WINDOW TITLE

Overview

Package

Class

Use

Tree

Help

HEADER

PREV CLASS NEXT CLASS

FRAMES NO FRAMES

SUMMARY: INNER | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

ru.biosoft.access
Interface Transformer

All Known Implementing Classes:: AbstractTransformer

public interface Transformer

Transforms DataElement from one type to another.

Version: 1.0
pending comments

Method Summary
`Class`	`getInputType()` Return class of input data element.
`Class`	`getOutputType()` Return class of output data element.
`DataCollection`	`getPrimaryCollection()` Return data collection which contain output data element.
`DataCollection`	`getTransformedCollection()` Return data collection which contain input data element.
`void`	`init(DataCollection dcInput, DataCollection dcOutput)` Initialize transformer for support optional methods.
`boolean`	`isInputType(Class type)` Returns is specified class accepted as input type.
`boolean`	`isOutputType(Class type)` Returns is specified class accepted as output type.
`DataElement`	`transformInput(DataElement input)` Transform input data element to output data element.
`DataElement`	`transformOutput(DataElement output)` Transform output data element to input data element.

Method Detail

getInputType

public Class getInputType()

Return class of input data element. Input data element stored in primary data collection.

Returns: Class of input data element.

getOutputType

public Class getOutputType()

Return class of output data element. Output data element stored in transformed data collection.

Returns: Class of output data element.

getPrimaryCollection

public DataCollection getPrimaryCollection()

Return data collection which contain output data element. This optional operation. If this operation not supported then null always returns.

Returns: Data collection which contain output data element or null.
See Also:: init(ru.biosoft.access.DataCollection,ru.biosoft.access.DataCollection)

getTransformedCollection

public DataCollection getTransformedCollection()

Return data collection which contain input data element. This optional operation. If this operation not supported then null always returns.

Returns: Data collection which contain input data element or null.
See Also:: init(ru.biosoft.access.DataCollection,ru.biosoft.access.DataCollection)

init

public void init(DataCollection dcInput, DataCollection dcOutput)

Initialize transformer for support optional methods.

See Also:: getPrimaryCollection(), getTransformedCollection()

isInputType

public boolean isInputType(Class type)

Returns is specified class accepted as input type.

Parameters:: type - Class for checking.
Returns: true - if type is input type, false otherwise.

isOutputType

public boolean isOutputType(Class type)

Returns is specified class accepted as output type.

Parameters:: type - Class for checking.
Returns: true - if type is output type, false otherwise.

transformInput

public DataElement transformInput(DataElement input)
                            throws java.lang.Exception

Transform input data element to output data element.

Returns: Transformed data element.
Throws:: Exception - If error occured.

transformOutput

public DataElement transformOutput(DataElement output)
                             throws java.lang.Exception

Transform output data element to input data element.

Returns: Primary data element.
Throws:: Exception - If error occured.