Module org.opengis.geoapi

Package org.opengis.filter.capability

Interface ScalarCapabilities

@UML(identifier="ScalarCapabilities",
     specification=ISO_19143)
public interface ScalarCapabilities

Advertisement of which logical, comparison and arithmetic operators the service supports. Scalar capabilities include the ability to process logical expressions and comparisons.

Since:

3.1

See Also:

• FilterCapabilities.getScalarCapabilities()

Method Summary

Modifier and Type	Method	Description
default Set<ComparisonOperatorName>	getComparisonOperators()	Advertises which comparison operators are supported by the service.
default boolean	hasLogicalOperators()	Indicates if logical operator support is provided.

Method Details

hasLogicalOperators

@UML(identifier="logicalOperators",
     specification=ISO_19143)
default boolean hasLogicalOperators()

Indicates if logical operator support is provided. A value of true indicates that the filter can process And, Or and Not operators.

Returns:

whether logical operators are supported.

getComparisonOperators

@UML(identifier="comparisonOperator",
     obligation=OPTIONAL,
     specification=ISO_19143)
default Set<ComparisonOperatorName> getComparisonOperators()

Advertises which comparison operators are supported by the service.

Returns:

comparison operators supported by the service.