Package org.n52.sensorweb.server.db.query

Class ServiceQuerySpecifications

java.lang.Object

org.n52.sensorweb.server.db.query.QuerySpecifications

org.n52.sensorweb.server.db.query.ParameterQuerySpecifications

org.n52.sensorweb.server.db.query.ServiceQuerySpecifications

public final class ServiceQuerySpecifications
extends ParameterQuerySpecifications

Field Summary

Fields inherited from class org.n52.sensorweb.server.db.query.QuerySpecifications

dbQuery, entityManager

Method Summary

Modifier and Type	Method	Description
<T extends org.n52.series.db.beans.DescribableEntity> org.springframework.data.jpa.domain.Specification<T>	matchServices(Collection<String> ids)	Matches datasets having service with given ids.
static ServiceQuerySpecifications	of(DbQuery dbQuery)
org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.ServiceEntity>	selectFrom(org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DatasetEntity> filter)	Matches service included in a result of a given filter, i.e.

Methods inherited from class org.n52.sensorweb.server.db.query.ParameterQuerySpecifications

matchServices, matchServices, matchServices, of

Methods inherited from class org.n52.sensorweb.server.db.query.QuerySpecifications

getIdPredicate, getTimespanEnd, getTimespanStart

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

of

public static ServiceQuerySpecifications of(DbQuery dbQuery)

selectFrom

public org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.ServiceEntity> selectFrom(org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DatasetEntity> filter)

Matches service included in a result of a given filter, i.e.

   where id in (select fk_service_id from dataset where <filter>)
 

Parameters:

filter - the query

Returns:

a boolean expression

matchServices

public <T extends org.n52.series.db.beans.DescribableEntity> org.springframework.data.jpa.domain.Specification<T> matchServices(Collection<String> ids)

Description copied from class: ParameterQuerySpecifications

Matches datasets having service with given ids. For example:

  where service.id in (<ids>)
 

In case of DbQuery.isMatchDomainIds() returns true the following query path will be used:

  where service.identifier in (<ids>)
 

Overrides:

matchServices in class ParameterQuerySpecifications

Parameters:

ids - the ids to match

Returns:

a boolean expression or null when given ids are null or empty