TaskID extends org.apache.hadoop.mapred.ID { public JobID getJobID() { return jobId; } TaskID(JobID jobId, TaskType type, int id);  TaskID(String jtIdentifier, int jobId, TaskType type, int id); @Deprecated  TaskID(JobID jobId, boolean isMap, int id); @Deprecated  TaskID(String jtIdentifier, int jobId, boolean isMap, int id);  TaskID(); JobID getJobID(); @Deprecated boolean isMap(); TaskType getTaskType(); @Override boolean equals(Object o); @Override int compareTo(ID o); @Override String toString(); @Override int hashCode(); @Override void readFields(DataInput in); @Override void write(DataOutput out); static TaskID forName(String str); static char getRepresentingCharacter(TaskType type); static TaskType getTaskType(char c); static String getAllTaskTypes(); static final String TASK_ID_REGEX; static final Pattern taskIdPattern; }
@Test public void testGetJobID() { JobID jobId = new JobID("1234", 0); TaskID taskId = new TaskID(jobId, TaskType.MAP, 0); assertSame("TaskID did not store the JobID correctly", jobId, taskId.getJobID()); taskId = new TaskID(); assertEquals("Job ID was set unexpectedly in default contsructor", "", taskId.getJobID().getJtIdentifier()); }