R
- the raw value typepublic static class NullImplementation.NullPersistenceManager<R> extends Object implements com.oracle.datagrid.persistence.PersistenceManager<R>, com.oracle.datagrid.persistence.PersistenceTools
PersistenceManager
that does nothing.Modifier and Type | Field and Description |
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static NullImplementation.NullPersistenceManager |
INSTANCE
Singleton instance of a NullPersistenceManager.
|
Constructor and Description |
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NullPersistenceManager() |
Modifier and Type | Method and Description |
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void |
close(String sId)
Close the associated PersistentStore and release exclusive access to the associated resources.
|
boolean |
delete(String sId, boolean fSafe)
Remove the PersistentStore associated with the specified identifier.
|
String |
getName()
Return the name of this manager.
|
com.oracle.datagrid.persistence.OfflinePersistenceInfo |
getPersistenceInfo()
Return summary information regarding the available
PersistentStore s under the context of the PersistenceManager (snapshot or archived snapshot). |
com.oracle.datagrid.persistence.PersistenceTools |
getPersistenceTools()
Return an instance of
PersistenceTools allowing offline operations to be performed against the associated PersistenceManager and appropriate PersistentStore . |
com.oracle.datagrid.persistence.PersistenceStatistics |
getStatistics()
Return a
PersistenceStatistics object representing the available PersistentStore s under the context of the associated PersistenceManager (snapshot or archived snapshot). |
String[] |
list()
Return the identifiers of the PersistentStores known to this manager.
|
String[] |
listOpen()
Return the identifiers of PersistentStores that are currently open.
|
com.oracle.datagrid.persistence.PersistentStore<R> |
open(String sId)
Open or create a PersistentStore associated with the specified identifier.
|
void |
read(String sId, InputStream in)
Read the PersistenceStore associated with the specified identifier from the given input stream, making it available to this manager.
|
void |
release()
Release all resources held by this manager.
|
void |
validate()
Validate the available
PersistentStore s under the context of the associated PersistenceManager (snapshot or archived snapshot). |
void |
write(String sId, OutputStream out)
Write the PersistentStore associated with the specified identifier to the given output stream.
|
public static final NullImplementation.NullPersistenceManager INSTANCE
public String getName()
getName
in interface com.oracle.datagrid.persistence.PersistenceManager<R>
public com.oracle.datagrid.persistence.PersistentStore<R> open(String sId)
open
in interface com.oracle.datagrid.persistence.PersistenceManager<R>
sId
- a unique identifier for the storepublic void close(String sId)
close
in interface com.oracle.datagrid.persistence.PersistenceManager<R>
sId
- a unique identifier of the store to closepublic boolean delete(String sId, boolean fSafe)
delete
in interface com.oracle.datagrid.persistence.PersistenceManager<R>
sId
- a unique identifier of the store to removefSafe
- if true, remove the store by moving it to a restorable location (if possible) rather than deleting itpublic String[] list()
list
in interface com.oracle.datagrid.persistence.PersistenceManager<R>
public String[] listOpen()
listOpen
in interface com.oracle.datagrid.persistence.PersistenceManager<R>
public void read(String sId, InputStream in) throws IOException
read
in interface com.oracle.datagrid.persistence.PersistenceManager<R>
sId
- a unique identifier of the store to readin
- the stream to read fromIOException
- if an error occurred while reading from the streampublic void write(String sId, OutputStream out) throws IOException
write
in interface com.oracle.datagrid.persistence.PersistenceManager<R>
sId
- a unique identifier of the store to writeout
- the stream to write toIOException
- if an error occurred while writing to the streampublic void release()
release
in interface com.oracle.datagrid.persistence.PersistenceManager<R>
public com.oracle.datagrid.persistence.PersistenceTools getPersistenceTools()
PersistenceTools
allowing offline operations to be performed against the associated PersistenceManager and appropriate PersistentStore
.getPersistenceTools
in interface com.oracle.datagrid.persistence.PersistenceManager<R>
public com.oracle.datagrid.persistence.OfflinePersistenceInfo getPersistenceInfo()
com.oracle.datagrid.persistence.PersistenceTools
PersistentStore
s under the context of the PersistenceManager
(snapshot or archived snapshot).getPersistenceInfo
in interface com.oracle.datagrid.persistence.PersistenceTools
public void validate()
com.oracle.datagrid.persistence.PersistenceTools
PersistentStore
s under the context of the associated PersistenceManager
(snapshot or archived snapshot).validate
in interface com.oracle.datagrid.persistence.PersistenceTools
public com.oracle.datagrid.persistence.PersistenceStatistics getStatistics()
com.oracle.datagrid.persistence.PersistenceTools
PersistenceStatistics
object representing the available PersistentStore
s under the context of the associated PersistenceManager
(snapshot or archived snapshot).getStatistics
in interface com.oracle.datagrid.persistence.PersistenceTools