Package org.apache.jackrabbit.oak.index.merge

Class IndexDefMergerUtils

java.lang.Object

org.apache.jackrabbit.oak.index.merge.IndexDefMergerUtils

public class IndexDefMergerUtils
extends Object

Utility that allows to merge index definitions.

Constructor Summary

Constructors

Constructor	Description
IndexDefMergerUtils()

Method Summary

Modifier and Type	Method	Description
static boolean	equalStringValues(String a, String b)
static String	getStringOrStringFromSingleValueArray(String value)
static TreeSet<String>	getStringSet(String value)
static JsonObject	merge(String path, JsonObject ancestor, String customName, JsonObject custom, JsonObject product, String productName)	Merge index definition changes.
static void	merge(JsonObject newIndexes, JsonObject allIndexes)	For indexes that were modified both by the customer and in the product, merge the changes, and create a new index.
static String	tryMergeSets(String ancestor, String custom, String product)

Methods inherited from class java.lang.Object

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

Constructor Details

IndexDefMergerUtils

public IndexDefMergerUtils()

Method Details

merge

public static JsonObject merge(String path,
 JsonObject ancestor,
 String customName,
 JsonObject custom,
 JsonObject product,
 String productName)

Merge index definition changes.

Parameters:

path - the path of the change itself (e.g. /oak:index/lucene-1/indexRules/acme)

ancestor - the common ancestor (the old product index, e.g. lucene)

customName - the name of the node of the customized index (e.g. /oak:index/lucene-1-custom-1)

custom - the latest customized version (e.g. lucene-1-custom-1)

product - the latest product index (e.g. lucene-2)

productName - the name of the node of the latest product index (e.g. /oak:index/lucene-2)

Returns:

the merged index definition (e.g. lucene-2-custom-1)

tryMergeSets

public static String tryMergeSets(String ancestor,
 String custom,
 String product)

equalStringValues

public static boolean equalStringValues(String a,
 String b)

getStringSet

public static TreeSet<String> getStringSet(String value)

getStringOrStringFromSingleValueArray

public static String getStringOrStringFromSingleValueArray(String value)

merge

public static void merge(JsonObject newIndexes,
 JsonObject allIndexes)

For indexes that were modified both by the customer and in the product, merge the changes, and create a new index. The new index (if any) is stored in the "newIndexes" object.

Parameters:

newIndexes - the new indexes

allIndexes - all index definitions (including the new ones)