Class ShellScriptBasedStatisticRenovator

java.lang.Object

net.sf.jailer.database.ShellScriptBasedStatisticRenovator

All Implemented Interfaces:

StatisticRenovator

Direct Known Subclasses:

DB2ShellScriptBasedStatisticRenovator

public class ShellScriptBasedStatisticRenovator
extends Object
implements StatisticRenovator

Renews the DB table statistics for the working-tables by executing a shell-script.

Author:

Ralf Wisser

Constructor Summary

Constructors

Constructor	Description
ShellScriptBasedStatisticRenovator(String scriptInvocation)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected String	getScriptInvocation(Session session)	Gets shell-invocation.
void	renew(Session session, ExecutionContext executionContext)	Renews the DB table statistics for the working-tables by executing the shell-script.

Methods inherited from class java.lang.Object

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

Constructor Details

ShellScriptBasedStatisticRenovator

public ShellScriptBasedStatisticRenovator(String scriptInvocation)

Constructor.

Parameters:

scriptInvocation - invocation of the script-file

Method Details

renew

public void renew(Session session,
 ExecutionContext executionContext)
           throws Exception

Renews the DB table statistics for the working-tables by executing the shell-script.

Specified by:

renew in interface StatisticRenovator

Parameters:

session - for execution of SQL-statements

executionContext - the execution context

Throws:

Exception

getScriptInvocation

protected String getScriptInvocation(Session session)
                              throws Exception

Gets shell-invocation.

Parameters:

session - for execution of SQL-statements

Returns:

shell-invocation

Throws:

Exception