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

JDBI でSharePoint 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 SharePoint は、Java アプリケーションとリアルタイムSharePoint 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、SharePoint 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SharePoint 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。

SharePoint MyCustomList 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 MyMyCustomListDAO { //insert new data into SharePoint @SqlUpdate("INSERT INTO MyCustomList (Location, Revenue) values (:location, :revenue)") void insert(@Bind("location") String location, @Bind("revenue") String revenue); //request specific data from SharePoint (String type is used for simplicity) @SqlQuery("SELECT Revenue FROM MyCustomList WHERE Location = :location") String findRevenueByLocation(@Bind("location") String location); /* * close with no args is used to close the connection */ void close(); }

SharePoint への接続を開く

Collect the necessary connection properties and construct the appropriate JDBC URL for connecting to SharePoint.

Set the URL property to the base SharePoint site or to a sub-site. This allows you to query any lists and other SharePoint entities defined for the site or sub-site.

The User and Password properties, under the Authentication section, must be set to valid SharePoint user credentials when using SharePoint On-Premise.

If you are connecting to SharePoint Online, set the SharePointEdition to SHAREPOINTONLINE along with the User and Password connection string properties. For more details on connecting to SharePoint Online, see the "Getting Started" chapter of the help documentation

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 SharePoint JDBC Driver.Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.sharepoint.jar

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

A connection string for SharePoint will typically look like the following:

jdbc:sharepoint:User=myuseraccount;Password=mypassword;Auth Scheme=NTLM;URL=http://sharepointserver/mysite;SharePointEdition=SharePointOnPremise;

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:sharepoint:User=myuseraccount;Password=mypassword;Auth Scheme=NTLM;URL=http://sharepointserver/mysite;SharePointEdition=SharePointOnPremise;"); MyMyCustomListDAO dao = dbi.open(MyMyCustomListDAO.class); //do stuff with the DAO dao.close();

SharePoint Data について

With the connection open to SharePoint, simply call the previously defined method to retrieve data from the MyCustomList entity in SharePoint.

//disply the result of our 'find' method String revenue = dao.findRevenueByLocation("Chapel Hill"); System.out.println(revenue);

SharePoint Data の書き方

It is also simple to write data to SharePoint, using the previously defined method.

//add a new entry to the MyCustomList entity dao.insert(newLocation, newRevenue);

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

 
 
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