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98 lines (73 loc) · 2.95 KB
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/**
* Copyright (C) 2010-2013 eBusiness Information, Excilys Group
*
* 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.androidannotations.processing;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import org.androidannotations.annotations.Transactional;
import org.androidannotations.helper.APTCodeModelHelper;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JCatchBlock;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JExpr;
import com.sun.codemodel.JExpression;
import com.sun.codemodel.JInvocation;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JTryBlock;
import com.sun.codemodel.JVar;
public class TransactionalProcessor implements DecoratingElementProcessor {
private final APTCodeModelHelper helper = new APTCodeModelHelper();
@Override
public String getTarget() {
return Transactional.class.getName();
}
@Override
public void process(Element element, JCodeModel codeModel, EBeanHolder holder) {
ExecutableElement executableElement = (ExecutableElement) element;
String returnTypeName = executableElement.getReturnType().toString();
JClass returnType = holder.refClass(returnTypeName);
JMethod method = helper.overrideAnnotatedMethod(executableElement, holder);
helper.removeBody(method);
JVar db = method.params().get(0);
JBlock body = method.body();
body.invoke(db, "beginTransaction");
JTryBlock tryBlock = body._try();
JExpression activitySuper = holder.generatedClass.staticRef("super");
JInvocation superCall = JExpr.invoke(activitySuper, method);
for (JVar param : method.params()) {
superCall.arg(param);
}
JBlock tryBody = tryBlock.body();
if (returnTypeName.equals("void")) {
tryBody.add(superCall);
tryBody.invoke(db, "setTransactionSuccessful");
tryBody._return();
} else {
JVar result = tryBody.decl(returnType, "result_", superCall);
tryBody.invoke(db, "setTransactionSuccessful");
tryBody._return(result);
}
JCatchBlock catchBlock = tryBlock._catch(holder.refClass(RuntimeException.class));
JVar exceptionParam = catchBlock.param("e");
JBlock catchBody = catchBlock.body();
JInvocation errorInvoke = catchBody.staticInvoke(holder.classes().LOG, "e");
errorInvoke.arg(holder.generatedClass.name());
errorInvoke.arg("Error in transaction");
errorInvoke.arg(exceptionParam);
catchBody._throw(exceptionParam);
tryBlock._finally().invoke(db, "endTransaction");
}
}