01: /**
02: * Copyright 2006 Webmedia Group Ltd.
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: **/package org.araneaframework.backend.list.memorybased.expression;
16:
17: import java.io.Serializable;
18: import org.araneaframework.backend.list.memorybased.Variable;
19:
20: /**
21: * General interface for a resolver that resolves <code>Variables</code>. The
22: * <code>VariableResolver</code> implementation may be used to evaluate
23: * <code>Variables</code> as well as transforming their names etc.
24: */
25: public interface VariableResolver extends Serializable {
26: /**
27: * Resolves a <code>Variable</code>.
28: *
29: * @param variable
30: * a <code>Variable</code> to resolve.
31: * @return the result of resolving the <code>Variable</code>.
32: */
33: Object resolve(Variable variable);
34: }
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