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

com.hp.hpl.jena.sparql.util.Context
A class for setting and keeping named values. Used to pass implementation-specific parameters across general interfaces.

     *            the Query to execute.
     * @return An HttpQuery configured as per the context.
     */
    private static HttpQuery configureQuery(String uri, Context parentContext, Query query) {
        HttpQuery httpQuery = new HttpQuery(uri);
        Context context = new Context(parentContext);


        // add the context settings from the service context
        @SuppressWarnings("unchecked")
        Map<String, Context> serviceContextMap = (Map<String, Context>) context.get(serviceContext);
        if (serviceContextMap != null) {
            Context serviceContext = serviceContextMap.get(uri);
            if (serviceContext != null)
                context.putAll(serviceContext);
        }


        // configure the query object.

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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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    // ----
    
    public static Procedure build(Node procId, PropFuncArg subjArg, PropFuncArg objArg, ExecutionContext execCxt)
    {
        Context context = execCxt.getContext() ;
        PropertyFunctionRegistry reg = PropertyFunctionRegistry.chooseRegistry(context) ;
        PropertyFunctionFactory f = reg.get(procId.getURI()) ;
        PropertyFunction pf = f.create(procId.getURI()) ;
        pf.build(subjArg, procId, objArg, execCxt) ;
        //Make wrapper

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    private QueryEngineHTTP(String serviceURI, Query query, String queryString, HttpAuthenticator authenticator) {
        this.query = query;
        this.queryString = queryString;
        this.service = serviceURI;
        // Copy the global context to freeze it.
        this.context = new Context(ARQ.getContext());


        // Apply service configuration if relevant
        QueryEngineHTTP.applyServiceConfig(serviceURI, this);
        
        // Don't want to overwrite credentials we may have picked up from

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            return;


        @SuppressWarnings("unchecked")
        Map<String, Context> serviceContextMap = (Map<String, Context>) engine.context.get(Service.serviceContext);
        if (serviceContextMap != null && serviceContextMap.containsKey(serviceURI)) {
            Context serviceContext = serviceContextMap.get(serviceURI);
            if (log.isDebugEnabled())
                log.debug("Endpoint URI {} has SERVICE Context: {} ", serviceURI, serviceContext);


            // Apply behavioral options
            engine.setAllowGZip(serviceContext.isTrueOrUndef(Service.queryGzip));
            engine.setAllowDeflate(serviceContext.isTrueOrUndef(Service.queryDeflate));
            applyServiceTimeouts(engine, serviceContext);


            // Apply authentication settings
            String user = serviceContext.getAsString(Service.queryAuthUser);
            String pwd = serviceContext.getAsString(Service.queryAuthPwd);


            if (user != null || pwd != null) {
                user = user == null ? "" : user;
                pwd = pwd == null ? "" : pwd;
                if (log.isDebugEnabled())

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     */
    private static void applyServiceConfig(String serviceURI, UpdateProcessRemoteBase engine) {
        @SuppressWarnings("unchecked")
        Map<String, Context> serviceContextMap = (Map<String, Context>) engine.context.get(Service.serviceContext);
        if (serviceContextMap != null && serviceContextMap.containsKey(serviceURI)) {
            Context serviceContext = serviceContextMap.get(serviceURI);
            if (log.isDebugEnabled())
                log.debug("Endpoint URI {} has SERVICE Context: {} ", serviceURI, serviceContext);


            // Apply authentication settings
            String user = serviceContext.getAsString(Service.queryAuthUser);
            String pwd = serviceContext.getAsString(Service.queryAuthPwd);


            if (user != null || pwd != null) {
                user = user == null ? "" : user;
                pwd = pwd == null ? "" : pwd;
                if (log.isDebugEnabled())

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    }


    private static Plan makePlan(Query query, DatasetGraph dataset, Binding input, Context context)
    {
        if ( context == null )
            context = new Context(ARQ.getContext()) ;
        if ( input == null )
            input = BindingRoot.create() ; 
        QueryEngineFactory f = findFactory(query, dataset, context) ;
        if ( f == null )
            return null ;

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    // Force a call
    static { init() ; }
    
    private static Context defaultSettings()    
    {
        Context context = new Context() ;
        setNormalMode(context) ;
        return context ; 
    }

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    private QueryEngineHTTP(String serviceURI, Query query, String queryString, HttpAuthenticator authenticator) {
        this.query = query;
        this.queryString = queryString;
        this.service = serviceURI;
        // Copy the global context to freeze it.
        this.context = new Context(ARQ.getContext());


        // Apply service configuration if relevant
        QueryEngineHTTP.applyServiceConfig(serviceURI, this);
        
        // Don't want to overwrite credentials we may have picked up from

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            return;


        @SuppressWarnings("unchecked")
        Map<String, Context> serviceContextMap = (Map<String, Context>) engine.context.get(Service.serviceContext);
        if (serviceContextMap != null && serviceContextMap.containsKey(serviceURI)) {
            Context serviceContext = serviceContextMap.get(serviceURI);
            if (log.isDebugEnabled())
                log.debug("Endpoint URI {} has SERVICE Context: {} ", serviceURI, serviceContext);


            // Apply behavioral options
            engine.setAllowGZip(serviceContext.isTrueOrUndef(Service.queryGzip));
            engine.setAllowDeflate(serviceContext.isTrueOrUndef(Service.queryDeflate));
            applyServiceTimeouts(engine, serviceContext);


            // Apply authentication settings
            String user = serviceContext.getAsString(Service.queryAuthUser);
            String pwd = serviceContext.getAsString(Service.queryAuthPwd);


            if (user != null || pwd != null) {
                user = user == null ? "" : user;
                pwd = pwd == null ? "" : pwd;
                if (log.isDebugEnabled())

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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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