/**
* Copyright 2008-2016 Qualogy Solutions B.V.
*
* 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 com.qualogy.qafe.core.statement;
import java.util.List;
import com.qualogy.qafe.bind.commons.type.Parameter;
import com.qualogy.qafe.bind.core.application.ApplicationContext;
import com.qualogy.qafe.bind.core.statement.ControlStatement;
import com.qualogy.qafe.bind.core.statement.IfResult;
import com.qualogy.qafe.bind.core.statement.IfStatement;
import com.qualogy.qafe.bind.core.statement.ResultItem;
import com.qualogy.qafe.core.datastore.ApplicationStoreIdentifier;
import com.qualogy.qafe.core.datastore.DataIdentifier;
import com.qualogy.qafe.core.datastore.ParameterValueHandler;
import com.qualogy.qafe.core.id.UniqueIdentifier;
@Deprecated
public class IfStatementExecuter extends ControlStatementExecuter{
/**
* method to execute a controlstatement returning the outcome of the execution
* method uses {@link #evaluate(UniqueIdentifier, Case)}
* @return List of resultItems
*/
public List<ResultItem> execute(ApplicationContext context, ApplicationStoreIdentifier storeId, DataIdentifier id, ControlStatement controlStatement, String localStoreId){
if(controlStatement==null)
throw new IllegalArgumentException("controlStatement cannot be null");
IfStatement statement = (IfStatement)controlStatement;
boolean result = evaluate(context, storeId, id, statement.getExpression(), localStoreId);
IfResult stmtResult = statement.getResultForValue(result);
return (stmtResult != null)?stmtResult.getResultItems():null;
}
public List<ResultItem> execute(ApplicationContext context, ApplicationStoreIdentifier storeId, DataIdentifier id, ControlStatement controlStatement){
return execute(context, storeId, id, controlStatement, null);
}
/**
* evaluate if explicit expression is supplied
* @param context
* @param dataId
* @param explicitExpression
* @return
*/
private boolean evaluate(ApplicationContext context, ApplicationStoreIdentifier storeId, DataIdentifier dataId, Parameter expression, String localStoreId) {
Object obj = ParameterValueHandler.get(context, storeId, dataId, expression, localStoreId);
if(!(obj instanceof String) || (!"0".equals(obj) && !"1".equals(obj))){
throw new IllegalArgumentException("expression for ifstatement is invalid, should result in true or false");
}
return "1".equals(obj);
}
}