01: package org.apache.ojb.broker.metadata;
02:
03: /* Copyright 2002-2005 The Apache Software Foundation
04: *
05: * Licensed under the Apache License, Version 2.0 (the "License");
06: * you may not use this file except in compliance with the License.
07: * You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: import java.io.Serializable;
19:
20: /**
21: * This interface defines methods that are required for an object
22: * to support the nested "attribute" tag in the repository file.
23: * @author Ron Gallagher
24: */
25: public interface AttributeContainer extends Serializable {
26: /**
27: * Store the specified attribute and it's value.
28: * @param attributeName the name of the attribute to retrieve
29: * @param attributeValue the attribute's value
30: */
31: public void addAttribute(String attributeName, String attributeValue);
32:
33: /**
34: * Get the value of an attribute
35: * @param attributeName the attribute to retrieve
36: * @param defaultValue the value to return if the attribute is not present
37: * @return the attribute value
38: */
39: public String getAttribute(String attributeName, String defaultValue);
40:
41: /**
42: * Get the value of an attribute
43: * @param attributeName the attribute to retrieve
44: * @return the attribute value
45: */
46: public String getAttribute(String attributeName);
47: }
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