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1   /*
2    * Copyright 2006 Outsource Cafe, Inc.
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.javagen.agile.core.context;
17  
18  import org.javagen.agile.core.model.Model;
19  
20  /***
21   * Generic mechanism to combine contexts from model tree.  This interface
22   * is used when pre-processing models prior to template invocation and is
23   * typically managed by a visitor pattern.  The
24   * <code>EmitterContextLoader</code> interface is provided to add template 
25   * contexts into the mix during template invocation.
26   *
27   * @author Richard Easterling
28   */
29  public interface ContextLoader {
30  
31      void pushAll(ContextHolderStack stack, Model modelTree);
32  
33      void popAll(ContextHolderStack stack, Model modelTree);
34  
35  }