public class POFilter extends PhysicalOperator
PhysicalOperator.OriginalLocation
alias, illustrator, input, inputAttached, inputs, lineageTracer, mBagFactory, mTupleFactory, outputs, parentPlan, pigLogger, reporter, requestedParallelism, res, RESULT_EMPTY, RESULT_EOP, resultType
Constructor and Description |
---|
POFilter(OperatorKey k) |
POFilter(OperatorKey k,
int rp) |
POFilter(OperatorKey k,
int rp,
List<PhysicalOperator> inputs) |
POFilter(OperatorKey k,
List<PhysicalOperator> inputs) |
Modifier and Type | Method and Description |
---|---|
PhysicalOperator |
clone()
Make a copy of this operator.
|
Result |
getNextTuple()
Attaches the proccesed input tuple to the expression plan and checks if
comparison operator returns a true.
|
PhysicalPlan |
getPlan() |
Tuple |
illustratorMarkup(Object in,
Object out,
int eqClassIndex)
input tuple mark up to be illustrate-able
|
String |
name() |
void |
setPlan(PhysicalPlan plan) |
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, isBlocking, isEndOfAllInput, isInputAttached, processInput, reset, setAccumEnd, setAccumStart, setAccumulative, setIllustrator, setInputs, setParentPlan, setPigLogger, setReporter, setRequestedParallelism, setResultType, staticDataCleanup
compareTo, equals, getOperatorKey, getProjectionMap, hashCode, regenerateProjectionMap, rewire, toString, unsetProjectionMap
public POFilter(OperatorKey k)
public POFilter(OperatorKey k, int rp)
public POFilter(OperatorKey k, List<PhysicalOperator> inputs)
public POFilter(OperatorKey k, int rp, List<PhysicalOperator> inputs)
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 visit(PhyPlanVisitor v) throws VisitorException
Operator
visit
in class PhysicalOperator
v
- Visitor to visit with.VisitorException
- if the visitor has a problem.public void setPlan(PhysicalPlan plan)
public PhysicalPlan getPlan()
public Tuple illustratorMarkup(Object in, Object out, int eqClassIndex)
Illustrable
in
- input tupleout
- output tuple before wrapped in ExampleTupleeqClassIndex
- index into equivalence classes in illustratorpublic PhysicalOperator clone() throws CloneNotSupportedException
PhysicalOperator
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