com.neurosys.modules.etl

Class ExistingProductLookup<T extends Product>

java.lang.Object

com.neurosys.etl.common.ExistingEntityMergeTransformer<T>

com.neurosys.etl.common.ExistingEntityLookup<T>

com.neurosys.modules.etl.ExistingProductLookup<T>

Type Parameters:

T - extends Product

All Implemented Interfaces:

Lookup, ModeAware, org.apache.commons.collections.Transformer

Direct Known Subclasses:

ExistingProductLookup

public class ExistingProductLookup<T extends Product>
extends ExistingEntityLookup<T>

Check to see if a Product already exists, and if so load it based on various other settings provided by this class.
The passed entity is the Query object, required to have the fields filled required for identification to fetch complete object from Lookup TODO: Add unit test case

Author:

Arjun Dhar

Field Summary

Fields

Modifier and Type	Field and Description
protected ProductService<T>	service

Fields inherited from class com.neurosys.etl.common.ExistingEntityLookup

mode, postponseLookup

Fields inherited from class com.neurosys.etl.common.ExistingEntityMergeTransformer

customMergeActions, fieldNamesToMerge, ignoreNullsForPrimitiveTypes, immutableFieldNames, mergeFieldMode, typesRequireDeepCopy

Constructor Summary

Constructors

Constructor and Description
ExistingProductLookup()
ExistingProductLookup(ExistingEntityMergeTransformer t)

Method Summary

Modifier and Type	Method and Description
protected T	getEntity(T in) Core method to identify and fetch the record that matches the in record TODO: Add test case to ensure return type is exactly same as input type
protected T	getNewProduct()
ProductService<T>	getService()
void	setService(ProductService<T> service)
protected Object	treatNewEntity(Object newObject, Stack parents) During the process of Merge/Copy if a new Object is being set it may need to be additionally treated. Like persist on database etc before its set in the main Entity.

Methods inherited from class com.neurosys.etl.common.ExistingEntityLookup

getMode, getModesSupported, isPostponseLookup, setMode, setPostponseLookup, transform

Methods inherited from class com.neurosys.etl.common.ExistingEntityMergeTransformer

copy, copySpecificTypes, getClosestParent, getCustomMergeAction, getCustomMergeActions, getFieldNamesToMerge, getIdentityFieldNames, getIdFieldsForClass, getImmutableFieldNames, getImmutableFieldsForClass, getTypesRequireDeepCopy, isIgnoreNullsForPrimitiveTypes, isMergeFieldMode, isMutable, isMutablePrimitive, isValidOrPrimitiveFieldType, mergeFields, requiredDeepCopy, setCustomMergeActions, setFieldNamesToMerge, setIdentityFieldNames, setIgnoreNullsForPrimitiveTypes, setImmutableFieldNames, setMergeFieldMode, setTypesRequireDeepCopy

Methods inherited from class java.lang.Object

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

Field Detail

service

protected ProductService<T extends Product> service

Constructor Detail

ExistingProductLookup

public ExistingProductLookup()

ExistingProductLookup

public ExistingProductLookup(ExistingEntityMergeTransformer t)

Method Detail

treatNewEntity

protected Object treatNewEntity(Object newObject,
                                Stack parents)

Description copied from class: ExistingEntityMergeTransformer

During the process of Merge/Copy if a new Object is being set it may need to be additionally treated.
Like persist on database etc before its set in the main Entity.

Overrides:

treatNewEntity in class ExistingEntityMergeTransformer<T extends Product>

Parameters:

newObject - as Object to be treated that is replacing a null value in the Existing entity

parents - as a Stack of parents; 0th being root entity and last being immediate parent. Parents are useful as we recurse down and need a reference to a parent entity

Returns:

Object as treated object

getNewProduct

protected T getNewProduct()

getEntity

protected T getEntity(T in)
               throws Exception

Core method to identify and fetch the record that matches the in record TODO: Add test case to ensure return type is exactly same as input type

Specified by:

getEntity in class ExistingEntityLookup<T extends Product>

Parameters:

in -

Returns:

Throws:

Exception

getService

public ProductService<T> getService()

setService

public void setService(ProductService<T> service)