Package org.yamcs.yarch.rocksdb

Class RdbProtobufDatabase

java.lang.Object

org.yamcs.yarch.rocksdb.RdbProtobufDatabase

All Implemented Interfaces:

ProtobufDatabase

public class RdbProtobufDatabase
extends Object
implements ProtobufDatabase

Method Summary

Modifier and Type	Method	Description
boolean	delete(String id)	Delete a protobuf message for a specific id.
<T extends com.google.protobuf.Message> T	get(String id, Class<T> messageClass)	Retrieves a protobuf message for a specific id.
void	save(String id, com.google.protobuf.Message message)	Save a protobuf message.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

save

public void save(String id,
 com.google.protobuf.Message message)
          throws IOException

Description copied from interface: ProtobufDatabase

Save a protobuf message. If a message is already saved under the given id, it is overwritten.

Specified by:

save in interface ProtobufDatabase

Parameters:

id - the identifier

message - the protobuf message

Throws:

IOException

get

public <T extends com.google.protobuf.Message> T get(String id,
 Class<T> messageClass)
                                              throws IOException

Description copied from interface: ProtobufDatabase

Retrieves a protobuf message for a specific id.

Specified by:

get in interface ProtobufDatabase

Parameters:

id - the identifier to search for

messageClass - the expected message class

Returns:

the found message, or null

Throws:

IOException

delete

public boolean delete(String id)
               throws IOException

Description copied from interface: ProtobufDatabase

Delete a protobuf message for a specific id.

Specified by:

delete in interface ProtobufDatabase

Parameters:

id - the identifier to search for

Returns:

whether a record was found and deleted.

Throws:

IOException