org.apache.marmotta.ldpath.model.fields

Class FieldMapping<T,Node>

java.lang.Object

org.apache.marmotta.ldpath.model.fields.FieldMapping<T,Node>

All Implemented Interfaces:

LDPathConstruct<Node>

public class FieldMapping<T,Node>
extends Object
implements LDPathConstruct<Node>

A field mapping maps a field name to a node selection and transforms it into the appropriate type.

Author: Sebastian Schaffert

Constructor Summary

Constructors

Constructor and Description
FieldMapping(String fieldName, URI fieldType, NodeSelector<Node> selector, NodeTransformer<T,Node> transformer, Map<String,String> fieldConfig)
FieldMapping(URI fieldName, URI fieldType, NodeSelector<Node> selector, NodeTransformer<T,Node> transformer, Map<String,String> fieldConfig)

Method Summary

Methods

Modifier and Type	Method and Description
Map<String,String>	getFieldConfig()
String	getFieldName()
URI	getFieldType()
String	getPathExpression(NodeBackend<Node> backend) Return the representation of the NodeFunction or NodeSelector in the RDF Path Language
NodeSelector<Node>	getSelector()
NodeTransformer<T,Node>	getTransformer()
Collection<T>	getValues(RDFBackend<Node> backend, Node context) Get the values of this mapping for the context node passed as argument, transformed into the datatype generated by the transformer.
Collection<T>	getValues(RDFBackend<Node> backend, Node context, Map<Node,List<Node>> paths) Get the values of this mapping for the context node passed as argument, transformed into the datatype generated by the transformer.
void	setFieldConfig(Map<String,String> fieldConfig)
void	setSelector(NodeSelector<Node> selector)
void	setTransformer(NodeTransformer<T,Node> transformer)

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldMapping

public FieldMapping(URI fieldName,
            URI fieldType,
            NodeSelector<Node> selector,
            NodeTransformer<T,Node> transformer,
            Map<String,String> fieldConfig)

FieldMapping

public FieldMapping(String fieldName,
            URI fieldType,
            NodeSelector<Node> selector,
            NodeTransformer<T,Node> transformer,
            Map<String,String> fieldConfig)

Method Detail

getFieldName

public String getFieldName()

getFieldType

public URI getFieldType()

getSelector

public NodeSelector<Node> getSelector()

setSelector

public void setSelector(NodeSelector<Node> selector)

getTransformer

public NodeTransformer<T,Node> getTransformer()

setTransformer

public void setTransformer(NodeTransformer<T,Node> transformer)

getFieldConfig

public Map<String,String> getFieldConfig()

setFieldConfig

public void setFieldConfig(Map<String,String> fieldConfig)

getValues

public Collection<T> getValues(RDFBackend<Node> backend,
                      Node context,
                      Map<Node,List<Node>> paths)

Get the values of this mapping for the context node passed as argument, transformed into the datatype generated by the transformer.

Parameters:

backend -

context -

Returns:

getValues

public Collection<T> getValues(RDFBackend<Node> backend,
                      Node context)

Get the values of this mapping for the context node passed as argument, transformed into the datatype generated by the transformer.

Parameters:

backend -

context -

Returns:

getPathExpression

public String getPathExpression(NodeBackend<Node> backend)

Description copied from interface: LDPathConstruct

Return the representation of the NodeFunction or NodeSelector in the RDF Path Language

Specified by:

getPathExpression in interface LDPathConstruct<Node>

Returns: