StructuredQuery

new StructuredQuery(domainsopt)

Constructs structured query

Parameters:

Name	Type	Attributes	Description
`domains`	$k.Domain	<optional>	The domain or internal name of a type

Since: 4.1.0 Represents a structured query

Extends

$k.Query

Methods

addAlternativeGroup() → {$k.AlternativeGroupCondition}

Add an empty alternative condition group (OR group)

Since: 4.2.0

Returns:

Type:: $k.AlternativeGroupCondition

addAttribute(type) → {$k.HasAttributeCondition}

Add an empty attribute condition without value/cardinality conditions

Parameters:

Name	Type	Description
`type`		AttributeType or internal name

Since: 4.1.0

Throws:

If the attribute cannot be found
Type
$k.exception.ObjectNotFound
If the type is not an attribute type
Type
$k.exception.TypeError
If the condition is not valid
Type
$k.exception.QueryError

Returns:

Type:: $k.HasAttributeCondition

addAttributeValue(type, parameteropt, operatoropt, defaultValueopt) → {$k.AttributeValueCondition}

Add an attribute value condition

Parameters:

Name	Type	Attributes	Description
`type`			AttributeType or internal name
`parameter`		<optional>	Parameter name of the value
`operator`	string	<optional>	Name of operator
`defaultValue`		<optional>	Default value if no parameter is specified

Since: 4.1.0

Throws:

If the attribute cannot be found
Type
$k.exception.ObjectNotFound
If the type is not an attribute type
Type
$k.exception.TypeError
If the condition is not valid
Type
$k.exception.QueryError

Returns:

Type:: $k.AttributeValueCondition

addCardinality(type, cardinality, operatoropt)

Add a cardinality condition

Parameters:

Name Type Attributes Description

type

AttributeType or internal name

cardinality

number

Cardinality. Must be an integer >= 0.

operator

string

Name of cardinality operator. One of

"==" or "equalCardinality" (cardinality must be equal to the value)
">=" or "equalMinCardinality" (cardinality must be equal or greater than value)
"<=" or "equalMaxCardinality" (cardinality must be equal or less than value)

Default is "equalCardinality"

Since: 4.1.0

Throws:

If the type cannot be found
Type
$k.exception.ObjectNotFound
If the type is not a property type
Type
$k.exception.TypeError
If the condition is not valid
Type
$k.exception.QueryError

Returns:

HasAttribute or HasRelation condition

addElementsFilter(parameter) → {$k.ElementsCondition}

Add an element condition. Only elements from the list / parameter are returned.

Parameters:

Name	Type	Description
`parameter`		Element or array of elements or the name of a parameter to use its value

Since: 4.1.0

Throws:

If neither elements or a parameter was passed
Type
$k.exception.TypeError
If the condition is not valid
Type
$k.exception.QueryError

Returns:

Type:: $k.ElementsCondition

addHandle(parameter) → {Condition}

Add a handle

Parameters:

Name	Type	Description
`parameter`	string

Version: Experimental feature, might be removed at any time
Since: 4.1.0

Returns:

Type:: Condition

addQueryReference(queryopt, operatoropt) → {QueryReferenceCondition}

References another query that selects elements of this query according to the operator. If $k.Operator.EQUAL or NOT_EQUAL are selected, then the reference works in both directions. If $k.Operator.FILTER is selected, then the subquery is only applied to this query.

Parameters:

Name	Type	Attributes	Description
`query`		<optional>	Referenced query. A new empty query will be referenced if not defined
`operator`	string	<optional>	An operator that defines how the subquery is applied. One of $k.Operator.EQUAL, NOT_EQUAL, FILTER. Default is FILTER

Since: 4.1.0

Throws:

If the condition is not valid
Type $k.exception.QueryError

Returns:

Condition for the subquery

Type:: QueryReferenceCondition

addRelation(type) → {$k.HasRelationCondition}

Add an empty relation condition without target/cardinality conditions

Parameters:

Name	Type	Description
`type`		RelationType or internal name

Since: 4.1.0

Throws:

If the relation cannot be found
Type
$k.exception.ObjectNotFound
If the type is not an relation type
Type
$k.exception.TypeError
If the condition is not valid
Type
$k.exception.QueryError

Returns:

Type:: $k.HasRelationCondition

addRelationTarget(type, targetQueryopt) → {$k.RelationTargetCondition}

Add a relation target condition

Parameters:

Name	Type	Attributes	Description
`type`			RelationType or internal name
`targetQuery`		<optional>	Target query. If not specified an empty subquery will be build

Since: 4.1.0

Throws:

If the relation cannot be found
Type
$k.exception.ObjectNotFound
If the type is not an relation type
Type
$k.exception.TypeError
If the condition is not valid
Type
$k.exception.QueryError

Returns:

Condition for the relation target

Type:: $k.RelationTargetCondition

clone() → {$k.StructuredQuery}

Returns a copy of the query. The copy can be modified.

