Package org.eclipse.handly.context

Class Context

java.lang.Object

org.eclipse.handly.context.Context

All Implemented Interfaces:

IContext

public final class Context
extends Object
implements IContext

Implementation of IContext that is based on explicit bindings and does not allow re-binding. It is illegal to bind a key that has already been bound.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	Context.BindingBuilder<T>	Associates a value with a key in this context.

Constructor Summary

Constructors

Constructor	Description
Context()

Method Summary

Modifier and Type	Method	Description
<T> Context.BindingBuilder<T>	bind(Class<T> clazz)	Returns a binding builder for the given class.
<T> Context.BindingBuilder<T>	bind(Property<T> property)	Returns a binding builder for the given property.
boolean	containsKey(Class<?> clazz)	Returns whether this context has a value associated with the given class.
boolean	containsKey(Property<?> property)	Returns whether this context has a value associated with the given property.
<T> T	get(Class<T> clazz)	Returns the context value associated with the given class.
<T> T	get(Property<T> property)	Returns the context value associated with the given property.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.handly.context.IContext

getOrDefault

Constructor Details

Context

public Context()

Method Details

get

public <T> T get(Property<T> property)

Description copied from interface: IContext

Returns the context value associated with the given property.

Specified by:

get in interface IContext

Parameters:

property - the property being queried (not null)

Returns:

an object corresponding to the given property, or null

get

public <T> T get(Class<T> clazz)

Description copied from interface: IContext

Returns the context value associated with the given class.

Specified by:

get in interface IContext

Parameters:

clazz - the class being queried (not null)

Returns:

an object corresponding to the given class, or null

containsKey

public boolean containsKey(Property<?> property)

Description copied from interface: IContext

Returns whether this context has a value associated with the given property.

Specified by:

containsKey in interface IContext

Parameters:

property - the property being queried (not null)

Returns:

true if this context has a value for the given property, and false otherwise

containsKey

public boolean containsKey(Class<?> clazz)

Description copied from interface: IContext

Returns whether this context has a value associated with the given class.

Specified by:

containsKey in interface IContext

Parameters:

clazz - the class being queried (not null)

Returns:

true if this context has a value for the given class, and false otherwise

bind

public <T> Context.BindingBuilder<T> bind(Property<T> property)

Returns a binding builder for the given property.

Parameters:

property - the property to bind (not null)

Returns:

a binding builder (never null)

bind

public <T> Context.BindingBuilder<T> bind(Class<T> clazz)

Returns a binding builder for the given class.

Parameters:

clazz - the class to bind (not null)

Returns:

a binding builder (never null)