Package org.apache.jackrabbit.oak.plugins.index.importer

Class AsyncLaneSwitcher

java.lang.Object

org.apache.jackrabbit.oak.plugins.index.importer.AsyncLaneSwitcher

public class AsyncLaneSwitcher
extends Object

Coordinates the switching of indexing lane for indexes which are to be imported. Its support idempotent operation i.e. if an indexer is switched to temp lane then a repeat of same operation would be no op.

Constructor Summary

Constructors

Constructor	Description
AsyncLaneSwitcher()

Method Summary

Modifier and Type	Method	Description
static String	getTempLaneName(String laneName)
static boolean	isNone(PropertyState previousAsync)
static void	revertSwitch(NodeBuilder idxBuilder, String indexPath)
static void	switchLane(NodeBuilder idxBuilder, String laneName)	Make a copy of current async value and replace it with one required for offline reindexing The switch lane operation can be safely repeated and if the index lane is found to be switched already it would not be modified

Methods inherited from class java.lang.Object

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

Constructor Detail

AsyncLaneSwitcher

public AsyncLaneSwitcher()

Method Detail

switchLane

public static void switchLane(NodeBuilder idxBuilder,
                              String laneName)

Make a copy of current async value and replace it with one required for offline reindexing The switch lane operation can be safely repeated and if the index lane is found to be switched already it would not be modified

getTempLaneName

public static String getTempLaneName(String laneName)

revertSwitch

public static void revertSwitch(NodeBuilder idxBuilder,
                                String indexPath)

isNone

public static boolean isNone(PropertyState previousAsync)