Package com.sap.cds.impl.diff

Class DiffProcessor

java.lang.Object

com.sap.cds.impl.diff.DiffProcessor

All Implemented Interfaces:

CdsDiffProcessor

@Beta
public class DiffProcessor
extends Object
implements CdsDiffProcessor

Nested Class Summary

Nested classes/interfaces inherited from interface com.sap.cds.impl.diff.CdsDiffProcessor

CdsDiffProcessor.DiffVisitor

Method Summary

Modifier and Type	Method	Description
CdsDiffProcessor	add(CdsDataProcessor.Filter filter, CdsDiffProcessor.DiffVisitor diffVisitor)	Adds a CdsDiffProcessor.DiffVisitor, which is notified about the differences in elements that match a given filter.
static DiffProcessor	create()
DiffProcessor	forDeepTraversal()
void	process(Iterable<? extends Map<String,Object>> newImages, Iterable<? extends Map<String,Object>> oldImages, CdsStructuredType type)	Runs the CdsDiffProcessor on the new and old images of the data represented as a collection of entries or an instances of the Result
void	process(Map<String,Object> newImage, Map<String,Object> oldImage, CdsStructuredType type)	Runs the CdsDiffProcessor on the new and old image of the data.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.sap.cds.impl.diff.CdsDiffProcessor

add

Method Details

create

public static DiffProcessor create()

forDeepTraversal

public DiffProcessor forDeepTraversal()

add

public CdsDiffProcessor add(CdsDataProcessor.Filter filter,
 CdsDiffProcessor.DiffVisitor diffVisitor)

Description copied from interface: CdsDiffProcessor

Adds a CdsDiffProcessor.DiffVisitor, which is notified about the differences in elements that match a given filter.

Specified by:

add in interface CdsDiffProcessor

Parameters:

filter - the filter predicate (see CdsDataProcessor.Filter)

diffVisitor - the differ that will called notified about changes

Returns:

this instance of the CdsDiffProcessor

process

public void process(Map<String,Object> newImage,
 Map<String,Object> oldImage,
 CdsStructuredType type)

Description copied from interface: CdsDiffProcessor

Runs the CdsDiffProcessor on the new and old image of the data.

Specified by:

process in interface CdsDiffProcessor

Parameters:

newImage - new image of the data

oldImage - old image of the data

type - the type of the data

process

public void process(Iterable<? extends Map<String,Object>> newImages,
 Iterable<? extends Map<String,Object>> oldImages,
 CdsStructuredType type)

Description copied from interface: CdsDiffProcessor

Runs the CdsDiffProcessor on the new and old images of the data represented as a collection of entries or an instances of the Result

Specified by:

process in interface CdsDiffProcessor

Parameters:

newImages - sequence of the new images of the data

oldImages - sequence of the old images of the data

type - the type of the data