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public interface RecoveryStore
All ObjectStore implementations that are used to drive recovery MUST implement this interface. Because recovery is a superset of transaction logging, those methods are also available.
Method Summary | |
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boolean |
allObjUids(String s,
InputObjectState buff)
|
boolean |
allObjUids(String s,
InputObjectState buff,
int m)
Obtain all of the Uids for a specified type. |
boolean |
allTypes(InputObjectState buff)
Obtain all types of objects stored in the object store. |
int |
currentState(Uid u,
String tn)
|
boolean |
hide_state(Uid u,
String tn)
Hide the object's state in the object store. |
boolean |
isType(Uid u,
String tn,
int st)
Is the current state of the object the same as that provided as the last parameter? |
InputObjectState |
read_committed(Uid u,
String tn)
Read the object's committed state. |
boolean |
reveal_state(Uid u,
String tn)
Reveal a hidden object's state. |
Methods inherited from interface com.arjuna.ats.arjuna.objectstore.TxLog |
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remove_committed, sync, write_committed |
Methods inherited from interface com.arjuna.ats.arjuna.objectstore.BaseStore |
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getStoreName, start, stop |
Method Detail |
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boolean allObjUids(String s, InputObjectState buff, int m) throws ObjectStoreException
s
- The type to scan for.buff
- The object state in which to store the Uidsm
- The file type to look for (e.g., committed, shadowed). [StateStatus]
true
if no errors occurred, false
otherwise.
ObjectStoreException
boolean allObjUids(String s, InputObjectState buff) throws ObjectStoreException
ObjectStoreException
boolean allTypes(InputObjectState buff) throws ObjectStoreException
buff
- The state in which to store the types.
true
if no errors occurred, false
otherwise.
ObjectStoreException
int currentState(Uid u, String tn) throws ObjectStoreException
u
- The object to query.tn
- The type of the object to query.
ObjectStoreException
boolean hide_state(Uid u, String tn) throws ObjectStoreException
u
- The object to work on.tn
- The type of the object to work on.
true
if no errors occurred, false
otherwise.
ObjectStoreException
boolean reveal_state(Uid u, String tn) throws ObjectStoreException
u
- The object to work on.tn
- The type of the object to work on.
true
if no errors occurred, false
otherwise.
ObjectStoreException
InputObjectState read_committed(Uid u, String tn) throws ObjectStoreException
u
- The object to work on.tn
- The type of the object to work on.
ObjectStoreException
boolean isType(Uid u, String tn, int st) throws ObjectStoreException
u
- The object to work on.tn
- The type of the object.st
- The expected type of the object. [StateType]
true
if the current state is as expected,
false
otherwise.
ObjectStoreException
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