Package com.foreach.across.modules.entity.query

Interface EntityQueryFunctionHandler

All Known Implementing Classes:

EntityQueryAuthenticationFunctions, EntityQueryDateFunctions

public interface EntityQueryFunctionHandler

Handler API for defining and executing an function in an EntityQuery.

Since:

2.0.0

Author:

Arne Vandamme

See Also:

• EQFunction

Method Summary

Modifier and Type	Method	Description
boolean	accepts(String functionName, org.springframework.core.convert.TypeDescriptor desiredType)	Does this handler accept a function with the given name and support the desired result type.
Object	apply(String functionName, EQType[] arguments, org.springframework.core.convert.TypeDescriptor desiredType, EQTypeConverter argumentConverter)	Apply the function and return the value in the .

Method Details

accepts

boolean accepts(String functionName,
 org.springframework.core.convert.TypeDescriptor desiredType)

Does this handler accept a function with the given name and support the desired result type.

Parameters:

functionName - name of the function call

desiredType - of the result

Returns:

true if handler can execute the requested function

apply

Object apply(String functionName,
 EQType[] arguments,
 org.springframework.core.convert.TypeDescriptor desiredType,
 EQTypeConverter argumentConverter)

Apply the function and return the value in the .

Parameters:

functionName - name of the function being executed.

arguments - for the function

desiredType - for the output

argumentConverter - to be used for argument conversion

Returns:

evaluation result