Package de.dlr.proseo.model.service

Class ProductQueryService

java.lang.Object

de.dlr.proseo.model.service.ProductQueryService

@Service
public class ProductQueryService
extends Object

Service class to execute a product query on the prosEO database

Author:

Dr. Thomas Bassler

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FACILITY_QUERY_SQL
static final String	FACILITY_QUERY_SQL_SUBSELECT

Constructor Summary

Constructors

Constructor	Description
ProductQueryService()

Method Summary

Modifier and Type	Method	Description
boolean	executeQuery(ProductQuery productQuery, boolean checkOnly)	Execute the query of the given product query and check additional conditions (e. g. selection time interval coverage).
Map<String,String>	getProductColumnMapping()	Provides a mapping of Product attributes to SQL column names

Methods inherited from class java.lang.Object

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

Field Details

FACILITY_QUERY_SQL

public static final String FACILITY_QUERY_SQL

See Also:

• Constant Field Values

FACILITY_QUERY_SQL_SUBSELECT

public static final String FACILITY_QUERY_SQL_SUBSELECT

Constructor Details

ProductQueryService

public ProductQueryService()

Method Details

getProductColumnMapping

public Map<String,String> getProductColumnMapping()

Provides a mapping of Product attributes to SQL column names

Returns:

the attribute mapping

executeQuery

public boolean executeQuery(ProductQuery productQuery,
 boolean checkOnly)
                     throws IllegalArgumentException

Execute the query of the given product query and check additional conditions (e. g. selection time interval coverage). If successful, the query and its satisfying products are updated (these updates must be persisted by the calling method).

Parameters:

productQuery - the product query to execute

checkOnly - indicates whether to store check result and satisfying products for future reference

Returns:

true, if the query is satisfied (its list of satisfying products will then be set, unless checkOnly is true), false otherwise

Throws:

IllegalArgumentException - if the product query is incomplete