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

Example 36 with JSONObject

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

the class WindowTest method testContinuousAggregateLastSeconds.

/**
     * Test a continuous aggregation.
     */
@Test
public void testContinuousAggregateLastSeconds() throws Exception {
    final Topology t = newTopology();
    TStream<String> source = t.periodicSource(new PeriodicStrings(), 100, TimeUnit.MILLISECONDS);
    TStream<JSONObject> aggregate = source.last(3, TimeUnit.SECONDS).aggregate(new AggregateStrings());
    TStream<String> strings = JSONStreams.serialize(aggregate);
    Tester tester = t.getTester();
    Condition<List<String>> contents = tester.stringContents(strings);
    // 10 tuples per second, each is aggregated, so 15 seconds is around 150 tuples.
    Condition<Long> ending = tester.atLeastTupleCount(strings, 150);
    complete(tester, ending, 30, TimeUnit.SECONDS);
    assertTrue(ending.valid());
    long startTs = 0;
    for (String output : contents.getResult()) {
        JSONObject agg = JSONObject.parse(output);
        JSONArray items = (JSONArray) agg.get("items");
        long ts = (Long) agg.get("ts");
        // Should see around 30 tuples per window, once we
        // pass the first three seconds.
        assertTrue("Number of tuples in window:" + items.size(), items.size() <= 45);
        if (agg.containsKey("delta")) {
            long delta = (Long) agg.get("delta");
            assertTrue(delta >= 0);
            if (startTs == 0) {
                startTs = ts;
            } else {
                long diff = ts - startTs;
                if (diff > 3000)
                    assertTrue("Number of tuples in window:" + items.size(), items.size() >= 25);
            }
        }
    }
}

Example 37 with JSONObject

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

the class JSONStreamsTest method testDeserializeArray.

/**
     * Test that if the serialized value is
     * an array, it ends up wrapped in an object.
     */
@Test
public void testDeserializeArray() throws Exception {
    final String data = "[ 100, 500, false, 200, 400 ]";
    final Topology t = new Topology();
    TStream<String> array = t.strings(data);
    TStream<JSONObject> json = JSONStreams.deserialize(array);
    TStream<String> jsonString = JSONStreams.serialize(json);
    JSONArray ja = (JSONArray) JSON.parse(data);
    JSONObject jo = new JSONObject();
    jo.put("payload", ja);
    checkJsonOutput(jo, jsonString);
}

Example 38 with JSONObject

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

the class JSONStreamsTest method testFlatten.

@Test
public void testFlatten() throws Exception {
    final Topology t = new Topology();
    final JSONObject value = new JSONObject();
    final JSONArray array = new JSONArray();
    JSONObject e1 = new JSONObject();
    e1.put("val", "hello");
    array.add(e1);
    JSONObject e2 = new JSONObject();
    e2.put("val", "goodbye");
    array.add(e2);
    JSONObject e3 = new JSONObject();
    e3.put("val", "farewell");
    array.add(e3);
    value.put("greetings", array);
    List<JSONObject> inputs = new ArrayList<>();
    inputs.add(value);
    // no list present
    inputs.add(new JSONObject());
    JSONObject emptyList = new JSONObject();
    emptyList.put("greetings", new JSONArray());
    inputs.add(emptyList);
    TStream<JSONObject> s = t.constants(inputs);
    TStream<JSONObject> jsonm = JSONStreams.flattenArray(s, "greetings");
    TStream<String> output = JSONStreams.serialize(jsonm);
    completeAndValidate(output, 10, e1.toString(), e2.toString(), e3.toString());
}

Example 39 with JSONObject

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

the class JSONStreamsTest method testJsonSPL.

@Test
public void testJsonSPL() throws Exception {
    final Topology t = new Topology();
    TStream<String> example = t.strings(JSON_EXAMPLE);
    TStream<JSONObject> json = JSONStreams.deserialize(example);
    SPLStream spl = JSONStreams.toSPL(json);
    assertEquals(JSONSchemas.JSON, spl.getSchema());
    TStream<JSONObject> jsonFromSPL = spl.toJSON();
    assertEquals(JSONObject.class, jsonFromSPL.getTupleClass());
    assertEquals(JSONObject.class, jsonFromSPL.getTupleType());
    TStream<String> jsonString = JSONStreams.serialize(jsonFromSPL);
    checkJsonOutput(JSON.parse(JSON_EXAMPLE), jsonString);
}

Example 40 with JSONObject

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

the class JSONStreamsTest method testSimpleJson.

/**
     * Convert an example JSON as a String back to a String through JSON
     * deserialization and serialization.
     */
@Test
public void testSimpleJson() throws Exception {
    final Topology t = new Topology("SimpleJson");
    TStream<String> example = t.strings(JSON_EXAMPLE);
    TStream<JSONObject> json = JSONStreams.deserialize(example);
    assertEquals(JSONObject.class, json.getTupleClass());
    assertEquals(JSONObject.class, json.getTupleType());
    TStream<String> jsonString = JSONStreams.serialize(json);
    assertEquals(String.class, jsonString.getTupleClass());
    assertEquals(String.class, jsonString.getTupleType());
    checkJsonOutput(JSON.parse(JSON_EXAMPLE), jsonString);
}