de.mguennewig.pobjects
Class Command

java.lang.Object
  de.mguennewig.pobjects.Command

public class Command
extends java.lang.Object

Common base class for command classes.

Each subclass provides exactly one SQL statement which does not return any results over the PObjects interface.

Author:

Michael Günnewig

Constructor Summary

Command(JdbcContainer container, CommandDecl statement)
Creates a new Command.

Method Summary

void	addArguments(java.lang.Object[] args)
int	execute() Executes the command.
int	execute(java.lang.Object[] args) Executes the command with the given set of arguments.
java.lang.Object	getArgument(int idx)
CommandDecl	getCommandDecl()
JdbcContainer	getContainer()
int	getNumArguments()

Methods inherited from class java.lang.Object

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

Constructor Detail

Command

public Command(JdbcContainer container,
               CommandDecl statement)

Creates a new Command.

Method Detail

getContainer

public final JdbcContainer getContainer()

getCommandDecl

public final CommandDecl getCommandDecl()

addArguments

public final void addArguments(java.lang.Object[] args)

Throws:

java.lang.IllegalArgumentException - if null has been passed or the list is not of same size as number of input parameters exist.

See Also:

FormDecl.getNumEntries()

getNumArguments

public final int getNumArguments()

getArgument

public final java.lang.Object getArgument(int idx)

execute

public final int execute()
                  throws PObjSQLException

Executes the command.

Throws:

java.lang.IllegalStateException - if arguments are needed but have not been initialized yet.

PObjSQLException - if any database error occurs.

See Also:

addArguments(Object[])

execute

public final int execute(java.lang.Object[] args)
                  throws PObjSQLException

Executes the command with the given set of arguments.

Throws:

java.lang.IllegalArgumentException - if null has been passed or the list is not of same size as number of input parameters exist.

PObjSQLException - if any database error occurs.

See Also:

addArguments(Object[]), execute()