01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. 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: package org.apache.wicket.model;
18:
19: import org.apache.wicket.IClusterable;
20:
21: /**
22: * Interface to logic for detaching transient information from a detachable
23: * model. Detachable models are desirable because they reduce the amount of
24: * state required by a model, which makes the model cheaper to replicate in a
25: * clustered environment.
26: *
27: * @author Jonathan Locke
28: */
29: public interface IDetachable extends IClusterable {
30: /**
31: * Detaches model after use. This is generally used to null out transient
32: * references that can be re-attached later.
33: */
34: void detach();
35: }
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