org.apache.hadoop.mapred

Class ClusterStatus.BlackListInfo

java.lang.Object

org.apache.hadoop.mapred.ClusterStatus.BlackListInfo

All Implemented Interfaces:

org.apache.hadoop.io.Writable

Enclosing class:

ClusterStatus

public static class ClusterStatus.BlackListInfo
extends Object
implements org.apache.hadoop.io.Writable

Class which encapsulates information about a blacklisted tasktracker. The information includes the tasktracker's name and reasons for getting blacklisted. The toString method of the class will print the information in a whitespace separated fashion to enable parsing.

Method Summary

Methods

Modifier and Type	Method and Description
String	getBlackListReport() Gets a descriptive report about why the tasktracker was blacklisted.
String	getReasonForBlackListing() Gets the reason for which the tasktracker was blacklisted.
String	getTrackerName() Gets the blacklisted tasktracker's name.
void	readFields(DataInput in)
String	toString()
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Method Detail

getTrackerName

public String getTrackerName()

Gets the blacklisted tasktracker's name.

Returns:

tracker's name.

getReasonForBlackListing

public String getReasonForBlackListing()

Gets the reason for which the tasktracker was blacklisted.

Returns:

reason which tracker was blacklisted

getBlackListReport

public String getBlackListReport()

Gets a descriptive report about why the tasktracker was blacklisted.

Returns:

report describing why the tasktracker was blacklisted.

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object