public class PODistinct extends PhysicalOperator implements Cloneable
PhysicalOperator.OriginalLocation
Modifier and Type | Field and Description |
---|---|
protected String |
customPartitioner |
alias, illustrator, input, inputAttached, inputs, lineageTracer, mBagFactory, mTupleFactory, outputs, parentPlan, pigLogger, reporter, requestedParallelism, res, RESULT_EMPTY, RESULT_EOP, resultType
Constructor and Description |
---|
PODistinct(OperatorKey k) |
PODistinct(OperatorKey k,
int rp) |
PODistinct(OperatorKey k,
int rp,
List<PhysicalOperator> inp) |
PODistinct(OperatorKey k,
List<PhysicalOperator> inp) |
Modifier and Type | Method and Description |
---|---|
PODistinct |
clone()
Make a copy of this operator.
|
String |
getCustomPartitioner() |
Result |
getNextTuple() |
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.
|
String |
name() |
void |
reset()
Reset internal state in an operator.
|
void |
setCustomPartitioner(String customPartitioner) |
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, getParentPlan, getPigLogger, getReporter, getRequestedParallelism, getResultType, isAccumStarted, isAccumulative, isEndOfAllInput, isInputAttached, processInput, setAccumEnd, setAccumStart, setAccumulative, setIllustrator, setInputs, setParentPlan, setPigLogger, setReporter, setRequestedParallelism, setResultType, staticDataCleanup
compareTo, equals, getOperatorKey, getProjectionMap, hashCode, regenerateProjectionMap, rewire, toString, unsetProjectionMap
protected String customPartitioner
public PODistinct(OperatorKey k, int rp, List<PhysicalOperator> inp)
public PODistinct(OperatorKey k, int rp)
public PODistinct(OperatorKey k, List<PhysicalOperator> inp)
public PODistinct(OperatorKey k)
public String getCustomPartitioner()
public void setCustomPartitioner(String customPartitioner)
public boolean isBlocking()
PhysicalOperator
isBlocking
in class PhysicalOperator
public Result getNextTuple() throws ExecException
getNextTuple
in class PhysicalOperator
ExecException
public String name()
name
in class Operator<PhyPlanVisitor>
public boolean supportsMultipleInputs()
Operator
supportsMultipleInputs
in class Operator<PhyPlanVisitor>
public boolean supportsMultipleOutputs()
Operator
supportsMultipleOutputs
in class Operator<PhyPlanVisitor>
public void reset()
PhysicalOperator
reset
in class PhysicalOperator
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 PODistinct clone() throws CloneNotSupportedException
PhysicalOperator
public Tuple illustratorMarkup(Object in, Object out, int eqClassIndex)
Illustrable
illustratorMarkup
in interface Illustrable
in
- input tupleout
- output tuple before wrapped in ExampleTupleeqClassIndex
- index into equivalence classes in illustratorCopyright © 2007-2017 The Apache Software Foundation