com.orientechnologies.orient.core.storage.impl.local

Interface OFreezableStorageComponent

All Known Subinterfaces:

OLuceneIndexEngine

All Known Implementing Classes:

OAbstractPaginatedStorage, ODirectMemoryStorage, ODistributedStorage, OLocalPaginatedStorage, OLuceneFullTextIndexEngine, OLuceneGeoSpatialIndexEngine, OLuceneIndexEngineAbstract, OLuceneLegacySpatialIndexEngine, OLuceneSpatialIndexEngineAbstract, OLuceneSpatialIndexEngineDelegator

public interface OFreezableStorageComponent

Interface for storage components that support freeze/release operations.

Since:

1.5.1

Author:

Artem Orobets (enisher-at-gmail.com)

Method Summary

Modifier and Type	Method and Description
void	freeze(boolean throwException) After this method finished it's execution, all threads that are going to perform data modifications in storage should wait till release() method will be called.
void	release() After this method finished execution all threads that are waiting to perform data modifications in storage will be awaken and will be allowed to continue their execution.

Method Detail

freeze

void freeze(boolean throwException)

After this method finished it's execution, all threads that are going to perform data modifications in storage should wait till release() method will be called. This method will wait till all ongoing modifications will be finished.

Parameters:

throwException - If true OModificationOperationProhibitedException exception will be thrown on call of methods that requires storage modification. Otherwise other threads will wait for release() method call.

release

void release()

After this method finished execution all threads that are waiting to perform data modifications in storage will be awaken and will be allowed to continue their execution.