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added javadoc

This commit is contained in:
Adrian Cole 2012-04-19 11:55:56 -07:00
parent d841d2e76a
commit 66dc8787ae
1 changed files with 16 additions and 9 deletions
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21
core/src/main/java/org/jclouds/Wrapper.java
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@ -24,7 +24,12 @@ import com.google.common.annotations.Beta;
import com.google.common.reflect.TypeToken; import com.google.common.reflect.TypeToken;
/** /**
* * {@link Wrapper} allows access to the provider-specific, or library-driven api
* behind an abstraction. One wrapped context can support multiple wrappers.
* <p/>
* For example, the {@code CloudStackContext} can be wrapped by both
* {@code ComputeServiceContext} and {@code LoadBalancerServiceContext}, as the
* api covers these features.
* *
* @author Adrian Cole * @author Adrian Cole
* *
@ -39,22 +44,24 @@ public interface Wrapper {
TypeToken<?> getWrappedType(); TypeToken<?> getWrappedType();
/** /**
* Return an object of the specified type to allow access to the wrapped context. If the wrapped * Return an object of the specified type to allow access to the wrapped
* context is not assignable from the supplied type, an {@link IllegalArgumentException} is * context. If the wrapped context is not assignable from the supplied type,
* thrown. * an {@link IllegalArgumentException} is thrown.
* *
* @param type * @param type
* the type of the context to be returned. The wrapped context must be assignable from * the type of the context to be returned. The wrapped context must
* this type. * be assignable from this type.
* @return an instance of the specified type * @return an instance of the specified type
* @throws IllegalArgumentException * @throws IllegalArgumentException
* if the wrapped context is not assignable from the specified class. * if the wrapped context is not assignable from the specified
* class.
* @see #getWrappedType() * @see #getWrappedType()
*/ */
<C extends Closeable> C unwrap(TypeToken<C> type) throws IllegalArgumentException; <C extends Closeable> C unwrap(TypeToken<C> type) throws IllegalArgumentException;
/** /**
* shortcut for {@code unwrap(TypeToken.of(clazz))} * shortcut for {@code unwrap(TypeToken.of(clazz))}
*
* @see #unwrap(TypeToken) * @see #unwrap(TypeToken)
*/ */
<C extends Closeable> C unwrap(Class<C> clazz) throws IllegalArgumentException; <C extends Closeable> C unwrap(Class<C> clazz) throws IllegalArgumentException;