Package com.hp.hpl.jena.sparql.util

Examples of com.hp.hpl.jena.sparql.util.Context

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    public void testNoSpill()
    {
        iterator.setCallback(new Callback() { @Override
        public void call() { /* do nothing */ } });
        assertEquals(0, iterator.getReturnedElementCount());
        Context context = new Context() ;
        ExecutionContext executionContext = new ExecutionContext(context, (Graph)null, (DatasetGraph)null, (OpExecutorFactory)null) ;
        QueryIterSort qIter = new QueryIterSort(iterator, comparator, executionContext) ;
        try
        {
            assertEquals(0, iterator.getReturnedElementCount()) ;
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    public void testCleanAfterClose()
    {
        iterator.setCallback(new Callback() { @Override
        public void call() { /* do nothing */ } });
        assertEquals(0, iterator.getReturnedElementCount());
        Context context = new Context() ;
        context.set(ARQ.spillToDiskThreshold, 10L) ;
        ExecutionContext executionContext = new ExecutionContext(context, (Graph)null, (DatasetGraph)null, (OpExecutorFactory)null) ;
        QueryIterSort qIter = new QueryIterSort(iterator, comparator, executionContext) ;
        try
        {
            assertEquals(0, iterator.getReturnedElementCount()) ;
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    public void testCleanAfterExhaustion()
    {
        iterator.setCallback(new Callback() { @Override
        public void call() { /* do nothing */ } });
        assertEquals(0, iterator.getReturnedElementCount());
        Context context = new Context() ;
        context.set(ARQ.spillToDiskThreshold, 10L) ;
        ExecutionContext executionContext = new ExecutionContext(context, (Graph)null, (DatasetGraph)null, (OpExecutorFactory)null) ;
        QueryIterSort qIter = new QueryIterSort(iterator, comparator, executionContext) ;
       
        // Usually qIter should be in a try/finally block, but we are testing the case that the user forgot to do that.
        // As a failsafe, QueryIteratorBase should close it when the iterator is exhausted.
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    @Test(expected=QueryCancelledException.class)
    public void testCancelInterruptsInitialisation()
    {

        assertEquals(0, iterator.getReturnedElementCount());
        Context context = new Context() ;
        context.set(ARQ.spillToDiskThreshold, 10L) ;
        ExecutionContext executionContext = new ExecutionContext(context, (Graph)null, (DatasetGraph)null, (OpExecutorFactory)null) ;
        QueryIterSort qIter = new QueryIterSort(iterator, comparator, executionContext) ;
        try
        {
            assertEquals(0, iterator.getReturnedElementCount()) ;
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    @Test(expected=QueryCancelledException.class)
    public void testCancelInterruptsExternalSortAfterStartingIteration()
    {
        assertEquals(0, iterator.getReturnedElementCount());
        Context context = new Context() ;
        context.set(ARQ.spillToDiskThreshold, 10L) ;
        ExecutionContext executionContext = new ExecutionContext(context, (Graph)null, (DatasetGraph)null, (OpExecutorFactory)null) ;
        QueryIterSort qIter = new QueryIterSort(iterator, comparator, executionContext) ;
        try
        {
            assertEquals(0, iterator.getReturnedElementCount()) ;
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    {
        iterator = new CallbackIterator(unsorted.iterator(), 25, null);
        iterator.setCallback(new Callback() { @Override
        public void call() { /* do nothing */ } });
        assertEquals(0, iterator.getReturnedElementCount());
        Context context = new Context() ;
        context.set(ARQ.spillToDiskThreshold, 10L) ;
        ExecutionContext executionContext = new ExecutionContext(context, (Graph)null, (DatasetGraph)null, (OpExecutorFactory)null) ;
        QueryIterSort qIter = new QueryIterSort(iterator, comparator, executionContext) ;
        try
        {
            assertTrue(qIter.hasNext()) ;
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    public static DatasetGraph create(DatasetGraph dsg, TextIndex textIndex)
    {
        TextDocProducer producer = new TextDocProducerTriples(textIndex.getDocDef(), textIndex) ;
        DatasetGraph dsgt = new DatasetGraphText(dsg, textIndex, producer) ;
        // Also set on dsg
        Context c = dsgt.getContext() ;
       
        dsgt.getContext().set(TextQuery.textIndex, textIndex) ;
        return dsgt ;

    }
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        this.prefixMapping = null ;
        if ( query != null )
            prefixMapping = query.getPrefixMapping() ;
        if ( context == null )
            context = SDB.getContext() ;
        this.context = new Context(context) ;
    }
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        try {
            String sqlStr = store.getSQLGenerator().generateSQL(request, b.getSqlNode()) ;
            //System.out.println(sqlStr) ;
            ResultSetJDBC tableData = store.getConnection().execQuery(sqlStr) ;
            ExecutionContext execCxt = new ExecutionContext(new Context(), null, null, null) ;
            return b.assembleResults(tableData, BindingRoot.create(), execCxt) ;
        } catch (SQLException ex)
        { throw new SDBExceptionSQL(ex) ; }
    }
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    // ----
   
    public static Procedure build(Node procId, ExprList args, ExecutionContext execCxt)
    {
        Context context = execCxt.getContext() ;
        ProcedureRegistry reg = chooseProcedureRegistry(context) ;
        ProcedureFactory f = reg.get(procId.getURI()) ;
        Procedure proc = f.create(procId.getURI()) ;
        args.prepareExprs(context) ;        // Allow args to build as well.
        proc.build(procId, args, execCxt) ;
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Related Classes of com.hp.hpl.jena.sparql.util.Context

  • com.hp.hpl.jena.query.ARQ
  • com.hp.hpl.jena.query.QueryExecutionFactory
  • com.hp.hpl.jena.sdb.core.SDBRequest
  • com.hp.hpl.jena.sdb.store.TupleTable
  • com.hp.hpl.jena.sparql.core.TestContext
  • com.hp.hpl.jena.sparql.engine.http.QueryEngineHTTP
  • com.hp.hpl.jena.sparql.engine.http.Service
  • com.hp.hpl.jena.sparql.engine.http.TestService
  • com.hp.hpl.jena.sparql.engine.iterator.TestQueryIterSort
  • com.hp.hpl.jena.sparql.modify.UpdateProcessRemoteBase
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