DataSource (Drools :: RuleUnit 7.74.1.Final API)

All Superinterfaces:

Iterable<T>

All Known Subinterfaces:

InternalDataSource<T>

All Known Implementing Classes:

CursoredDataSource
```
public interface DataSource<T>
extends Iterable<T>
```
A DataSource is a source of the data processed by a given RuleUnit.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class DataSource.DataSourceFactory

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`static <T> DataSource<T>`	`create(T... items)`	Creates a DataSource, optionally containing some items
`void`	`delete(Object object)`	Deletes the given object from this DataSource
`void`	`delete(org.kie.api.runtime.rule.FactHandle handle)`	Deletes the fact for which the given FactHandle was assigned
`org.kie.api.runtime.rule.FactHandle`	`insert(T object)`	Inserts a new fact into this DataSource
`void`	`update(org.kie.api.runtime.rule.FactHandle handle, T object, String... modifiedProperties)`	Updates the fact for which the given FactHandle was assigned with the new fact set as the second parameter in this method.

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

- Method Detail
  - insert
```
org.kie.api.runtime.rule.FactHandle insert(T object)
```
    Inserts a new fact into this DataSource
    
    Parameters:
    
    object - the fact to be inserted
    
    Returns:
    
    the fact handle created for the given fact
  - update
```
void update(org.kie.api.runtime.rule.FactHandle handle,
            T object,
            String... modifiedProperties)
```
    Updates the fact for which the given FactHandle was assigned with the new fact set as the second parameter in this method. It is also possible to optionally specify the set of properties that have been modified.
    
    Parameters:
    
    handle - the FactHandle for the fact to be updated.
    
    object - the new value for the fact being updated.
    
    modifiedProperties - the list of the names of the object's properties modified by this update.
  - delete
```
void delete(org.kie.api.runtime.rule.FactHandle handle)
```
    Deletes the fact for which the given FactHandle was assigned
    
    Parameters:
    
    handle - the handle whose fact is to be retracted.
  - delete
```
void delete(Object object)
```
    Deletes the given object from this DataSource
    
    Parameters:
    
    object - the object to be deleted.
  - create
```
static <T> DataSource<T> create(T... items)
```
    Creates a DataSource, optionally containing some items
    
    Parameters:
    
    items - the items contained in the DataSource.