p2pMapReduce.mapreduceModule
Class TaskAttemptContextImpl

java.lang.Object
  extended by p2pMapReduce.mapreduceModule.JobContextImpl
      extended by p2pMapReduce.mapreduceModule.TaskAttemptContextImpl
All Implemented Interfaces:
JobContext, MRJobConfig, TaskAttemptContext
Direct Known Subclasses:
TaskInputOutputContextImpl

public class TaskAttemptContextImpl
extends JobContextImpl
implements TaskAttemptContext

The context for task attempts.


Field Summary
 
Fields inherited from class p2pMapReduce.mapreduceModule.JobContextImpl
conf
 
Fields inherited from interface p2pMapReduce.mapreduceModule.MRJobConfig
CACHE_ARCHIVES, CACHE_ARCHIVES_SIZES, CACHE_ARCHIVES_TIMESTAMPS, CACHE_ARCHIVES_VISIBILITIES, CACHE_FILE_TIMESTAMPS, CACHE_FILE_VISIBILITIES, CACHE_FILES, CACHE_FILES_SIZES, CACHE_LOCALARCHIVES, CACHE_LOCALFILES, CACHE_SYMLINK, CLASSPATH_ARCHIVES, CLASSPATH_FILES, COMBINE_CLASS_ATTR, COMPLETED_MAPS_FOR_REDUCE_SLOWSTART, END_NOTIFICATION_RETRIE_INTERVAL, END_NOTIFICATION_RETRIES, END_NOTIFICATION_URL, GROUP_COMPARATOR_CLASS, HISTORY_LOCATION, ID, INPUT_FORMAT_CLASS_ATTR, INPUTSPLIT_CLASS_ATTR, INPUTSPLIT_SIZE, IO_SORT_FACTOR, IO_SORT_MB, JAR, JAR_UNPACK_PATTERN, JOB_ACL_MODIFY_JOB, JOB_ACL_VIEW_JOB, JOB_CANCEL_DELEGATION_TOKEN, JOB_DIR_ATTR, JOB_INPUT_DIR_ATTR, JOB_INPUTSPLIT_DIR_ATTR, JOB_JAR_DIR_ATTR, JOB_JOBTRACKER_ID, JOB_LOCAL_DIR, JOB_NAME, JOB_NAMENODES, JOB_OUTPUT_DIR_ATTR, JVM_NUMTASKS_TORUN, KEY_COMPARATOR, MAP_CLASS_ATTR, MAP_COMBINE_MIN_SPILLS, MAP_DEBUG_SCRIPT, MAP_ENV, MAP_FAILURES_MAX_PERCENT, MAP_INPUT_FILE, MAP_INPUT_PATH, MAP_INPUT_START, MAP_JAVA_OPTS, MAP_LOG_LEVEL, MAP_MAX_ATTEMPTS, MAP_MEMORY_MB, MAP_MEMORY_PHYSICAL_MB, MAP_OUTPUT_COMPRESS, MAP_OUTPUT_COMPRESS_CODEC, MAP_OUTPUT_DIR_ATTR, MAP_OUTPUT_KEY_CLASS, MAP_OUTPUT_KEY_FIELD_SEPERATOR, MAP_OUTPUT_KEY_VALUE_SEPARATOR_ATTR, MAP_OUTPUT_VALUE_CLASS, MAP_SKIP_INCR_PROC_COUNT, MAP_SKIP_MAX_RECORDS, MAP_SORT_SPILL_PERCENT, MAP_SPECULATIVE, MAP_ULIMIT, MAX_TASK_FAILURES_PER_TRACKER, NUM_MAP_PROFILES, NUM_MAPS, NUM_REDUCE_PROFILES, NUM_REDUCES, OUTPUT_FORMAT_CLASS_ATTR, OUTPUT_KEY_CLASS, OUTPUT_VALUE_CLASS, PARTITIONER_CLASS_ATTR, PRESERVE_FAILED_TASK_FILES, PRESERVE_FILES_PATTERN, PRIORITY, QUEUE_NAME, RECORDS_BEFORE_PROGRESS, REDUCE_CLASS_ATTR, REDUCE_DEBUG_SCRIPT, REDUCE_ENV, REDUCE_FAILURES_MAXPERCENT, REDUCE_INPUT_BUFFER_PERCENT, REDUCE_INPUT_DIR_ATTR, REDUCE_JAVA_OPTS, REDUCE_LOG_LEVEL, REDUCE_MARKRESET_BUFFER_PERCENT, REDUCE_MARKRESET_BUFFER_SIZE, REDUCE_MAX_ATTEMPTS, REDUCE_MEMORY_MB, REDUCE_MEMORY_PHYSICAL_MB, REDUCE_MEMORY_TOTAL_BYTES, REDUCE_MEMTOMEM_ENABLED, REDUCE_MEMTOMEM_THRESHOLD, REDUCE_MERGE_INMEM_THRESHOLD, REDUCE_OUTPUT_DIR_ATTR, REDUCE_SKIP_INCR_PROC_COUNT, REDUCE_SKIP_MAXGROUPS, REDUCE_SPECULATIVE, REDUCE_ULIMIT, SETUP_CLEANUP_NEEDED, SHUFFLE_CONNECT_TIMEOUT, SHUFFLE_FETCH_FAILURES, SHUFFLE_INPUT_BUFFER_PERCENT, SHUFFLE_MERGE_EPRCENT, SHUFFLE_NOTIFY_READERROR, SHUFFLE_PARALLEL_COPIES, SHUFFLE_READ_TIMEOUT, SKIP_OUTDIR, SKIP_RECORDS, SKIP_START_ATTEMPTS, SPECULATIVE_SLOWNODE_THRESHOLD, SPECULATIVE_SLOWTASK_THRESHOLD, SPECULATIVECAP, SPLIT_FILE, TASK_ATTEMPT_ID, TASK_DEBUGOUT_LINES, TASK_ID, TASK_ISMAP, TASK_OUTPUT_DIR, TASK_PARTITION, TASK_PROFILE, TASK_PROFILE_PARAMS, TASK_TEMP_DIR, TASK_TIMEOUT, TASK_USERLOG_LIMIT, USER_LOG_RETAIN_HOURS, USER_NAME, WORKING_DIR
 
