com.haulmont.cuba.core.app

Class EntityDiffManager

java.lang.Object

com.haulmont.cuba.core.app.EntityDiffManager

@Component(value="cuba_EntityDiffManager")
public class EntityDiffManager
extends java.lang.Object

Diff algorithm for Entities.

Field Summary

Fields

Modifier and Type	Field and Description
protected DynamicAttributesManagerAPI	dynamicAttributesManagerAPI
protected ExtendedEntities	extendedEntities
protected Metadata	metadata
protected MetadataTools	metadataTools
protected EntitySnapshotAPI	snapshotAPI

Constructor Summary

Constructors

Constructor and Description
EntityDiffManager()

Method Summary

Modifier and Type	Method and Description
protected EntityPropertyDiff	generateClassDiffFor(java.lang.Object diffObject, java.lang.Object firstValue, java.lang.Object secondValue, ViewProperty viewProperty, MetaProperty metaProperty, java.util.Stack<java.lang.Object> diffBranch) Generate class difference for selected not null object
protected EntityPropertyDiff	getClassDiff(java.lang.Object firstValue, java.lang.Object secondValue, ViewProperty viewProperty, MetaProperty metaProperty, java.util.Stack<java.lang.Object> diffBranch)
protected EntityPropertyDiff	getCollectionDiff(java.lang.Object firstValue, java.lang.Object secondValue, ViewProperty viewProperty, MetaProperty metaProperty, java.util.Stack<java.lang.Object> diffBranch)
EntityDiff	getDifference(EntitySnapshot first, EntitySnapshot second)
protected EntityDiff	getDifferenceByView(EntitySnapshot first, EntitySnapshot second, View diffView)
protected EntityPropertyDiff	getDynamicAttributeCollectionDiff(java.lang.Object firstValue, java.lang.Object secondValue, MetaProperty metaProperty)
protected EntityPropertyDiff	getDynamicAttributeDifference(java.lang.Object firstValue, java.lang.Object secondValue, MetaProperty metaProperty, CategoryAttribute categoryAttribute)
protected EntityPropertyDiff	getPropertyDifference(java.lang.Object firstValue, java.lang.Object secondValue, MetaProperty metaProperty, ViewProperty viewProperty, java.util.Stack<java.lang.Object> diffBranch) Return difference between property values
protected java.util.List<EntityPropertyDiff>	getPropertyDiffs(View diffView, Entity firstEntity, Entity secondEntity, java.util.Stack<java.lang.Object> diffBranch) Get diffs for entity properties
protected java.lang.Object	getPropertyValue(Entity entity, MetaPropertyPath propertyPath)
protected Entity	getRelatedItem(java.util.Collection collection, Entity entity)

Methods inherited from class java.lang.Object

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

Field Detail

snapshotAPI

@Inject
protected EntitySnapshotAPI snapshotAPI

metadataTools

@Inject
protected MetadataTools metadataTools

extendedEntities

@Inject
protected ExtendedEntities extendedEntities

metadata

@Inject
protected Metadata metadata

dynamicAttributesManagerAPI

@Inject
protected DynamicAttributesManagerAPI dynamicAttributesManagerAPI

Constructor Detail

EntityDiffManager

public EntityDiffManager()

Method Detail

getDifference

public EntityDiff getDifference(@Nullable
                                EntitySnapshot first,
                                EntitySnapshot second)

getDifferenceByView

protected EntityDiff getDifferenceByView(EntitySnapshot first,
                                         EntitySnapshot second,
                                         View diffView)

getPropertyDiffs

protected java.util.List<EntityPropertyDiff> getPropertyDiffs(View diffView,
                                                              Entity firstEntity,
                                                              Entity secondEntity,
                                                              java.util.Stack<java.lang.Object> diffBranch)

Get diffs for entity properties

Parameters:

diffView - View

firstEntity - First entity

secondEntity - Second entity

diffBranch - Diff branch

Returns:

Diff list

getPropertyDifference

protected EntityPropertyDiff getPropertyDifference(java.lang.Object firstValue,
                                                   java.lang.Object secondValue,
                                                   MetaProperty metaProperty,
                                                   ViewProperty viewProperty,
                                                   java.util.Stack<java.lang.Object> diffBranch)

Return difference between property values

Parameters:

firstValue - First value

secondValue - Second value

metaProperty - Meta Property

viewProperty - View property

diffBranch - Branch with passed diffs

Returns:

Diff

getClassDiff

protected EntityPropertyDiff getClassDiff(@Nullable
                                          java.lang.Object firstValue,
                                          @Nullable
                                          java.lang.Object secondValue,
                                          ViewProperty viewProperty,
                                          MetaProperty metaProperty,
                                          java.util.Stack<java.lang.Object> diffBranch)

generateClassDiffFor

protected EntityPropertyDiff generateClassDiffFor(java.lang.Object diffObject,
                                                  @Nullable
                                                  java.lang.Object firstValue,
                                                  @Nullable
                                                  java.lang.Object secondValue,
                                                  ViewProperty viewProperty,
                                                  MetaProperty metaProperty,
                                                  java.util.Stack<java.lang.Object> diffBranch)

Generate class difference for selected not null object

Parameters:

diffObject - Object

firstValue - First value

secondValue - Second value

viewProperty - View property

metaProperty - Meta property

diffBranch - Diff branch

Returns:

Property difference

getCollectionDiff

protected EntityPropertyDiff getCollectionDiff(java.lang.Object firstValue,
                                               java.lang.Object secondValue,
                                               ViewProperty viewProperty,
                                               MetaProperty metaProperty,
                                               java.util.Stack<java.lang.Object> diffBranch)

getDynamicAttributeDifference

protected EntityPropertyDiff getDynamicAttributeDifference(java.lang.Object firstValue,
                                                           java.lang.Object secondValue,
                                                           MetaProperty metaProperty,
                                                           CategoryAttribute categoryAttribute)

getDynamicAttributeCollectionDiff

protected EntityPropertyDiff getDynamicAttributeCollectionDiff(java.lang.Object firstValue,
                                                               java.lang.Object secondValue,
                                                               MetaProperty metaProperty)

getRelatedItem

protected Entity getRelatedItem(java.util.Collection collection,
                                Entity entity)

getPropertyValue

protected java.lang.Object getPropertyValue(Entity entity,
                                            MetaPropertyPath propertyPath)