org.apache.jackrabbit.oak.plugins.index

Class WhiteboardIndexEditorProvider

java.lang.Object

org.apache.jackrabbit.oak.spi.whiteboard.AbstractServiceTracker<IndexEditorProvider>

org.apache.jackrabbit.oak.plugins.index.WhiteboardIndexEditorProvider

All Implemented Interfaces:

IndexEditorProvider

public class WhiteboardIndexEditorProvider
extends AbstractServiceTracker<IndexEditorProvider>
implements IndexEditorProvider

Dynamic IndexEditorProvider based on the available whiteboard services.

Constructor Summary

Constructors

Constructor and Description
WhiteboardIndexEditorProvider()

Method Summary

Modifier and Type	Method and Description
Editor	getIndexEditor(@NotNull java.lang.String type, @NotNull NodeBuilder builder, @NotNull NodeState root, @NotNull IndexUpdateCallback callback) Each provider knows how to produce a certain type of index.

Methods inherited from class org.apache.jackrabbit.oak.spi.whiteboard.AbstractServiceTracker

start, stop

Methods inherited from class java.lang.Object

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

Constructor Detail

WhiteboardIndexEditorProvider

public WhiteboardIndexEditorProvider()

Method Detail

getIndexEditor

public Editor getIndexEditor(@NotNull
                             @NotNull java.lang.String type,
                             @NotNull
                             @NotNull NodeBuilder builder,
                             @NotNull
                             @NotNull NodeState root,
                             @NotNull
                             @NotNull IndexUpdateCallback callback)
                      throws CommitFailedException

Description copied from interface: IndexEditorProvider

Each provider knows how to produce a certain type of index. If the type param is of an unknown value, the provider is expected to return null.

The definition builder must points to the index definition node under which the indexer is expected to store the index content.

The callback instance may be of type ContextAwareCallback and that can be used to access IndexingContext

Specified by:

getIndexEditor in interface IndexEditorProvider

Parameters:

type - index type

builder - index definition node builder, used for updates

root - root node state, used for things like node type information

callback - used to register for index update notifications

Returns:

index update editor, or null if type is unknown

Throws:

CommitFailedException