Examples with JSONObject com.ibm.json.java.JSONObject used on opensource projects

Example 26 with JSONObject

use of com.ibm.json.java.JSONObject in project streamsx.topology by IBMStreams.

the class PublishSubscribeJsonPythonTest method testPublishJsonFlatMap.

/**
	 * Json Subscribe feeding a flat map
	 */
@Test
public void testPublishJsonFlatMap() throws Exception {
    Random r = new Random();
    final Topology t = new Topology();
    JSONObject j1 = new JSONObject();
    j1.put("a", r.nextLong());
    j1.put("b", "Hello:" + r.nextInt(200));
    JSONObject j2 = new JSONObject();
    j2.put("a", r.nextLong());
    j2.put("b", "Goodbye:" + r.nextInt(200));
    JSONObject j3 = new JSONObject();
    j3.put("a", r.nextLong());
    j3.put("b", "So long:" + r.nextInt(200));
    String s1a = j1.get("a").toString();
    String s1b = j1.get("b").toString();
    String s2a = j2.get("a").toString();
    String s2b = j2.get("b").toString();
    String s3a = j3.get("a").toString();
    String s3b = j3.get("b").toString();
    includePythonApp(t, "json_flatmap_string.py", "json_flatmap_string::json_flatmap_str");
    TStream<JSONObject> source = t.constants(Arrays.asList(j1, j2, j3));
    source = addStartupDelay(source).asType(JSONObject.class);
    source.publish("pytest/json/flatmap");
    TStream<String> subscribe = t.subscribe("pytest/json/flatmap/result", String.class);
    completeAndValidate(subscribe, 60, s1a, s1b, s2a, s2b, s3a, s3b);
}

Example 27 with JSONObject

use of com.ibm.json.java.JSONObject in project streamsx.topology by IBMStreams.

the class HTTPStreams method getJSON.

/**
     * Periodically poll a web service using HTTP {@code GET} for
     * {@code application/json} data. Declares a source stream that will contain
     * a single tuple for each successful {@code GET}. The tuple is the complete
     * JSON ({@code application/json} content) returned by the request.
     * 
     * @param te
     *            Topology the source stream will be contained in.
     * @param url
     *            URL to poll.
     * @param period
     *            Poling period.
     * @param unit
     *            Unit for {@code period}.
     * @return Stream that will contain the JSON tuples from periodic HTTP
     *         {@code GET} requests.
     */
public static TStream<JSONObject> getJSON(TopologyElement te, String url, long period, TimeUnit unit) {
    Map<String, Object> params = new HashMap<>();
    params.put("url", url);
    double dperiod = (unit.toMillis(period) / 1000.0);
    params.put("period", dperiod);
    SPLStream rawJson = SPL.invokeSource(te, "com.ibm.streamsx.inet.http::HTTPGetJSONContent", params, JSONSchemas.JSON);
    TStream<String> string = SPLStreams.toStringStream(rawJson);
    return JSONStreams.deserialize(string);
}

Example 28 with JSONObject

use of com.ibm.json.java.JSONObject in project streamsx.topology by IBMStreams.

the class GraphBuilder method isInLowLatencyRegion.

public boolean isInLowLatencyRegion(BOperator... operators) {
    // handle nested low latency regions
    JSONObject graph = complete();
    final VisitController visitController = new VisitController(Direction.UPSTREAM);
    final int[] openRegionCount = { 0 };
    for (BOperator operator : operators) {
        JSONObject jop = operator.complete();
        GraphUtilities.visitOnce(visitController, Collections.singleton(JSON4JUtilities.gson(jop)), JSON4JUtilities.gson(graph), new Consumer<JsonObject>() {

            private static final long serialVersionUID = 1L;

            @Override
            public void accept(JsonObject jo) {
                String kind = GsonUtilities.jstring(jo, "kind");
                if (LOW_LATENCY.kind().equals(kind)) {
                    if (openRegionCount[0] <= 0)
                        visitController.setStop();
                    else
                        openRegionCount[0]--;
                } else if (END_LOW_LATENCY.kind().equals(kind))
                    openRegionCount[0]++;
            }
        });
        if (visitController.stopped() || openRegionCount[0] > 0)
            return true;
    }
    return false;
}

Example 29 with JSONObject

use of com.ibm.json.java.JSONObject in project streamsx.topology by IBMStreams.

the class GraphBuilder method complete.

@Override
public JSONObject complete() {
    JSONObject json = json();
    JSONArray oa = new JSONArray(ops.size());
    for (BOperator op : ops) {
        oa.add(op.complete());
    }
    json.put("operators", oa);
    return json;
}

Example 30 with JSONObject

use of com.ibm.json.java.JSONObject in project streamsx.topology by IBMStreams.

the class StreamsContextSubmit method main.

public static void main(String[] args) throws Exception {
    String context = args[0];
    String JSONPath = args[1];
    File JSONFile = new File(JSONPath);
    try (FileInputStream fis = new FileInputStream(JSONFile)) {
        JSONObject json = JSONObject.parse(fis);
        fis.close();
        StreamsContext<?> sc = StreamsContextFactory.getStreamsContext(context);
        Object rc = sc.submit(json).get();
        if (rc instanceof Integer)
            System.exit((Integer) rc);
    }
}