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java.lang.Objectorg.geotools.filter.expression.ExpressionAbstract
org.geotools.filter.DefaultExpression
org.geotools.filter.FunctionExpressionImpl
org.geotools.filter.function.FilterFunction_vertices
public class FilterFunction_vertices
Field Summary |
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Fields inherited from class org.geotools.filter.FunctionExpressionImpl |
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fallback, name, params |
Fields inherited from class org.geotools.filter.DefaultExpression |
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expressionType, permissiveConstruction |
Fields inherited from interface org.geotools.filter.ExpressionType |
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ATTRIBUTE, ATTRIBUTE_DOUBLE, ATTRIBUTE_GEOMETRY, ATTRIBUTE_INTEGER, ATTRIBUTE_STRING, ATTRIBUTE_UNDECLARED, FUNCTION, LITERAL_DOUBLE, LITERAL_GEOMETRY, LITERAL_INTEGER, LITERAL_LONG, LITERAL_STRING, LITERAL_UNDECLARED, MATH_ADD, MATH_DIVIDE, MATH_MULTIPLY, MATH_SUBTRACT |
Fields inherited from interface org.opengis.filter.expression.Expression |
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NIL |
Constructor Summary | |
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FilterFunction_vertices()
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Method Summary | |
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java.lang.Object |
evaluate(java.lang.Object feature,
java.lang.Class context)
Default implementation delegates handling of context conversion to Value utility class. |
int |
getArgCount()
Gets the number of arguments that are set. |
Methods inherited from class org.geotools.filter.FunctionExpressionImpl |
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accept, equals, getArgs, getExpression, getFallbackValue, getImplementationHints, getName, getParameters, getType, setArgs, setFallbackValue, setName, setParameters, toString |
Methods inherited from class org.geotools.filter.DefaultExpression |
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accept, evaluate, evaluate, getValue, isAttributeExpression, isExpression, isFunctionExpression, isGeometryExpression, isLiteralExpression, isMathExpression, isMathExpression |
Methods inherited from class org.geotools.filter.expression.ExpressionAbstract |
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eval, eval |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.geotools.filter.Expression |
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accept, evaluate, getValue |
Methods inherited from interface org.opengis.filter.expression.Expression |
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evaluate |
Constructor Detail |
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public FilterFunction_vertices()
Method Detail |
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public int getArgCount()
FunctionExpressionImpl
getArgCount
in interface FunctionExpression
getArgCount
in class FunctionExpressionImpl
public java.lang.Object evaluate(java.lang.Object feature, java.lang.Class context)
ExpressionAbstract
Subclasses are expected to make use of the Value utility class (as the easiest way to provide value morphing in confirmance with the Filter specification).
evaluate
in interface org.opengis.filter.expression.Expression
evaluate
in class ExpressionAbstract
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