Package org.apache.flink.streaming.util.typeutils

Interface ScalaProductFieldAccessorFactory

public interface ScalaProductFieldAccessorFactory

Interface to interact with optional Scala field accessors.

Method Summary

Modifier and Type	Method	Description
<T,R,F> FieldAccessor<T,F>	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>	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 ScalaProductFieldAccessorFactory	load(org.slf4j.Logger log)	Loads the implementation, if it is accessible.

Method Detail

createSimpleProductFieldAccessor

<T,F> FieldAccessor<T,F> 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.

createRecursiveProductFieldAccessor

<T,R,F> FieldAccessor<T,F> 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.

load

static ScalaProductFieldAccessorFactory load(org.slf4j.Logger log)

Loads the implementation, if it is accessible.

Parameters:

log - Logger to be used in case the loading fails

Returns:

Loaded implementation, if it is accessible.