forked from Speiger/Primitive-Collections
79 lines
2.5 KiB
Plaintext
79 lines
2.5 KiB
Plaintext
package speiger.src.collections.PACKAGE.collections;
|
|
|
|
import java.util.Iterator;
|
|
#if !TYPE_OBJECT
|
|
import java.util.Objects;
|
|
import java.util.function.Consumer;
|
|
|
|
import speiger.src.collections.PACKAGE.functions.CONSUMER;
|
|
|
|
#endif
|
|
|
|
/**
|
|
* A Type-Specific {@link Iterator} that reduces (un)boxing
|
|
*/
|
|
public interface ITERATOR KEY_GENERIC_TYPE extends Iterator<CLASS_TYPE>
|
|
{
|
|
#if !TYPE_OBJECT
|
|
/**
|
|
* Returns the next element in the iteration.
|
|
*
|
|
* @return the next element in the iteration
|
|
* @throws NoSuchElementException if the iteration has no more elements
|
|
* @see Iterator#next()
|
|
*/
|
|
public KEY_TYPE NEXT();
|
|
|
|
/** {@inheritDoc}
|
|
* <p>This default implementation delegates to the corresponding type-specific function.
|
|
* @deprecated Please use the corresponding type-specific function instead.
|
|
*/
|
|
@Override
|
|
@Deprecated
|
|
public default CLASS_TYPE next() { return KEY_TO_OBJ(NEXT()); }
|
|
|
|
/**
|
|
* Performs the given action for each remaining element until all elements
|
|
* have been processed or the action throws an exception. Actions are
|
|
* performed in the order of iteration, if that order is specified.
|
|
* Exceptions thrown by the action are relayed to the caller.
|
|
*
|
|
* @implSpec
|
|
* <p>The default implementation behaves as if:
|
|
* <pre>{@code
|
|
* while (hasNext()) action.accept(NEXT());
|
|
* }</pre>
|
|
*
|
|
* @param action The action to be performed for each element
|
|
* @throws NullPointerException if the specified action is null
|
|
* @see Iterator#forEachRemaining(Consumer)
|
|
*/
|
|
public default void forEachRemaining(CONSUMER action) {
|
|
Objects.requireNonNull(action);
|
|
while(hasNext()) { action.accept(NEXT()); }
|
|
}
|
|
|
|
/** {@inheritDoc}
|
|
* <p>This default implementation delegates to the corresponding type-specific function.
|
|
* @deprecated Please use the corresponding type-specific function instead.
|
|
*/
|
|
@Deprecated
|
|
@Override
|
|
default void forEachRemaining(Consumer<? super CLASS_TYPE> action) {
|
|
Objects.requireNonNull(action);
|
|
forEachRemaining(action::accept);
|
|
}
|
|
|
|
#endif
|
|
/**
|
|
* Skips the Given amount of elements if possible. A Optimization function to skip elements faster if the implementation allows it.
|
|
* @param amount the amount of elements that should be skipped
|
|
* @return the amount of elements that were skipped
|
|
*/
|
|
default int skip(int amount) {
|
|
if(amount < 0) throw new IllegalStateException("Negative Numbers are not allowed");
|
|
int i = 0;
|
|
for(;i<amount && hasNext();NEXT(), i++);
|
|
return i;
|
|
}
|
|
} |