public void beforeMethod()

in apm-sniffer/apm-sdk-plugin/hbase-1.x-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/hbase/HTableInterceptor.java [52:93]
42 lines of code
11 McCabe index (conditional complexity)

    public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes,
                             MethodInterceptResult result) throws Throwable {
        boolean canTracingServer = false;
        List<OperationWithAttributes> operations = null;
        OperationWithAttributes operation = null;
        if (allArguments != null && allArguments.length > 0) {
            if (allArguments[0] instanceof List) {
                List list = (List) allArguments[0];
                if (!CollectionUtil.isEmpty(list) && list.get(0) instanceof OperationWithAttributes) {
                    operations = list;
                    canTracingServer = true;
                }
            } else if (allArguments[0] instanceof OperationWithAttributes) {
                operation = (OperationWithAttributes) allArguments[0];
                canTracingServer = true;
            }
        }
        AbstractSpan span;
        if (canTracingServer) {
            ContextCarrier contextCarrier = new ContextCarrier();
            span = ContextManager.createExitSpan(PREFIX_OPERATION_NAME + method.getName(),
                    contextCarrier, (String) objInst.getSkyWalkingDynamicField());
            CarrierItem next = contextCarrier.items();
            while (next.hasNext()) {
                next = next.next();
                if (operation != null) {
                    operation.setAttribute(next.getHeadKey(), next.getHeadValue().getBytes(StandardCharsets.UTF_8));
                } else {
                    for (OperationWithAttributes o : operations) {
                        o.setAttribute(next.getHeadKey(), next.getHeadValue().getBytes(StandardCharsets.UTF_8));
                    }
                }
            }
        } else {
            span = ContextManager.createExitSpan(PREFIX_OPERATION_NAME + method.getName(),
                    (String) objInst.getSkyWalkingDynamicField());
        }
        span.setComponent(ComponentsDefine.HBASE);
        Tags.DB_TYPE.set(span, HBASE_DB_TYPE);
        Tags.DB_INSTANCE.set(span, ((HTable) objInst).getName().getNameAsString());
        SpanLayer.asDB(span);
    }