org.teatrove.tea.engine
Class MergedContextSource

java.lang.Object
  org.teatrove.tea.engine.MergedContextSource

All Implemented Interfaces:

ContextSource

public class MergedContextSource
extends Object
implements ContextSource

A ContextSource implementation that merges several ContextSources into one.

Author:

Jonathan Colwell

Constructor Summary

MergedContextSource()

Method Summary

Object	createContext(Object param) a generic method to create context instances
protected Constructor<?>	getConstructor() let subclasses get at the constructor
protected Class<?>[]	getContextsInOrder()
Class<?>	getContextType()
void	init(ClassLoader loader, ContextSource[] contextSources, boolean profilingEnabled)
void	init(ClassLoader loader, ContextSource[] contextSources, String[] prefixes, boolean profilingEnabled) Creates a unified context source for all those passed in.
protected boolean	isProfilingEnabled()

Methods inherited from class java.lang.Object

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

Constructor Detail

MergedContextSource

public MergedContextSource()

Method Detail

init

public void init(ClassLoader loader,
                 ContextSource[] contextSources,
                 boolean profilingEnabled)
          throws Exception

Throws:

Exception

init

public void init(ClassLoader loader,
                 ContextSource[] contextSources,
                 String[] prefixes,
                 boolean profilingEnabled)
          throws Exception

Creates a unified context source for all those passed in. An Exception may be thrown if the call to a source's getContextType() method throws an exception.

Throws:

Exception

getContextsInOrder

protected Class<?>[] getContextsInOrder()

getConstructor

protected Constructor<?> getConstructor()

let subclasses get at the constructor

isProfilingEnabled

protected boolean isProfilingEnabled()

getContextType

public Class<?> getContextType()

Specified by:

getContextType in interface ContextSource

Returns:

the Class of the object returned by createContext.

createContext

public Object createContext(Object param)
                     throws Exception

a generic method to create context instances

Specified by:

createContext in interface ContextSource

Parameters:

param - engine specific parameter that may be used to create the context instance

Throws:

Exception