Examples with ObjectMapper com.fasterxml.jackson.databind.ObjectMapper used on opensource projects

Example 11 with ObjectMapper

use of com.fasterxml.jackson.databind.ObjectMapper in project flink by apache.

the class CheckpointStatsHandlerTest method testCheckpointStatsRequest.

/**
	 * Tests a complete checkpoint stats snapshot.
	 */
@Test
public void testCheckpointStatsRequest() throws Exception {
    TestCheckpointStats testCheckpointStats = createTestCheckpointStats();
    CheckpointStatsHandler handler = new CheckpointStatsHandler(mock(ExecutionGraphHolder.class));
    String json = handler.handleRequest(testCheckpointStats.graph, Collections.<String, String>emptyMap());
    ObjectMapper mapper = new ObjectMapper();
    JsonNode rootNode = mapper.readTree(json);
    compareCheckpointStats(testCheckpointStats, rootNode);
}

Example 12 with ObjectMapper

use of com.fasterxml.jackson.databind.ObjectMapper in project flink by apache.

the class CheckpointStatsHandlerTest method testArchiver.

@Test
public void testArchiver() throws IOException {
    JsonArchivist archivist = new CheckpointStatsDetailsHandler.CheckpointStatsDetailsJsonArchivist();
    TestCheckpointStats testCheckpointStats = createTestCheckpointStats();
    when(testCheckpointStats.graph.getJobID()).thenReturn(new JobID());
    Collection<ArchivedJson> archives = archivist.archiveJsonWithPath(testCheckpointStats.graph);
    Assert.assertEquals(3, archives.size());
    ObjectMapper mapper = new ObjectMapper();
    Iterator<ArchivedJson> iterator = archives.iterator();
    ArchivedJson archive1 = iterator.next();
    Assert.assertEquals("/jobs/" + testCheckpointStats.graph.getJobID() + "/checkpoints/details/" + testCheckpointStats.inProgress.getCheckpointId(), archive1.getPath());
    compareInProgressCheckpoint(testCheckpointStats.inProgress, mapper.readTree(archive1.getJson()));
    ArchivedJson archive2 = iterator.next();
    Assert.assertEquals("/jobs/" + testCheckpointStats.graph.getJobID() + "/checkpoints/details/" + testCheckpointStats.completedSavepoint.getCheckpointId(), archive2.getPath());
    compareCompletedSavepoint(testCheckpointStats.completedSavepoint, mapper.readTree(archive2.getJson()));
    ArchivedJson archive3 = iterator.next();
    Assert.assertEquals("/jobs/" + testCheckpointStats.graph.getJobID() + "/checkpoints/details/" + testCheckpointStats.failed.getCheckpointId(), archive3.getPath());
    compareFailedCheckpoint(testCheckpointStats.failed, mapper.readTree(archive3.getJson()));
}

Example 13 with ObjectMapper

use of com.fasterxml.jackson.databind.ObjectMapper in project flink by apache.

the class JobVertexBackPressureHandlerTest method testResponseStatsAvailable.

/** Tests the response when stats are available */
@Test
public void testResponseStatsAvailable() throws Exception {
    ExecutionJobVertex jobVertex = mock(ExecutionJobVertex.class);
    BackPressureStatsTracker statsTracker = mock(BackPressureStatsTracker.class);
    OperatorBackPressureStats stats = new OperatorBackPressureStats(0, System.currentTimeMillis(), new double[] { 0.31, 0.48, 1.0, 0.0 });
    when(statsTracker.getOperatorBackPressureStats(any(ExecutionJobVertex.class))).thenReturn(Option.apply(stats));
    JobVertexBackPressureHandler handler = new JobVertexBackPressureHandler(mock(ExecutionGraphHolder.class), statsTracker, 9999);
    String response = handler.handleRequest(jobVertex, Collections.<String, String>emptyMap());
    ObjectMapper mapper = new ObjectMapper();
    JsonNode rootNode = mapper.readTree(response);
    // Single element
    assertEquals(4, rootNode.size());
    // Status
    JsonNode status = rootNode.get("status");
    assertNotNull(status);
    assertEquals("ok", status.textValue());
    // Back pressure level
    JsonNode backPressureLevel = rootNode.get("backpressure-level");
    assertNotNull(backPressureLevel);
    assertEquals("high", backPressureLevel.textValue());
    // End time stamp
    JsonNode endTimeStamp = rootNode.get("end-timestamp");
    assertNotNull(endTimeStamp);
    assertEquals(stats.getEndTimestamp(), endTimeStamp.longValue());
    // Subtasks
    JsonNode subTasks = rootNode.get("subtasks");
    assertEquals(stats.getNumberOfSubTasks(), subTasks.size());
    for (int i = 0; i < subTasks.size(); i++) {
        JsonNode subTask = subTasks.get(i);
        JsonNode index = subTask.get("subtask");
        assertEquals(i, index.intValue());
        JsonNode level = subTask.get("backpressure-level");
        assertEquals(JobVertexBackPressureHandler.getBackPressureLevel(stats.getBackPressureRatio(i)), level.textValue());
        JsonNode ratio = subTask.get("ratio");
        assertEquals(stats.getBackPressureRatio(i), ratio.doubleValue(), 0.0);
    }
    // Verify not triggered
    verify(statsTracker, never()).triggerStackTraceSample(any(ExecutionJobVertex.class));
}

Example 14 with ObjectMapper

use of com.fasterxml.jackson.databind.ObjectMapper in project flink by apache.

the class CheckpointConfigHandlerTest method testAtLeastOnce.

/**
	 * Tests the that the isExactlyOnce flag is respected.
	 */
@Test
public void testAtLeastOnce() throws Exception {
    GraphAndSettings graphAndSettings = createGraphAndSettings(false, false);
    AccessExecutionGraph graph = graphAndSettings.graph;
    CheckpointConfigHandler handler = new CheckpointConfigHandler(mock(ExecutionGraphHolder.class));
    String json = handler.handleRequest(graph, Collections.<String, String>emptyMap());
    ObjectMapper mapper = new ObjectMapper();
    JsonNode rootNode = mapper.readTree(json);
    assertEquals("at_least_once", rootNode.get("mode").asText());
}

Example 15 with ObjectMapper

use of com.fasterxml.jackson.databind.ObjectMapper in project hadoop by apache.

the class KMSClientProvider method writeJson.

private static void writeJson(Map map, OutputStream os) throws IOException {
    Writer writer = new OutputStreamWriter(os, StandardCharsets.UTF_8);
    ObjectMapper jsonMapper = new ObjectMapper();
    jsonMapper.writerWithDefaultPrettyPrinter().writeValue(writer, map);
}