Package org.geotools.data.mongodb

Class FilterToMongo

Object

AbstractFilterToMongo

FilterToMongo

All Implemented Interfaces:

ExpressionVisitor, FilterVisitor

public class FilterToMongo
extends AbstractFilterToMongo

Visitor responsible for generating a BasicDBObject to use as a MongoDB query.

Author:

Gerald Gay, Data Tactics Corp., Alan Mangan, Data Tactics Corp., Tom Kunicki, Boundless Spatial Inc. (C) 2011, Open Source Geospatial Foundation (OSGeo)

See Also:

• GNU Lesser General Public License (LGPL)

Field Summary

Fields inherited from class AbstractFilterToMongo

featureType, geometryBuilder, HUNDRED_KM_IN_METERS, LOGGER

Constructor Summary

Constructors

Constructor	Description
FilterToMongo(CollectionMapper mapper)

Method Summary

Modifier and Type	Method	Description
protected String	getGeometryPath()	Method responsible for retrieving the MongoDB geometry json path
protected String	getPropertyPath(String prop)	Method responsible for mapping a PropertyName to the corresponding MongoDB json path
protected Class<?>	getValueTypeInternal(Expression e)	Method responsible of retrieving the value type of an Expression

Methods inherited from class AbstractFilterToMongo

asDBObject, getValueType, setFeatureType, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitNullFilter

Methods inherited from class Object

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

Methods inherited from interface FilterVisitor

visit

Constructor Details

FilterToMongo

public FilterToMongo(CollectionMapper mapper)

Method Details

getValueTypeInternal

protected Class<?> getValueTypeInternal(Expression e)

Description copied from class: AbstractFilterToMongo

Method responsible of retrieving the value type of an Expression

Specified by:

getValueTypeInternal in class AbstractFilterToMongo

Parameters:

e - the expression for which find the value type

Returns:

the type as a Class of the Expression

getGeometryPath

protected String getGeometryPath()

Description copied from class: AbstractFilterToMongo

Method responsible for retrieving the MongoDB geometry json path

Specified by:

getGeometryPath in class AbstractFilterToMongo

Returns:

the MongoDB json paath for the default geometry

getPropertyPath

protected String getPropertyPath(String prop)

Description copied from class: AbstractFilterToMongo

Method responsible for mapping a PropertyName to the corresponding MongoDB json path

Specified by:

getPropertyPath in class AbstractFilterToMongo

Parameters:

prop - the string property name to map

Returns:

the MongoDB json path