public class ScriptOperator extends Operator<ScriptDesc> implements java.io.Serializable
Modifier and Type | Class and Description |
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static class |
ScriptOperator.Counter
Counter.
|
class |
ScriptOperator.PathFinder
Maps a relative pathname to an absolute pathname using the PATH enviroment.
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Operator.OperatorFunc, Operator.ProgressCounter, Operator.State
alias, beginTime, childOperators, childOperatorsArray, childOperatorsTag, colExprMap, conf, counterNames, counterNameToEnum, counters, done, fatalErrorCntr, groupKeyObject, id, inputObjInspectors, inputRows, isLogInfoEnabled, LOG, numInputRowsCntr, numOutputRowsCntr, operatorId, out, outputObjInspector, outputRows, parentOperators, reporter, state, statsMap, timeTakenCntr, totalTime
Constructor and Description |
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ScriptOperator() |
Modifier and Type | Method and Description |
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protected java.lang.String[] |
addWrapper(java.lang.String[] inArgs)
Wrap the script in a wrapper that allows admins to control.
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void |
close(boolean abort) |
java.lang.String |
getName()
Implements the getName function for the Node Interface.
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static java.lang.String |
getOperatorName() |
OperatorType |
getType()
Return the type of the specific operator among the
types in OperatorType.
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protected void |
initializeOp(Configuration hconf)
Operator specific initialization.
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void |
processOp(java.lang.Object row,
int tag)
Process the row.
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static java.lang.String[] |
splitArgs(java.lang.String args) |
acceptLimitPushdown, allInitializedParentsAreClosed, areAllParentsInitialized, assignCounterNameToEnum, augmentPlan, checkFatalErrors, cleanUpInputFileChanged, cleanUpInputFileChangedOp, clone, closeOp, columnNamesRowResolvedCanBeObtained, dump, dump, endGroup, fatalErrorMessage, flush, forward, getAdditionalCounters, getChildOperators, getChildren, getColumnExprMap, getConf, getConfiguration, getCounterNames, getCounterNameToEnum, getCounters, getDone, getExecContext, getGroupKeyObject, getIdentifier, getInputObjInspectors, getNextCntr, getNumChild, getNumParent, getOperatorId, getParentOperators, getSchema, getStats, getWrappedCounterName, incrCounter, initEvaluators, initEvaluators, initEvaluatorsAndReturnStruct, initialize, initialize, initializeChildren, initializeCounters, initializeLocalWork, initOperatorId, isUseBucketizedHiveInputFormat, jobClose, jobCloseOp, logStats, opAllowedAfterMapJoin, opAllowedBeforeMapJoin, opAllowedBeforeSortMergeJoin, opAllowedConvertMapJoin, passExecContext, preorderMap, process, processGroup, removeChild, removeChildAndAdoptItsChildren, removeChildren, removeParent, replaceChild, replaceParent, reset, resetId, resetLastEnumUsed, resetStats, setAlias, setChildOperators, setColumnExprMap, setConf, setCounterNames, setCounterNameToEnum, setDone, setExecContext, setGroupKeyObject, setId, setInputObjInspectors, setOperatorId, setOutputCollector, setParentOperators, setReporter, setSchema, setUseBucketizedHiveInputFormat, startGroup, supportAutomaticSortMergeJoin, supportSkewJoinOptimization, supportUnionRemoveOptimization, toString, toString, updateCounters
protected void initializeOp(Configuration hconf) throws HiveException
Operator
initializeOp
in class Operator<ScriptDesc>
HiveException
public void processOp(java.lang.Object row, int tag) throws HiveException
Operator
processOp
in class Operator<ScriptDesc>
row
- The object representing the row.tag
- The tag of the row usually means which parent this row comes from.
Rows with the same tag should have exactly the same rowInspector
all the time.HiveException
public void close(boolean abort) throws HiveException
close
in class Operator<ScriptDesc>
HiveException
protected java.lang.String[] addWrapper(java.lang.String[] inArgs)
public static java.lang.String[] splitArgs(java.lang.String args)
public java.lang.String getName()
Operator
getName
in interface Node
getName
in class Operator<ScriptDesc>
public static java.lang.String getOperatorName()
public OperatorType getType()
Operator
getType
in class Operator<ScriptDesc>
Copyright © 2012 The Apache Software Foundation