01: /*
02: * Copyright 2004-2007 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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;
19:
20: /**
21: * A context object with two main responsibities:
22: * <ol>
23: * <li>Exposing information to an expression to influence
24: * an evaluation attempt.
25: * <li>Providing operations for recording progress or
26: * errors during the expression evaluation process.
27: * </ol>
28: *
29: * @author Keith Donald
30: */
31: public interface EvaluationContext {
32:
33: /**
34: * Returns a map of attributes that can be used to influence expression evaluation.
35: * @return the evaluation attributes
36: */
37: public Map getAttributes();
38:
39: }
|