lumis.portal.bigdata.query

Class SearchQuery

java.lang.Object

lumis.portal.bigdata.query.SearchQuery

@StableMinor(version="12.0",
             sinceVersion="9.0")
public class SearchQuery
extends Object

Represents search criteria used to find matching information by a searcher.

Since:

8.1.0

Version:

$Revision: 23034 $ $Date: 2019-08-05 19:52:47 +0000 (Mon, 05 Aug 2019) $

See Also:

IBigDataSearcher

Constructor Summary

Constructors

Constructor and Description
SearchQuery() Constructs a SearchQuery object with neither user query and attributes.
SearchQuery(String query) Constructs a SearchQuery object with the given user query and no attributes.

Method Summary

Modifier and Type	Method and Description
SearchQuery	addAggregation(IAggregation aggregation) Adds the given aggregation in this search query.
SearchQuery	addAggregations(IAggregation... aggregations) Adds the given aggregations in this search query.
SearchQuery	addAggregations(List<IAggregation> aggregations) Adds the given aggregations in this search query.
SearchQuery	addFieldBoost(DocumentTypeField documentTypeField, float boost) Adds a field boost to search.
SearchQuery	addFieldBoost(String fieldId, float boost) Adds a field boost to search.
SearchQuery	addSort(ISearchQuerySort sort) Adds a sort definition in this search.
List<IAggregation>	getAggregations() Returns an unmodifiable list of the added aggregations.
ISearchQueryFilter	getControlFilter() Returns a query filter to be applied to the search.
Map<DocumentTypeField,Float>	getFieldsBoost() Returns the field boosting configuration.
HighlightConfig	getHighlight() Returns the highlight configuration.
int	getMaxRows() Returns the maximum number of hits to be returned by the query execution.
List<ISearchQuerySort>	getSorts() Returns an unmodifiable list of added sorts.
int	getStartAt() Returns the number of the first hit to be returned by the query execution.
String	getUserQuery() Returns the user query, which is the user-defined portion of the query, usually entered by the final user using front-end interfaces.
SearchQuery	setControlFilter(ISearchQueryFilter controlFilter) Sets the query filter to be applied to the search.
SearchQuery	setHighlight(HighlightConfig highlight) Sets the highlight configuration.
SearchQuery	setMaxRows(int maxRows) Sets the maximum number of hits.
SearchQuery	setStartAt(int startAt) Sets the number of the first hit. This number is 1-based (the first result is the result number 1).
SearchQuery	setUserQuery(String query) Sets the user query.

Methods inherited from class java.lang.Object

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

Constructor Detail

SearchQuery

public SearchQuery()

Constructs a SearchQuery object with neither user query and attributes.

Since:

8.1.0

SearchQuery

public SearchQuery(String query)

Constructs a SearchQuery object with the given user query and no attributes.

Parameters:

query - {@link #getUserQuery() user query

Since:

8.1.0

Method Detail

getUserQuery

public String getUserQuery()

Returns the user query, which is the user-defined portion of the query, usually entered by the final user using front-end interfaces.

The searcher can and usually perform a tokenization in the user query in the same way they do in the contents during the indexing process.

Returns:

the user query

Since:

8.1.0

setUserQuery

public SearchQuery setUserQuery(String query)

Sets the user query.

Parameters:

query - the user query. If the given user query is a blank string or null, it is equivalent to not having an user query.

Since:

8.1.0

getMaxRows

public int getMaxRows()

Returns the maximum number of hits to be returned by the query execution.

Usually this setting is used to paginate the search results.

Returns:

the maximum number of hits

Since:

8.1.0

setMaxRows

public SearchQuery setMaxRows(int maxRows)

Sets the maximum number of hits.

Parameters:

maxRows - the maximum number of hits

Since:

8.1.0

getStartAt

public int getStartAt()

Returns the number of the first hit to be returned by the query execution.

Usually this setting is used to paginate the search results.
This number is 1-based (the first result is the result number 1).

Returns:

the number of the first hit

Since:

8.1.0

setStartAt

public SearchQuery setStartAt(int startAt)

Sets the number of the first hit.
This number is 1-based (the first result is the result number 1).

Parameters:

startAt - the number of the first hit

Since:

8.1.0

getControlFilter

public ISearchQueryFilter getControlFilter()

Returns a query filter to be applied to the search.

Returns:

the query filter, or null if none was specified.

Since:

8.1.0

See Also:

#getControlQuery()

setControlFilter

public SearchQuery setControlFilter(ISearchQueryFilter controlFilter)

Sets the query filter to be applied to the search.

Parameters:

the - query filter.

Since:

8.1.0

See Also:

#setControlQuery(String)

addSort

public SearchQuery addSort(ISearchQuerySort sort)

Adds a sort definition in this search.

Parameters:

sort - the sort definition.

Since:

8.1.0

getSorts

public List<ISearchQuerySort> getSorts()

Returns an unmodifiable list of added sorts.

Returns:

an unmodifiable list of added sorts.

Since:

8.1.0

setHighlight

public SearchQuery setHighlight(HighlightConfig highlight)

Sets the highlight configuration.

Parameters:

highlight - the highlight configuration.

Returns:

this search query.

Since:

8.1.0

getHighlight

public HighlightConfig getHighlight()

Returns the highlight configuration.

Returns:

the highlight configuration.

Since:

8.1.0

addAggregation

public SearchQuery addAggregation(IAggregation aggregation)

Adds the given aggregation in this search query. Returns this search query.

Parameters:

aggregation - the aggregation.

Returns:

this search query.

Since:

9.0.0

addAggregations

public SearchQuery addAggregations(IAggregation... aggregations)

Adds the given aggregations in this search query. Returns this search query.

Parameters:

aggregations - the aggregations.

Returns:

this search query.

Since:

9.0.0

addAggregations

public SearchQuery addAggregations(List<IAggregation> aggregations)

Adds the given aggregations in this search query. Returns this search query.

Parameters:

aggregations - the aggregations.

Returns:

this search query.

Since:

9.0.0

getAggregations

public List<IAggregation> getAggregations()

Returns an unmodifiable list of the added aggregations.

Returns:

an unmodifiable list of the added aggregations.

Since:

9.0.0

addFieldBoost

public SearchQuery addFieldBoost(String fieldId,
                                 float boost)
                          throws PortalObjectNotFoundException

Adds a field boost to search. This configuration is only used when a user query is present in search query.

Parameters:

fieldId - the identifier of the field to be boosted.

boost - the boost value.

Returns:

this search query.

Throws:

PortalObjectNotFoundException - if no field with the given identifier could be found.

Since:

11.1.0

addFieldBoost

public SearchQuery addFieldBoost(DocumentTypeField documentTypeField,
                                 float boost)

Adds a field boost to search. This configuration is only used when a user query is present in search query.

Parameters:

documentTypeField - the field to be boosted.

boost - the boost value.

Returns:

this search query.

Throws:

PortalObjectNotFoundException - if no field with the given identifier could be found.

IllegalArgumentException - if the field is not indexed.

IllegalArgumentException - if the boost value is not positive.

Since:

11.1.0

See Also:

DocumentTypeField.getIndexMode()

getFieldsBoost

public Map<DocumentTypeField,Float> getFieldsBoost()

Returns the field boosting configuration.

Returns:

the field boosting configuration.

Since:

11.1.0