org.apache.hadoop.yarn.util.timeline
Class TimelineUtils

java.lang.Object
  org.apache.hadoop.yarn.util.timeline.TimelineUtils

@InterfaceAudience.Public
@InterfaceStability.Evolving
public class TimelineUtils
extends Object

The helper class for the timeline module.

Constructor Summary

TimelineUtils()

Method Summary

static String	dumpTimelineRecordtoJSON(Object o) Serialize a POJO object into a JSON string not in a pretty format
static String	dumpTimelineRecordtoJSON(Object o, boolean pretty) Serialize a POJO object into a JSON string

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TimelineUtils

public TimelineUtils()

Method Detail

dumpTimelineRecordtoJSON

public static String dumpTimelineRecordtoJSON(Object o)
                                       throws org.codehaus.jackson.JsonGenerationException,
                                              org.codehaus.jackson.map.JsonMappingException,
                                              IOException

Serialize a POJO object into a JSON string not in a pretty format

Parameters:

o - an object to serialize

Returns:

a JSON string

Throws:

IOException

org.codehaus.jackson.map.JsonMappingException

org.codehaus.jackson.JsonGenerationException

dumpTimelineRecordtoJSON

public static String dumpTimelineRecordtoJSON(Object o,
                                              boolean pretty)
                                       throws org.codehaus.jackson.JsonGenerationException,
                                              org.codehaus.jackson.map.JsonMappingException,
                                              IOException

Serialize a POJO object into a JSON string

Parameters:

o - an object to serialize

pretty - whether in a pretty format or not

Returns:

a JSON string

Throws:

IOException

org.codehaus.jackson.map.JsonMappingException

org.codehaus.jackson.JsonGenerationException