org.wikidata.query.rdf.blazegraph.mwapi

Class MWApiServiceCall

java.lang.Object

org.wikidata.query.rdf.blazegraph.mwapi.MWApiServiceCall

All Implemented Interfaces:

com.bigdata.rdf.sparql.ast.service.BigdataServiceCall, com.bigdata.rdf.sparql.ast.service.MockIVReturningServiceCall, com.bigdata.rdf.sparql.ast.service.ServiceCall<com.bigdata.bop.IBindingSet>

public class MWApiServiceCall
extends Object
implements com.bigdata.rdf.sparql.ast.service.MockIVReturningServiceCall, com.bigdata.rdf.sparql.ast.service.BigdataServiceCall

Instance of API service call.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MWApiServiceCall.ResultWithContinue

Method Summary

Modifier and Type	Method and Description
cutthecrap.utils.striterators.ICloseableIterator<com.bigdata.bop.IBindingSet>	call(com.bigdata.bop.IBindingSet[] bindingSets)
List<com.bigdata.bop.IVariable<com.bigdata.rdf.internal.IV>>	getMockVariables()
Map<String,String>	getRequestParams(com.bigdata.bop.IBindingSet binding) Get parameter string from binding.
com.bigdata.rdf.sparql.ast.service.IServiceOptions	getServiceOptions()
com.google.common.collect.ImmutableMap<String,String>	parseContinue(Document doc, XPath xpath) Extract all continue variables from response.
MWApiServiceCall.ResultWithContinue	parseResponse(InputStream responseStream, com.bigdata.bop.IBindingSet binding) Parse XML response from WM API.

Methods inherited from class java.lang.Object

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

Method Detail

getServiceOptions

public com.bigdata.rdf.sparql.ast.service.IServiceOptions getServiceOptions()

Specified by:

getServiceOptions in interface com.bigdata.rdf.sparql.ast.service.ServiceCall<com.bigdata.bop.IBindingSet>

call

public cutthecrap.utils.striterators.ICloseableIterator<com.bigdata.bop.IBindingSet> call(com.bigdata.bop.IBindingSet[] bindingSets)
                                                                                   throws Exception

Specified by:

call in interface com.bigdata.rdf.sparql.ast.service.ServiceCall<com.bigdata.bop.IBindingSet>

Throws:

Exception

getRequestParams

public Map<String,String> getRequestParams(com.bigdata.bop.IBindingSet binding)

Get parameter string from binding.

Parameters:

binding -

Returns:

getMockVariables

public List<com.bigdata.bop.IVariable<com.bigdata.rdf.internal.IV>> getMockVariables()

Specified by:

getMockVariables in interface com.bigdata.rdf.sparql.ast.service.MockIVReturningServiceCall

parseContinue

@Nullable
public com.google.common.collect.ImmutableMap<String,String> parseContinue(Document doc,
                                                                                     XPath xpath)

Extract all continue variables from response. Only api/continue is supported for now.

Parameters:

doc -

Returns:

Map with continue variables, or null if no continue.

parseResponse

public MWApiServiceCall.ResultWithContinue parseResponse(InputStream responseStream,
                                                         com.bigdata.bop.IBindingSet binding)
                                                  throws SAXException,
                                                         IOException,
                                                         XPathExpressionException

Parse XML response from WM API.

Parameters:

responseStream - Response body as stream

binding - Current binding set.

Returns:

Set of resulting bindings, or null if none found.

Throws:

SAXException - on error

IOException - on error

XPathExpressionException - on error