org.n52.series.db.dao

Class DataDao<T extends DataEntity>

java.lang.Object

org.n52.series.db.dao.AbstractDao<T>

org.n52.series.db.dao.DataDao<T>

Type Parameters:

T - the data entity type

All Implemented Interfaces:

GenericDao<T,java.lang.Long>

@Transactional
public class DataDao<T extends DataEntity>
extends AbstractDao<T>

TODO: JavaDoc

Field Summary

Fields inherited from class org.n52.series.db.dao.AbstractDao

session

Constructor Summary

Constructors

Constructor and Description
DataDao(org.hibernate.Session session)
DataDao(org.hibernate.Session session, java.lang.Class<T> clazz)

Method Summary

Modifier and Type	Method and Description
java.util.List<T>	getAllInstances(DbQuery parameters) Retrieves all available observation instances.
java.util.List<T>	getAllInstancesFor(DatasetEntity series, DbQuery query) Retrieves all available observation instances belonging to a particular series.
T	getClosestOuterNextValue(DatasetEntity dataset, org.joda.time.DateTime upperBound, DbQuery query)
T	getClosestOuterPreviousValue(DatasetEntity dataset, org.joda.time.DateTime lowerBound, DbQuery query)
protected java.lang.String	getDatasetProperty()
T	getDataValueViaTimeend(DatasetEntity series, DbQuery query)
T	getDataValueViaTimestart(DatasetEntity series, DbQuery query)
org.hibernate.Criteria	getDefaultCriteria(DbQuery query)
protected java.lang.Class<T>	getEntityClass()
T	getInstance(java.lang.Long key, DbQuery parameters)
GeometryEntity	getValueGeometryViaTimeend(DatasetEntity series, DbQuery query)

Methods inherited from class org.n52.series.db.dao.AbstractDao

addDatasetFilters, addGeometryTypeFilter, addPlatformTypeFilter, addSpatialFilter, addValueTypeFilter, createPublishedDatasetFilter, getCount, getDefaultAlias, getDefaultCriteria, getDefaultCriteria, getInstance, getInstance, getInstance, hasInstance, hasInstance, hasInstance, hasInstance, i18n, toSQLString

Methods inherited from class java.lang.Object

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

Constructor Detail

DataDao

public DataDao(org.hibernate.Session session)

DataDao

public DataDao(org.hibernate.Session session,
               java.lang.Class<T> clazz)

Method Detail

getInstance

public T getInstance(java.lang.Long key,
                     DbQuery parameters)
              throws DataAccessException

Specified by:

getInstance in interface GenericDao<T extends DataEntity,java.lang.Long>

Overrides:

getInstance in class AbstractDao<T extends DataEntity>

Throws:

DataAccessException

getAllInstances

public java.util.List<T> getAllInstances(DbQuery parameters)
                                  throws DataAccessException

Retrieves all available observation instances.

Parameters:

parameters - query parameters.

Returns:

all instances matching the given query parameters.

Throws:

DataAccessException - if accessing database fails.

getAllInstancesFor

public java.util.List<T> getAllInstancesFor(DatasetEntity series,
                                            DbQuery query)
                                     throws DataAccessException

Retrieves all available observation instances belonging to a particular series.

Parameters:

series - the series the observations belongs to.

query - some query parameters to restrict result.

Returns:

all observation entities belonging to the given series which match the given query.

Throws:

DataAccessException - if accessing database fails.

getClosestOuterPreviousValue

public T getClosestOuterPreviousValue(DatasetEntity dataset,
                                      org.joda.time.DateTime lowerBound,
                                      DbQuery query)

getClosestOuterNextValue

public T getClosestOuterNextValue(DatasetEntity dataset,
                                  org.joda.time.DateTime upperBound,
                                  DbQuery query)

getEntityClass

protected java.lang.Class<T> getEntityClass()

Specified by:

getEntityClass in class AbstractDao<T extends DataEntity>

getDatasetProperty

protected java.lang.String getDatasetProperty()

Specified by:

getDatasetProperty in class AbstractDao<T extends DataEntity>

getDefaultCriteria

public org.hibernate.Criteria getDefaultCriteria(DbQuery query)

Overrides:

getDefaultCriteria in class AbstractDao<T extends DataEntity>

getDataValueViaTimeend

public T getDataValueViaTimeend(DatasetEntity series,
                                DbQuery query)

getDataValueViaTimestart

public T getDataValueViaTimestart(DatasetEntity series,
                                  DbQuery query)

getValueGeometryViaTimeend

public GeometryEntity getValueGeometryViaTimeend(DatasetEntity series,
                                                 DbQuery query)