de.hybris.platform.servicelayer.internal.model.impl

Class ItemModelCloneCreator

java.lang.Object

de.hybris.platform.servicelayer.internal.model.impl.ItemModelCloneCreator

public class ItemModelCloneCreator
extends Object

This class creates a deep copy of the given original model by creating a new model instance of the same type, reading all attributes values and stores them into the new instance.

The only exception are part-of attribute values which consists of other models - these are cloned themselves and then used as attribute value in the new model instance.

By providing a ItemModelCloneCreator.CopyContext the caller may even add some preset values or define which types are being used when creating copied of part-of models.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ItemModelCloneCreator.CannotCloneException Clone error class.
protected static class	ItemModelCloneCreator.CannotTranslateException Thrown when copy could not be done
static class	ItemModelCloneCreator.CopyAttribute A wrapper for each item attribute to be stored while creating a copy.
static class	ItemModelCloneCreator.CopyContext
static class	ItemModelCloneCreator.CopyItem Wrapper for a single (partOf) item to be copied.

Constructor Summary

Constructors

Constructor and Description
ItemModelCloneCreator(ModelService modelService, I18NService i18nService, TypeService typeService) Creates and initialize ItemModelCloneCreator

Method Summary

Modifier and Type	Method and Description
protected void	consume(Collection<ItemModelCloneCreator.CopyAttribute> readyAttributes)
ItemModel	copy(ComposedType targetType, ItemModel original, ItemModelCloneCreator.CopyContext ctx) Deprecated. use copy(ComposedTypeModel, ItemModel, CopyContext)
ItemModel	copy(ComposedTypeModel targetType, ItemModel original, ItemModelCloneCreator.CopyContext ctx) Creates a copy of the given item.
ItemModel	copy(ComposedTypeModel targetType, ItemModel original, ModelCloningContext ctx) Creates a copy of the given item.
ItemModel	copy(ItemModel original) Creates a copy of the given item.
ItemModel	copy(ItemModel original, ItemModelCloneCreator.CopyContext ctx) Creates a copy of the given item.
ItemModel	copy(ItemModel original, ModelCloningContext cloningContext) Creates a copy of the given item.
List<ItemModel>	copyAll(ComposedTypeModel targetType, List<ItemModel> originals, ItemModelCloneCreator.CopyContext ctx) Creates copies of all specified items using a single copy context.
List<ItemModel>	copyAll(List<ItemModel> originals, ItemModelCloneCreator.CopyContext ctx) Creates copies of all specified items using a single copy context.
void	copyAttributes(ItemModel source, ItemModel target, Set<String> attributes) Copies only given set of attributes from the source to the target model.
protected void	findPartOfItems(Object originalValue, ItemModelCloneCreator.CopyContext ctx) makes copy of partof items
protected boolean	isEmpty(Object value) Return true if value is null or value is empty collection/map.
protected ItemModelCloneCreator.CopyItem	prepareCopy(ComposedType targetType, ItemModel original, ItemModelCloneCreator.CopyContext ctx) Deprecated. use prepareCopy(ComposedTypeModel, ItemModel, CopyContext)
protected ItemModelCloneCreator.CopyItem	prepareCopy(ComposedTypeModel targetType, ItemModel original, ItemModelCloneCreator.CopyContext ctx) prepare copy of original.
protected boolean	process(ItemModelCloneCreator.CopyItem item, ItemModelCloneCreator.CopyContext ctx)
protected void	readAttributes(ItemModelCloneCreator.CopyItem item, ItemModelCloneCreator.CopyContext ctx)
protected void	setAllAttributes(ItemModel copy, Collection<ItemModelCloneCreator.CopyAttribute> attributes)
protected Object	translateAttributeValue(ItemModelCloneCreator.CopyAttribute attr, Object originalValue, ItemModelCloneCreator.CopyContext ctx)
protected Collection<ItemModelCloneCreator.CopyAttribute>	translatePendingAttributes(ItemModelCloneCreator.CopyItem item, ItemModelCloneCreator.CopyContext ctx)

Methods inherited from class java.lang.Object

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

Constructor Detail

ItemModelCloneCreator

public ItemModelCloneCreator(ModelService modelService,
                             I18NService i18nService,
                             TypeService typeService)

Creates and initialize ItemModelCloneCreator

Method Detail

copy

public ItemModel copy(ItemModel original)
               throws ItemModelCloneCreator.CannotCloneException

Creates a copy of the given item.

Parameters:

original - the item to copy

Throws:

ItemModelCloneCreator.CannotCloneException

copy

public ItemModel copy(ItemModel original,
                      ModelCloningContext cloningContext)
               throws ItemModelCloneCreator.CannotCloneException

Creates a copy of the given item. Optionally cloning process can be influenced by providing a cloning context instance.

