public class DummyStoreOperator extends Operator<DummyStoreDesc> implements Serializable
Operator.OperatorFunc, Operator.State
Modifier and Type | Field and Description |
---|---|
protected InspectableObject |
result |
alias, childOperators, childOperatorsArray, childOperatorsTag, colExprMap, conf, CONTEXT_NAME_KEY, done, groupKeyObject, HIVECOUNTERCREATEDFILES, HIVECOUNTERFATAL, id, inputObjInspectors, isLogDebugEnabled, isLogInfoEnabled, isLogTraceEnabled, LOG, operatorId, out, outputObjInspector, parentOperators, PLOG, reporter, state, statsMap
Constructor and Description |
---|
DummyStoreOperator() |
Modifier and Type | Method and Description |
---|---|
InspectableObject |
getResult() |
OperatorType |
getType()
Return the type of the specific operator among the
types in OperatorType.
|
protected Collection<Future<?>> |
initializeOp(org.apache.hadoop.conf.Configuration hconf)
Operator specific initialization.
|
void |
process(Object row,
int tag)
Process the row.
|
void |
reset() |
acceptLimitPushdown, allInitializedParentsAreClosed, areAllParentsInitialized, augmentPlan, cleanUpInputFileChanged, cleanUpInputFileChangedOp, clone, cloneOp, cloneRecursiveChildren, close, closeOp, columnNamesRowResolvedCanBeObtained, completeInitializationOp, createDummy, defaultEndGroup, defaultStartGroup, dump, dump, endGroup, flush, forward, getAdditionalCounters, getChildOperators, getChildren, getColumnExprMap, getConf, getConfiguration, getDone, getExecContext, getGroupKeyObject, getIdentifier, getInputObjInspectors, getName, getNextCntr, getNumChild, getNumParent, getOperatorId, getOperatorName, getOpTraits, getOutputObjInspector, getParentOperators, getSchema, getStatistics, getStats, initEvaluators, initEvaluators, initEvaluatorsAndReturnStruct, initialize, initialize, initializeChildren, initializeLocalWork, initOperatorId, isUseBucketizedHiveInputFormat, jobClose, jobCloseOp, logStats, opAllowedAfterMapJoin, opAllowedBeforeMapJoin, opAllowedBeforeSortMergeJoin, opAllowedConvertMapJoin, passExecContext, preorderMap, processGroup, removeChild, removeChildAndAdoptItsChildren, removeChildren, removeParent, replaceChild, replaceParent, resetId, resetStats, setAlias, setChildOperators, setColumnExprMap, setConf, setDone, setExecContext, setGroupKeyObject, setId, setInputContext, setInputObjInspectors, setOperatorId, setOpTraits, setOutputCollector, setParentOperators, setReporter, setSchema, setStatistics, setUseBucketizedHiveInputFormat, startGroup, supportAutomaticSortMergeJoin, supportSkewJoinOptimization, supportUnionRemoveOptimization, toString, toString
protected transient InspectableObject result
protected Collection<Future<?>> initializeOp(org.apache.hadoop.conf.Configuration hconf) throws HiveException
Operator
initializeOp
in class Operator<DummyStoreDesc>
HiveException
public void process(Object row, int tag) throws HiveException
Operator
process
in class Operator<DummyStoreDesc>
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 reset()
reset
in class Operator<DummyStoreDesc>
public InspectableObject getResult()
public OperatorType getType()
Operator
getType
in class Operator<DummyStoreDesc>
Copyright © 2017 The Apache Software Foundation. All rights reserved.