Examples of org.opengis.filter.capability.ComparisonOperators

org.opengis.filter.capability.ComparisonOperators

Supported comparison operators in a filter capabilities document.

 <xsd:complexType name="ComparisonOperatorsType"> <xsd:sequence maxOccurs="unbounded"> <xsd:element name="ComparisonOperator" type="ogc:ComparisonOperatorType"/> </xsd:sequence> </xsd:complexType>

@author Justin Deoliveira, The Open Planning Project @source $URL$


    public Object visit( PropertyIsNotEqualTo filter, Object extraData ) {
        ScalarCapabilities scalar = capabilities.getScalarCapabilities();
        if( scalar == null ) return false;
        
        ComparisonOperators operators = scalar.getComparisonOperators();
        if( operators == null ) return false;
        
        if( operators.getOperator( PropertyIsNotEqualTo.NAME ) == null ) return false;
        
        return (Boolean) filter.getExpression1().accept(this,null) &&
               (Boolean) filter.getExpression2().accept(this,null);
    }

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    public Object visit( PropertyIsGreaterThan filter, Object extraData ) {
        ScalarCapabilities scalar = capabilities.getScalarCapabilities();
        if( scalar == null ) return false;
        
        ComparisonOperators operators = scalar.getComparisonOperators();
        if( operators == null ) return false;
        
        if( operators.getOperator( PropertyIsGreaterThan.NAME ) == null ) return false;
        
        return (Boolean) filter.getExpression1().accept(this,null) &&
               (Boolean) filter.getExpression2().accept(this,null);
    }

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    public Object visit( PropertyIsGreaterThanOrEqualTo filter, Object extraData ) {
        ScalarCapabilities scalar = capabilities.getScalarCapabilities();
        if( scalar == null ) return false;
        
        ComparisonOperators operators = scalar.getComparisonOperators();
        if( operators == null ) return false;
        
        return operators.getOperator( PropertyIsGreaterThanOrEqualTo.NAME ) != null;
    }

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    public Object visit( PropertyIsLessThan filter, Object extraData ) {
        ScalarCapabilities scalar = capabilities.getScalarCapabilities();
        if( scalar == null ) return false;
        
        ComparisonOperators operators = scalar.getComparisonOperators();
        if( operators == null ) return false;
        
        return operators.getOperator( PropertyIsLessThan.NAME ) != null;
    }

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    public Object visit( PropertyIsLessThanOrEqualTo filter, Object extraData ) {
        ScalarCapabilities scalar = capabilities.getScalarCapabilities();
        if( scalar == null ) return false;
        
        ComparisonOperators operators = scalar.getComparisonOperators();
        if( operators == null ) return false;
        
        return operators.getOperator( PropertyIsLessThanOrEqualTo.NAME ) != null;
    }

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    public Object visit( PropertyIsLike filter, Object extraData ) {
        ScalarCapabilities scalar = capabilities.getScalarCapabilities();
        if( scalar == null ) return false;
        
        ComparisonOperators operators = scalar.getComparisonOperators();
        if( operators == null ) return false;
        
        return operators.getOperator( PropertyIsLike.NAME ) != null;
    }

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    public Object visit( PropertyIsNull filter, Object extraData ) {
        ScalarCapabilities scalar = capabilities.getScalarCapabilities();
        if( scalar == null ) return false;
        
        ComparisonOperators operators = scalar.getComparisonOperators();
        if( operators == null ) return false;
        
        return operators.getOperator( PropertyIsNull.NAME ) != null;
    }

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    public Object visit( PropertyIsNil filter, Object extraData ) {
        ScalarCapabilities scalar = capabilities.getScalarCapabilities();
        if( scalar == null ) return false;
        
        ComparisonOperators operators = scalar.getComparisonOperators();
        if( operators == null ) return false;
        
        return operators.getOperator( PropertyIsNil.NAME ) != null;
    }

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        assertNotNull(sop.getOperator("Contains"));
        assertNotNull(sop.getOperator("DWithin"));
        assertNotNull(sop.getOperator("Beyond"));
        ScalarCapabilities scalar = filterCapabilities.getScalarCapabilities();
        assertTrue(scalar.hasLogicalOperators());
        ComparisonOperators comparison = scalar.getComparisonOperators();
        assertEquals(9, comparison.getOperators().size());
        assertNotNull(comparison.getOperator("NullCheck"));
        assertNotNull(comparison.getOperator("Between"));
        assertNotNull(comparison.getOperator("LessThan"));
        assertNotNull(comparison.getOperator("GreaterThan"));
        assertNotNull(comparison.getOperator("GreaterThanEqualTo"));
        assertNotNull(comparison.getOperator("EqualTo"));
        assertNotNull(comparison.getOperator("NotEqualTo"));
        assertNotNull(comparison.getOperator("Like"));
        assertNotNull(comparison.getOperator("LessThanEqualTo"));
        ArithmeticOperators arithmetic = scalar.getArithmeticOperators();
        assertEquals(0, arithmetic.getFunctions().getFunctionNames().size());
        IdCapabilities id = filterCapabilities.getIdCapabilities();
        assertTrue(id.hasFID());
        assertFalse(id.hasEID());

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    public Object visit( PropertyIsBetween filter, Object extraData ) {
        ScalarCapabilities scalar = capabilities.getScalarCapabilities();
        if( scalar == null ) return false;
        
        ComparisonOperators operators = scalar.getComparisonOperators();
        if( operators == null ) return false;
        
        return operators.getOperator( PropertyIsBetween.NAME ) != null;
    }

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org.geoserver.csw.GetCapabilities

org.geotools.csw.CSWCapabilitiesTest

org.geotools.filter.v1_0.capabilities.Comparison_OperatorsTypeBinding

org.geotools.filter.v1_0.capabilities.Comparison_OperatorsTypeBindingTest

org.geotools.filter.v1_0.capabilities.Scalar_CapabilitiesTypeBinding

org.geotools.filter.v1_1.capabilities.ComparisonOperatorsTypeBinding

org.geotools.filter.v1_1.capabilities.ComparisonOperatorsTypeBindingTest

org.geotools.filter.visitor.IsFullySupportedFilterVisitor

org.geotools.filter.visitor.IsSupportedFilterVisitor

org.geotools.wfs.bindings.WFS_CapabilitiesTypeBindingTest

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