com.linkedin.feathr.core.configdataprovider

Class ManifestConfigDataProvider

java.lang.Object

com.linkedin.feathr.core.configdataprovider.BaseConfigDataProvider

com.linkedin.feathr.core.configdataprovider.ManifestConfigDataProvider

All Implemented Interfaces:

ConfigDataProvider, java.io.Closeable, java.lang.AutoCloseable

public class ManifestConfigDataProvider
extends BaseConfigDataProvider

A Config Data Provider that reads a manifest file, and provides Reader objects for each config file listed in the said manifest.

An example manifest file is shown below: It'll contain at most FeatureDef and Metadata config file locations, never Join config file locations.

 manifest: [
   {
     jar: local
     conf: [config/online/feature-prod.conf]
   },
   {
     jar: frame-feature-waterloo-online-1.1.4.jar
     conf: [config/online/prod/feature-prod.conf]
   }
 ]
 

Field Summary

Fields inherited from class com.linkedin.feathr.core.configdataprovider.BaseConfigDataProvider

_readers

Constructor Summary

Constructors

Constructor and Description
ManifestConfigDataProvider(java.lang.String manifestResourceName)

Method Summary

Modifier and Type	Method and Description
void	close()
java.lang.String	getConfigDataInfo() Provides some information about config data.
java.util.List<java.io.Reader>	getConfigDataReaders() Return the config data as a list of Reader objects.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ManifestConfigDataProvider

public ManifestConfigDataProvider(java.lang.String manifestResourceName)

Method Detail

getConfigDataReaders

public java.util.List<java.io.Reader> getConfigDataReaders()

Description copied from interface: ConfigDataProvider

Return the config data as a list of Reader objects. Clients should ideally provide BufferedReader objects.

Returns:

List of Readers

getConfigDataInfo

public java.lang.String getConfigDataInfo()

Description copied from interface: ConfigDataProvider

Provides some information about config data. This information is used in logging and debugging. For example, a UrlConfigDataProvider will provide a list of URLs from which the config data is obtained.

Returns:

A String representing config data

close

public void close()

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class BaseConfigDataProvider