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JReport Designer でElasticsearch Data を連携

JReport Designer でElasticsearch data に連携するチャートとレポートを作成します。

CData JDBC Driver for Elasticsearch を使用すると、Elasticsearch がリレーショナルデータベースであるかのようにダッシュボードやレポートからライブデータにアクセスでき、使い慣れたSQL クエリを使用してElasticsearch data をクエリできます。ここでは、JDBC データソースとしてElasticsearch data に連携し、JReport Designer でElasticsearch data のレポートを作成する方法を説明します。

Elasticsearch Data に接続

  1. Edit C:\JReport\Designer\bin\setenv.bat to add the location of the JAR file to the ADDCLASSPATH variable:
    ...
    set ADDCLASSPATH=%JAVAHOME%\lib\tools.jar;C:\Program Files\CData\CData JDBC Driver for Elasticsearch 2016\lib\cdata.jdbc.elasticsearch.jar;
    ...
    
  2. Create a new data source by clicking File New Data Source.
  3. In the resulting dialog, create a name for the data source (CData JDBC Driver for Elasticsearch), select JDBC, and click OK.
  4. In the Get JDBC Connection Information dialog you will configure your connection to the JDBC driver:
    • Driver:Be sure that the Driver box is checked and fill in the name of the class for the driver: cdata.jdbc.elasticsearch.ElasticsearchDriver
    • URL:Enter the JDBC URL.This starts with jdbc:elasticsearch: and is followed by a semicolon-separated list of connection properties.

      Set the Server and Port connection properties to connect. To authenticate, set the User and Password properties, PKI (public key infrastructure) properties, or both. To use PKI, set the SSLClientCert, SSLClientCertType, SSLClientCertSubject, and SSLClientCertPassword properties.

      The data provider uses X-Pack Security for TLS/SSL and authentication. To connect over TLS/SSL, prefix the Server value with 'https://'. Note: TLS/SSL and client authentication must be enabled on X-Pack to use PKI.

      Once the data provider is connected, X-Pack will then perform user authentication and grant role permissions based on the realms you have configured.

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

      java -jar cdata.jdbc.elasticsearch.jar

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

      When you configure the JDBC URL, you may also want to set the Max Rows connection property.This will limit the number of rows returned, which is especially helpful for improving performance when designing reports and visualizations.

      Below is a typical JDBC URL:

      jdbc:elasticsearch:Server=127.0.0.1;Port=9200;User=admin;Password=123456;
    • User:The username to authenticate with; typically left blank.
    • Password:The password to authenticate with; typically left blank.
  5. In the Add Table dialog, select the tables you wish to include in your report (or in future reports using this data source) and click Add.

    Click Done once the dialog has completed loading the tables.

  6. In the Catalog Browser, you can create the queries that you will use to populate your reports.You can do this now, or after you create your report.In either case, expand () the data source (CData JDBC Driver for Elasticsearch), right-click on Queries, and select Add Query.
  7. In the Add Table/View/Query dialog, expand () the JDBC URL and Tables and select the table(s) you wish to use in the query and click OK.
  8. In the Query Editor dialog, you can select the columns you wish to include or simply click the SQL button and manually input your own query.For example:
    SELECT Orders.Freight, Customers.ContactName FROM Customers INNER JOIN Orders ON Customers.CustomerId=Orders.CustomerId
    

    With the query built, click OK to close the Query Editor dialog.At this point you are ready to add Elasticsearch data to a new or existing report.

    NOTE: Now that the query is built, you can create a Business View based on the query.With a Business View, you can create Web reports or library components based on the query.For more information on this, refer to the JReport tutorials.

レポートにElasticsearch Data を追加

You are now ready to create a report with Elasticsearch data.

  1. Create a new report (File New Page Report) or open the Chart Wizard for an existing report.
  2. Select the Query (or create a new one; see above).
  3. Assign a Category and Value for the chart from the columns in your Query and click Finish.
  4. Click the View tab for your report to see the chart.
 
 
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