public class DependencyCollectionTask extends Task<DependencyCollectionWork> implements Serializable
Task.FeedType, Task.TaskState
BACKUP_COMMON_JOIN, backupChildrenTasks, backupTask, childTasks, clonedConf, COMMON_JOIN, conf, console, context, CONVERTED_MAPJOIN, CONVERTED_MAPJOIN_LOCAL, CONVERTED_SORTMERGEJOIN, feedSubscribers, HINTED_MAPJOIN, HINTED_MAPJOIN_LOCAL, id, jobID, LOG, MAPJOIN_ONLY_NOBACKUP, NO_TAG, parentTasks, queryDisplay, queryPlan, queryState, rootTask, taskCounters, taskHandle, taskQueue, taskTag, work
Constructor and Description |
---|
DependencyCollectionTask() |
Modifier and Type | Method and Description |
---|---|
int |
execute()
This method is overridden in each Task.
|
String |
getName()
Gets the name of the node.
|
StageType |
getType()
Should be overridden to return the type of the specific task among the types in StageType.
|
addDependentTask, canExecuteInParallel, cloneConf, done, equals, executeTask, findLeafs, getAndInitBackupTask, getBackupChildrenTasks, getBackupTask, getChildren, getChildTasks, getConf, getContext, getCounters, getDependentTasks, getDiagnosticsMessage, getException, getExternalHandle, getFeedSubscribers, getHive, getId, getInitialized, getJobID, getMapWork, getNumChild, getNumParent, getParentTasks, getQueryPlan, getQueryState, getQueued, getReducer, getStatusMessage, getTaskHandle, getTaskQueue, getTaskState, getTaskTag, getTopOperators, getTxnMgr, getWork, hashCode, hasReduce, initialize, isFetchSource, isLocalMode, isMapRedLocalTask, isMapRedTask, isNotInitialized, isRootTask, isRunnable, pushFeed, receiveFeed, removeDependentTask, removeFromChildrenTasks, requireLock, setBackupChildrenTasks, setBackupTask, setChildTasks, setConf, setConsole, setDiagnosticMessage, setDone, setException, setFeedSubscribers, setFetchSource, setId, setInitialized, setLocalMode, setParentTasks, setQueryDisplay, setQueryPlan, setQueued, setRootTask, setStarted, setState, setStatusMessage, setTaskQueue, setTaskTag, setWork, shutdown, started, subscribeFeed, toString, updateStatusInQueryDisplay, updateTaskMetrics
public int execute()
Task
execute
in class Task<DependencyCollectionWork>
public StageType getType()
Task
getType
in class Task<DependencyCollectionWork>
Copyright © 2022 The Apache Software Foundation. All rights reserved.