SnapshotProcessor (Node Commons 1.1.1 API)

All Known Subinterfaces:

IAuthorizer, IRoleAccessor, IRoleManager, IUserAccessor, IUserManager

All Known Implementing Classes:

BasicAuthorizer, BasicRoleManager, BasicUserManager, LocalFileAuthorizer, LocalFileRoleAccessor, LocalFileRoleManager, LocalFileUserAccessor, LocalFileUserManager, OpenIdAuthorizer, SyncMetadata
```
public interface SnapshotProcessor
```
Different from interface of state machines interacting with consensus groups. This interface is where each module actually performs the snapshot inside the state machine. Every module that can actually process(modify) snapshot content should implement it.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`processLoadSnapshot(java.io.File snapshotDir)`	Load snapshot
`boolean`	`processTakeSnapshot(java.io.File snapshotDir)`	Take snapshot

- Method Detail
  - processTakeSnapshot
```
boolean processTakeSnapshot(java.io.File snapshotDir)
                     throws org.apache.thrift.TException,
                            java.io.IOException
```
    Take snapshot
    
    Parameters:
    
    snapshotDir - Where snapshot files are stored.
    
    Returns:
    
    Whether the snapshot is successfully executed
    
    Throws:
    
    org.apache.thrift.TException - Exception occurred during the thrift serialize struct
    
    java.io.IOException - Exception related to file read and write
  - processLoadSnapshot
```
void processLoadSnapshot(java.io.File snapshotDir)
                  throws org.apache.thrift.TException,
                         java.io.IOException
```
    Load snapshot
    
    Parameters:
    
    snapshotDir - Load snapshot from here
    
    Throws:
    
    org.apache.thrift.TException - Exception occurred during the thrift deserialize struct
    
    java.io.IOException - Exception related to file read and write