FileChangeAware (Helidon Dev Loop 2.1.0 API)

All Known Implementing Classes:

BuildFile, BuildFiles, BuildRoot.Changes
```
public interface FileChangeAware
```
A type that can detect file modification time changes.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`Optional<FileTime>`	`changedTime()`	Returns the most recent change time, if any.
`static <T extends FileChangeAware> Optional<FileTime>`	`changedTimeOf(Collection<T> collection)`	Returns the most recent time if there is a change in any element of the collection.
`default boolean`	`hasChanged()`	Returns whether or not this file has a changed time.

- Method Detail
  - hasChanged
```
default boolean hasChanged()
```
    Returns whether or not this file has a changed time.
    
    Returns:
    
    true if changed.
  - changedTime
```
Optional<FileTime> changedTime()
```
    Returns the most recent change time, if any.
    
    Returns:
    
    The time if changed.
  - changedTimeOf
```
static <T extends FileChangeAware> Optional<FileTime> changedTimeOf(Collection<T> collection)
```
    Returns the most recent time if there is a change in any element of the collection.
    
    Type Parameters:
    
    T - The collection type.
    
    Parameters:
    
    collection - The collection.
    
    Returns:
    
    The time if changed.