de.flapdoodle.transition.processlike

Class ImmutableState.Builder<T>

java.lang.Object

de.flapdoodle.transition.processlike.ImmutableState.Builder<T>

Enclosing class:

ImmutableState<T>

public static final class ImmutableState.Builder<T>
extends Object

Builds instances of type ImmutableState. Initialize attributes and then invoke the build() method to create an immutable instance.

Builder is not thread-safe and generally should not be stored in a field or collection, but instead used immediately to create instances.

Method Summary

Modifier and Type	Method and Description
ImmutableState<T>	build() Builds a new ImmutableState.
ImmutableState.Builder<T>	from(State<T> instance) Fill a builder with attribute values from the provided State instance.
ImmutableState.Builder<T>	type(NamedType<T> type) Initializes the value for the type attribute.
ImmutableState.Builder<T>	value(T value) Initializes the value for the value attribute.

Methods inherited from class java.lang.Object

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

Method Detail

from

public final ImmutableState.Builder<T> from(State<T> instance)

Fill a builder with attribute values from the provided State instance. Regular attribute values will be replaced with those from the given instance. Absent optional values will not replace present values.

Parameters:

instance - The instance from which to copy values

Returns:

this builder for use in a chained invocation

type

public final ImmutableState.Builder<T> type(NamedType<T> type)

Initializes the value for the type attribute.

Parameters:

type - The value for type

Returns:

this builder for use in a chained invocation

value

public final ImmutableState.Builder<T> value(T value)

Initializes the value for the value attribute.

Parameters:

value - The value for value

Returns:

this builder for use in a chained invocation

build

public ImmutableState<T> build()

Builds a new ImmutableState.

Returns:

An immutable instance of State

Throws:

IllegalStateException - if any required attributes are missing