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.uilib.list.structure;
16:
17: import org.araneaframework.Environment;
18: import org.araneaframework.backend.list.memorybased.ExpressionBuilder;
19:
20: /**
21: * Static list filtering information that can be used along with
22: * <code>FilterInfo</code> to build <code>FilterExpression</code> (an
23: * <code>Expression</code> that evualuates into <code>Boolean.TRUE</code>
24: * when the filter matches with the current record that a
25: * <code>VariableResolver</code> provides and <code>Boolean.FALSE</code>
26: * otherwise).
27: */
28: public interface ListFilter extends ExpressionBuilder {
29: void init(Environment env);
30:
31: void destroy();
32: }
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