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; 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 getAttributes(); 37 38 }