org.activiti.engine.impl.juel

Interface TreeBuilder

All Superinterfaces:

Serializable

All Known Implementing Classes:

Builder

public interface TreeBuilder
extends Serializable

Tree builder interface. A tree builder can be used to create arbitrary many trees. Furthermore, a tree builder implementation must be thread-safe.

Author:

Christoph Beck

Method Summary

Methods

Modifier and Type	Method and Description
Tree	build(String expression) Parse the given expression and create an abstract syntax tree for it.

Method Detail

build

Tree build(String expression)
           throws TreeBuilderException

Parse the given expression and create an abstract syntax tree for it.

Parameters:

expression - expression string

Returns:

tree corresponding to the given expression

Throws:

ELException - on parse error

TreeBuilderException