Since: 4.1.0

Throws:

If the query cannot be cloned
Type $k.exception.QueryError

Returns:

Type:: $k.StructuredQuery

conditions() → {Array.<QueryConditon>}

Returns the conditions of the query

Since: 4.1.0

Returns:

Type:: Array.<QueryConditon>

definedParameters() → {Array.<$k.QueryParameter>}

Returns the parameters of the query

Inherited From: $k.Query#definedParameters
See: $k.Query#setParameter

Returns:

Type:: Array.<$k.QueryParameter>

domains() → {Array.<$k.Domain>}

Returns the domains of the query

Since: 4.1.0

Returns:

Type:: Array.<$k.Domain>

explainElements(elements, parametersopt) → {Array.<$k.SemanticElement>}

Returns elements involved in the query

Parameters:

Name	Type	Attributes	Description
`elements`	Array.<$k.SemanticElement>		Elements to explain. Elements that do not match the query are ignored.
`parameters`	object	<optional>

Inherited From: $k.Query#explainElements
See: $k.Query#setParameter

Throws:

When the query could not be solved, e.g. missing parameters
Type $k.exception.QueryError

Returns:

Type:: Array.<$k.SemanticElement>

Returns all elements that match the query

Parameters:

Name	Type	Attributes
`elements`	Array.<$k.SemanticElement>
`parameters`	object	<optional>
`searchString`	string	<optional>

Inherited From: $k.Query#filterElements
See: $k.Query#setParameter

Throws:

When the query could not be solved, e.g. missing parameters
Type $k.exception.QueryError

Returns:

Type:: Array.<$k.SemanticElement>

Example

var hits = $k.Registry.query("experts").filterElements(persons);

filterHits(hits, parametersopt, searchStringopt) → {Array.<$k.Hit>}

Returns all hits that match the query

Parameters:

Name	Type	Attributes
`hits`	Array.<$k.Hit>
`parameters`	object	<optional>
`searchString`	string	<optional>

Since: 5.3.0
See: $k.Query#setParameter

Throws:

When the query could not be solved, e.g. missing parameters
Type $k.exception.QueryError

Returns:

Type:: Array.<$k.Hit>

Example

var hits = $k.Registry.query("experts").filterHits(hits);

findElements(parametersopt, searchStringopt) → {Array.<$k.SemanticElement>}

Search and return all found semantic elements

Parameters:

Name	Type	Attributes	Description
`parameters`	object	<optional>
`searchString`	string	<optional>

Inherited From: $k.Query#findElements
See: $k.Query#setParameter

Throws:

When the query could not be solved, e.g. missing parameters
Type $k.exception.QueryError

Returns:

Type:: Array.<$k.SemanticElement>

Examples

var hits = $k.Registry.query("directSearch").findElements("Test");

var hits = $k.Registry.query("compositeSearch").findElements("Test", { context: "portal" });

findHits(parametersopt, searchStringopt) → {Array.<$k.Hit>}

Search and return all found hits.

Parameters:

Name	Type	Attributes	Description
`parameters`	object	<optional>
`searchString`	string	<optional>

Inherited From: $k.Query#findHits
See: $k.Query#setParameter

Throws:

When the query could not be solved, e.g. missing parameters
Type $k.exception.QueryError

Returns:

Type:: Array.<$k.Hit>

Example

var hits = $k.Registry.query("directSearch").findHits("Test*");

findResultSize(parametersopt, searchStringopt) → {number}

Search and return the number of found semantic elements

Parameters:

Name	Type	Attributes	Description
`parameters`	object	<optional>
`searchString`	string	<optional>

Since: 5.3.3
Inherited From: $k.Query#findResultSize
See: $k.Query#findElements

Throws:

When the query could not be solved, e.g. missing parameters
Type $k.exception.QueryError

Returns:

Type:: number

findSolutions(parametersopt, singleElementIdentifiersopt) → {Array.<object>}

Search and return all solutions

Parameters:

Name	Type	Attributes	Description
`parameters`	object	<optional>
`singleElementIdentifiers`	array	<optional>

Since: 5.2.2

Throws:

