/*
* Copyright 2014 NAVER Corp.
*
* 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.navercorp.pinpoint.bootstrap.interceptor;
import com.navercorp.pinpoint.bootstrap.context.MethodDescriptor;
import com.navercorp.pinpoint.bootstrap.context.SpanEventRecorder;
import com.navercorp.pinpoint.bootstrap.context.Trace;
import com.navercorp.pinpoint.bootstrap.context.TraceContext;
import com.navercorp.pinpoint.bootstrap.logging.PLogger;
import com.navercorp.pinpoint.bootstrap.logging.PLoggerFactory;
/**
* @author emeroad
* @author jaehong.kim
*/
public abstract class SpanEventSimpleAroundInterceptorForPlugin implements AroundInterceptor {
protected final PLogger logger = PLoggerFactory.getLogger(getClass());
protected final boolean isDebug = logger.isDebugEnabled();
protected final MethodDescriptor methodDescriptor;
protected final TraceContext traceContext;
protected SpanEventSimpleAroundInterceptorForPlugin(TraceContext traceContext, MethodDescriptor descriptor) {
if (traceContext == null) {
throw new NullPointerException("traceContext must not be null");
}
if (descriptor == null) {
throw new NullPointerException("descriptor must not be null");
}
this.traceContext = traceContext;
this.methodDescriptor = descriptor;
}
@Override
public void before(Object target, Object[] args) {
if (isDebug) {
logBeforeInterceptor(target, args);
}
prepareBeforeTrace(target, args);
final Trace trace = traceContext.currentTraceObject();
if (trace == null) {
return;
}
try {
final SpanEventRecorder recorder = trace.traceBlockBegin();
doInBeforeTrace(recorder, target, args);
} catch (Throwable th) {
if (logger.isWarnEnabled()) {
logger.warn("BEFORE. Caused:{}", th.getMessage(), th);
}
}
}
protected void logBeforeInterceptor(Object target, Object[] args) {
logger.beforeInterceptor(target, args);
}
protected void prepareBeforeTrace(Object target, Object[] args) {
}
protected abstract void doInBeforeTrace(final SpanEventRecorder recorder, final Object target, final Object[] args);
@Override
public void after(Object target, Object[] args, Object result, Throwable throwable) {
if (isDebug) {
logAfterInterceptor(target, args, result, throwable);
}
prepareAfterTrace(target, args, result, throwable);
final Trace trace = traceContext.currentTraceObject();
if (trace == null) {
return;
}
try {
final SpanEventRecorder recorder = trace.currentSpanEventRecorder();
doInAfterTrace(recorder, target, args, result, throwable);
} catch (Throwable th) {
if (logger.isWarnEnabled()) {
logger.warn("AFTER error. Caused:{}", th.getMessage(), th);
}
} finally {
trace.traceBlockEnd();
}
}
protected void logAfterInterceptor(Object target, Object[] args, Object result, Throwable throwable) {
logger.afterInterceptor(target, args, result, throwable);
}
protected void prepareAfterTrace(Object target, Object[] args, Object result, Throwable throwable) {
}
protected abstract void doInAfterTrace(final SpanEventRecorder recorder, final Object target, final Object[] args, final Object result, Throwable throwable);
protected MethodDescriptor getMethodDescriptor() {
return methodDescriptor;
}
protected TraceContext getTraceContext() {
return traceContext;
}
}