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JDBI からSAP Business One Data のデータアクセスオブジェクトを作成

JDBI でSAP Business One data 用のSQL オブジェクトAPIを作成する方法を概説します。

JDBI は、Fluent スタイルとSQL オブジェクトスタイルという2つの異なるスタイルAPI を公開する、Java 用のSQL コンビニエンスライブラリです。CData JDBC Driver for SAP Business One は、Java アプリケーションとリアルタイムSAP Business One data のデータ連携を実現します。これらの技術を組み合わせることによって、SAP Business One data へのシンプルなコードアクセスが可能になります。ここでは、基本的なDAO(Data Access Object )とそれに付随するSAP Business One data の読み書きのためのコードの作成について説明します。

SAP Business One Orders Entity のDAO を作成

The interface below declares the desired behavior for the SQL object to create a single method for each SQL statement to be implemented.

public interface MyOrdersDAO { //insert new data into SAP Business One @SqlUpdate("INSERT INTO Orders (DocType, DocType) values (:docType, :docType)") void insert(@Bind("docType") String docType, @Bind("docType") String docType); //request specific data from SAP Business One (String type is used for simplicity) @SqlQuery("SELECT DocType FROM Orders WHERE DocType = :docType") String findDocTypeByDocType(@Bind("docType") String docType); /* * close with no args is used to close the connection */ void close(); }

SAP Business One への接続を開く

Collect the necessary connection properties and construct the appropriate JDBC URL for connecting to SAP Business One.

To authenticate to SAP Business One you must provide the Userand Passwordproperties.

To connect to data, specify Url. This is your SAP Business One Service Layer root URL.

ビルトイン接続文字列デザイナー

For assistance in constructing the JDBC URL, use the connection string designer built into the SAP Business One JDBC Driver.Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.sapbusinessone.jar

Fill in the connection properties and copy the connection string to the clipboard.

A connection string for SAP Business One will typically look like the following:

jdbc:sapbusinessone:Url=http://localhost:50000/b1s/v1;User=username;Password=password;CompanyDB=dbname;InitiateOAuth=GETANDREFRESH

Use the configured JDBC URL to obtain an instance of the DAO interface.The particular method shown below will open a handle bound to the instance, so the instance needs to be closed explicitly to release the handle and the bound JDBC connection.

DBI dbi = new DBI("jdbc:sapbusinessone:Url=http://localhost:50000/b1s/v1;User=username;Password=password;CompanyDB=dbname;InitiateOAuth=GETANDREFRESH"); MyOrdersDAO dao = dbi.open(MyOrdersDAO.class); //do stuff with the DAO dao.close();

SAP Business One Data について

With the connection open to SAP Business One, simply call the previously defined method to retrieve data from the Orders entity in SAP Business One.

//disply the result of our 'find' method String docType = dao.findDocTypeByDocType("dDocument_Items"); System.out.println(docType);

SAP Business One Data の書き方

It is also simple to write data to SAP Business One, using the previously defined method.

//add a new entry to the Orders entity dao.insert(newDocType, newDocType);

Since the JDBI library is able to work with JDBC connections, you can easily produce a SQL Object API for SAP Business One by integrating with the CData JDBC Driver for SAP Business One.Download a free trial and work with live SAP Business One data in custom Java applications today.

 
 
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