io.cdap.wrangler.api.parser

Class Identifier

java.lang.Object

io.cdap.wrangler.api.parser.Identifier

All Implemented Interfaces:

Token, Serializable

@PublicEvolving
public class Identifier
extends Object
implements Token

The Identifier class wraps the primitive type String in a object. An object of type Identifier contains the value in primitive type as well as the type of the token this class represents.

In addition, this class provides two methods one to extract the value held by this wrapper object, and the second for extracting the type of the token.

See Also:

BoolList, ColumnName, ColumnNameList, DirectiveName, Numeric, NumericList, Properties, Ranges, Expression, Text, TextList, Serialized Form

Constructor Summary

Constructors

Constructor and Description
Identifier(String value) Allocates a String object representing the value argument.

Method Summary

Modifier and Type	Method and Description
com.google.gson.JsonElement	toJson() Returns the members of this Identifier object as a JsonElement.
TokenType	type() Returns the type of this Identifier object as a TokenType enum.
String	value() Returns the value of this String object as a boolean primitive.

Methods inherited from class java.lang.Object

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

Constructor Detail

Identifier

public Identifier(String value)

Allocates a String object representing the value argument.

Parameters:

value - the value of the String.

Method Detail

value

public String value()

Returns the value of this String object as a boolean primitive.

Specified by:

value in interface Token

Returns:

the primitive Identifier value of this object.

type

public TokenType type()

Returns the type of this Identifier object as a TokenType enum.

Specified by:

type in interface Token

Returns:

the enumerated TokenType of this object.

toJson

public com.google.gson.JsonElement toJson()

Returns the members of this Identifier object as a JsonElement.

Specified by:

toJson in interface Token

Returns:

Json representation of this Identifier object as JsonElement