net.dpml.lang
Interface Value

All Known Implementing Classes:

Construct

public interface Value

A object resolvable from primitive and symbolic arguments.

Version:

1.0.0

Author:

The Digital Product Meta Library

Method Summary

Object	resolve() Resolve an instance from the value using the context classloader.
Object	resolve(boolean isolate) Resolve an instance from the value using a supplied isolation policy.
Object	resolve(Map map) Resolve an instance from the value using a supplied context map.
Object	resolve(Map map, boolean isolate) Resolve an instance from the value using a supplied context map.
Object	resolve(String classname, Map map, boolean isolate) Resolve an instance from the value using a supplied context map.

Method Detail

resolve

public Object resolve()
               throws Exception

Resolve an instance from the value using the context classloader.

Returns:

the resolved instance

Throws:

Exception - if error occurs during instance resolution

resolve

public Object resolve(Map map)
               throws Exception

Resolve an instance from the value using a supplied context map. If any target expressions in immediate or nested values contain a symbolic expression the value will be resolved using the supplied map.

Parameters:

map - the context map

Returns:

the resolved instance

Throws:

Exception - if error occurs during instance resolution

resolve

public Object resolve(boolean isolate)
               throws Exception

Resolve an instance from the value using a supplied isolation policy.

Parameters:

isolate - the isolation policy

Returns:

the resolved instance

Throws:

Exception - if error occurs during instance resolution

resolve

public Object resolve(Map map,
                      boolean isolate)
               throws Exception

Resolve an instance from the value using a supplied context map. If any target expressions in immediate or nested values contain a symbolic expression the value will be resolved using the supplied map.

Parameters:

map - the context map

isolate - the isolation policy

Returns:

the resolved instance

Throws:

Exception - if error occurs during instance resolution

resolve

public Object resolve(String classname,
                      Map map,
                      boolean isolate)
               throws Exception

Resolve an instance from the value using a supplied context map. If any target expressions in immediate or nested values contain a symbolic expression the value will be resolved using the supplied map.

Parameters:

classname - the default classname

map - the context map

isolate - the isolation policy

Returns:

the resolved instance

Throws:

Exception - if error occurs during instance resolution