When the query could not be solved, e.g. missing parameters
Type $k.exception.QueryError

Returns:

Each solution is an object containing an element of the result set, and all elements at identifiers of the query, e.g. {element: element1, identifiers: { someIdentifier1: [ element2, ... ], someIdentifier2: [ element3, ... ] }}. Each identifier in singleElementIdentifiers will be distribute multiple elements to one separate solution each

Type:: Array.<object>

fullExplainElements(elements, parametersopt) → {Array.<$k.SemanticElement>}

Returns all elements involved in the query

Parameters:

Name	Type	Attributes	Description
`elements`	Array.<$k.SemanticElement>		Elements to full explain. Elements that do not match the query are ignored.
`parameters`	object	<optional>

Inherited From: $k.Query#fullExplainElements
See: $k.Query#setParameter

Throws:

When the query could not be solved, e.g. missing parameters
Type $k.exception.QueryError

Returns:

Type:: Array.<$k.SemanticElement>

handleConditions(handle) → {Array.<$k.QueryCondition>}

Parameters:

Name	Type	Description
`handle`	string

Version: Experimental feature, might be removed at any time
Since: 5.4.2

Returns:

Handle conditions with the given handle

Type:: Array.<$k.QueryCondition>

inheritance() → {boolean}

Returns true if elements of subdomains should be returned

Since: 4.1.0

Returns:

Type:: boolean

inverseConditions() → {Array.<QueryConditon>}

Returns the conditions pointing to this query

Since: 4.1.0

Returns:

Type:: Array.<QueryConditon>

name() → {string}

Returns the name

Inherited From: $k.Query#name

Returns:

Type:: string

parentFolders() → {Array.<$k.Folder>}

Returns the folders that contain this element

Inherited From: $k.FolderElement#parentFolders

Returns:

Type:: Array.<$k.Folder>

renderElements(tableConfiguration, keyFilteropt, detailFilteropt) → {Array.<object>}

Search and render found semantic elements using the given table configuration

Parameters:

Name	Type	Attributes	Description
`tableConfiguration`	$k.TableConfiguration
`keyFilter`	object	<optional>	Alternative 1 (preferred): a $k.JSONRenderContext Alternative 2 (compatibility only): A filter. See $k.JSONRenderContext.prototype.setFilters().
`detailFilter`	object	<optional>	Only used if the key filter is not a $k.JSONRenderContext. See $k.JSONRenderContext.prototype.setLevelsOfDetail()

Since: 4.1.0
Inherited From: $k.Query#renderElements
Deprecated: This function is deprecated and might be removed in future releases

Throws:

When the query could not be solved, e.g. missing parameters
Type $k.exception.QueryError

Returns:

The rendered objects

Type:: Array.<object>

renderHits(tableConfiguration, keyFilteropt, detailFilteropt) → {Array.<object>}

Search and render found hits using the given table configuration

Parameters:

Name	Type	Attributes	Description
`tableConfiguration`	$k.TableConfiguration
`keyFilter`	object	<optional>	Alternative 1 (preferred): a $k.JSONRenderContext Alternative 2 (compatibility only): A filter. See $k.JSONRenderContext.prototype.setFilters().
`detailFilter`	object	<optional>	Only used if the key filter is not a $k.JSONRenderContext. See $k.JSONRenderContext.prototype.setLevelsOfDetail()

Since: 4.1.0
Inherited From: $k.Query#renderHits
Deprecated: This function is deprecated and might be removed in future releases

Throws:

When the query could not be solved, e.g. missing parameters
Type $k.exception.QueryError

Returns:

The rendered objects

Type:: Array.<object>

searchString() → {string}

Returns the search string

Inherited From: $k.Query#searchString

Returns:

Type:: string

setAccessParameter(accessParameter, value)

Set a parameter of the query.

Parameters:

Name	Type	Description
`accessParameter`	string	One of the access parameters ("topic", "property", "accessedObject", "concept", "user" etc)
`value`		The value of the parameter. The type (string etc.) depends on the parameter. Arrays of values can be passed, too. The value undefined or null disables the parametrized condition.

Throws:

When the value is not suitable for the parameter
Type $k.exception.TypeError

setAlternatives(conditions)

Set the conditions as alternatives (OR group). If <= 1 conditions are passed this will be a no-op.

