IN
- The type of the elements in the input StreamTransformation
OUT
- The type of the elements that result from this OneInputTransformation
@Internal public class OneInputTransformation<IN,OUT> extends StreamTransformation<OUT>
OneInputStreamOperator
to one input
StreamTransformation
.bufferTimeout, id, idCounter, name, outputType, typeUsed
构造器和说明 |
---|
OneInputTransformation(StreamTransformation<IN> input,
String name,
OneInputStreamOperator<IN,OUT> operator,
org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType,
int parallelism)
Creates a new
OneInputTransformation from the given input and operator. |
限定符和类型 | 方法和说明 |
---|---|
StreamTransformation<IN> |
getInput()
Returns the input
StreamTransformation of this OneInputTransformation . |
org.apache.flink.api.common.typeinfo.TypeInformation<IN> |
getInputType()
Returns the
TypeInformation for the elements of the input. |
OneInputStreamOperator<IN,OUT> |
getOperator()
Returns the
TwoInputStreamOperator of this Transformation. |
org.apache.flink.api.java.functions.KeySelector<IN,?> |
getStateKeySelector()
Returns the
KeySelector that must be used for partitioning keyed state in this
Operation. |
org.apache.flink.api.common.typeinfo.TypeInformation<?> |
getStateKeyType() |
Collection<StreamTransformation<?>> |
getTransitivePredecessors()
Returns all transitive predecessor
StreamTransformation s of this StreamTransformation . |
void |
setChainingStrategy(ChainingStrategy strategy)
Sets the chaining strategy of this
StreamTransformation . |
void |
setStateKeySelector(org.apache.flink.api.java.functions.KeySelector<IN,?> stateKeySelector)
Sets the
KeySelector that must be used for partitioning keyed state of this operation. |
void |
setStateKeyType(org.apache.flink.api.common.typeinfo.TypeInformation<?> stateKeyType) |
equals, getBufferTimeout, getCoLocationGroupKey, getId, getMaxParallelism, getMinResources, getName, getNewNodeId, getOutputType, getParallelism, getPreferredResources, getSlotSharingGroup, getUid, getUserProvidedNodeHash, hashCode, setBufferTimeout, setCoLocationGroupKey, setMaxParallelism, setName, setOutputType, setParallelism, setResources, setSlotSharingGroup, setUid, setUidHash, toString
public OneInputTransformation(StreamTransformation<IN> input, String name, OneInputStreamOperator<IN,OUT> operator, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType, int parallelism)
OneInputTransformation
from the given input and operator.input
- The input StreamTransformation
name
- The name of the StreamTransformation
, this will be shown in Visualizations and the Logoperator
- The TwoInputStreamOperator
outputType
- The type of the elements produced by this OneInputTransformation
parallelism
- The parallelism of this OneInputTransformation
public StreamTransformation<IN> getInput()
StreamTransformation
of this OneInputTransformation
.public org.apache.flink.api.common.typeinfo.TypeInformation<IN> getInputType()
TypeInformation
for the elements of the input.public OneInputStreamOperator<IN,OUT> getOperator()
TwoInputStreamOperator
of this Transformation.public void setStateKeySelector(org.apache.flink.api.java.functions.KeySelector<IN,?> stateKeySelector)
KeySelector
that must be used for partitioning keyed state of this operation.stateKeySelector
- The KeySelector
to setpublic org.apache.flink.api.java.functions.KeySelector<IN,?> getStateKeySelector()
KeySelector
that must be used for partitioning keyed state in this
Operation.public void setStateKeyType(org.apache.flink.api.common.typeinfo.TypeInformation<?> stateKeyType)
public org.apache.flink.api.common.typeinfo.TypeInformation<?> getStateKeyType()
public Collection<StreamTransformation<?>> getTransitivePredecessors()
StreamTransformation
StreamTransformation
s of this StreamTransformation
. This
is, for example, used when determining whether a feedback edge of an iteration
actually has the iteration head as a predecessor.getTransitivePredecessors
在类中 StreamTransformation<OUT>
public final void setChainingStrategy(ChainingStrategy strategy)
StreamTransformation
StreamTransformation
.setChainingStrategy
在类中 StreamTransformation<OUT>
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