org.apache.hadoop.hive.ql.exec
Class FunctionTask
java.lang.Object
org.apache.hadoop.hive.ql.exec.Task<FunctionWork>
org.apache.hadoop.hive.ql.exec.FunctionTask
- All Implemented Interfaces:
- Serializable, Node
public class FunctionTask
- extends Task<FunctionWork>
FunctionTask.
- See Also:
- Serialized Form
Fields inherited from class org.apache.hadoop.hive.ql.exec.Task |
childTasks, console, db, driverContext, id, initialized, isdone, parentTasks, queryPlan, queued, started, taskCounters, taskHandle, work |
Methods inherited from class org.apache.hadoop.hive.ql.exec.Task |
addDependentTask, done, executeTask, fetch, getChildren, getChildTasks, getCounters, getDependentTasks, getId, getInitialized, getParentTasks, getQueued, getWork, hasReduce, isMapRedTask, isRunnable, progress, removeDependentTask, setChildTasks, setDone, setId, setInitialized, setParentTasks, setQueued, setStarted, setWork, started, updateCounters |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
FunctionTask
public FunctionTask()
initialize
public void initialize(HiveConf conf,
QueryPlan queryPlan,
DriverContext ctx)
- Overrides:
initialize
in class Task<FunctionWork>
execute
public int execute(DriverContext driverContext)
- Description copied from class:
Task
- This method is overridden in each Task. TODO execute should return a
TaskHandle.
- Specified by:
execute
in class Task<FunctionWork>
- Returns:
- status of executing the task
getType
public int getType()
- Description copied from class:
Task
- Should be overridden to return the type of the specific task among the
types in TaskType.
- Overrides:
getType
in class Task<FunctionWork>
- Returns:
- TaskTypeType.* or -1 if not overridden
getName
public String getName()
- Description copied from interface:
Node
- Gets the name of the node. This is used in the rule dispatchers.
- Returns:
- String
Copyright © 2010 The Apache Software Foundation