Package com.luciad.models.features

Class FeatureExpressionEvaluator

java.lang.Object

com.luciad.models.features.FeatureExpressionEvaluator

All Implemented Interfaces:

AutoCloseable

public final class FeatureExpressionEvaluator
extends Object
implements AutoCloseable

Evaluator for a Feature.

Method Summary

Modifier and Type	Method	Description
static boolean	accept(Feature feature, FeatureExpressionEvaluator featureExpressionEvaluator)	Convenience method to evaluate whether a feature meets a condition.
ExpressionValue	apply(Feature feature)	Evaluates an expression for the given feature.
void	close()
protected void	finalize()

Methods inherited from class java.lang.Object

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

Method Details

finalize

protected void finalize()

Overrides:

finalize in class Object

close

public void close()

Specified by:

close in interface AutoCloseable

apply

@Nullable
public ExpressionValue apply(@NotNull
 Feature feature)

Evaluates an expression for the given feature.

Parameters:

feature - the feature to evaluate.

Returns:

the value that is the result of evaluating the expression for the given feature.

accept

public static boolean accept(@NotNull
 Feature feature,
 @NotNull
 FeatureExpressionEvaluator featureExpressionEvaluator)

Convenience method to evaluate whether a feature meets a condition.

When the evaluator does not return a boolean value this method returns false.

Parameters:

feature - the feature to evaluate.

featureExpressionEvaluator - the expression evaluator.

Returns:

true whether the condition is met, false otherwise.