Example usage for org.springframework.data.domain PageRequest getOffset

Introduction

In this page you can find the example usage for org.springframework.data.domain PageRequest getOffset.

Prototype

public long getOffset() 

Source Link

Usage

From source file:com.alliander.osgp.adapter.ws.core.application.services.DeviceManagementService.java

@Transactional(value = "transactionManager")
public Page<Event> findEvents(@Identification final String organisationIdentification,
        final String deviceIdentification, final Integer pageSize, final Integer pageNumber,
        final DateTime from, final DateTime until, final List<EventType> eventTypes)
        throws FunctionalException {

    LOGGER.debug("findEvents called for organisation {} and device {}", organisationIdentification,
            deviceIdentification);/*from  w w w . j  av  a2s. co m*/

    final Organisation organisation = this.domainHelperService.findOrganisation(organisationIdentification);

    this.pagingSettings.updatePagingSettings(pageSize, pageNumber);

    final PageRequest request = new PageRequest(this.pagingSettings.getPageNumber(),
            this.pagingSettings.getPageSize(), Sort.Direction.DESC, "dateTime");

    Specifications<Event> specifications = null;

    try {
        if (deviceIdentification != null && !deviceIdentification.isEmpty()) {
            final Device device = this.domainHelperService.findDevice(deviceIdentification);
            this.domainHelperService.isAllowed(organisation, device, DeviceFunction.GET_EVENT_NOTIFICATIONS);

            specifications = where(this.eventSpecifications.isFromDevice(device));
        } else {
            specifications = where(this.eventSpecifications.isAuthorized(organisation));
        }

        if (from != null) {
            specifications = specifications.and(this.eventSpecifications.isCreatedAfter(from.toDate()));
        }

        if (until != null) {
            specifications = specifications.and(this.eventSpecifications.isCreatedBefore(until.toDate()));
        }

        if (eventTypes != null && !eventTypes.isEmpty()) {
            specifications = specifications.and(this.eventSpecifications.hasEventTypes(eventTypes));
        }
    } catch (final ArgumentNullOrEmptyException e) {
        throw new FunctionalException(FunctionalExceptionType.ARGUMENT_NULL, ComponentType.WS_CORE, e);
    }

    LOGGER.debug("request offset     : {}", request.getOffset());
    LOGGER.debug("        pageNumber : {}", request.getPageNumber());
    LOGGER.debug("        pageSize   : {}", request.getPageSize());
    LOGGER.debug("        sort       : {}", request.getSort());

    return this.eventRepository.findAll(specifications, request);
}

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