CompiledScript JDK 1.6)

Description

publicabstract abstract class CompiledScript

Extended by classes that store results of compilations.

Extended by classes that store results of compilations. State
might be stored in the form of Java classes, Java class files or scripting
language opcodes. The script may be executed repeatedly
without reparsing.

Each CompiledScript is associated with a ScriptEngine -- A call to an eval
method of the CompiledScript causes the execution of the script by the
ScriptEngine. Changes in the state of the ScriptEngine caused by execution
of tne CompiledScript may visible during subsequent executions of scripts by the engine.

See also:

Methods

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public Object eval () throws ScriptException

Executes the program stored in the CompiledScript object.

Executes the program stored in the CompiledScript object. The
default ScriptContext of the associated ScriptEngine is used.
The effect of calling this method is same as that of eval(getEngine().getContext()).
Returns: The return value from the script execution
Throws:
- ScriptException - if an error occurs.

public Object eval (Bindings bindings) throws ScriptException

Executes the program stored in the CompiledScript object using the supplied Bindings of attributes as the ENGINE_SCOPE of the associated ScriptEngine during script execution.

Executes the program stored in the CompiledScript object using the supplied Bindings of attributes as the ENGINE_SCOPE of the associated ScriptEngine during script execution. If bindings is null, then the effect of calling this method is same as that of eval(getEngine().getContext()).

. The GLOBAL_SCOPE Bindings, Reader and Writer associated with the default ScriptContext of the associated ScriptEngine are used.
Returns: The return value from the script execution
Parameters:
- bindings - The bindings of attributes used for the ENGINE_SCOPE.
Throws:
- ScriptException - if an error occurs.

publicabstract Object eval (ScriptContext context) throws ScriptException

Executes the program stored in this CompiledScript object.

Executes the program stored in this CompiledScript object.
Returns: The value returned by the script execution, if any. Should return null if no value is returned by the script execution.
Parameters:
- context - A ScriptContext that is used in the same way as the ScriptContext passed to the eval methods of ScriptEngine.
Throws:
- ScriptException - if an error occurs.
- NullPointerException - if context is null.

publicabstract ScriptEngine getEngine ()

Returns the ScriptEngine wbose compile method created this CompiledScript.

Returns the ScriptEngine wbose compile method created this CompiledScript.
The CompiledScript will execute in this engine.
Returns: The ScriptEngine that created this CompiledScript