId) {
		UsagePoint usagePoint = findByHashedId(usagePointHashedId);
		if (usagePoint != null) {
			usagePointRepository.deleteById(usagePoint.getId());
		}
	}

	@Override
	public List<Long> findAllIdsForRetailCustomer(Long retailCustomerId) {
		return usagePointRepository
				.findAllIdsForRetailCustomer(retailCustomerId);
	}

	@Override
	public String feedFor(List<UsagePoint> usagePoints) throws FeedException {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public String entryFor(UsagePoint usagePoint) {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public List<UsagePoint> findAllByRetailCustomer(Long retailCustomerId) {
		return usagePointRepository.findAllByRetailCustomerId(retailCustomerId);
	}

	@Override
	public void add(UsagePoint usagePoint) {
		// TODO Auto-generated method stub
	}

	@Override
	public void delete(UsagePoint usagePoint) {

		usagePointRepository.deleteById(usagePoint.getId());

	}

	@Override
	public UsagePoint importResource(InputStream stream) {

		UsagePoint usagePoint = null;
		try {
			importService.importData(stream, null);
			usagePoint = importService.getEntries().get(0).getContent()
					.getUsagePoint();

		} catch (Exception e) {

		}
		return usagePoint;
	}

	@Override
	public EntryType findEntryType(Long retailCustomerId, Long usagePointId) {
		EntryType result = null;
		try {
			// TODO - this is sub-optimal (but defers the need to understand
			// creation of an EntryType
			List<Long> temp = new ArrayList<Long>();
			temp.add(usagePointId);
			findAllIdsForRetailCustomer(retailCustomerId);
			result = (new EntryTypeIterator(resourceService, temp,
					UsagePoint.class)).next();
		} catch (Exception e) {
			// TODO need a log file entry as we are going to return a null if
			// it's not found
			result = null;
		}
		return result;
	}

	@Override
	public EntryTypeIterator findEntryTypeIterator() {
		EntryTypeIterator result = null;
		try {
			// TODO - this is sub-optimal (but defers the need to understand
			// creation of an EntryType
			List<Long> temp = new ArrayList<Long>();
			temp = usagePointRepository.findAllIds();
			result = new EntryTypeIterator(resourceService, temp,
					UsagePoint.class);
		} catch (Exception e) {
			// TODO need a log file entry as we are going to return a null if
			// it's not found
			result = null;
		}
		return result;
	}

	@Override
	public EntryType findEntryType(Long usagePointId) {
		EntryType result = null;
		try {
			// TODO - this is sub-optimal (but defers the need to understan
			// creation of an EntryType
			List<Long> temp = new ArrayList<Long>();
			temp = usagePointRepository.findAllIds();
			result = (new EntryTypeIterator(resourceService, temp,
					UsagePoint.class)).nextEntry(UsagePoint.class);
		} catch (Exception e) {
			// TODO need a log file entry as we are going to return a null if
			// it's not found
			result = null;
		}
		return result;
	}

	@Override
	public EntryTypeIterator findEntryTypeIterator(Long retailCustomerId) {
		EntryTypeIterator result = null;
		try {
			List<Long> allIdsForRetailCustomer = findAllIdsForRetailCustomer(retailCustomerId);
			result = new EntryTypeIterator(resourceService,
					allIdsForRetailCustomer, UsagePoint.class);
		} catch (Exception e) {
			// TODO need a log file entry as we are going to return a null if
			// it's not found

			result = null;
		}
		return result;
	}

	@Override
	public EntryTypeIterator findEntryTypeIterator(Long retailCustomerId,
			Long usagePointId) {
		EntryTypeIterator result = null;
		List<Long> temp = new ArrayList<Long>();
		temp.add(usagePointId);
		try {
			// make the call to insure it is a valid usagePointId
			resourceService.findIdByXPath(retailCustomerId, usagePointId,
					UsagePoint.class);
			result = (new EntryTypeIterator(resourceService, temp,
					UsagePoint.class));
		} catch (Exception e) {
			System.out
					.printf("****UsagePointService: Seraching for an invalide UsagePointId - %d: %s\n",
							usagePointId, e.toString());
			result = null;
		}
		return result;
	}
}