IN
- The type from which the key is extracted.public static final class KeySelectorUtil.ComparableKeySelector<IN> extends Object implements org.apache.flink.api.java.functions.KeySelector<IN,org.apache.flink.api.java.tuple.Tuple>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.api.java.tuple.Tuple>
限定符和类型 | 方法和说明 |
---|---|
org.apache.flink.api.java.tuple.Tuple |
getKey(IN value) |
org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.api.java.tuple.Tuple> |
getProducedType() |
public org.apache.flink.api.java.tuple.Tuple getKey(IN value)
getKey
在接口中 org.apache.flink.api.java.functions.KeySelector<IN,org.apache.flink.api.java.tuple.Tuple>
public org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.api.java.tuple.Tuple> getProducedType()
getProducedType
在接口中 org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.api.java.tuple.Tuple>
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