Parameters:

original - the item to copy

cloningContext - the cloning context to manage cloning process

Throws:

ItemModelCloneCreator.CannotCloneException

copy

public ItemModel copy(ItemModel original,
                      ItemModelCloneCreator.CopyContext ctx)
               throws ItemModelCloneCreator.CannotCloneException

Creates a copy of the given item.

Parameters:

original - the item to copy

ctx - the copy context

Throws:

ItemModelCloneCreator.CannotCloneException

copy

@Deprecated
public ItemModel copy(ComposedType targetType,
                                  ItemModel original,
                                  ItemModelCloneCreator.CopyContext ctx)
                           throws ItemModelCloneCreator.CannotCloneException

Deprecated. use copy(ComposedTypeModel, ItemModel, CopyContext)

Throws:

ItemModelCloneCreator.CannotCloneException

copy

public ItemModel copy(ComposedTypeModel targetType,
                      ItemModel original,
                      ModelCloningContext ctx)
               throws ItemModelCloneCreator.CannotCloneException

Creates a copy of the given item. Allows to specify a type for the new copy to be created.

Parameters:

targetType - the type of copy to create (optional)

original - the item to copy

ctx - the copy context

Throws:

ItemModelCloneCreator.CannotCloneException

copy

public ItemModel copy(ComposedTypeModel targetType,
                      ItemModel original,
                      ItemModelCloneCreator.CopyContext ctx)
               throws ItemModelCloneCreator.CannotCloneException

Creates a copy of the given item. Allows to specify a type for the new copy to be created.

Parameters:

targetType - the type of copy to create (optional)

original - the item to copy

ctx - the copy context

Throws:

ItemModelCloneCreator.CannotCloneException

copyAll

public List<ItemModel> copyAll(List<ItemModel> originals,
                               ItemModelCloneCreator.CopyContext ctx)
                        throws ItemModelCloneCreator.CannotCloneException

Creates copies of all specified items using a single copy context. Therefore cross references between source items are replaces by references to the newly created copies.

Parameters:

originals - the items to copy

ctx - the copy context

Returns:

the list of copies created

Throws:

ItemModelCloneCreator.CannotCloneException - in case not all items could be copied completely, e.g. due to cyclic dependencies

copyAll

public List<ItemModel> copyAll(ComposedTypeModel targetType,
                               List<ItemModel> originals,
                               ItemModelCloneCreator.CopyContext ctx)
                        throws ItemModelCloneCreator.CannotCloneException

Creates copies of all specified items using a single copy context. Therefore cross references between source items are replaces by references to the newly created copies.

Parameters:

originals - the items to copy

ctx - the copy context

targetType - ComposedTypeModel of the clones

Returns:

the list of copies created

Throws:

ItemModelCloneCreator.CannotCloneException - in case not all items could be copied completely, e.g. due to cyclic dependencies

copyAttributes

public void copyAttributes(ItemModel source,
                           ItemModel target,
                           Set<String> attributes)

Copies only given set of attributes from the source to the target model.

Parameters:

source - model from which attribute values are to be copied

target - model to copy attribute values to

readAttributes

protected void readAttributes(ItemModelCloneCreator.CopyItem item,
                              ItemModelCloneCreator.CopyContext ctx)

isEmpty

protected boolean isEmpty(Object value)

Return true if value is null or value is empty collection/map.

prepareCopy

@Deprecated
protected ItemModelCloneCreator.CopyItem prepareCopy(ComposedType targetType,
                                                                 ItemModel original,
                                                                 ItemModelCloneCreator.CopyContext ctx)

Deprecated. use prepareCopy(ComposedTypeModel, ItemModel, CopyContext)

prepareCopy

protected ItemModelCloneCreator.CopyItem prepareCopy(ComposedTypeModel targetType,
                                                     ItemModel original,
                                                     ItemModelCloneCreator.CopyContext ctx)

prepare copy of original.

findPartOfItems

protected void findPartOfItems(Object originalValue,
                               ItemModelCloneCreator.CopyContext ctx)

makes copy of partof items

process

protected boolean process(ItemModelCloneCreator.CopyItem item,
                          ItemModelCloneCreator.CopyContext ctx)

setAllAttributes

protected void setAllAttributes(ItemModel copy,
                                Collection<ItemModelCloneCreator.CopyAttribute> attributes)

consume

protected void consume(Collection<ItemModelCloneCreator.CopyAttribute> readyAttributes)

translatePendingAttributes

protected Collection<ItemModelCloneCreator.CopyAttribute> translatePendingAttributes(ItemModelCloneCreator.CopyItem item,
                                                                                     ItemModelCloneCreator.CopyContext ctx)

translateAttributeValue

protected Object translateAttributeValue(ItemModelCloneCreator.CopyAttribute attr,
                                         Object originalValue,
                                         ItemModelCloneCreator.CopyContext ctx)
                                  throws ItemModelCloneCreator.CannotTranslateException

Throws:

ItemModelCloneCreator.CannotTranslateException