使用rosetta包調用plsql

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1.       首先我們需要下載到 rosetta 包和相應的 classes12.jar 包進行程序的編譯 .

Rosetta is Oracle's internal tool and Oracle does not ship it to customers.

2.       rosetta 包解壓並將 classes12.jar 放入 rosetta 包中。路徑結構如:

D:/rosetta/Rosetta.zip D:/rosetta/ classes12.jar

3.       Cmd 進入命令行模式 .cd 到放置 plsql procedure 頭定義的相應的包目錄下如 :

D:/rosetta   procedure 頭定義文件爲 trn_wip_progress_pkg.pls

4.       輸入如下命令:

Java –classpath d:/rosetta/classes12.jar;d:/rosetta/Rosetta.zip Rosetta –bc4j trn_wip_progress_pkg.pls –genrecs –package hand.oracle.apps.wip.project.progress.rosetta

首先是加入 classpath, 然後是 mode 我們使用的是 bc4j 然後是文件名

-package <javaPackageName>: defines a Java package name for the generated

-genrecs: in -java and -bc4j mode, forces the generation of record classes

for any records declared in the given PL/SQL packages, even if we don't

see the record being used as a procedure parameter type.  This is the default behavior in -bc4j mode.

5.       會生成一下三個文件

trn_wip_progress_pkg_w.pkb trn_wip_progress_pkg_w.pks TrnWipProgressPkg.java

6.       將產生的包定義及包實現編譯進數據庫。導入 java 文件使用方法進行 pl/sql 包中的程序並返回結果 .

 

動態創建 VO 代碼

1. 設置 VO SQL ,及相應的 CLASS

        OADBTransaction txn = getOADBTransaction();

        OAViewDef viewDef  =txn.createViewDef();

// 設置創建 VO SQL

        viewDef.setSql(stmt[0]);

// 設置爲 true 表示創建 VO 使用的是專家模式 (FULL SQL)VO 的創建完全依賴與 SQL 字符串

If you provide the complete non-empty query string with setSql(String sql) or setQuery(String query) , set Expert Mode to true .

        viewDef.setExpertMode(true);

        viewDef.setViewObjectClass("oracle.apps.fnd.framework.server.OAViewObjectImpl");

        viewDef.setViewRowClass("oracle.apps.fnd.framework.server.OAViewRowImpl");

2. 使用 addSqlDerivedAttrDef (String  voAttrName, String  columnName, String  javaType, int sqlType, boolean notNull, boolean queriable, byte updateable) 進行 VO 屬性與對應 SQL COL 的關聯。

3. 創建 VO

OAViewObject vo = (OAViewObject)createViewObject("ProjectProgressVO2",viewDef);

 

高級 TABLE 的動態添加

OAAdvancedTableBean entityTbl=(OAAdvancedTableBean)webBean.findIndexedChildRecursive("ProjectProgressRN");

entityTbl.setViewUsageName("ProjectProgressVO2");

OAColumnGroupBean  

columnGroupBean= (OAColumnGroupBean)entityTbl.findChildRecursive("WipGroup");

for(int i=0;i<column_count[0].intValue();i++)

{

  OAColumnBean groupColumn= (OAColumnBean)createWebBean(pageContext, COLUMN_BEAN, null, ("WipQuantityCol"+Integer.toString(i)));

  OASortableHeaderBean columnHeader   = (OASortableHeaderBean)createWebBean(pageContext, SORTABLE_HEADER_BEAN, null, ("WipQuantity"+Integer.toString(i)+"Hdr"));

 

  columnHeader.setText(columns_tbl[0][i]);

  columnHeader.setSortable(true);

  groupColumn.setColumnHeader(columnHeader);

  columnGroupBean.addIndexedChild(groupColumn);

 

  OAMessageStyledTextBean columnLeaf  = (OAMessageStyledTextBean)createWebBean(pageContext, MESSAGE_STYLED_TEXT_BEAN, null, ("WipQuantity"+Integer.toString(i)));

 

  columnLeaf.setViewAttributeName(columns_tbl[0][i]);

  groupColumn.addIndexedChild(columnLeaf);

}

 

Example of call pl/sql in java:

As an example of using Oracle syntax, here is a PL/SQL code snippet that creates a stored function. The PL/SQL function gets a character sequence and concatenates a suffix to it:

create or replace function foo (val1 char)

return char as

begin

   return val1 || 'suffix';

end;

The function invocation in your JDBC program should look like:

OracleDataSource ods = new OracleDataSource();

ods.setURL("jdbc:oracle:oci:@<hoststring>");

ods.setUser("scott");

ods.setPassword("tiger");

Connection conn = ods.getConnection();

 

CallableStatement cs = conn.prepareCall ("begin ? := foo(?); end;");

cs.registerOutParameter(1,Types.CHAR);

cs.setString(2, "aa");

cs.executeUpdate();

String result = cs.getString(1);

 

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