类的使用
org.apache.flink.streaming.util.typeutils.FieldAccessor

使用FieldAccessor的程序包

程序包	说明
org.apache.flink.streaming.util.typeutils

org.apache.flink.streaming.util.typeutils中FieldAccessor的使用

返回FieldAccessor的org.apache.flink.streaming.util.typeutils中的方法

限定符和类型	方法和说明
<T,R,F> FieldAccessor<T,F>	ScalaProductFieldAccessorFactory.createRecursiveProductFieldAccessor(int pos, org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo, FieldAccessor<R,F> innerAccessor, org.apache.flink.api.common.ExecutionConfig config) Returns a product FieldAccessor that does support recursion.
<T,F> FieldAccessor<T,F>	ScalaProductFieldAccessorFactory.createSimpleProductFieldAccessor(int pos, org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo, org.apache.flink.api.common.ExecutionConfig config) Returns a product FieldAccessor that does not support recursion.
static <T,F> FieldAccessor<T,F>	FieldAccessorFactory.getAccessor(org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo, int pos, org.apache.flink.api.common.ExecutionConfig config) Creates a FieldAccessor for the given field position, which can be used to get and set the specified field on instances of this type.
static <T,F> FieldAccessor<T,F>	FieldAccessorFactory.getAccessor(org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo, String field, org.apache.flink.api.common.ExecutionConfig config) Creates a FieldAccessor for the field that is given by a field expression, which can be used to get and set the specified field on instances of this type.

参数类型为FieldAccessor的org.apache.flink.streaming.util.typeutils中的方法

限定符和类型	方法和说明
<T,R,F> FieldAccessor<T,F>	ScalaProductFieldAccessorFactory.createRecursiveProductFieldAccessor(int pos, org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo, FieldAccessor<R,F> innerAccessor, org.apache.flink.api.common.ExecutionConfig config) Returns a product FieldAccessor that does support recursion.