Package io.activej.state

Interface StateManager<T,R extends Comparable<R>>

All Known Implementing Classes:

FileStateManager

public interface StateManager<T,R extends Comparable<R>>

Method Summary

Modifier and Type	Method	Description
R	getLastDiffRevision(R currentRevision)
R	getLastSnapshotRevision()
T	loadDiff(T state, R revisionFrom, R revisionTo)
T	loadSnapshot(R revision)
R	newRevision()
void	saveDiff(T state, R revision, T stateFrom, R revisionFrom)
void	saveSnapshot(T state, R revision)
T	tryLoadDiff(T state, R revisionFrom, R revisionTo)
T	tryLoadSnapshot(R revision)

Method Details

newRevision

@NotNull
R newRevision()
       throws IOException

Throws:

IOException

getLastSnapshotRevision

@Nullable
R getLastSnapshotRevision()
                   throws IOException

Throws:

IOException

getLastDiffRevision

@Nullable
R getLastDiffRevision(@NotNull
 R currentRevision)
               throws IOException

Throws:

IOException

loadSnapshot

@NotNull
T loadSnapshot(@NotNull
 R revision)
        throws IOException

Throws:

IOException

tryLoadSnapshot

@Nullable
T tryLoadSnapshot(@NotNull
 R revision)
           throws IOException

Throws:

IOException

loadDiff

@NotNull
T loadDiff(@NotNull
 T state,
 @NotNull
 R revisionFrom,
 @NotNull
 R revisionTo)
    throws IOException

Throws:

IOException

tryLoadDiff

@Nullable
T tryLoadDiff(@NotNull
 T state,
 @NotNull
 R revisionFrom,
 @NotNull
 R revisionTo)
       throws IOException

Throws:

IOException

saveSnapshot

void saveSnapshot(@NotNull
 T state,
 @NotNull
 R revision)
           throws IOException

Throws:

IOException

saveDiff

void saveDiff(@NotNull
 T state,
 @NotNull
 R revision,
 @NotNull
 T stateFrom,
 @NotNull
 R revisionFrom)
       throws IOException

Throws:

IOException