public class MuxOperator extends Operator<MuxDesc> implements Serializable
Modifier and Type | Class and Description |
---|---|
protected static class |
MuxOperator.Handler
Handler is used to construct the key-value structure.
|
Operator.OperatorFunc, Operator.State
Modifier and Type | Field and Description |
---|---|
protected static org.slf4j.Logger |
LOG |
abortOp, alias, asyncInitOperations, cContext, childOperators, childOperatorsArray, childOperatorsTag, colExprMap, conf, CONTEXT_NAME_KEY, done, groupKeyObject, HIVECOUNTERCREATEDFILES, HIVECOUNTERFATAL, id, inputObjInspectors, isLogDebugEnabled, isLogInfoEnabled, isLogTraceEnabled, operatorId, out, outputObjInspector, parentOperators, PLOG, reporter, state, statsMap
Modifier | Constructor and Description |
---|---|
protected |
MuxOperator()
Kryo ctor.
|
|
MuxOperator(CompilationOpContext ctx) |
Modifier and Type | Method and Description |
---|---|
protected void |
closeOp(boolean abort)
Operator specific close routine.
|
void |
endGroup() |
void |
forward(Object row,
ObjectInspector rowInspector) |
String |
getName()
Gets the name of the node.
|
static String |
getOperatorName() |
OperatorType |
getType()
Return the type of the specific operator among the
types in OperatorType.
|
protected void |
initializeChildren(org.apache.hadoop.conf.Configuration hconf)
Calls initialize on each of the children with outputObjetInspector as the
output row format.
|
protected void |
initializeOp(org.apache.hadoop.conf.Configuration hconf)
Operator specific initialization.
|
void |
process(Object row,
int tag)
Process the row.
|
void |
processGroup(int tag) |
void |
startGroup() |
abort, acceptLimitPushdown, allInitializedParentsAreClosed, areAllParentsInitialized, augmentPlan, cleanUpInputFileChanged, cleanUpInputFileChangedOp, clone, cloneOp, cloneRecursiveChildren, close, columnNamesRowResolvedCanBeObtained, completeInitializationOp, createDummy, defaultEndGroup, defaultStartGroup, dump, dump, flush, getAdditionalCounters, getChildOperators, getChildren, getColumnExprMap, getCompilationOpContext, getConf, getConfiguration, getDone, getExecContext, getGroupKeyObject, getIdentifier, getInputObjInspectors, getIsReduceSink, getNextCntr, getNumChild, getNumParent, getOperatorId, getOpTraits, getOutputObjInspector, getParentOperators, getReduceOutputName, getSchema, getStatistics, getStats, initEvaluators, initEvaluators, initEvaluatorsAndReturnStruct, initialize, initialize, initializeLocalWork, initOperatorId, isUseBucketizedHiveInputFormat, jobClose, jobCloseOp, logStats, opAllowedAfterMapJoin, opAllowedBeforeMapJoin, opAllowedBeforeSortMergeJoin, opAllowedConvertMapJoin, passExecContext, preorderMap, removeChild, removeChildAndAdoptItsChildren, removeParent, removeParents, replaceChild, replaceParent, reset, resetStats, setAlias, setChildOperators, setColumnExprMap, setCompilationOpContext, setConf, setDone, setExecContext, setGroupKeyObject, setId, setInputContext, setInputObjInspectors, setOperatorId, setOpTraits, setOutputCollector, setParentOperators, setReporter, setSchema, setStatistics, setUseBucketizedHiveInputFormat, supportAutomaticSortMergeJoin, supportSkewJoinOptimization, supportUnionRemoveOptimization, toString, toString
protected MuxOperator()
public MuxOperator(CompilationOpContext ctx)
protected void initializeOp(org.apache.hadoop.conf.Configuration hconf) throws HiveException
Operator
initializeOp
in class Operator<MuxDesc>
HiveException
protected void initializeChildren(org.apache.hadoop.conf.Configuration hconf) throws HiveException
initializeChildren
in class Operator<MuxDesc>
HiveException
public void process(Object row, int tag) throws HiveException
Operator
process
in class Operator<MuxDesc>
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 forward(Object row, ObjectInspector rowInspector) throws HiveException
forward
in class Operator<MuxDesc>
HiveException
public void startGroup() throws HiveException
startGroup
in class Operator<MuxDesc>
HiveException
public void endGroup() throws HiveException
endGroup
in class Operator<MuxDesc>
HiveException
public void processGroup(int tag) throws HiveException
processGroup
in class Operator<MuxDesc>
HiveException
protected void closeOp(boolean abort) throws HiveException
Operator
closeOp
in class Operator<MuxDesc>
HiveException
public String getName()
Node
public static String getOperatorName()
public OperatorType getType()
Operator
Copyright © 2016 The Apache Software Foundation. All rights reserved.