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Java > Open Source Codes > org > springframework > binding > expression > EvaluationContext


1 /*
2  * Copyright 2002-2006 the original author or authors.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */

16 package org.springframework.binding.expression;
17
18 import java.util.Map JavaDoc;
19
20 /**
21  * A context object with two main responsibities:
22  * <ol>
23  * <ul>Exposing information to an expression to influence
24  * an evaluation attempt.
25  * <ul>Providing operations for recording progress or
26  * errors during the expression evaluation process.
27  * </ol>
28  * @author Keith Donald
29  */

30 public interface EvaluationContext {
31
32     /**
33      * Returns a map of attributes that can be used to influence expression evaluation.
34      * @return the evaluation attributes
35      */

36     public Map JavaDoc getAttributes();
37
38 }
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