org.geotools.filter
Interface EnvironmentVariable

All Superinterfaces:

org.opengis.filter.expression.Expression, Expression, ExpressionType

All Known Subinterfaces:

MapScaleDenominator

All Known Implementing Classes:

MapScaleDenominatorImpl

public interface EnvironmentVariable

extends Expression

DOCUMENT ME!

Author:

James

Field Summary

Fields inherited from interface org.geotools.filter.expression.ExpressionType

ATTRIBUTE, ATTRIBUTE_DOUBLE, ATTRIBUTE_GEOMETRY, ATTRIBUTE_INTEGER, ATTRIBUTE_STRING, ATTRIBUTE_UNDECLARED, FUNCTION, LITERAL_DOUBLE, LITERAL_GEOMETRY, LITERAL_INTEGER, LITERAL_STRING, MATH_ADD, MATH_DIVIDE, MATH_MULTIPLY, MATH_SUBTRACT

Method Summary

java.lang.Object

getValue(Feature feature) Deprecated. use Expression.evaluate(Object)

Methods inherited from interface org.geotools.filter.expression.Expression

accept, evaluate, getType

Methods inherited from interface org.opengis.filter.expression.Expression

accept, evaluate

Method Detail

getValue

public java.lang.Object getValue(Feature feature)

Deprecated. use Expression.evaluate(Object)

Gets the attribute value at the path held by this expression from the feature.

Specified by:

getValue in interface Expression

Parameters:

feature - the feature to get this attribute from.

Returns:

the value of the attribute found by this expression.