com.google.javascript.rhino.jstype

Class UnionTypeBuilder

java.lang.Object

com.google.javascript.rhino.jstype.UnionTypeBuilder

All Implemented Interfaces:

Serializable

public class UnionTypeBuilder
extends Object
implements Serializable

A builder for union types.

Author:

nicksantos@google.com (Nick Santos)

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
UnionTypeBuilder(JSTypeRegistry registry)

Method Summary

Modifier and Type	Method and Description
UnionTypeBuilder	addAlternate(JSType alternate) Adds an alternate to the union type under construction.
UnionTypeBuilder	addAlternate(JSType alternate, boolean isStructural) Adds an alternate to the union type under construction.
JSType	build() Creates a union.

Methods inherited from class java.lang.Object

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

Constructor Detail

UnionTypeBuilder

public UnionTypeBuilder(JSTypeRegistry registry)

Method Detail

addAlternate

public UnionTypeBuilder addAlternate(JSType alternate,
                                     boolean isStructural)

Adds an alternate to the union type under construction. Returns this for easy chaining.

addAlternate

public UnionTypeBuilder addAlternate(JSType alternate)

Adds an alternate to the union type under construction. Returns this for easy chaining.

build

public JSType build()

Creates a union.

Returns:

A UnionType if it has two or more alternates, the only alternate if it has one and otherwise NO_TYPE.