org.apache.jackrabbit.oak.spi.xml

Class ReferenceChangeTracker

java.lang.Object

org.apache.jackrabbit.oak.spi.xml.ReferenceChangeTracker

public class ReferenceChangeTracker
extends java.lang.Object

Helper class used to keep track of uuid mappings (e.g. if the uuid of an imported or copied node is mapped to a new uuid) and processed (e.g. imported or copied) reference properties that might need to be adjusted depending on the UUID mapping resulting from the import.

See Also:

ImportUUIDBehavior

Constructor Summary

Constructors

Constructor and Description
ReferenceChangeTracker()

Method Summary

Modifier and Type	Method and Description
void	clear() Resets all internal state.
@Nullable java.lang.String	get(@NotNull java.lang.String oldUUID) Returns the new node id to which oldUUID has been mapped or null if no such mapping exists.
@NotNull java.util.Iterator<java.lang.Object>	getProcessedReferences() Returns an iterator over all processed reference properties.
void	processedReference(@NotNull java.lang.Object refProp) Store the given reference property for later retrieval using getProcessedReferences().
void	put(@NotNull java.lang.String oldUUID, @NotNull java.lang.String newUUID) Store the given id mapping for later lookup using get(String).
boolean	removeReferences(java.util.List<java.lang.Object> processedReferences) Remove the given references that have already been processed from the references list.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReferenceChangeTracker

public ReferenceChangeTracker()

Method Detail

get

@Nullable
public @Nullable java.lang.String get(@NotNull
                                                @NotNull java.lang.String oldUUID)

Returns the new node id to which oldUUID has been mapped or null if no such mapping exists.

Parameters:

oldUUID - old node id

Returns:

mapped new id or null if no such mapping exists

See Also:

put(String, String)

put

public void put(@NotNull
                @NotNull java.lang.String oldUUID,
                @NotNull
                @NotNull java.lang.String newUUID)

Store the given id mapping for later lookup using get(String).

Parameters:

oldUUID - old node id

newUUID - new node id

clear

public void clear()

Resets all internal state.

processedReference

public void processedReference(@NotNull
                               @NotNull java.lang.Object refProp)

Store the given reference property for later retrieval using getProcessedReferences().

Parameters:

refProp - reference property

getProcessedReferences

@NotNull
public @NotNull java.util.Iterator<java.lang.Object> getProcessedReferences()

Returns an iterator over all processed reference properties.

Returns:

an iterator over all processed reference properties

See Also:

processedReference(Object)

removeReferences

public boolean removeReferences(java.util.List<java.lang.Object> processedReferences)

Remove the given references that have already been processed from the references list.

Parameters:

processedReferences - List of processed references to be removed.

Returns:

true if the internal list of references changed.