/**
* 模拟委托的接口，对应C#中的委托Action（void -> void）
*
* @author Zhang Yifan
*/
@ParametersAreNonnullByDefault
public interface Action0 extends IDelegate {
/** */
void DoAction();
/** */
public static final TypeToken<Action0> ACTION0_TYPETOKEN = TypeToken.of(Action0.class);
/** A Method object that represents the only method in Action0 interface. */
public static final Invokable<Action0, Void> ACTION0_METHOD =
Methods.TryGetFirstMethod(TypeToken.of(Action0.class), "DoAction")
.get()
.returning(void.class);
// public static final Method ACTION0_METHOD = Methods.TryGetFirstMethod(Action0.class,
// "DoAction").get();
// public static final Invokable<Action0, Void> ACTION0_INVOKABLE =
// ACTION0_TYPETOKEN.method(ACTION0_METHOD).returning(Void.class);
}
/**
* Represents the method that defines a set of criteria and determines whether the specified object
* meets those criteria.
*
* @param <TIn> The type of the object to compare. This type parameter is contravariant. That is,
* you can use either the type you specified or any type that is less derived.
* @author Zhang Yifan
*/
@FunctionalInterface
public interface Predicate<TIn>
extends java.util.function.Predicate<TIn>, com.google.common.base.Predicate<TIn>, IDelegate {
/**
* Determines whether the specified object meets the criteria of this delegate.
*
* @param input The object to compare against the criteria defined within the method represented
* by this delegate.
* @return true if obj meets the criteria defined within the method represented by this delegate;
* otherwise, false.
*/
@CheckReturnValue
boolean DoPredicate(TIn input);
/**
* Determines whether the specified object meets the criteria of this delegate.
*
* @param input The object to compare against the criteria defined within the method represented
* by this delegate.
* @return true if obj meets the criteria defined within the method represented by this delegate;
* otherwise, false.
*/
@Override
@CheckReturnValue
default boolean test(final TIn input) {
return this.DoPredicate(input);
}
/**
* Determines whether the specified object meets the criteria of this delegate.
*
* @param input The object to compare against the criteria defined within the method represented
* by this delegate.
* @return true if obj meets the criteria defined within the method represented by this delegate;
* otherwise, false.
*/
@Override
@CheckReturnValue
default boolean apply(final TIn input) {
return this.DoPredicate(input);
}
// region Default methods that convert this function object(Predicate) to a function object of
// other type.
/**
* Returns a {@link java.util.function.Function} that has the same functionality as this {@link
* Predicate} instance (the returned instance wraps this {@link Predicate} instance).
*
* @see java.util.function.Function
*/
@Pure
@NoExcept
@Nonnull
@CheckReturnValue
@Inline
default <TInExt extends TIn> java.util.function.Function<TInExt, Boolean> ToFunction() {
return input -> Boolean.valueOf(this.DoPredicate(input));
}
/**
* Returns a {@link com.google.common.base.Function} that has the same functionality as this
* {@link Predicate} instance (the returned instance wraps this {@link Predicate} instance).
*
* @see com.google.common.base.Function
*/
@Pure
@NoExcept
@Nonnull
@CheckReturnValue
@Inline
default <TInExt extends TIn> Function<TInExt, Boolean> ToGuavaFunction() {
return input -> Boolean.valueOf(this.DoPredicate(input));
}
/**
* Returns a {@link com.google.common.base.Function} that has the same functionality as this
* {@link Predicate} instance (the returned instance wraps this {@link Predicate} instance).
*
* @see com.google.common.base.Function
*/
@Pure
@NoExcept
@Nonnull
@CheckReturnValue
@Inline
default <TInExt extends TIn> rx.functions.Func1<TInExt, Boolean> ToRXFuncion() {
return input -> Boolean.valueOf(this.DoPredicate(input));
}
// endregion
/** A Invokable object that represents the only method in Predicate interface. */
@Nonnull
@SuppressWarnings({"rawtypes", "unchecked"})
Invokable<Predicate, Boolean> PREDICATE_METHOD =
Methods.GetFirstMethod(TypeToken.of(Predicate.class), "DoPredicate").returning(boolean.class);
// public static final Method PREDICATE_METHOD = Methods.TryGetFirstMethod(Predicate.class,
// "DoPredicate").get();
}
