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## org.modeshape.connector.disk
Class DiskWorkspace

    java.lang.Object
      org.modeshape.graph.connector.base.MapWorkspace<DiskNode>
          org.modeshape.connector.disk.DiskWorkspace

All Implemented Interfaces:
  NodeCachePolicyChangedListener<UUID,DiskNode>, NodeCachingWorkspace<UUID,DiskNode>, Workspace

    public class DiskWorkspace

extends MapWorkspace<DiskNode>
implements NodeCachingWorkspace<UUID,DiskNode>

Workspace implementation for disk connector

Field Summary

Fields inherited from class org.modeshape.graph.connector.base.MapWorkspace
`name, rootNodeUuid`

Constructor Summary
`DiskWorkspace(String name, File workspaceRoot, DiskNode rootNode, DiskRepository repository)` Create a new workspace instance.
`DiskWorkspace(String name, File workspaceRoot, DiskWorkspace originalToClone)` Create a new workspace instance.

Method Summary
`void` | `cachePolicyChanged(NodeCachePolicyChangedEvent<UUID,DiskNode> event)` Notifies this workspace that the cache policy has changed and the cache should be reset.
`void` | `destroy()`
`NodeCache<UUID,DiskNode>` | `getCache()`
`DiskNode` | `getNode(UUID uuid)` Get the node with the supplied UUID.
`DiskNode` | `putNode(DiskNode node)` Add the node into this workspace's map, overwriting any previous record of the node
`void` | `removeAll()` Remove all of the nodes in this workspace, and make sure there is a single root node with no properties and no children.
`DiskNode` | `removeNode(UUID uuid)` Remove and return the node with the supplied UUID.
`void` | `shutdown()` This method shuts down the workspace and makes it no longer usable.

Methods inherited from class org.modeshape.graph.connector.base.MapWorkspace
`getName, getRootNode, getRootNodeUuid, hasNodeCache, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### DiskWorkspace

    public DiskWorkspace(String name,
                         File workspaceRoot,
                         DiskNode rootNode,
                         DiskRepository repository)

  Create a new workspace instance.

  Parameters:
    `name` - the name of the workspace; may not be null
    `workspaceRoot` - a pointer to the root of the workspace on disk; may not be null
    `rootNode` - the root node for the workspace; may not be null
    `repository` - the repository to which this workspace belongs; may not be null

### DiskWorkspace

    public DiskWorkspace(String name,
                         File workspaceRoot,
                         DiskWorkspace originalToClone)

  Create a new workspace instance.

  Parameters:
    `name` - the name of the workspace
    `workspaceRoot` - a pointer to the root of the workspace on disk
    `originalToClone` - the workspace that is to be cloned

Method Detail

### destroy

    public void destroy()

### shutdown

    public void shutdown()

  This method shuts down the workspace and makes it no longer usable. This method should also only be called once.

### cachePolicyChanged

    public void cachePolicyChanged(NodeCachePolicyChangedEvent<UUID,DiskNode> event)

  Notifies this workspace that the cache policy has changed and the cache should be reset.

  Specified by:
    `cachePolicyChanged` in interface `NodeCachePolicyChangedListener<UUID,DiskNode>`
  Parameters:
    `event` - the cache policy changed event; may not be null

### getCache

    public NodeCache<UUID,DiskNode> getCache()

  Specified by:
    `getCache` in interface `NodeCachingWorkspace<UUID,DiskNode>`

### getNode

    public DiskNode getNode(UUID uuid)

  Description copied from class: `MapWorkspace`
  Get the node with the supplied UUID.

  Specified by:
    `getNode` in class `MapWorkspace<DiskNode>`
  Parameters:
    `uuid` - the UUID of the node
  Returns:
    the node state as known by this workspace, or null if no such node exists in this workspace

### putNode

    public DiskNode putNode(DiskNode node)

  Description copied from class: `MapWorkspace`
  Add the node into this workspace's map, overwriting any previous record of the node

  Specified by:
    `putNode` in class `MapWorkspace<DiskNode>`
  Parameters:
    `node` - the new node; may not be null
  Returns:
    the previous node state, or null if the node is new to this workspace

### removeAll

    public void removeAll()

  Description copied from class: `MapWorkspace`
  Remove all of the nodes in this workspace, and make sure there is a single root node with no properties and no children.

  Specified by:
    `removeAll` in class `MapWorkspace<DiskNode>`

### removeNode

    public DiskNode removeNode(UUID uuid)

  Description copied from class: `MapWorkspace`
  Remove and return the node with the supplied UUID. This method will never remove the root node.

  Specified by:
    `removeNode` in class `MapWorkspace<DiskNode>`
  Parameters:
    `uuid` - the UUID of the node to be removed
  Returns:
    the node that was removed, or null if the supplied UUID is the root node's UUID or if this workspace does not contain a node with the supplied UUID

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