Constructor Summary
TaskAttemptContextImpl(Configuration conf, TaskAttemptID taskId)
           
 
Method Summary
 java.lang.String getStatus()
          Get the last set status message.
 TaskAttemptID getTaskAttemptID()
          Get the unique name for this task attempt.
 void setStatus(java.lang.String msg)
          Set the current status of the task to the given string.
 
Methods inherited from class p2pMapReduce.mapreduceModule.JobContextImpl
getCombinerClass, getConfiguration, getGroupingComparator, getInputFormatClass, getJar, getJobID, getJobName, getJobSetupCleanupNeeded, getMapOutputKeyClass, getMapOutputValueClass, getMapperClass, getMaxMapAttempts, getMaxReduceAttempts, getNumReduceTasks, getOutputFormatClass, getOutputKeyClass, getOutputValueClass, getPartitionerClass, getProfileEnabled, getProfileParams, getProfileTaskRange, getReducerClass, getSortComparator, getUser, getWorkingDirectory, setJobID
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface p2pMapReduce.mapreduceModule.JobContext
getCombinerClass, getConfiguration, getInputFormatClass, getJar, getJobID, getJobName, getJobSetupCleanupNeeded, getMapOutputKeyClass, getMapOutputValueClass, getMapperClass, getMaxMapAttempts, getMaxReduceAttempts, getNumReduceTasks, getOutputFormatClass, getOutputKeyClass, getOutputValueClass, getPartitionerClass, getProfileEnabled, getProfileParams, getProfileTaskRange, getReducerClass, getSortComparator, getUser, getWorkingDirectory
 

Constructor Detail

TaskAttemptContextImpl

public TaskAttemptContextImpl(Configuration conf,
                              TaskAttemptID taskId)
Method Detail

getTaskAttemptID

public TaskAttemptID getTaskAttemptID()
Get the unique name for this task attempt.

Specified by:
getTaskAttemptID in interface TaskAttemptContext

setStatus

public void setStatus(java.lang.String msg)
Set the current status of the task to the given string.

Specified by:
setStatus in interface TaskAttemptContext

getStatus

public java.lang.String getStatus()
Get the last set status message.

Specified by:
getStatus in interface TaskAttemptContext
Returns:
the current status message