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java.lang.Objectorg.deckfour.xes.extension.XExtension
org.deckfour.xes.extension.std.XTimeExtension
public class XTimeExtension
This extension defines the Time perspective on event logs. It makes it possible to assign to each event a timestamp, describing when the event has occurred.
Field Summary | |
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static XAttributeTimestamp |
ATTR_TIMESTAMP
Timestamp attribute prototype. |
static URI |
EXTENSION_URI
Unique URI of this extension. |
static String |
KEY_TIMESTAMP
Key for the timestamp attribute. |
Fields inherited from class org.deckfour.xes.extension.XExtension |
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allAttributes, eventAttributes, logAttributes, metaAttributes, name, prefix, traceAttributes, uri |
Method Summary | |
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void |
assignTimestamp(XEvent event,
Date timestamp)
Assigns to a given event its timestamp. |
void |
assignTimestamp(XEvent event,
long time)
Assigns to a given event its timestamp. |
Date |
extractTimestamp(XEvent event)
Extracts from a given event the timestamp. |
static XTimeExtension |
instance()
Provides access to the singleton instance of this extension. |
Methods inherited from class org.deckfour.xes.extension.XExtension |
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equals, getDefinedAttributes, getEventAttributes, getLogAttributes, getMetaAttributes, getName, getPrefix, getTraceAttributes, getUri, hashCode, toString |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final URI EXTENSION_URI
public static final String KEY_TIMESTAMP
public static XAttributeTimestamp ATTR_TIMESTAMP
Method Detail |
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public static XTimeExtension instance()
public Date extractTimestamp(XEvent event)
event
- Event to be queried.
null
if not defined).public void assignTimestamp(XEvent event, Date timestamp)
event
- Event to be modified.timestamp
- Timestamp, as a Date object.public void assignTimestamp(XEvent event, long time)
event
- Event to be modified.time
- Timestamp, as a long of milliseconds in UNIX time.
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