eval one result

eval one handle

public static EvalResultIterator eval(String functionCall) throws TestEvalException {
	    
	    String imports = 
	            "import module namespace sem = 'http://marklogic.com/semantics' at '/MarkLogic/semantics.xqy';\n";
	            
	    ServerEvaluationCall call = 
	            client.newServerEval().xquery(entityServicesImport + functionCall);
	    EvalResultIterator results = null;
	    try {
	    	results = call.eval();
	    } catch (FailedRequestException e) {
	    	throw new TestEvalException(e);
	    }
	    return results;
	}

	protected static <T extends AbstractReadHandle> T evalOneResult(String functionCall, T handle) throws TestEvalException {
		EvalResultIterator results =  eval(functionCall);
		EvalResult result = null;
		if (results.hasNext()) {
			result = results.next();
			return result.get(handle);
		} else {
			return null;
		}
	}