public class POUnion extends PhysicalOperator
PhysicalOperator.OriginalLocationalias, illustrator, input, inputAttached, inputs, lineageTracer, mBagFactory, mTupleFactory, outputs, parentPlan, pigLogger, reporter, requestedParallelism, res, RESULT_EMPTY, RESULT_EOP, resultType| Constructor and Description |
|---|
POUnion(OperatorKey k) |
POUnion(OperatorKey k,
int rp) |
POUnion(OperatorKey k,
int rp,
List<PhysicalOperator> inp) |
POUnion(OperatorKey k,
List<PhysicalOperator> inp) |
| Modifier and Type | Method and Description |
|---|---|
void |
clearDone() |
Result |
getNextTuple()
The code below, tries to follow our single threaded
shared execution model with execution being passed
around each non-drained input
|
Tuple |
illustratorMarkup(Object in,
Object out,
int eqClassIndex)
input tuple mark up to be illustrate-able
|
String |
name() |
void |
setInputs(List<PhysicalOperator> inputs) |
boolean |
supportsMultipleInputs()
Indicates whether this operator supports multiple inputs.
|
boolean |
supportsMultipleOutputs()
Indicates whether this operator supports multiple outputs.
|
void |
visit(PhyPlanVisitor v)
Visit this node with the provided visitor.
|
addOriginalLocation, addOriginalLocation, attachInput, clone, cloneHelper, clonePlans, copyAliasFrom, detachInput, getAlias, getAliasString, getIllustrator, getInputs, getLogger, getNext, getNextBigDecimal, getNextBigInteger, getNextBoolean, getNextDataBag, getNextDataByteArray, getNextDateTime, getNextDouble, getNextFloat, getNextInteger, getNextLong, getNextMap, getNextString, getOriginalLocations, getParentPlan, getPigLogger, getReporter, getRequestedParallelism, getResultType, isAccumStarted, isAccumulative, isBlocking, isEndOfAllInput, isInputAttached, processInput, reset, setAccumEnd, setAccumStart, setAccumulative, setIllustrator, setParentPlan, setPigLogger, setReporter, setRequestedParallelism, setResultType, staticDataCleanupcompareTo, equals, getOperatorKey, getProjectionMap, hashCode, regenerateProjectionMap, rewire, toString, unsetProjectionMappublic POUnion(OperatorKey k)
public POUnion(OperatorKey k, int rp)
public POUnion(OperatorKey k, List<PhysicalOperator> inp)
public POUnion(OperatorKey k, int rp, List<PhysicalOperator> inp)
public void setInputs(List<PhysicalOperator> inputs)
setInputs in class PhysicalOperatorpublic void visit(PhyPlanVisitor v) throws VisitorException
Operatorvisit in class PhysicalOperatorv - Visitor to visit with.VisitorException - if the visitor has a problem.public String name()
name in class Operator<PhyPlanVisitor>public boolean supportsMultipleInputs()
OperatorsupportsMultipleInputs in class Operator<PhyPlanVisitor>public boolean supportsMultipleOutputs()
OperatorsupportsMultipleOutputs in class Operator<PhyPlanVisitor>public void clearDone()
public Result getNextTuple() throws ExecException
getNextTuple in class PhysicalOperatorExecExceptionpublic Tuple illustratorMarkup(Object in, Object out, int eqClassIndex)
Illustrablein - input tupleout - output tuple before wrapped in ExampleTupleeqClassIndex - index into equivalence classes in illustratorCopyright © 2007-2017 The Apache Software Foundation