Module org.seasar.doma.core

Package org.seasar.doma.jdbc.command

Class FunctionCommand<RESULT>

java.lang.Object

org.seasar.doma.jdbc.command.ModuleCommand<FunctionQuery<RESULT>,RESULT>

org.seasar.doma.jdbc.command.FunctionCommand<RESULT>

Type Parameters:

RESULT - the result type

All Implemented Interfaces:

Command<RESULT>

public class FunctionCommand<RESULT>
extends ModuleCommand<FunctionQuery<RESULT>,RESULT>

A command that executes a database function.

This command returns the result of the function execution. The result is obtained from the query object after executing the function and fetching output parameters.

Field Summary

Fields inherited from class org.seasar.doma.jdbc.command.ModuleCommand

query, sql

Constructor Summary

Constructors

Constructor	Description
FunctionCommand(FunctionQuery<RESULT> query)	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
protected RESULT	executeInternal(CallableStatement callableStatement)	Executes the database function.

Methods inherited from class org.seasar.doma.jdbc.command.ModuleCommand

bindParameters, execute, fetchParameters, getQuery, log, setupOptions

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FunctionCommand

public FunctionCommand(FunctionQuery<RESULT> query)

Creates a new instance.

Parameters:

query - the query to execute

Method Details

executeInternal

protected RESULT executeInternal(CallableStatement callableStatement)
                          throws SQLException

Executes the database function.

Specified by:

executeInternal in class ModuleCommand<FunctionQuery<RESULT>,RESULT>

Parameters:

callableStatement - the statement to execute

Returns:

the result of the function execution

Throws:

SQLException - if a database access error occurs