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public interface SnapShot
snapshot interface for the persistence layer. implement this interface for implementing snapshots.
Method Summary | |
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void |
close()
free resources from this snapshot immediately |
long |
deserialize(DataTree dt,
java.util.Map<java.lang.Long,java.lang.Integer> sessions)
deserialize a data tree from the last valid snapshot and return the last zxid that was deserialized |
java.io.File |
findMostRecentSnapshot()
find the most recent snapshot file |
void |
serialize(DataTree dt,
java.util.Map<java.lang.Long,java.lang.Integer> sessions,
java.io.File name)
persist the datatree and the sessions into a persistence storage |
Method Detail |
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long deserialize(DataTree dt, java.util.Map<java.lang.Long,java.lang.Integer> sessions) throws java.io.IOException
dt
- the datatree to be deserialized intosessions
- the sessions to be deserialized into
java.io.IOException
void serialize(DataTree dt, java.util.Map<java.lang.Long,java.lang.Integer> sessions, java.io.File name) throws java.io.IOException
dt
- the datatree to be serializedsessions
-
java.io.IOException
java.io.File findMostRecentSnapshot() throws java.io.IOException
java.io.IOException
void close() throws java.io.IOException
java.io.IOException
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