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A reactive Java web server.
/*
* Copyright (c) 1998-2015 Caucho Technology -- all rights reserved
*
* This file is part of Baratine(TM)
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Baratine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Baratine is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Baratine; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.v5.amp.stub;
import java.lang.annotation.Annotation;
import java.util.Arrays;
import java.util.Objects;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.caucho.v5.amp.manager.TraceAmp;
import com.caucho.v5.amp.spi.HeadersAmp;
import io.baratine.pipe.ResultPipeIn;
import io.baratine.pipe.ResultPipeOut;
import io.baratine.service.Result;
import io.baratine.stream.ResultStream;
/**
* send a copy of a message to a debug tee.
*/
public class MethodAmpTrace implements MethodAmp
{
private static final Logger log
= Logger.getLogger(MethodAmpTrace.class.getName());
private final MethodAmp _delegate;
public MethodAmpTrace(MethodAmp delegate)
{
Objects.requireNonNull(delegate);
_delegate = delegate;
}
private MethodAmp delegate()
{
return _delegate;
}
//
// metadata methods
//
@Override
public boolean isClosed()
{
return delegate().isClosed();
}
@Override
public String name()
{
return delegate().name();
}
@Override
public boolean isDirect()
{
return delegate().isDirect();
}
@Override
public boolean isModify()
{
return delegate().isModify();
}
@Override
public Annotation[] getAnnotations()
{
return delegate().getAnnotations();
}
@Override
public Class getReturnType()
{
return delegate().getReturnType();
}
@Override
public ParameterAmp []parameters()
{
return delegate().parameters();
}
/*
@Override
public Type []getGenericParameterTypes()
{
return delegate().getGenericParameterTypes();
}
@Override
public Annotation [][]getParameterAnnotations()
{
return delegate().getParameterAnnotations();
}
*/
@Override
public boolean isVarArgs()
{
return delegate().isVarArgs();
}
//
// send methods
//
@Override
public void send(HeadersAmp headers,
StubAmp actor)
{
String traceId = getTraceId(headers);
if (traceId != null) {
traceSend(traceId, headers, actor, new Object[0]);
TraceAmp.deliverBreakpoint(traceId, actor.name(), name());
}
delegate().send(headers, actor);
}
@Override
public void send(HeadersAmp headers,
StubAmp actor,
Object arg1)
{
String traceId = getTraceId(headers);
if (traceId != null) {
traceSend(traceId, headers, actor, new Object[] { arg1 });
TraceAmp.deliverBreakpoint(traceId, actor.name(), name());
}
delegate().send(headers, actor, arg1);
}
@Override
public void send(HeadersAmp headers,
StubAmp actor,
Object arg1,
Object arg2)
{
String traceId = getTraceId(headers);
if (traceId != null) {
traceSend(traceId, headers, actor, new Object[] { arg1, arg2 });
TraceAmp.deliverBreakpoint(traceId, actor.name(), name());
}
delegate().send(headers, actor, arg1, arg2);
}
@Override
public void send(HeadersAmp headers,
StubAmp actor,
Object arg1,
Object arg2,
Object arg3)
{
String traceId = getTraceId(headers);
if (traceId != null) {
traceSend(traceId, headers, actor, new Object[] { arg1, arg2, arg3 });
TraceAmp.deliverBreakpoint(traceId, actor.name(), name());
}
delegate().send(headers, actor, arg1, arg2, arg3);
}
@Override
public void send(HeadersAmp headers,
StubAmp actor,
Object []args)
{
String traceId = getTraceId(headers);
if (traceId != null) {
traceSend(traceId, headers, actor, args);
TraceAmp.deliverBreakpoint(traceId, actor.name(), name());
}
delegate().send(headers, actor, args);
}
private void traceSend(String traceId,
HeadersAmp headers,
StubAmp actor,
Object []args)
{
if (traceId == null) {
return;
}
if (log.isLoggable(Level.FINE)) {
log.fine("send {id=" + traceId + "} " + actor.name() + " " + name() + Arrays.asList(args));
}
}
//
// query methods
//
@Override
public void query(HeadersAmp headers,
Result result,
StubAmp actor)
{
String traceId = getTraceId(headers);
if (traceId != null) {
traceQuery(traceId, headers, actor, new Object[] { });
TraceAmp.deliverBreakpoint(traceId, actor.name(), name());
}
delegate().query(headers, result, actor);
}
@Override
public void query(HeadersAmp headers,
Result result,
StubAmp actor,
Object arg1)
{
String traceId = getTraceId(headers);
if (traceId != null) {
traceQuery(traceId, headers, actor, new Object[] { });
TraceAmp.deliverBreakpoint(traceId, actor.name(), name());
}
delegate().query(headers, result, actor, arg1);
}
@Override
public void query(HeadersAmp headers,
Result result,
StubAmp actor,
Object arg1,
Object arg2)
{
String traceId = getTraceId(headers);
if (traceId != null) {
traceQuery(traceId, headers, actor, new Object[] { });
TraceAmp.deliverBreakpoint(traceId, actor.name(), name());
}
delegate().query(headers, result, actor, arg1, arg2);
}
@Override
public void query(HeadersAmp headers,
Result result,
StubAmp actor,
Object arg1,
Object arg2,
Object arg3)
{
String traceId = getTraceId(headers);
if (traceId != null) {
traceQuery(traceId, headers, actor, new Object[] { });
TraceAmp.deliverBreakpoint(traceId, actor.name(), name());
}
delegate().query(headers, result, actor, arg1, arg2, arg3);
}
@Override
public void query(HeadersAmp headers,
Result result,
StubAmp actor,
Object []args)
{
String traceId = getTraceId(headers);
if (traceId != null) {
traceQuery(traceId, headers, actor, new Object[] { });
TraceAmp.deliverBreakpoint(traceId, actor.name(), name());
}
delegate().query(headers, result, actor, args);
}
private void traceQuery(String traceId,
HeadersAmp headers,
StubAmp actor,
Object []args)
{
if (traceId == null) {
return;
}
if (log.isLoggable(Level.FINE)) {
log.fine("query {id=" + traceId + "} " + actor.name() + " " + name() + Arrays.asList(args));
}
}
//
// map-reduce methods
//
/*
@Override
public void stream(HeadersAmp headers,
QueryRefAmp queryRef,
ActorAmp actor,
CollectorAmp collector,
Object []args)
{
getDelegate().stream(headers, queryRef, actor, collector, args);
// getTee().stream(headers, queryRef, actor, collector, args);
}
*/
@Override
public void stream(HeadersAmp headers,
ResultStream result,
StubAmp actor,
Object []args)
{
delegate().stream(headers, result, actor, args);
// getTee().stream(headers, result, actor, args);
}
@Override
public void outPipe(HeadersAmp headers,
ResultPipeOut result,
StubAmp actor,
Object []args)
{
delegate().outPipe(headers, result, actor, args);
}
@Override
public void inPipe(HeadersAmp headers,
ResultPipeIn result,
StubAmp actor,
Object []args)
{
delegate().inPipe(headers, result, actor, args);
}
private String getTraceId(HeadersAmp headers)
{
Object id = headers.get("trace.id");
if (id instanceof String) {
return (String) id;
}
else {
return null;
}
}
//
// impl methods
//
/**
* Returns the invocation actor.
*
* For a child, the invocation is stored in the method.
*/
/*
@Override
public ActorAmp getActorInvoke(ActorAmp actorDeliver)
{
return getDelegate().getActorInvoke(actorDeliver);
}
*/
}
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