org.geotools.filter.function
Class UniqueIntervalFunction

java.lang.Object
  org.geotools.filter.expression.ExpressionAbstract
      org.geotools.filter.DefaultExpression
          org.geotools.filter.FunctionExpressionImpl
              org.geotools.filter.function.ClassificationFunction
                  org.geotools.filter.function.ExplicitClassificationFunction
                      org.geotools.filter.function.UniqueIntervalFunction

All Implemented Interfaces:

org.opengis.filter.expression.Expression, Expression, ExpressionType, Factory, org.opengis.filter.expression.Function, FunctionExpression

public class UniqueIntervalFunction

extends ExplicitClassificationFunction

Clone of EqualIntervalFunction for unique values

Author:

Cory Horner

Field Summary

Fields inherited from class org.geotools.filter.DefaultExpression

expressionType, permissiveConstruction

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

Constructor Summary

UniqueIntervalFunction()

Method Summary

java.lang.Object	evaluate(Feature feature) Evaluates the expression against an instance of Feature.
java.lang.String	getName() Gets the name of this function.
java.lang.Object	getValue(int index) Determines the value(s) for the indexed slot/bin/bucket.
void	setExpression(Expression e)

Methods inherited from class org.geotools.filter.function.ClassificationFunction

decimalPlaces, fixRound, getArgCount, getArgs, getCollection, getExpression, getNumberOfClasses, getProgressListener, round, setArgs, setCollection, setNumberOfClasses, setProgressListener

Methods inherited from class org.geotools.filter.FunctionExpressionImpl

accept, getImplementationHints, getParameters, getType, setName, setParameters

Methods inherited from class org.geotools.filter.DefaultExpression

accept, evaluate, getValue, isAttributeExpression, isExpression, isGeometryExpression, isLiteralExpression, isMathExpression, isMathExpression

Methods inherited from class org.geotools.filter.expression.ExpressionAbstract

eval

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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

getType

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

accept, getValue

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

accept, evaluate

Methods inherited from interface org.geotools.factory.Factory

getImplementationHints

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

getParameters, setName, setParameters

Constructor Detail

UniqueIntervalFunction

public UniqueIntervalFunction()

Method Detail

getName

public java.lang.String getName()

Description copied from interface: FunctionExpression

Gets the name of this function.

Specified by:

getName in interface FunctionExpression

Specified by:

getName in class ExplicitClassificationFunction

evaluate

public java.lang.Object evaluate(Feature feature)

Description copied from interface: Expression

Evaluates the expression against an instance of Feature.

Specified by:

evaluate in interface Expression

Specified by:

evaluate in class ExplicitClassificationFunction

setExpression

public void setExpression(Expression e)

Overrides:

setExpression in class ClassificationFunction

getValue

public java.lang.Object getValue(int index)

Determines the value(s) for the indexed slot/bin/bucket.

Specified by:

getValue in class ExplicitClassificationFunction

Returns:

the value