org.springframework.boot.devtools.filewatch

Interface SnapshotStateRepository

public interface SnapshotStateRepository

Repository used by FileSystemWatcher to save file/directory snapshots across restarts.

Since:

2.4.0

Author:

Phillip Webb

Field Summary

Fields

Modifier and Type	Field and Description
static SnapshotStateRepository	NONE A No-op SnapshotStateRepository that does not save state.
static SnapshotStateRepository	STATIC A SnapshotStateRepository that uses a static instance to keep state across restarts.

Method Summary

Modifier and Type	Method and Description
Object	restore() Restore any previously saved state.
void	save(Object state) Save the given state in the repository.

Field Detail

NONE

static final SnapshotStateRepository NONE

A No-op SnapshotStateRepository that does not save state.

STATIC

static final SnapshotStateRepository STATIC

A SnapshotStateRepository that uses a static instance to keep state across restarts.

Method Detail

save

void save(Object state)

Save the given state in the repository.

Parameters:

state - the state to save

restore

Object restore()

Restore any previously saved state.

Returns:

the previously saved state or null