org.modeshape.graph.connector.inmemory
Class InMemoryRepository

java.lang.Object
  org.modeshape.graph.connector.map.MapRepository
      org.modeshape.graph.connector.inmemory.InMemoryRepository

@NotThreadSafe
public class InMemoryRepository
extends MapRepository

A specialized MapRepository that represents an in-memory repository.

Nested Class Summary

protected static class	InMemoryRepository.InMemoryNodeState
protected class	InMemoryRepository.Workspace

Field Summary

protected ReadWriteLock

lock

Fields inherited from class org.modeshape.graph.connector.map.MapRepository

rootNodeUuid

Constructor Summary

InMemoryRepository(String sourceName, UUID rootNodeUuid)

InMemoryRepository(String sourceName, UUID rootNodeUuid, String defaultWorkspaceName)

Method Summary

protected MapWorkspace	createWorkspace(ExecutionContext context, String name) Creates a new workspace with the given name containing only a root node.
protected ReadWriteLock	getLock()
protected void	releaseBackups()
protected void	restoreBackups()
MapRepositoryTransaction	startTransaction(boolean readonly) Begin a transaction, hinting whether the transaction will be used only to read the content.

Methods inherited from class org.modeshape.graph.connector.map.MapRepository

createWorkspace, createWorkspace, destroyWorkspace, getDefaultWorkspaceName, getRootNodeUuid, getSourceName, getWorkspace, getWorkspaceNames, initialize

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

lock

protected final ReadWriteLock lock

Constructor Detail

InMemoryRepository

public InMemoryRepository(String sourceName,
                          UUID rootNodeUuid)

InMemoryRepository

public InMemoryRepository(String sourceName,
                          UUID rootNodeUuid,
                          String defaultWorkspaceName)

Method Detail

createWorkspace

protected MapWorkspace createWorkspace(ExecutionContext context,
                                       String name)

Description copied from class: MapRepository

Creates a new workspace with the given name containing only a root node.

This method does NOT automatically add the newly created workspace to the workspace map or check to see if a workspace already exists in this repository with the same name.

Specified by:

createWorkspace in class MapRepository

Parameters:

context - the context in which the workspace is to be created

name - the name of the workspace

Returns:

the newly created workspace; may not be null

startTransaction

public MapRepositoryTransaction startTransaction(boolean readonly)

Begin a transaction, hinting whether the transaction will be used only to read the content. If this is called, then the transaction must be either committed or rolled back.

Specified by:

startTransaction in class MapRepository

Parameters:

readonly - true if the transaction will not modify any content, or false if changes are to be made

Returns:

the transaction; never null

See Also:

MapRepository.startTransaction(boolean)

getLock

protected ReadWriteLock getLock()

restoreBackups

protected void restoreBackups()

releaseBackups

protected void releaseBackups()