/**
* Copyright 1996-2014 FoxBPM ORG.
*
* 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.
*
* @author kenshin
*/
package org.foxbpm.engine.impl.expression;
import org.foxbpm.engine.expression.Expression;
import org.foxbpm.engine.impl.util.StringUtil;
import org.foxbpm.kernel.runtime.FlowNodeExecutionContext;
import org.foxbpm.kernel.runtime.KernelVariableScope;
public class ExpressionImpl implements Expression {
private static final long serialVersionUID = 1L;
protected String expressionText;
public ExpressionImpl(String expressionText){
this.expressionText=expressionText;
}
public Object getValue(FlowNodeExecutionContext executionContext) throws Exception {
if(StringUtil.isNotEmpty(expressionText)){
return ExpressionMgmt.execute(expressionText,executionContext);
}
return null;
}
public void setValue(Object value, KernelVariableScope variableScope) {
}
public String getExpressionText() {
return expressionText;
}
public boolean isNullText() {
return StringUtil.isEmpty(expressionText);
}
}