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 // Copyright 2004, 2005 The Apache Software Foundation
 //
 // Licensed 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.tapestry.script;
import  org.apache.hivemind.Resource;
Process object used when executing a script template. This ScriptSession provides support

Author(s):
Howard M. Lewis Ship
Since:
4.0
public interface ScriptSession extends IScriptProcessor
{

    
Evaluates an OGNL expression, where the root object for the expression is the symbols map.
    Object evaluate(String expression);

    
Returns the resource for the script template.
    Resource getScriptTemplateResource();

    
Returns the symbols (which may be created or updated during the execution of the script template).
    Map getSymbols();

    
Returns the current request cycle.
    IRequestCycle getRequestCycle();

    
Evaluates an expression and coerces the result to a particlar type.

Since:
4.0
See also:
org.apache.tapestry.coerce.ValueConverter
    Object evaluate(String expressionClass desiredType);
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