Package org.neo4j.ogm.cypher.function

Interface FilterFunction<T>

All Known Implementing Classes:

ContainsAnyComparison, DistanceComparison, NativeDistanceComparison, PropertyComparison, PropertyComparison.CaseInsensitiveEqualsComparison

public interface FilterFunction<T>

Author:

Jasper Blues, Michael J. Simons

Method Summary

Modifier and Type	Method	Description
String	expression(String nodeIdentifier, String filteredProperty, UnaryOperator<String> createUniqueParameterName)	Generates a cypher expression for this function
T	getValue()
Map<String,Object>	parameters(UnaryOperator<String> createUniqueParameterName, PropertyValueTransformer valueTransformer)	Provides the map of parameters to use.

Method Details

getValue

T getValue()

expression

String expression(String nodeIdentifier,
 String filteredProperty,
 UnaryOperator<String> createUniqueParameterName)

Generates a cypher expression for this function

Parameters:

nodeIdentifier - The identifier of the node to be filtered in the query

filteredProperty - The identifier of the filtered property

createUniqueParameterName - An operator to create unique parameter names, the same as in parameters(UnaryOperator, PropertyValueTransformer)

Returns:

The fragment to use

parameters

Map<String,Object> parameters(UnaryOperator<String> createUniqueParameterName,
 PropertyValueTransformer valueTransformer)

Provides the map of parameters to use. It is advised to use the provided operator for creating unique parameter names

Parameters:

createUniqueParameterName - An operator to create unique parameter names

valueTransformer - Transformer for adapting possible values to the domain

Returns:

The map of parameters