Examples with Expr org.apache.jena.sparql.expr.Expr used on opensource projects

Example 11 with Expr

use of org.apache.jena.sparql.expr.Expr in project jena by apache.

the class TestExpressions method testNumeric.

private static void testNumeric(String string, BigInteger integer) {
    Expr expr = parse(string);
    NodeValue v = expr.eval(BindingFactory.binding(), new FunctionEnvBase());
    assertTrue(v.isInteger());
    assertEquals(integer, v.getInteger());
}

Example 12 with Expr

use of org.apache.jena.sparql.expr.Expr in project jena by apache.

the class TestExpressions method testNumeric.

private static void testNumeric(String string, BigDecimal decimal) {
    Expr expr = parse(string);
    NodeValue v = expr.eval(BindingFactory.binding(), new FunctionEnvBase());
    assertTrue(v.isDecimal());
    assertEquals(decimal, v.getDecimal());
}

Example 13 with Expr

use of org.apache.jena.sparql.expr.Expr in project jena by apache.

the class TestExpressions method testURI.

private static void testURI(String string, String uri) {
    Expr expr = parse(string);
    NodeValue v = expr.eval(env, new FunctionEnvBase());
    assertTrue(v.isIRI());
    assertEquals(uri, v.getNode().getURI());
}

Example 14 with Expr

use of org.apache.jena.sparql.expr.Expr in project jena by apache.

the class TestExpressions method testString.

private static void testString(String string) {
    Expr expr = parse(string);
    NodeValue v = expr.eval(env, new FunctionEnvBase());
    assertTrue(v.isString());
}

Example 15 with Expr

use of org.apache.jena.sparql.expr.Expr in project jena by apache.

the class AggregationHandler method add.

/**
	 * Add and expression aggregator and variable to the mapping.
	 * 
	 * if the expr parameter is not an instance of ExprAggregator then no action is taken.
	 * 
	 * @param expr The expression to add.
	 * @param var The variable that it is bound to.
	 */
public void add(Expr expr, Var var) {
    if (expr instanceof ExprAggregator) {
        ExprAggregator eAgg = (ExprAggregator) expr;
        Expr expr2 = query.allocAggregate(eAgg.getAggregator());
        aggMap.put(var, (ExprAggregator) expr2);
    }
}