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Posted to issues@flink.apache.org by "Robert Metzger (JIRA)" <ji...@apache.org> on 2019/04/15 10:55:00 UTC

[jira] [Updated] (FLINK-12031) the registerFactory method of TypeExtractor Should not be private

     [ https://issues.apache.org/jira/browse/FLINK-12031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Metzger updated FLINK-12031:
-----------------------------------
    Component/s: API / Type Serialization System

> the registerFactory method of TypeExtractor  Should not be private
> ------------------------------------------------------------------
>
>                 Key: FLINK-12031
>                 URL: https://issues.apache.org/jira/browse/FLINK-12031
>             Project: Flink
>          Issue Type: Bug
>          Components: API / Type Serialization System
>            Reporter: frank wang
>            Priority: Minor
>
> [https://github.com/apache/flink/blob/master/flink-core/src/main/java/org/apache/flink/api/java/typeutils/TypeExtractor.java]
> {code:java}
> /**
>  * Registers a type information factory globally for a certain type. Every following type extraction
>  * operation will use the provided factory for this type. The factory will have highest precedence
>  * for this type. In a hierarchy of types the registered factory has higher precedence than annotations
>  * at the same level but lower precedence than factories defined down the hierarchy.
>  *
>  * @param t type for which a new factory is registered
>  * @param factory type information factory that will produce {@link TypeInformation}
>  */
> private static void registerFactory(Type t, Class<? extends TypeInfoFactory> factory) {
>    Preconditions.checkNotNull(t, "Type parameter must not be null.");
>    Preconditions.checkNotNull(factory, "Factory parameter must not be null.");
>    if (!TypeInfoFactory.class.isAssignableFrom(factory)) {
>       throw new IllegalArgumentException("Class is not a TypeInfoFactory.");
>    }
>    if (registeredTypeInfoFactories.containsKey(t)) {
>       throw new InvalidTypesException("A TypeInfoFactory for type '" + t + "' is already registered.");
>    }
>    registeredTypeInfoFactories.put(t, factory);
> }
> {code}
>  



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