Package org.apache.calcite.util

Class ImmutableNullableSet.Builder<E>

java.lang.Object

org.apache.calcite.util.ImmutableNullableSet.Builder<E>

Type Parameters:

E - element type

Enclosing class:

ImmutableNullableSet<E>

public static final class ImmutableNullableSet.Builder<E>
extends Object

A builder for creating immutable nullable set instances.

Constructor Summary

Constructors

Constructor	Description
Builder()	Creates a new builder.

Method Summary

Modifier and Type	Method	Description
ImmutableNullableSet.Builder<E>	add(E element)	Adds element to the ImmutableNullableSet.
ImmutableNullableSet.Builder<E>	add(E... elements)	Adds each element of elements to the ImmutableNullableSet.
ImmutableNullableSet.Builder<E>	addAll(Iterable<? extends E> elements)	Adds each element of elements to the ImmutableNullableSet.
ImmutableNullableSet.Builder<E>	addAll(Iterator<? extends E> elements)	Adds each element of elements to the ImmutableNullableSet.
Set<E>	build()	Returns a newly-created ImmutableNullableSet based on the contents of the Builder.

Methods inherited from class java.lang.Object

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

Constructor Details

Builder

public Builder()

Creates a new builder. The returned builder is equivalent to the builder generated by ImmutableNullableSet.builder().

Method Details

add

public ImmutableNullableSet.Builder<E> add(E element)

Adds element to the ImmutableNullableSet.

Parameters:

element - the element to add

Returns:

this Builder object

addAll

public ImmutableNullableSet.Builder<E> addAll(Iterable<? extends E> elements)

Adds each element of elements to the ImmutableNullableSet.

Parameters:

elements - the Iterable to add to the ImmutableNullableSet

Returns:

this Builder object

Throws:

NullPointerException - if elements is null

add

public ImmutableNullableSet.Builder<E> add(E... elements)

Adds each element of elements to the ImmutableNullableSet.

Parameters:

elements - the elements to add to the ImmutableNullableSet

Returns:

this Builder object

Throws:

NullPointerException - if elements is null

addAll

public ImmutableNullableSet.Builder<E> addAll(Iterator<? extends E> elements)

Adds each element of elements to the ImmutableNullableSet.

Parameters:

elements - the elements to add to the ImmutableNullableSet

Returns:

this Builder object

Throws:

NullPointerException - if elements is null

build

public Set<E> build()

Returns a newly-created ImmutableNullableSet based on the contents of the Builder.