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/*
* Copyright (c) 2016 simplity.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.simplity.tp;
import org.simplity.kernel.Application;
import org.simplity.kernel.ApplicationError;
import org.simplity.kernel.comp.ValidationContext;
import org.simplity.kernel.db.DbDriver;
import org.simplity.kernel.value.Value;
import org.simplity.service.ServiceContext;
/**
* complex logic that is implemented in a java code. Complexity in this is the
* driver. We believe that a logic that requires db operations in between is
* leads to maintenance issues, and hence must be developed and reviewed by
* experienced folks. For enabling such a process, we have separated simple and
* complex logic interfaces.
*
* @author simplity.org
*
*/
public class ComplexLogic extends Action {
/**
* fully qualified class name
*/
String className;
/**
* cached for performance
*/
private ComplexLogicInterface logic;
@Override
public void getReady(int idx, Service service) {
super.getReady(idx, service);
try {
this.logic = Application.getBean(className, ComplexLogicInterface.class);
} catch (Exception e) {
throw new ApplicationError(
e,
this.className
+ " is not a valid class that implements ComplexLogicInterface.");
}
}
@Override
protected Value delegate(ServiceContext ctx, DbDriver driver) {
return this.logic.execute(ctx, driver);
}
/*
* (non-Javadoc)
*
* @see
* org.simplity.tp.Action#validate(org.simplity.kernel.comp.ValidationContext
* , org.simplity.tp.Service)
*/
@Override
public int validate(ValidationContext ctx, Service service) {
int count = super.validate(ctx, service);
if (this.className == null) {
ctx.addError("COmplexLogic action requires className");
count++;
} else {
count += ctx.checkClassName(this.className,
ComplexLogicInterface.class);
}
return count;
}
}