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Implement FXWorker for OpPropFunc (see #150)
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sparql-anything-engine/src/main/java/io/github/sparqlanything/engine/FXWorkerOpPropFunc.java
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| @@ -0,0 +1,92 @@ | ||
| package io.github.sparqlanything.engine; | ||
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| import org.apache.jena.sparql.algebra.op.OpPropFunc; | ||
| import org.apache.jena.sparql.core.DatasetGraph; | ||
| import org.apache.jena.sparql.engine.ExecutionContext; | ||
| import org.apache.jena.sparql.engine.QueryIterator; | ||
| import org.apache.jena.sparql.engine.main.QC; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import java.util.Properties; | ||
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| public class FXWorkerOpPropFunc extends FXWorker<OpPropFunc> { | ||
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| private static final Logger logger = LoggerFactory.getLogger(FXWorkerOpPropFunc.class); | ||
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| public FXWorkerOpPropFunc(TriplifierRegister tr, DatasetGraphCreator dgc){ | ||
| super(tr, dgc); | ||
| } | ||
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| @Override | ||
| public QueryIterator execute(OpPropFunc op, QueryIterator input, ExecutionContext executionContext, DatasetGraph dg, Properties p) { | ||
| return QC.execute(op, input, Utils.getFacadeXExecutionContext(executionContext, p, dg)); | ||
| } | ||
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| @Override | ||
| public void extractProperties(Properties p, OpPropFunc op) throws UnboundVariableException { | ||
| // Do nop | ||
| } | ||
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| // @Override | ||
| // public QueryIterator execute(OpService op, QueryIterator input, ExecutionContext executionContext, DatasetGraph dg, Properties p) { | ||
| // return QC.execute(op.getSubOp(), input, Utils.getFacadeXExecutionContext(executionContext, p, dg)); | ||
| // } | ||
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| // @Override | ||
| // public void extractProperties(Properties properties, OpService opService) throws UnboundVariableException { | ||
| // String url = opService.getService().getURI(); | ||
| // // Parse IRI only if contains properties | ||
| // if (!url.equals(FacadeIRIParser.SPARQL_ANYTHING_URI_SCHEMA)) { | ||
| // FacadeIRIParser p = new FacadeIRIParser(url); | ||
| // properties.putAll(p.getProperties()); | ||
| // } | ||
| // | ||
| // // Setting defaults | ||
| // if (!properties.containsKey(IRIArgument.NAMESPACE.toString())) { | ||
| // logger.trace("Setting default value for namespace: {}", Triplifier.XYZ_NS); | ||
| // properties.setProperty(IRIArgument.NAMESPACE.toString(), Triplifier.XYZ_NS); | ||
| // } | ||
| // // Setting silent | ||
| // if (opService.getSilent()) { | ||
| // // we can only see if silent was specified at the OpService so we need to stash | ||
| // // a boolean | ||
| // // at this point so we can use it when we triplify further down the Op tree | ||
| // properties.setProperty(IRIArgument.OP_SERVICE_SILENT.toString(), "true"); | ||
| // } | ||
| // | ||
| // Op next = opService.getSubOp(); | ||
| // FXBGPFinder vis = new FXBGPFinder(); | ||
| // next.visit(vis); | ||
| // logger.trace("Has Table {}", vis.hasTable()); | ||
| // | ||
| // if (vis.getBGP() != null) { | ||
| // try { | ||
| // PropertyExtractor.extractPropertiesFromBGP(properties, vis.getBGP()); | ||
| // } catch (UnboundVariableException e) { | ||
| // if (vis.hasTable()) { | ||
| // logger.trace(vis.getOpTable().toString()); | ||
| // logger.trace("BGP {}", vis.getBGP()); | ||
| // logger.trace("Contains variable names {}", vis.getOpTable().getTable().getVarNames().contains(e.getVariableName())); | ||
| // if (vis.getOpTable().getTable().getVarNames().contains(e.getVariableName())) { | ||
| // e.setOpTable(vis.getOpTable()); | ||
| // } | ||
| // } | ||
| // | ||
| // if (vis.getOpExtend() != null) { | ||
| // logger.trace("OpExtend {}", vis.getOpExtend()); | ||
| // for (Var var : vis.getOpExtend().getVarExprList().getVars()) { | ||
| // if (var.getName().equals(e.getVariableName())) { | ||
| // e.setOpExtend(vis.getOpExtend()); | ||
| // } | ||
| // } | ||
| // } | ||
| // | ||
| // throw e; | ||
| // } | ||
| // logger.trace("Number of properties {}: {}", properties.size(), properties); | ||
| // } else { | ||
| // logger.trace("Couldn't find OpGraph"); | ||
| // } | ||
| // } | ||
| } |
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