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/* 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.activiti.engine.impl.el;
import java.util.HashMap;
import java.util.Map;
import javax.el.ArrayELResolver;
import javax.el.BeanELResolver;
import javax.el.CompositeELResolver;
import javax.el.ELContext;
import javax.el.ELResolver;
import javax.el.ExpressionFactory;
import javax.el.ListELResolver;
import javax.el.MapELResolver;
import javax.el.ValueExpression;
import de.odysseus.el.ExpressionFactoryImpl;
import org.activiti.engine.delegate.Expression;
import org.activiti.engine.delegate.VariableScope;
import org.activiti.engine.impl.bpmn.data.ItemInstance;
import org.activiti.engine.impl.persistence.entity.VariableScopeImpl;
/**
*
* Central manager for all expressions.
*
*
* Process parsers will use this to build expression objects that are stored in the process definitions.
*
*
* Then also this class is used as an entry point for runtime evaluation of the expressions.
*
*/
public class ExpressionManager {
protected ExpressionFactory expressionFactory;
// Default implementation (does nothing)
protected ELContext parsingElContext = new ParsingElContext();
protected Map
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