com.amazon.speech.speechlet

Class Context

java.lang.Object

com.amazon.speech.speechlet.Context

public final class Context
extends Object

The context for a SpeechletRequest containing the state of the interfaces.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Context.Builder Builder used to construct a new Context.

Method Summary

Modifier and Type	Method and Description
static Context.Builder	builder() Returns a new builder instance used to construct a new Context.
<T extends Interface,S extends State<T>> S	getState(Class<T> interfaceClass, Class<S> castClass) Returns State for interface if it exists, null otherwise.
<T extends Interface> boolean	hasState(Class<T> clazz) Returns true if context has State for the interface, false otherwise.

Methods inherited from class java.lang.Object

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

Method Detail

builder

public static Context.Builder builder()

Returns a new builder instance used to construct a new Context.

Returns:

the builder

hasState

public <T extends Interface> boolean hasState(Class<T> clazz)

Returns true if context has State for the interface, false otherwise.

Type Parameters:

T - the interface subtype

Parameters:

clazz - the interface class

Returns:

true if context has State for the interface, false otherwise

getState

public <T extends Interface,S extends State<T>> S getState(Class<T> interfaceClass,
                                                           Class<S> castClass)

Returns State for interface if it exists, null otherwise.

Type Parameters:

T - the interface subtype

S - the state type for the interface

Parameters:

interfaceClass - the interface class

castClass - the class type that should be returned by this method. This is typically denoted by a static field called STATE_TYPE of the interfaceClass.

Returns:

the state for the interface if it exists, null otherwise