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The private implementation classes of the Apache MyFaces Core JSF-2.0 Implementation
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.myfaces.view.facelets.el;
import javax.el.VariableMapper;
/**
* Defines an interface to detect when an EL expression has been
* resolved by a facelets variable mapper and in that way allow cache it
* if it is possible. This class should be implemented by any
* "facelets contextual" variable mapper.
*
* @since 2.0.8
* @author Leonardo Uribe
*
*/
public abstract class VariableMapperBase extends VariableMapper
{
/**
* Check if a variable has been resolved by this variable mapper
* or any parent "facelets contextual" variable mapper.
*
* @return
*/
public abstract boolean isAnyFaceletsVariableResolved();
/**
* Indicates an expression will be resolved, so preparations
* should be done to detect if a contextual variable has been resolved.
*/
public abstract void beforeConstructELExpression();
/**
* Cleanup all initialization done.
*/
public abstract void afterConstructELExpression();
}