org.teiid.query.function

Class UDFSource

java.lang.Object

org.teiid.query.function.UDFSource

All Implemented Interfaces:

FunctionMetadataSource

Direct Known Subclasses:

SystemSource

public class UDFSource
extends Object
implements FunctionMetadataSource

Field Summary

Fields

Modifier and Type	Field and Description
protected Collection<FunctionMethod>	functions

Constructor Summary

Constructors

Constructor and Description
UDFSource(Collection<FunctionMethod> methods)

Method Summary

Modifier and Type	Method and Description
ClassLoader	getClassLoader() Classloader used for functions
Collection<FunctionMethod>	getFunctionMethods() This method requests that the source return all FunctionMethods the source knows about.
Class<?>	getInvocationClass(String className) This method determines where the invocation classes specified in the function metadata are actually retrieved from.
void	setClassLoader(ClassLoader classLoader)

Methods inherited from class java.lang.Object

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

Field Detail

functions

protected Collection<FunctionMethod> functions

Constructor Detail

UDFSource

public UDFSource(Collection<FunctionMethod> methods)

Method Detail

getFunctionMethods

public Collection<FunctionMethod> getFunctionMethods()

Description copied from interface: FunctionMetadataSource

This method requests that the source return all FunctionMethods the source knows about. This can occur in several situations - on initial registration with the FunctionLibraryManager, on a general reload, etc. This may be called multiple times and should always return the newest information available.

Specified by:

getFunctionMethods in interface FunctionMetadataSource

Returns:

Collection of FunctionMethod objects

getInvocationClass

public Class<?> getInvocationClass(String className)
                            throws ClassNotFoundException

Description copied from interface: FunctionMetadataSource

This method determines where the invocation classes specified in the function metadata are actually retrieved from.

Specified by:

getInvocationClass in interface FunctionMetadataSource

Parameters:

className - Name of class

Returns:

Class reference

Throws:

ClassNotFoundException - If class could not be found

setClassLoader

public void setClassLoader(ClassLoader classLoader)

getClassLoader

public ClassLoader getClassLoader()

Description copied from interface: FunctionMetadataSource

Classloader used for functions

Specified by:

getClassLoader in interface FunctionMetadataSource

Returns: