com.revusky.niggle.data.transaction
Interface TransactionalDataSource
- All Superinterfaces:
- DataSource, MutableDataSource, java.rmi.Remote
- public interface TransactionalDataSource
- extends MutableDataSource
An interface that represents the contract of a Niggle DataSource
that supports atomic transactions
Method Summary |
void |
commit(java.lang.String transactionID)
Commit the transaction that is identified by this transactionID |
void |
delete(java.lang.String type,
java.lang.Object key,
java.lang.String transactionID)
delete the Record of the given type and primary key
taking into account the transaction which this is part of. |
Record |
get(java.lang.String type,
java.lang.Object key,
java.lang.String transactionID)
|
void |
insert(Record rec,
java.lang.String transactionID)
update the Record taking into account the transaction which this is part of. |
java.lang.String |
newTransaction()
|
void |
rollback(java.lang.String transactionID)
Roll back the transaction |
java.util.List |
select(java.lang.String type,
RecordFilter filter,
java.lang.String transactionID)
|
void |
update(Record rec,
java.lang.String transactionID)
update the Record taking into account the transaction which this is part of. |
insert
public void insert(Record rec,
java.lang.String transactionID)
throws java.io.IOException
- update the Record taking into account the transaction which this is part of.
update
public void update(Record rec,
java.lang.String transactionID)
throws java.io.IOException
- update the Record taking into account the transaction which this is part of.
delete
public void delete(java.lang.String type,
java.lang.Object key,
java.lang.String transactionID)
throws java.io.IOException
- delete the Record of the given type and primary key
taking into account the transaction which this is part of.
get
public Record get(java.lang.String type,
java.lang.Object key,
java.lang.String transactionID)
throws java.io.IOException
- Returns:
- the Record of the given type and primary key
taking into account the transaction which this is part of.
select
public java.util.List select(java.lang.String type,
RecordFilter filter,
java.lang.String transactionID)
throws java.io.IOException
- Returns:
- a List of records that meet the criterion encapsulated by
the filter arg, taking into account the transaction which this is part of.
commit
public void commit(java.lang.String transactionID)
throws java.io.IOException
- Commit the transaction that is identified by this transactionID
rollback
public void rollback(java.lang.String transactionID)
throws java.io.IOException
- Roll back the transaction
newTransaction
public java.lang.String newTransaction()
throws java.io.IOException
- Returns:
- a unique ID for a new transaction.