1)load jar file
loadjava -r -f -verbose -resolve -user xmlbook/xmlbook xmlparserv2.jar |
2)load class file
loadjava -r -f -user user_name/password[@URL] oracle/AAA/bbb/CCC.class |
3)remove Java classes from the database
dropjava -r -f -user user_name/password[@URL] [option_list] file_list |
4)call Java存储过程
SQL> variable myString varchar2[20]; SQL> call helloworld() into :myString; Call completed. SQL> print myString; MYSTRING --------------------- Hello world |
5)Creating a PL/SQL Wrapper
The syntax for creating this procedure is:
CREATE [OR REPLACE] { PROCEDURE procedure_name [(param[, param ...])] | FUNCTION function_name [(param[, param ...])] RETURN plsql_type]} [AUTHID {DEFINER | CURRENT_USER}] [PARALLEL_ENABLE] [DETERMINISTIC] {IS | AS} LANGUAGE JAVA NAME 'java_method (java_type[, java_type] ...) [RETURN java_type]; |
where param is defined as:
param := parameter_name [IN | OUT | IN OUT] plsql_type |
some details are writen at
http://www.databasejournal.com/books/print.php/10979_2106941_2
6)use jdeveloper IDE to load java class
run->deploy->new deploy profile->general->deploy profiles->load java and java stored procedure
-andresolve Compiles source files and resolves each class file as it is loaded. This option and -resolve are mutually exclusive. If neither is specified, files are loaded but not compiled or resolved. In general, this mode is not recommended because it can leave classes that have unresolved references marked valid, causing an error at runtime. -debug Generates debug information. This option is equivalent to javac -g. -definer Specifies that the methods of uploaded classes will execute with the privileges of their definer, not their invoker. (By default, methods execute with the privileges of their invoker.) Different definers can have different privileges, and an application can have many classes, so make sure the methods of a given class execute only with the privileges they need. Note that Oracle8i Release 8.1.5 does not seem to conform to the Oracle documentation; the default seems to be to run with definer rights. -encoding Sets (or resets) the -encoding option in the database table JAVA$OPTIONS to the specified value, which must be the name of a standard JDK encoding scheme (the default is "latin1"). The compiler uses this value, so the encoding of uploaded source files must match the specified encoding. -force Forces the loading of Java class files, whether or not they have been loaded before. By default, previously loaded class files are rejected. You cannot force the loading of a class file if you previously loaded the source file. You must drop the source schema object first. -grant Grants the EXECUTE privilege on uploaded classes to the listed users or roles. (To call the methods of a class directly, users must have the EXECUTE privilege.) This option is cumulative. Users and roles are added to the list of those having the EXECUTE privilege. To revoke the privilege, either drop and reload the schema object without specifying -grant, or use the SQL REVOKE statement. To grant the privilege on an object in another user's schema, you must have the CREATE PROCEDURE WITH GRANT privilege. -oci8 Directs loadjava to communicate with the database using the OCI JDBC driver. This option (the default) and -thin are mutually exclusive. -oracleresolver Binds newly created class schema objects to the following predefined resolver spec: "((* definer's_schema) (* public))" -resolver are mutually exclusive. -resolve After all class files on the command line are loaded and compiled (if necessary), resolves all external references in those classes. If this option is not specified, files are loaded but not compiled or resolved until runtime. Specify this option to compile (if necessary) and resolve a class that was loaded previously. You need not specify the -force option because resolution is done independently, after loading. -resolver Binds newly created class schema objects to a user-defined resolver spec. Because it contains spaces, the resolver spec must be enclosed by double quotes. This option and -oracleresolver (the default) are mutually exclusive. -schema Assigns newly created Java schema objects to the specified schema. If this option is not specified, then the logon schema is used. You must have the CREATE ANY PROCEDURE privilege to load into another user's schema. -synonym Creates a public synonym for uploaded classes, making them accessible outside the schema into which they are loaded. To specify this option, you must have the CREATE PUBLIC SYNONYM privilege. If you specify this option for source files, it also applies to classes compiled from those source files. -thin Directs loadjava to communicate with the database using the thin JDBC driver. This option and -oci8 (the default) are mutually exclusive. -verbose Enables the verbose mode, in which progress messages are displayed. |