public class SavedQueryPredicate extends PredicateGroupEvaluator
SavedQueryPredicate
includes all predicates of a saved query
into the current query. No extra query is run, instead the final xpath query
expression will contain the merge of the all predicates of the current query
plus all predicates from the saved query.
Please note that there won't be any facet extraction happening for the predicates from the saved query. To do so, you can write custom code that first loads the query and executes it directly.
Modifier and Type | Field and Description |
---|---|
QueryBuilder |
queryBuilder |
static String |
SAVED_QUERY |
Constructor and Description |
---|
SavedQueryPredicate() |
Modifier and Type | Method and Description |
---|---|
boolean |
canFilter(Predicate p,
EvaluationContext context)
Returns the same as the deprecated
AbstractPredicateEvaluator.isFiltering(Predicate, EvaluationContext) method (ie. |
boolean |
canXpath(Predicate p,
EvaluationContext context)
Returns the inverted boolean value of the deprecated
AbstractPredicateEvaluator.isFiltering(Predicate, EvaluationContext) method (ie. |
String |
getXPathExpression(Predicate p,
EvaluationContext context)
Default implementation that always returns
null , ie. |
boolean |
includes(Predicate p,
Row row,
EvaluationContext context)
Default implementation that always returns
true , ie. |
getFacetExtractor, listFilteringPredicates
getOrderByComparator, getOrderByProperties, isFiltering
public static final String SAVED_QUERY
public QueryBuilder queryBuilder
public String getXPathExpression(Predicate p, EvaluationContext context)
AbstractPredicateEvaluator
null
, ie. adds
nothing to the XPath query. Subclasses can choose whether they want to
implement this method or use the
AbstractPredicateEvaluator.includes(Predicate, Row, EvaluationContext)
method for advanced
filtering (or both).getXPathExpression
in interface PredicateEvaluator
getXPathExpression
in class PredicateGroupEvaluator
p
- predicate (for this evaluator type) which is evaluatedcontext
- helper class which provides access to various elements of the
query evaluationpublic boolean includes(Predicate p, Row row, EvaluationContext context)
AbstractPredicateEvaluator
true
, ie. it does
not "touch" the result set at all.includes
in interface PredicateEvaluator
includes
in class PredicateGroupEvaluator
p
- predicate (for this evaluator type) which is evaluatedrow
- current row of the result set returned through the xpath querycontext
- helper class which provides access to various elements of the
query evaluationtrue
if this row should be part of the final result
set, false
if it should be droppedpublic boolean canXpath(Predicate p, EvaluationContext context)
AbstractPredicateEvaluator
AbstractPredicateEvaluator.isFiltering(Predicate, EvaluationContext)
method (ie. if not
overridden, true
).canXpath
in interface PredicateEvaluator
canXpath
in class PredicateGroupEvaluator
p
- predicate (for this evaluator type) which is evaluatedcontext
- helper class which provides access to various elements of the
query evaluationtrue
if this evaluator can express itself via xpath,
ie. PredicateEvaluator.getXPathExpression(Predicate, EvaluationContext)
public boolean canFilter(Predicate p, EvaluationContext context)
AbstractPredicateEvaluator
AbstractPredicateEvaluator.isFiltering(Predicate, EvaluationContext)
method (ie. if not
overridden, false
).canFilter
in interface PredicateEvaluator
canFilter
in class PredicateGroupEvaluator
p
- predicate (for this evaluator type) which is evaluatedcontext
- helper class which provides access to various elements of the
query evaluationtrue
if this evaluator can be express itself via
filtering, ie.
PredicateEvaluator.includes(Predicate, Row, EvaluationContext)
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