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com.tangosol.util
Class NullImplementation.NullPersistentStore

java.lang.Object
com.tangosol.util.NullImplementation.NullPersistentStore

All Implemented Interfaces:

com.oracle.datagrid.persistence.PersistentStore

Enclosing class:

NullImplementation

public static class NullImplementation.NullPersistentStore

extends java.lang.Object

implements com.oracle.datagrid.persistence.PersistentStore

A PersistentStore that does as little as possible.

Nested Class Summary

protected class

NullImplementation.NullPersistentStore.Token Token returned by begin(Collector, Object).

Nested classes/interfaces inherited from interface com.oracle.datagrid.persistence.PersistentStore

com.oracle.datagrid.persistence.PersistentStore.Visitor

Field Summary

static NullImplementation.NullPersistentStore

INSTANCE Singleton instance of a NullPersistentStore.

Constructor Summary

NullImplementation.NullPersistentStore()

Method Summary

void	abort(java.lang.Object oToken)
java.lang.Object	begin()
java.lang.Object	begin(com.oracle.common.base.Collector collector, java.lang.Object oReceipt)
void	commit(java.lang.Object oToken)
void	deleteExtent(long lExtentId)
boolean	ensureExtent(long lExtentId)
void	erase(long lExtentId, java.lang.Object key, java.lang.Object oToken)
long[]	extents()
java.lang.String	getId()
void	iterate(com.oracle.datagrid.persistence.PersistentStore.Visitor visitor)
java.lang.Object	load(long lExtentId, java.lang.Object key)
void	store(long lExtentId, java.lang.Object key, java.lang.Object value, java.lang.Object oToken)

Field Detail

INSTANCE

public static final NullImplementation.NullPersistentStore INSTANCE

Singleton instance of a NullPersistentStore.

Constructor Detail

NullImplementation.NullPersistentStore

public NullImplementation.NullPersistentStore()

Method Detail

getId

public java.lang.String getId()

Specified by:

getId in interface com.oracle.datagrid.persistence.PersistentStore

ensureExtent

public boolean ensureExtent(long lExtentId)

Specified by:

ensureExtent in interface com.oracle.datagrid.persistence.PersistentStore

deleteExtent

public void deleteExtent(long lExtentId)

Specified by:

deleteExtent in interface com.oracle.datagrid.persistence.PersistentStore

extents

public long[] extents()

Specified by:

extents in interface com.oracle.datagrid.persistence.PersistentStore

load

public java.lang.Object load(long lExtentId,
                             java.lang.Object key)

Specified by:

load in interface com.oracle.datagrid.persistence.PersistentStore

store

public void store(long lExtentId,
                  java.lang.Object key,
                  java.lang.Object value,
                  java.lang.Object oToken)

Specified by:

store in interface com.oracle.datagrid.persistence.PersistentStore

erase

public void erase(long lExtentId,
                  java.lang.Object key,
                  java.lang.Object oToken)

Specified by:

erase in interface com.oracle.datagrid.persistence.PersistentStore

iterate

public void iterate(com.oracle.datagrid.persistence.PersistentStore.Visitor visitor)

Specified by:

iterate in interface com.oracle.datagrid.persistence.PersistentStore

begin

public java.lang.Object begin()

Specified by:

begin in interface com.oracle.datagrid.persistence.PersistentStore

begin

public java.lang.Object begin(com.oracle.common.base.Collector collector,
                              java.lang.Object oReceipt)

Specified by:

begin in interface com.oracle.datagrid.persistence.PersistentStore

commit

public void commit(java.lang.Object oToken)

Specified by:

commit in interface com.oracle.datagrid.persistence.PersistentStore

abort

public void abort(java.lang.Object oToken)

Specified by:

abort in interface com.oracle.datagrid.persistence.PersistentStore

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