forked from apache/dubbo
/
MethodCallbackImpl.java
110 lines (95 loc) · 3.28 KB
/
MethodCallbackImpl.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.dubbo.config.spring.impl;
import org.apache.dubbo.config.spring.api.MethodCallback;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.core.env.Environment;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.transaction.support.TransactionSynchronizationManager;
import javax.annotation.PostConstruct;
public class MethodCallbackImpl implements MethodCallback {
private String onInvoke;
private String onReturn;
private String onThrow;
@Autowired
private Environment environment;
@Autowired
private ApplicationContext context;
@PostConstruct
protected void init() {
checkInjection();
}
@Transactional(rollbackFor = Exception.class)
@Override
public void oninvoke(String request) {
try {
checkInjection();
checkTranscation();
this.onInvoke = "dubbo invoke success";
} catch (Exception e) {
this.onInvoke = e.toString();
throw e;
}
}
@Override
@Transactional(rollbackFor = Exception.class)
public void onreturn(String response, String request) {
try {
checkInjection();
checkTranscation();
this.onReturn = "dubbo return success";
} catch (Exception e) {
this.onReturn = e.toString();
throw e;
}
}
@Override
@Transactional(rollbackFor = Exception.class)
public void onthrow(Throwable ex, String request) {
try {
checkInjection();
checkTranscation();
this.onThrow = "dubbo throw exception";
} catch (Exception e) {
this.onThrow = e.toString();
throw e;
}
}
public String getOnInvoke() {
return this.onInvoke;
}
public String getOnReturn() {
return this.onReturn;
}
public String getOnThrow() {
return this.onThrow;
}
private void checkInjection() {
if (environment == null) {
throw new IllegalStateException("environment is null");
}
if (context == null) {
throw new IllegalStateException("application context is null");
}
}
private void checkTranscation() {
if (!TransactionSynchronizationManager.isActualTransactionActive()) {
throw new IllegalStateException("No active transaction");
}
}
}