org.geotools.data.mongodb.complex

Class CollectionIdFunction

Object

ExpressionAbstract

DefaultExpression

FunctionExpressionImpl

CollectionIdFunction

All Implemented Interfaces:

FunctionExpression, Factory, Expression, Function

public final class CollectionIdFunction
extends FunctionExpressionImpl

Function that returns a random ID for a collection.

Field Summary

Fields inherited from class FunctionExpressionImpl

fallback, functionName, name, params

Fields inherited from interface Expression

NIL

Constructor Summary

Constructors

Constructor and Description
CollectionIdFunction()

Method Summary

Modifier and Type	Method and Description
Object	evaluate(Object object) Subclass should override, default implementation returns null.

Methods inherited from class FunctionExpressionImpl

accept, equals, functionName, getExpression, getFallbackValue, getFunctionName, getImplementationHints, getName, getParameters, hashCode, setFallbackValue, setParameters, toString

Methods inherited from class DefaultExpression

isAttributeExpression, isExpression, isFunctionExpression, isGeometryExpression, isLiteralExpression, isMathExpression

Methods inherited from class ExpressionAbstract

evaluate

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface Expression

evaluate

Constructor Detail

CollectionIdFunction

public CollectionIdFunction()

Method Detail

evaluate

public Object evaluate(Object object)

Description copied from class: ExpressionAbstract

Subclass should override, default implementation returns null.

Specified by:

evaluate in interface Expression

Overrides:

evaluate in class FunctionExpressionImpl

Returns:

default implementation returns null