ItemHandler (Slimefun4 - Javadocs)

All Known Subinterfaces:

BlockBreakHandler, BlockDispenseHandler, BlockPlaceHandler, BlockUseHandler, BowShootHandler, EntityKillHandler, ItemConsumptionHandler, ItemDropHandler, ItemUseHandler, MultiBlockInteractionHandler

All Known Implementing Classes:

BlockTicker, GeneratorTicker, RainbowTicker

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface ItemHandler
```
An ItemHandler represents a certain action that a SlimefunItem can perform.

Author:

TheBusyBiscuit

See Also:

ItemUseHandler, ItemConsumptionHandler, BlockUseHandler, EntityKillHandler

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`Class<? extends ItemHandler>`	`getIdentifier()`	This method returns the identifier for this `ItemHandler`.
`default boolean`	`isPrivate()`	This method is used to determine whether this `ItemHandler` can be safely associated with one particular `SlimefunItem`.
`default Optional<IncompatibleItemHandlerException>`	`validate(SlimefunItem item)`	This method is used to check whether a given `SlimefunItem` is compatible with this `ItemHandler`, it will return an `IncompatibleItemHandlerException` if the items are not compatible.

- Method Detail
  - isPrivate
```
default boolean isPrivate()
```
    This method is used to determine whether this ItemHandler can be safely associated with one particular SlimefunItem. Should this ItemHandler not be private, then it will never be permanently linked to a SlimefunItem.
    
    Returns:
    
    Whether this ItemHandler is considered private.
  - validate
```
default Optional<IncompatibleItemHandlerException> validate(SlimefunItem item)
```
    This method is used to check whether a given SlimefunItem is compatible with this ItemHandler, it will return an IncompatibleItemHandlerException if the items are not compatible.
    
    Parameters:
    
    item - The SlimefunItem to validate
    
    Returns:
    
    An Optional describing the result, it will contain an IncompatibleItemHandlerException should there be an issue
  - getIdentifier
```
Class<? extends ItemHandler> getIdentifier()
```
    This method returns the identifier for this ItemHandler. We use a Class identifier to group Item Handlers together.
    
    Returns:
    
    The Class identifier for this ItemHandler