public class POSort extends PhysicalOperator
Modifier and Type | Class and Description |
---|---|
class |
POSort.SortComparator |
class |
POSort.UDFSortComparator |
PhysicalOperator.OriginalLocation
Modifier and Type | Field and Description |
---|---|
boolean |
isUDFComparatorUsed |
alias, illustrator, input, inputAttached, inputs, lineageTracer, mBagFactory, mTupleFactory, outputs, parentPlan, pigLogger, reporter, requestedParallelism, res, RESULT_EMPTY, RESULT_EOP, resultType
Constructor and Description |
---|
POSort(OperatorKey k) |
POSort(OperatorKey k,
int rp) |
POSort(OperatorKey k,
int rp,
List inp) |
POSort(OperatorKey k,
int rp,
List inp,
List<PhysicalPlan> sortPlans,
List<Boolean> mAscCols,
POUserComparisonFunc mSortFunc) |
POSort(OperatorKey k,
List inp) |
Modifier and Type | Method and Description |
---|---|
POSort |
clone()
Make a copy of this operator.
|
long |
getLimit() |
List<Boolean> |
getMAscCols() |
POUserComparisonFunc |
getMSortFunc() |
Result |
getNextTuple() |
List<PhysicalPlan> |
getSortPlans() |
Tuple |
illustratorMarkup(Object in,
Object out,
int eqClassIndex)
input tuple mark up to be illustrate-able
|
boolean |
isBlocking()
A blocking operator should override this to return true.
|
boolean |
isLimited() |
String |
name() |
void |
reset()
Reset internal state in an operator.
|
void |
setLimit(long l) |
void |
setMSortFunc(POUserComparisonFunc sortFunc) |
void |
setSortPlans(List<PhysicalPlan> sortPlans) |
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, cloneHelper, clonePlans, copyAliasFrom, detachInput, getAlias, getAliasString, getIllustrator, getInputs, getLogger, getNext, getNextBigDecimal, getNextBigInteger, getNextBoolean, getNextDataBag, getNextDataByteArray, getNextDateTime, getNextDouble, getNextFloat, getNextInteger, getNextLong, getNextMap, getNextString, getOriginalLocations, getPigLogger, getReporter, getRequestedParallelism, getResultType, isAccumStarted, isAccumulative, isInputAttached, processInput, setAccumEnd, setAccumStart, setAccumulative, setIllustrator, setInputs, setParentPlan, setPigLogger, setReporter, setRequestedParallelism, setResultType, staticDataCleanup
compareTo, equals, getOperatorKey, getProjectionMap, hashCode, regenerateProjectionMap, rewire, toString, unsetProjectionMap
public POSort(OperatorKey k, int rp, List inp, List<PhysicalPlan> sortPlans, List<Boolean> mAscCols, POUserComparisonFunc mSortFunc)
public POSort(OperatorKey k, int rp, List inp)
public POSort(OperatorKey k, int rp)
public POSort(OperatorKey k, List inp)
public POSort(OperatorKey k)
public String name()
name
in class Operator<PhyPlanVisitor>
public boolean isBlocking()
PhysicalOperator
isBlocking
in class PhysicalOperator
public Result getNextTuple() throws ExecException
getNextTuple
in class PhysicalOperator
ExecException
public boolean supportsMultipleInputs()
Operator
supportsMultipleInputs
in class Operator<PhyPlanVisitor>
public boolean supportsMultipleOutputs()
Operator
supportsMultipleOutputs
in class Operator<PhyPlanVisitor>
public void visit(PhyPlanVisitor v) throws VisitorException
Operator
visit
in class PhysicalOperator
v
- Visitor to visit with.VisitorException
- if the visitor has a problem.public void reset()
PhysicalOperator
reset
in class PhysicalOperator
public List<PhysicalPlan> getSortPlans()
public void setSortPlans(List<PhysicalPlan> sortPlans)
public POUserComparisonFunc getMSortFunc()
public void setMSortFunc(POUserComparisonFunc sortFunc)
public void setLimit(long l)
public long getLimit()
public boolean isLimited()
public POSort clone() throws CloneNotSupportedException
PhysicalOperator
public Tuple illustratorMarkup(Object in, Object out, int eqClassIndex)
Illustrable
in
- input tupleout
- output tuple before wrapped in ExampleTupleeqClassIndex
- index into equivalence classes in illustratorCopyright © 2007-2012 The Apache Software Foundation