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使用S/4HANA里的Smart Business消费通过CDS view暴露的OData服务

In my previous blog Build Chart and Table representation via Analytics Path Framework I introduced the step how to render the data coming from CDS view in various chart types via Analytics Path Framew ...
SAPC4CCloudCDS viewS/4HANA 
JerryWang_SAP 评论(0) 有578人浏览 2021-03-26 09:51

SAP Analytics Path Framework的filter实现原理分析

I am recently doing self study on Analytics Path Framework and as a beginner I have finished some “Hello world” exercise and I have written down my steps to finish those “Hello world” project in these ...
SAPSAP云平台SAP Cloud PlatformSAP成都研究院Cloud 
JerryWang_SAP 评论(0) 有473人浏览 2021-03-26 09:50

使用jstack检测Java应用的死锁(deadlock)状态

We can get the concept of deadlock in wikipedia. The picture below gives a common scenario which leads to deadlock.     In this blog, I will share how to detect deadlock situation using JDK stan ...
javaABAPCloudCDS viewSAP成都研究院 
JerryWang_SAP 评论(0) 有572人浏览 2021-03-25 09:32

SAP WebClient UI是如何维护表格选中状态的

I have been working as a Fiori application developer in SAP for almost two years, which means now I use Chrome development tool in my daily work for trouble shooting instead of ABAP debugger when I wa ...
SAPSAP云平台SAP Cloud PlatformSAP成都研究院Cloud 
JerryWang_SAP 评论(0) 有350人浏览 2021-03-22 09:46

SAP offline OData插件的JavaScript代码是如何调用到Android平台的Java代码的

In previous blog How is OData request routed to Offline data store by OData offline plugin, according to comment, the Offline store will only be available once it is opened successfully. The open oper ...
SAPSAP云平台SAP Cloud PlatformSAP成都研究院Cloud 
JerryWang_SAP 评论(0) 有358人浏览 2021-03-19 10:14

SAP OData请求是如何通过OData Plugin路由到OData Offline Data Store的

I am reading Offline OData plugin introduction from SAP Help, There is one sentence “OData requests made against this plugin use the available open offline stores.“, and I am very curious about how th ...
SAPSAP云平台SAP Cloud PlatformSAP成都研究院Cloud 
JerryWang_SAP 评论(0) 有391人浏览 2021-03-19 10:13

面向切片编程(AOP)应用的一些实际例子

The definition of AOP in wikipedia seems a little bit difficult for beginners to understand, so in this blog I use an example to introduce why we need it. Suppose I have an order command class which ...
AOPSAPSAP云平台SAP Cloud PlatformCloud 
JerryWang_SAP 评论(0) 有600人浏览 2021-03-18 10:41

SAP OData offline store在Android平台的技术实现

I am studying Kapsel OData offline plugin recently. In SAP help the source code of OData.js is provided:     The source code clearly conveys the idea documented in SAP help: “When an offline stor ...
SAPSAP云平台SAP Cloud PlatformSAP成都研究院Cloud 
JerryWang_SAP 评论(0) 有356人浏览 2021-03-18 10:40

Java Volatile的一个实际应用场合

Consider the following example: package thread; public class ThreadVerify { public static boolean stop = false; public static void main(String args[]) throws InterruptedException { T ...
JavaSAPSAP云平台SAP Cloud PlatformCloud 
JerryWang_SAP 评论(0) 有337人浏览 2021-03-17 09:39

显示SAP CRM Product hierarchy的一个小工具

Recently I start to study SD and I found the product hierarchy in transaction code V/76 could not be viewed in tree style and it is not so convenient to check:     So I wrote a simple report to r ...
CRMSAPSAP云平台SAP Cloud PlatformCloud 
JerryWang_SAP 评论(0) 有363人浏览 2021-03-14 08:58

SAP Repository Information System查找Message ID的一个小技巧

Normally if we see a message in SAPGUI and we can just double click the message icon to get its technical detail like message id and number displayed.     However in some case the icon is not ava ...
SAPSAP云平台SAP Cloud PlatformSAP成都研究院Cloud 
JerryWang_SAP 评论(0) 有359人浏览 2021-03-13 08:53

SAP WebClient UI component context node class单元测试方法

Prerequisite for reading this blog: you should be familiar with how to work with ABAP unit test framework. Requirement is to write unit test for this method below:     In this blog, I copy the st ...
SAPC4CCloudCDS viewABAP 
JerryWang_SAP 评论(0) 有305人浏览 2021-03-12 09:58

如何使用ABAP代码创建SAP Product Category

In ERP we can create new material type by copying from existing one using tcode OMS2:     This new type could be downloaded into CRM system via customizing download. A product category with prefi ...
SAPSAP云平台SAP Cloud PlatformCloudABAP 
JerryWang_SAP 评论(0) 有446人浏览 2021-03-12 09:57

SAP系统里的胖接口Fat interface

Recently I am planning an internal training regarding Software engineering concept to my colleagues and one topic is “Interface Segregation”. The following guideline is quoted from OODesign: “When we ...
ABAPC4CCloudCDS viewSAP成都研究院 
JerryWang_SAP 评论(0) 有354人浏览 2021-03-11 11:04

在SAP ABAP里使用注解@Inject模拟Java Spring

Recently I will deliver a session regarding dependency inversion principle to my team. As Java Spring is already widely used in all other Java development teams in my site, some ABAPers are not well ...
SAPSAP云平台SAP Cloud PlatformSAP成都研究院Cloud 
JerryWang_SAP 评论(0) 有378人浏览 2021-03-11 11:03

使用javap分析Java字节码的一个例子

I have the following source code in Java: class Outer { Nested nested; Nested getNested() { return nested; } } class Nested { Inner inner; Inner getInner() { ...
SAPSAP云平台SAP Cloud PlatformSAP成都研究院Cloud 
JerryWang_SAP 评论(0) 有397人浏览 2021-03-10 09:17

ABAP数据库表的元数据

For project reason I need to fill some excel.     The content of each column comes from content in SE11:     In order to avoid such boring task, I write a small ABAP class to automate it. T ...
SAPC4CCloudCDS viewCloudFoundry 
JerryWang_SAP 评论(0) 有335人浏览 2021-03-09 09:18

如何找到ABAP里被动态调用的update function module

In this SCN discussion, Find a Function Module in Update Task dynamically called, a question is asked. For example, if the update function module CRM_PRODUCT_I_UPDATE_DU is called statically as: CALL ...
sapABAPSAP云平台SAP Cloud PlatformCloud 
JerryWang_SAP 评论(0) 有321人浏览 2021-03-09 09:18

无法添加某个relationship给SAP CRM Product category的一个可能原因

For example, I would like to test relationship type STRSET and then I plan to add it to product category 00001.     However, in available drop down list, I could not see relationship type STRSET. ...
SAPC4CCloudCDS viewABAP 
JerryWang_SAP 评论(0) 有387人浏览 2021-03-08 10:01

SAP ABAP字符和字符串变量隐式转换的一些规则

One new colleague in my team asked me that some code does not work as he expected. The confuse could be summarized into following source code: DATA: lv_i TYPE int4 VALUE 1, lv_s TYPE strin ...
SAPSAP云平台SAP Cloud PlatformABAPCloud 
JerryWang_SAP 评论(0) 有318人浏览 2021-03-05 10:09

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