/*
 * 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.plugin.arcus.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.interceptor.AroundInterceptor;
import com.navercorp.pinpoint.bootstrap.interceptor.annotation.Scope;
import com.navercorp.pinpoint.bootstrap.logging.PLogger;
import com.navercorp.pinpoint.bootstrap.logging.PLoggerFactory;
import com.navercorp.pinpoint.plugin.arcus.ArcusConstants;
import com.navercorp.pinpoint.plugin.arcus.CacheNameAccessor;

/**
 * @author harebox
 */
@Scope(ArcusConstants.ARCUS_SCOPE)
public class FrontCacheGetFutureGetInterceptor implements AroundInterceptor {

    private final PLogger logger = PLoggerFactory.getLogger(this.getClass());
    private final boolean isDebug = logger.isDebugEnabled();

    private final MethodDescriptor methodDescriptor;
    private final TraceContext traceContext;
    
    public FrontCacheGetFutureGetInterceptor(TraceContext traceContext, MethodDescriptor methodDescriptor) {
        this.methodDescriptor = methodDescriptor;
        this.traceContext = traceContext;
    }

    @Override
    public void before(Object target, Object[] args) {
        if (isDebug) {
            logger.beforeInterceptor(target, args);
        }

        final Trace trace = traceContext.currentTraceObject();
        if (trace == null) {
            return;
        }
        
        trace.traceBlockBegin();
    }

    @Override
    public void after(Object target, Object[] args, Object result, Throwable throwable) {
        if (isDebug) {
            logger.afterInterceptor(target, args, result, throwable);
        }

        final Trace trace = traceContext.currentTraceObject();
        if (trace == null) {
            return;
        }

        try {
            final SpanEventRecorder recorder = trace.currentSpanEventRecorder();
            recorder.recordApi(methodDescriptor);
            if (target instanceof CacheNameAccessor) {
                final String cacheName = ((CacheNameAccessor) target)._$PINPOINT$_getCacheName();
                if (cacheName != null) {
                    recorder.recordDestinationId(cacheName);
                }
            }

            recorder.recordServiceType(ArcusConstants.ARCUS_EHCACHE_FUTURE_GET);
        } finally {
            trace.traceBlockEnd();
        }
    }
}