Examples with Symbol org.apache.jena.sparql.util.Symbol used on opensource projects

Example 1 with Symbol

use of org.apache.jena.sparql.util.Symbol in project jena by apache.

the class RDFReaderRIOT method setProperty.

@Override
public Object setProperty(String propName, Object propValue) {
    Symbol sym = Symbol.create(basename + propName);
    Object oldObj = context.get(sym);
    return oldObj;
}

Example 2 with Symbol

use of org.apache.jena.sparql.util.Symbol in project jena by apache.

the class RDFWriterRIOT method setProperty.

@Override
public Object setProperty(String propName, Object propValue) {
    Symbol sym = Symbol.create(basename + "#" + propName);
    Object oldObj = context.get(sym);
    context.set(sym, propValue);
    properties.put(propName, propValue);
    // These are added to any Jena RDFWriter (old-style, e.g. RDF/XML) in  
    return oldObj;
}

Example 3 with Symbol

use of org.apache.jena.sparql.util.Symbol in project jena by apache.

the class ContextMBean method getMBeanInfo.

@Override
public MBeanInfo getMBeanInfo() {
    /*
         * MBeanAttributeInfo(String name, String type, String description, boolean isReadable, boolean isWritable, boolean isIs) 
         */
    MBeanAttributeInfo[] attrInfo = new MBeanAttributeInfo[context.size()];
    int idx = 0;
    for (Symbol sk : context.keys()) {
        // Not all are settable - only is string, boolean, integer.
        Object obj = context.get(sk);
        boolean settable = false;
        if (obj instanceof String)
            settable = true;
        if (obj instanceof Boolean)
            settable = true;
        if (obj instanceof Integer)
            settable = true;
        MBeanAttributeInfo attr = new MBeanAttributeInfo(sk.getSymbol(), "java.lang.String", sk.getSymbol(), true, settable, false);
        attrInfo[idx++] = attr;
    }
    /*
         * String className,
                 String description,
                 MBeanAttributeInfo[] attributes,
                 MBeanConstructorInfo[] constructors,
                 MBeanOperationInfo[] operations,
                 MBeanNotificationInfo[] notifications)
          throws IllegalArgumentException
         */
    MBeanInfo info = new MBeanInfo(this.getClass().getName(), "ARQ global context", attrInfo, // Constructors
    null, // Operations
    null, // Notifications
    null);
    return info;
}

Example 4 with Symbol

use of org.apache.jena.sparql.util.Symbol in project jena by apache.

the class AssemblerUtils method setContext.

/** Look for and set context declarations. 
     * e.g.
     * <pre>
     * root ... ;
     *   ja:context [ ja:cxtName "arq:queryTimeout" ;  ja:cxtValue "10000" ] ;
     *   ...
     * </pre>
     * Short name forms of context parameters can be used.  
     * Setting as string "undef" will remove the context setting.
     */
public static void setContext(Resource r, Context context) {
    String qs = "PREFIX ja: <" + JA.getURI() + ">\nSELECT * { ?x ja:context [ ja:cxtName ?name ; ja:cxtValue ?value ] }";
    QuerySolutionMap qsm = new QuerySolutionMap();
    qsm.add("x", r);
    QueryExecution qExec = QueryExecutionFactory.create(qs, r.getModel(), qsm);
    ResultSet rs = qExec.execSelect();
    while (rs.hasNext()) {
        QuerySolution soln = rs.next();
        String name = soln.getLiteral("name").getLexicalForm();
        // Works for numbers as well!
        String value = soln.getLiteral("value").getLexicalForm();
        name = MappingRegistry.mapPrefixName(name);
        Symbol symbol = Symbol.create(name);
        if ("undef".equalsIgnoreCase(value))
            context.remove(symbol);
        else
            context.set(symbol, value);
    }
}

Example 5 with Symbol

use of org.apache.jena.sparql.util.Symbol in project jena by apache.

the class SettingAssembler method open.

/* 
     *  :setting [ :name tdbsym:name ; :value "SPO.idx" ]
     */
//@Override
public Object open(Assembler a, Resource root, Mode mode) {
    Resource r = getResourceValue(root, pSetting);
    String k = getAsStringValue(r, pName);
    String v = getAsStringValue(r, pValue);
    Symbol symbol = Symbol.create(k);
    ARQ.getContext().set(symbol, v);
    return r;
}