io.cdap.wrangler.api

Class DirectiveConfig

java.lang.Object

io.cdap.wrangler.api.DirectiveConfig

public final class DirectiveConfig
extends Object

This class DirectiveConfig defines the configuration for the Wrangler. It specifies the directive exclusions -- meaning directives that should not be accessible to the users and as well as directive aliases. { "exclusions" : [ "parse-as-csv", "parse-as-excel", "set", "invoke-http" ], "aliases" : { "json-parser" : "parse-as-json", "js-parser" : "parse-as-json" } }

Field Summary

Fields

Modifier and Type	Field and Description
static DirectiveConfig	EMPTY

Constructor Summary

Constructors

Constructor and Description
DirectiveConfig()

Method Summary

Modifier and Type	Method and Description
String	getAliasName(String directive) Dereferences an alias if defined, else returns the directive itself.
Map<String,List<String>>	getReverseAlias()
boolean	hasAlias(String directive) Checks if a directive is aliased.
boolean	isExcluded(String directive) Checks if the directive should be excluded.
com.google.gson.JsonElement	toJson() Converts this object into a JsonElement.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY

public static final DirectiveConfig EMPTY

Constructor Detail

DirectiveConfig

public DirectiveConfig()

Method Detail

hasAlias

public boolean hasAlias(String directive)

Checks if a directive is aliased.

Parameters:

directive - to checked for alias.

Returns:

getAliasName

public String getAliasName(String directive)

Dereferences an alias if defined, else returns the directive itself.

Parameters:

directive - to be dereferenced.

Returns:

dereferenced directive or null.

getReverseAlias

public Map<String,List<String>> getReverseAlias()

isExcluded

public boolean isExcluded(String directive)

Checks if the directive should be excluded.

Parameters:

directive - to checked if it has to be excluded.

Returns:

true if directive is excluded, false otherwise.

toJson

public com.google.gson.JsonElement toJson()

Converts this object into a JsonElement.

Returns:

JsonElement representation of this object.