Parameters:

Name	Type	Description
`conditions`	Array.<$k.QueryCondition>	Conditions of this query that should be alternatives

Since: 4.1.0
Deprecated: Use addAlternativeGroup() instead

Throws:

If the conditions cannot be alternatives of this query
Type
$k.exception.QueryError
$k.exception.TypeError

setDomain(domains)

Restrict the query results to objects/types of the domains

Parameters:

Name	Type	Description
`domains`	$k.Domain	The domain or internal name of a type

Since: 4.1.0
Inherited From: $k.Query#setDomain

setDomains(domains)

Restrict the query results to objects/types of the domains

Parameters:

Name	Type	Description
`domains`	Array.<$k.Domain>	The domains or internal names of types

Inherited From: $k.Query#setDomains

setFacetFilters(facetFiltersArray)

Set the selected facets and terms for the query

Parameters:

Name	Type	Description
`facetFiltersArray`	array	Array with selected facets and terms

Since: 5.1.3
Inherited From: $k.Query#setFacetFilters

setInheritance(useInheritance)

Set to false if elements of subdomains should not be returned

Parameters:

Name	Type	Description
`useInheritance`	boolean

Since: 4.1.0

setMergeCauses(mergeCauses)

Determines whether causes should be merged when filtering hits

Parameters:

Name	Type	Description
`mergeCauses`	boolean

Version: Experimental feature, might be removed at any time
Since: 5.3.0

setName(name)

Sets the name of the query

Parameters:

Name	Type	Description
`name`	string	The name

Version: Experimental feature, might be removed at any time
Since: 5.3.2
Inherited From: $k.Query#setName

setParameter(parameterId, value)

Set a parameter of the query.

Parameters:

Name	Type	Description
`parameterId`	string	The ID of the parameter
`value`		The value of the parameter. The type (string etc.) depends on the parameter. Arrays of values can be passed, too. The value undefined or null disables the parametrized condition.

Inherited From: $k.Query#setParameter

Throws:

When the value is not suitable for the parameter
Type $k.exception.TypeError

setParameters(parameters)

Set the parameters of the query from the properties of the object

Parameters:

Name	Type	Description
`parameters`		The parameters

Inherited From: $k.Query#setParameters
See: $k.Query#setParameter

Throws:

When a value is not a suitable parameter
Type $k.exception.TypeError

setSearchString(searchString)

Set the string to search for

Parameters:

Name	Type	Description
`searchString`	string

Inherited From: $k.Query#setSearchString

new StructuredQuery(domainsopt)

Extends

Methods

addAlternativeGroup() → {$k.AlternativeGroupCondition}

addAttribute(type) → {$k.HasAttributeCondition}

addAttributeValue(type, parameteropt, operatoropt, defaultValueopt) → {$k.AttributeValueCondition}

addCardinality(type, cardinality, operatoropt)

addElementsFilter(parameter) → {$k.ElementsCondition}

addHandle(parameter) → {Condition}

addQueryReference(queryopt, operatoropt) → {QueryReferenceCondition}

addRelation(type) → {$k.HasRelationCondition}

addRelationTarget(type, targetQueryopt) → {$k.RelationTargetCondition}

clone() → {$k.StructuredQuery}

conditions() → {Array.<QueryConditon>}

definedParameters() → {Array.<$k.QueryParameter>}

domains() → {Array.<$k.Domain>}

explainElements(elements, parametersopt) → {Array.<$k.SemanticElement>}

filterElements(elements, parametersopt, searchStringopt) → {Array.<$k.SemanticElement>}

filterHits(hits, parametersopt, searchStringopt) → {Array.<$k.Hit>}

findElements(parametersopt, searchStringopt) → {Array.<$k.SemanticElement>}

findHits(parametersopt, searchStringopt) → {Array.<$k.Hit>}

findResultSize(parametersopt, searchStringopt) → {number}

findSolutions(parametersopt, singleElementIdentifiersopt) → {Array.<object>}

fullExplainElements(elements, parametersopt) → {Array.<$k.SemanticElement>}

handleConditions(handle) → {Array.<$k.QueryCondition>}

inheritance() → {boolean}

inverseConditions() → {Array.<QueryConditon>}

name() → {string}

parentFolders() → {Array.<$k.Folder>}

renderElements(tableConfiguration, keyFilteropt, detailFilteropt) → {Array.<object>}

renderHits(tableConfiguration, keyFilteropt, detailFilteropt) → {Array.<object>}

searchString() → {string}

setAccessParameter(accessParameter, value)

setAlternatives(conditions)

setDomain(domains)

setDomains(domains)

setFacetFilters(facetFiltersArray)

setInheritance(useInheritance)

setMergeCauses(mergeCauses)

setName(name)

setParameter(parameterId, value)

setParameters(parameters)

setSearchString(searchString)