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

Class DataQuerySpecifications<E extends org.n52.series.db.beans.DatasetEntity>

java.lang.Object

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

org.n52.sensorweb.server.db.query.DataQuerySpecifications<E>

public final class DataQuerySpecifications<E extends org.n52.series.db.beans.DatasetEntity>
extends QuerySpecifications

Field Summary

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

dbQuery, entityManager

Method Summary

Modifier and Type	Method	Description
BigDecimal	average(org.n52.series.db.beans.DatasetEntity dataset, javax.persistence.EntityManager entityManager)
Long	count(org.n52.series.db.beans.DatasetEntity dataset, javax.persistence.EntityManager entityManager)
Optional<org.n52.series.db.beans.DataEntity>	matchClosestAfterEnd(org.n52.series.db.beans.DatasetEntity dataset, javax.persistence.EntityManager entityManager)
Optional<org.n52.series.db.beans.DataEntity>	matchClosestBeforeStart(org.n52.series.db.beans.DatasetEntity dataset, javax.persistence.EntityManager entityManager)
org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity>	matchDatasets()	Matches data of datasets with given ids.
org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity>	matchDatasets(String... ids)	Matches data of datasets with given ids.
org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity>	matchDatasets(Collection<String> ids)	Matches data of datasets with given ids.
Optional<org.n52.series.db.beans.DataEntity>	matchEnd(org.n52.series.db.beans.DatasetEntity dataset, javax.persistence.EntityManager entityManager)
org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity>	matchesSpatially()	Matches datasets which have a feature laying within the given bbox using an intersects query.
org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity>	matchFilters()	Aggregates following filters in an AND expression: matchDatasets() matchTimespan() matchIsNotDeleted() matchParentsIsNull() matchesSpatially()
org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity>	matchFiltersParentsNotNull()	Aggregates following filters in an AND expression: matchDatasets() matchTimespan() matchIsNotDeleted() matchParentsIsNull() matchesSpatially()
org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity>	matchIsNotDeleted()
org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity>	matchParentsIsNotNull()	Matches entities so that parent is not null.
org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity>	matchParentsIsNull()	Matches entities so that parent is null.
Optional<org.n52.series.db.beans.DataEntity>	matchStart(org.n52.series.db.beans.DatasetEntity dataset, javax.persistence.EntityManager entityManager)
org.n52.series.db.beans.DataEntity	max(org.n52.series.db.beans.DatasetEntity dataset, javax.persistence.EntityManager entityManager)
org.n52.series.db.beans.DataEntity	min(org.n52.series.db.beans.DatasetEntity dataset, javax.persistence.EntityManager entityManager)
static <E> DataQuerySpecifications	of(DbQuery query)

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 <E> DataQuerySpecifications of(DbQuery query)

matchFilters

public org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity> matchFilters()

Aggregates following filters in an AND expression:

• matchDatasets()
• matchTimespan()
• matchIsNotDeleted()
• matchParentsIsNull()
• matchesSpatially()

Returns:

a boolean expression matching all filter criteria

matchFiltersParentsNotNull

public org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity> matchFiltersParentsNotNull()

Aggregates following filters in an AND expression:

• matchDatasets()
• matchTimespan()
• matchIsNotDeleted()
• matchParentsIsNull()
• matchesSpatially()

Returns:

a boolean expression matching all filter criteria

matchIsNotDeleted

public org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity> matchIsNotDeleted()

matchParentsIsNull

public org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity> matchParentsIsNull()

Matches entities so that parent is null.

Returns:

a boolean expression

matchParentsIsNotNull

public org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity> matchParentsIsNotNull()

Matches entities so that parent is not null.

Returns:

a boolean expression

matchDatasets

public org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity> matchDatasets()

Matches data of datasets with given ids.

Returns:

a boolean expression

See Also:

matchDatasets(Collection)

matchDatasets

public org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity> matchDatasets(String... ids)

Matches data of datasets with given ids.

Parameters:

ids - the ids to match

Returns:

a boolean expression

See Also:

matchDatasets(Collection)

matchDatasets

public org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity> matchDatasets(Collection<String> ids)

Matches data of datasets with given ids. For example:

  where dataset.id in (<ids>)
 

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

  where dataset.identifier in (<ids>)
 

Parameters:

ids - the ids to match

Returns:

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

matchStart

public Optional<org.n52.series.db.beans.DataEntity> matchStart(org.n52.series.db.beans.DatasetEntity dataset,
                                                               javax.persistence.EntityManager entityManager)

matchEnd

public Optional<org.n52.series.db.beans.DataEntity> matchEnd(org.n52.series.db.beans.DatasetEntity dataset,
                                                             javax.persistence.EntityManager entityManager)

matchClosestBeforeStart

public Optional<org.n52.series.db.beans.DataEntity> matchClosestBeforeStart(org.n52.series.db.beans.DatasetEntity dataset,
                                                                            javax.persistence.EntityManager entityManager)

matchClosestAfterEnd

public Optional<org.n52.series.db.beans.DataEntity> matchClosestAfterEnd(org.n52.series.db.beans.DatasetEntity dataset,
                                                                         javax.persistence.EntityManager entityManager)

count

public Long count(org.n52.series.db.beans.DatasetEntity dataset,
                  javax.persistence.EntityManager entityManager)

min

public org.n52.series.db.beans.DataEntity min(org.n52.series.db.beans.DatasetEntity dataset,
                                              javax.persistence.EntityManager entityManager)

max

public org.n52.series.db.beans.DataEntity max(org.n52.series.db.beans.DatasetEntity dataset,
                                              javax.persistence.EntityManager entityManager)

average

public BigDecimal average(org.n52.series.db.beans.DatasetEntity dataset,
                          javax.persistence.EntityManager entityManager)

matchesSpatially

public org.springframework.data.jpa.domain.Specification<org.n52.series.db.beans.DataEntity> matchesSpatially()

Matches datasets which have a feature laying within the given bbox using an intersects query. For example:

   where ST_INTERSECTS(feature.geom, <filter_geometry>)=1
 

Returns:

a boolean expression or null when given spatial filter is null or empty