com.neurosys.etl.common.transformers

Class UsesIntermediateObjectImpl<CONTEXT>

java.lang.Object

com.neurosys.etl.common.transformers.UsesIntermediateObjectImpl<CONTEXT>

Type Parameters:

CONTEXT - as Context type. See ContextAware, getInterMediateResults()

All Implemented Interfaces:

ContextAware<CONTEXT>, UsesIntermediateObject<CONTEXT>, Serializable

Direct Known Subclasses:

EnsureAccessorExistsTransformer, EntityChainAccessTransformer, GetNewHierarcyLookup, MergeCols, MultiCategoryLookup, ObjectFieldValueTransformer, ProductNameTransformer, ThreadLocalTransformer, UsesIntermediateObjectWrapper

public abstract class UsesIntermediateObjectImpl<CONTEXT>
extends Object
implements UsesIntermediateObject<CONTEXT>

Basic implementation for UsesIntermediateObject

Author:

Arjun Dhar

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected CONTEXT	intermediateResults
protected Collection<String>	resultNamesUsed
protected Collection<String>	resultsThatAreOptional

Constructor Summary

Constructors

Constructor and Description
UsesIntermediateObjectImpl()

Method Summary

Modifier and Type	Method and Description
protected Object	determineInput(Object passedInput) A processor that uses an Intermediate Object will take that from the Map instead of the passed param, in all probability.
protected Object	getInputFromContext()
CONTEXT	getInterMediateResults()
Collection<String>	getResultNamesThatAreOptional() By default matching using UsesIntermediateObject.getResultNamesUsed() is strict.
Collection<String>	getResultNamesUsed() name(s) of the result variable used (optional & mandatory)
void	setIntermediateResults(CONTEXT intermediateResults) The value(s) to set for this Before the Operation is performed.
void	setResultNamesThatAreOptional(Collection<String> resultsThatAreOptional) By default matching using UsesIntermediateObject.getResultNamesUsed() is strict.
void	setResultNamesUsed(Collection<String> resultNamesUsed)

Methods inherited from class java.lang.Object

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

Field Detail

resultNamesUsed

protected Collection<String> resultNamesUsed

intermediateResults

protected CONTEXT intermediateResults

resultsThatAreOptional

protected Collection<String> resultsThatAreOptional

Constructor Detail

UsesIntermediateObjectImpl

public UsesIntermediateObjectImpl()

Method Detail

getResultNamesUsed

public Collection<String> getResultNamesUsed()

Description copied from interface: UsesIntermediateObject

name(s) of the result variable used (optional & mandatory)

Specified by:

getResultNamesUsed in interface UsesIntermediateObject<CONTEXT>

Returns:

Collection of String

setIntermediateResults

public void setIntermediateResults(CONTEXT intermediateResults)

Description copied from interface: UsesIntermediateObject

The value(s) to set for this Before the Operation is performed.

Specified by:

setIntermediateResults in interface UsesIntermediateObject<CONTEXT>

Parameters:

intermediateResults - - Map of keyName and Value

setResultNamesUsed

public void setResultNamesUsed(Collection<String> resultNamesUsed)

getInputFromContext

protected Object getInputFromContext()

determineInput

protected Object determineInput(Object passedInput)

A processor that uses an Intermediate Object will take that from the Map instead of the passed param, in all probability. So providing a base convenience method to determine the actual input for processing.

Parameters:

passedInput - as Object

Returns:

getInterMediateResults

public CONTEXT getInterMediateResults()

Specified by:

getInterMediateResults in interface UsesIntermediateObject<CONTEXT>

getResultNamesThatAreOptional

public Collection<String> getResultNamesThatAreOptional()

Description copied from interface: UsesIntermediateObject

By default matching using UsesIntermediateObject.getResultNamesUsed() is strict. i.e. if a result required is not obtained from the context it should/would result in a RuntimeException.

By specifying the result is optional in this list in ADDITION to UsesIntermediateObject.getResultNamesUsed() will mute and continue since the instance of AbstractEntityTransformer is aware that it is optional. TODO: Add Unit test case for this scenario

Specified by:

getResultNamesThatAreOptional in interface UsesIntermediateObject<CONTEXT>

Returns:

Collection of String

setResultNamesThatAreOptional

public void setResultNamesThatAreOptional(Collection<String> resultsThatAreOptional)

Description copied from interface: UsesIntermediateObject

By default matching using UsesIntermediateObject.getResultNamesUsed() is strict. i.e. if a result required is not obtained from the context it should/would result in a RuntimeException.

By specifying the result is optional in this list in ADDITION to UsesIntermediateObject.getResultNamesUsed() will mute and continue since the instance of AbstractEntityTransformer is aware that it is optional.

Specified by:

setResultNamesThatAreOptional in interface UsesIntermediateObject<CONTEXT>