org.gecko.emf.mongo

Interface ValueConverter

public interface ValueConverter

Converter interface to convert from MongoDB into EMF and back

Method Summary

Modifier and Type	Method and Description
java.lang.Object	convertEMFValueToMongoDBValue(EDataType eDataType, java.lang.Object emfValue) Convert a value from EMF of the specified type to a value stored in MongoDB.
java.lang.Object	convertMongoDBValueToEMFValue(EDataType eDataType, java.lang.Object databaseValue) Convert a value from MongoDB to a value used by EMF of the specified type.
boolean	isConverterForType(EDataType eDataType) Determines whether or not this converter can convert a value of a specific type.

Method Detail

convertMongoDBValueToEMFValue

java.lang.Object convertMongoDBValueToEMFValue(EDataType eDataType,
                                               java.lang.Object databaseValue)

Convert a value from MongoDB to a value used by EMF of the specified type. An example might be converting a long read from MongoDB into an EDataType of java.util.Calendar.

Parameters:

eDataType - the EMF type that the value needs to be converted to

databaseValue - the value read from MongoDB

Returns:

the value that will be set in the EMF object being built.

convertEMFValueToMongoDBValue

java.lang.Object convertEMFValueToMongoDBValue(EDataType eDataType,
                                               java.lang.Object emfValue)

Convert a value from EMF of the specified type to a value stored in MongoDB. An example might be converting an EDataType of java.util.Calendar to a long that is stored in MongoDB

Parameters:

eDataType - the EMF type that the value needs to be converted from

emfValue - the value from the EMF object

Returns:

the value that will be stored in MongoDB

isConverterForType

boolean isConverterForType(EDataType eDataType)

Determines whether or not this converter can convert a value of a specific type.

Parameters:

eDataType - the type of the value that needs to be converted

Returns:

true if this converter can handle values of the specified type; false otherwise