org.apache.jackrabbit.oak.plugins.atomic

Class AtomicCounterEditorProvider

java.lang.Object

org.apache.jackrabbit.oak.plugins.atomic.AtomicCounterEditorProvider

All Implemented Interfaces:

EditorProvider

public class AtomicCounterEditorProvider
extends java.lang.Object
implements EditorProvider

Provide an instance of AtomicCounterEditor. See AtomicCounterEditor for behavioural details.

Constructor Summary

Constructors

Constructor and Description
AtomicCounterEditorProvider() OSGi oriented constructor where all the required dependencies will be taken care of.
AtomicCounterEditorProvider(<any> clusterInfo, <any> executor, <any> store, <any> whiteboard) Plain Java oriented constructor.

Method Summary

Modifier and Type	Method and Description
void	activate(org.osgi.framework.BundleContext context)
void	deactivate()
Editor	getRootEditor(NodeState before, NodeState after, NodeBuilder builder, CommitInfo info) Returns an editor for processing changes between the given two states.

Methods inherited from class java.lang.Object

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

Constructor Detail

AtomicCounterEditorProvider

public AtomicCounterEditorProvider()

OSGi oriented constructor where all the required dependencies will be taken care of.

AtomicCounterEditorProvider

public AtomicCounterEditorProvider(<any> clusterInfo,
                                   <any> executor,
                                   <any> store,
                                   <any> whiteboard)

Plain Java oriented constructor. Refer to AtomicCounterEditor#AtomicCounterEditor(NodeBuilder, String, ScheduledExecutorService, NodeStore) for constructions details of the actual editor.

Based on the use case this may need an already set of the constructor parameters during the repository construction. Please ensure they're registered before this provider is registered.

Parameters:

clusterInfo - cluster node information

executor - the executor for running asynchronously.

store - reference to the NodeStore.

whiteboard - the underlying board for picking up the registered CommitHook

Method Detail

activate

public void activate(org.osgi.framework.BundleContext context)

deactivate

public void deactivate()

getRootEditor

public Editor getRootEditor(NodeState before,
                            NodeState after,
                            NodeBuilder builder,
                            CommitInfo info)
                     throws CommitFailedException

Description copied from interface: EditorProvider

Returns an editor for processing changes between the given two states. Returns null if the changes don't require processing.

An implementation of this method should generally not compare the given before and after states, as the caller is expected to compare the states and invoke the respective callback methods on the Editor instance returned by this method. Instead the implementation can use the opportunity for other preparatory work.

Specified by:

getRootEditor in interface EditorProvider

Parameters:

before - original root state

after - modified root state

builder - node builder based on the after state

info - metadata associated with this commit

Returns:

editor for processing the changes, or null

Throws:

CommitFailedException - if processing failed