FactStorage (evrete-core 3.1.00 API)

All Superinterfaces:

Iterable<FactStorage.Entry<T>>, ReIterable<FactStorage.Entry<T>>
```
public interface FactStorage<T>
extends ReIterable<FactStorage.Entry<T>>
```

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static interface FactStorage.Entry<Z>

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`clear()`
`void`	`delete(FactHandle handle)`
`T`	`getFact(FactHandle handle)`
`FactHandle`	`insert(T fact)`	Creates and returns new FactHandle for each inserted fact.
`void`	`update(FactHandle handle, T newInstance)`

Methods inherited from interface java.lang.Iterable
forEach, spliterator

Methods inherited from interface org.evrete.api.ReIterable
iterator, iterator

- Method Detail
  - insert
```
FactHandle insert(T fact)
```
    Creates and returns new FactHandle for each inserted fact. The contract is that the implementation must return null if object is already known and not deleted.
    
    Parameters:
    
    fact - the fact being inserted in the working memory
    
    Returns:
    
    null if object has been already inserted or a new FactHandle otherwise
  - delete
```
void delete(FactHandle handle)
```
  - update
```
void update(FactHandle handle,
            T newInstance)
```
  - getFact
```
T getFact(FactHandle handle)
```
  - clear
```
void clear()
```