com.orientechnologies.orient.core.sql.functions

Interface OSQLFunctionFactory

All Known Implementing Classes:

OCustomSQLFunctionFactory, ODatabaseFunctionFactory, ODefaultSQLFunctionFactory, ODynamicSQLElementFactory, OGraphFunctionFactory, OLuceneFunctionsFactory, OSpatialFunctionsFactory, OSQLFunctionFactoryTemplate

public interface OSQLFunctionFactory

Author:

Johann Sorel (Geomatys)

Method Summary

Modifier and Type	Method and Description
OSQLFunction	createFunction(String name) Create function for the given name.
Set<String>	getFunctionNames()
boolean	hasFunction(String iName)

Method Detail

hasFunction

boolean hasFunction(String iName)

getFunctionNames

Set<String> getFunctionNames()

Returns:

Set of supported function names of this factory

createFunction

OSQLFunction createFunction(String name)
                     throws OCommandExecutionException

Create function for the given name. returned function may be a new instance each time or a constant.

Parameters:

name -

Returns:

OSQLFunction : created function

Throws:

OCommandExecutionException - : when function creation fail