Using Custom Java code in ODI
2017-03-07 10:10
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在ODI中调用jar包java方法的过程如下:
代码写hello world字符串到一个文件。
如果引入了其他的jar包,则选择导出Runnable JAR file类型
javac 编译 jar打包
根据执行的逻辑代理的不同,复制jar包到不同的位置
方法一: 复制生成的jar包到
方法三: 任意路径,但在 C:\Users\<user-name>\AppData\Roaming\odi\oracledi\userlib\additional_path.txt 中指定
复制jar包到 data/Oracle/Middleware/Oracle_Home/user_projects/domains/odi_dev_domain/lib目录,需要重新启动ODI_Server
复制jar到某个目录,后面在调用的时候使用下面的代码指定该位置。复制jar包到上面位置
linux下
windows下
建议:开发的时候使用此方法,可以节省重启ODI_Server的时间。并且避免缓存对开发测试造成的影响。等测试优化完成后,可以使用第三种方法。
windows下代码
]
for jar in jars:
sys.path.append(jar)[/code]
linux下代码
http://karanbalkar.com/2013/06/tutorial-33-using-custom-java-code-in-odi/
http://shrikantdhagefmw.blogspot.com/2014/05/invoking-jar-in-oracle-data-integrator.html
http://askankit.blogspot.com/2010/09/call-java-jar-methods-from-odi.html
1、编写Java代码如下
代码写hello world字符串到一个文件。package odi; import java.io.File; import java.io.FileOutputStream; import java.io.OutputStream; public class HelloWorld { public static void Write_File_Windows() throws Exception { // 1、通过File找到一个文件 File file = new File("D:" + File.separator + "temp.txt"); // 2、实例化OutputStream对象 OutputStream out = new FileOutputStream(file); String info = "Hello World!!!"; // 要输出的字符串 byte data[] = info.getBytes();// 将字符串变为字节数组 out.write(data); // 输出内容 out.close(); } public static void Write_File_Linux() throws Exception { // 1、通过File找到一个文件 File file = new File("/home/oracle/temp.txt"); // 2、实例化OutputStream对象 OutputStream out = new FileOutputStream(file); String info = "Hello World!!!"; // 要输出的字符串 byte data[] = info.getBytes();// 将字符串变为字节数组 out.write(data); // 输出内容 out.close(); } }
2、生成Jar包
2.1 方法一 直接导出Jar包
如果引入了其他的jar包,则选择导出Runnable JAR file类型
2.2 方法二 手工编译并打包成jar包
javac 编译 jar打包>javac f876 HelloWorld.java >jar cvf HelloWorld.jar odi
三、复制生成的jar包到指定的目录
根据执行的逻辑代理的不同,复制jar包到不同的位置
3.1 使用本地Agent执行的时候(以window为例)
方法一: 复制生成的jar包到 C:\Users\<user-name>\AppData\Roaming\odi\oracledi\userlib
方法二: 复制生成的jar包到E:\ODI12C\Middleware\Oracle_Home\odi\sdk\lib
方法三: 任意路径,但在 C:\Users\<user-name>\AppData\Roaming\odi\oracledi\userlib\additional_path.txt 中指定
; Additional paths file ; You can add here paths to additional libraries ; Examples: ; C:\ java\libs\myjar.jar ; C:\ java\libs\myzip.zip ; C:\java\libs\*.jar will add all jars contained in the C:\java\libs\ directory ; C:\java\libs\**\*.jar will add all jars contained in the C:\java\libs\ directory and subdirectories D:\*.jar
3.2 使用配置的远程Agent(以Linux为例)
复制jar包到 data/Oracle/Middleware/Oracle_Home/user_projects/domains/odi_dev_domain/lib目录,需要重新启动ODI_Server
3.3 通用办法
复制jar到某个目录,后面在调用的时候使用下面的代码指定该位置。复制jar包到上面位置 ,在调用时无需下面的代码。
linux下
jars = [ "/data/script/HelloWorld.jar" ] for jar in jars: sys.path.append(jar)
windows下
jars = [ "D:\HelloWorld.jar" ] for jar in jars: sys.path.append(jar)
建议:开发的时候使用此方法,可以节省重启ODI_Server的时间。并且避免缓存对开发测试造成的影响。等测试优化完成后,可以使用第三种方法。
4、启动ODI,新建过程调用jar
windows下代码
import os import sys
jars = [ "[code]C:\Users\xqzt\AppData\Roaming\odi\oracledi\userlib\HelloWorld.jar"
]
for jar in jars:
sys.path.append(jar)[/code]
from odi import HelloWorld hw=HelloWorld() hw.Write_File_Windows()
linux下代码
import os import sys
jars = [
"/home/oracle/.odi/oracledi/userlib/HelloWorld.jar"
]
for jar in jars:
sys.path.append(jar)
from odi import HelloWorld
hw=HelloWorld()
hw.Write_File_Linux()
4、运行并验证过程
参考:
http://karanbalkar.com/2013/06/tutorial-33-using-custom-java-code-in-odi/http://shrikantdhagefmw.blogspot.com/2014/05/invoking-jar-in-oracle-data-integrator.html
http://askankit.blogspot.com/2010/09/call-java-jar-methods-from-odi.html
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