Package chemaxon.jep

Interface ChemContext

All Superinterfaces:

chemaxon.marvin.util.CallbackIface, Serializable

All Known Implementing Classes:

AtomContext, MolContext, ReactionContext

@PublicAPI
public interface ChemContext
extends chemaxon.marvin.util.CallbackIface, Serializable

Interface of expression evaluation contexts. Provides function names for accessing context elements through the CallbackIface.

Since:

JChem 2.2, Marvin 5.1

Method Summary

Modifier and Type	Method	Description
Object	callback(String method, Object arg)	Implements CallbackIface.
void	clear()	Clears the context.
String[]	getContextFunctionNames()	Returns context element accessor function names.

Method Details

getContextFunctionNames

String[] getContextFunctionNames()

Returns context element accessor function names. Implementations override this method to add specific context elements accessors.

Returns:

the context element accessor function names

callback

Object callback(String method,
 Object arg)

Implements CallbackIface. Implementations override this method to implement the specific context elements accessors returned by getContextFunctionNames().

Specified by:

callback in interface chemaxon.marvin.util.CallbackIface

Parameters:

method - is the accessor method name (returned by getContextFunctionNames())

arg - is the accessor method argument (the JEP parameter stack as null, a single parameter object or a parameter object array depending on the number of parameters on the stack)

Returns:

the context element

clear

void clear()

Clears the context.