io.cdap.wrangler.parser

Class ConfigDirectiveContext

java.lang.Object

io.cdap.wrangler.parser.ConfigDirectiveContext

All Implemented Interfaces:

DirectiveAlias, DirectiveContext, DirectiveEnforcer

public class ConfigDirectiveContext
extends Object
implements DirectiveContext

This class ConfigDirectiveContext manages the context for directive by either retrieving the configuration from a service or from a provided instance of DirectiveConfig.

Constructor Summary

Constructors

Constructor and Description
ConfigDirectiveContext(DirectiveConfig config)
ConfigDirectiveContext(URL url)

Method Summary

Modifier and Type	Method and Description
String	getAlias(String directive) Returns the root directive aliasee
boolean	hasAlias(String directive) Checks if the directive is aliased.
boolean	isExcluded(String directive) Checks if the directive is being excluded from being used.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConfigDirectiveContext

public ConfigDirectiveContext(DirectiveConfig config)

ConfigDirectiveContext

public ConfigDirectiveContext(URL url)
                       throws IOException

Throws:

IOException

Method Detail

hasAlias

public boolean hasAlias(String directive)

Checks if the directive is aliased.

Specified by:

hasAlias in interface DirectiveAlias

Parameters:

directive - to be checked for aliasing.

Returns:

true if the directive has an alias, false otherwise.

getAlias

public String getAlias(String directive)

Returns the root directive aliasee

Specified by:

getAlias in interface DirectiveAlias

Parameters:

directive -

Returns:

isExcluded

public boolean isExcluded(String directive)

Checks if the directive is being excluded from being used.

Specified by:

isExcluded in interface DirectiveEnforcer

Parameters:

directive - to be checked for exclusion.

Returns:

true if excluded, false otherwise.