Package org.nuxeo.ecm.core.storage.mongodb

Class MongoDBConverter.UpdateBuilder

java.lang.Object

org.nuxeo.ecm.core.storage.mongodb.MongoDBConverter.UpdateBuilder

Enclosing class:

MongoDBConverter

public class MongoDBConverter.UpdateBuilder
extends Object

Update list builder to prevent several updates of the same field.

This happens if two operations act on two fields where one is a prefix of the other.

Example: Cannot update 'mylist.0.string' and 'mylist' at the same time (error 16837)

Since:

5.9.5

Field Summary

Fields

Modifier and Type	Field	Description
protected org.bson.Document	inc
protected Set<String>	keys
protected Set<String>	prefixKeys
protected org.bson.Document	pull
protected org.bson.Document	push
protected org.bson.Document	set
protected org.bson.Document	unset
protected org.bson.Document	update
protected List<org.bson.Document>	updates

Constructor Summary

Constructors

Constructor	Description
UpdateBuilder()

Method Summary

Modifier and Type	Method	Description
List<org.bson.Document>	build(State.StateDiff diff)
protected void	checkForConflict(String key)	Checks if the key conflicts with one of the previous keys.
protected boolean	conflictKeys(String key, List<String> subkeys)
protected List<String>	getPrefixKeys(String key)	return a list of parents key
protected void	newUpdate()
protected void	processDelta(Delta delta, String prefix)
protected void	processListDiff(State.ListDiff listDiff, String prefix)
protected void	processStateDiff(State.StateDiff diff, String prefix)
protected void	processValue(String name, Serializable value)
protected void	update(String op, String bsonKey, Object val)

Methods inherited from class java.lang.Object

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

Field Detail

set

protected final org.bson.Document set

unset

protected final org.bson.Document unset

push

protected final org.bson.Document push

pull

protected final org.bson.Document pull

inc

protected final org.bson.Document inc

updates

protected final List<org.bson.Document> updates

update

protected org.bson.Document update

prefixKeys

protected Set<String> prefixKeys

keys

protected Set<String> keys

Constructor Detail

UpdateBuilder

public UpdateBuilder()

Method Detail

build

public List<org.bson.Document> build(State.StateDiff diff)

processStateDiff

protected void processStateDiff(State.StateDiff diff,
                                String prefix)

processListDiff

protected void processListDiff(State.ListDiff listDiff,
                               String prefix)

processDelta

protected void processDelta(Delta delta,
                            String prefix)

processValue

protected void processValue(String name,
                            Serializable value)

newUpdate

protected void newUpdate()

update

protected void update(String op,
                      String bsonKey,
                      Object val)

checkForConflict

protected void checkForConflict(String key)

Checks if the key conflicts with one of the previous keys.

A conflict occurs if one key is equals to or is a prefix of the other.

conflictKeys

protected boolean conflictKeys(String key,
                               List<String> subkeys)

getPrefixKeys

protected List<String> getPrefixKeys(String key)

return a list of parents key

foo.0.bar -> [foo, foo.0, foo.0.bar]