Class HelperTableEnhancer

java.lang.Object

net.sf.jailer.enhancer.HelperTableEnhancer

All Implemented Interfaces:

ScriptEnhancer

public class HelperTableEnhancer
extends Object
implements ScriptEnhancer

Inserts DDL for helper tables.

Author:

Ralf Wisser

Constructor Summary

Constructors

Constructor	Description
HelperTableEnhancer()

Method Summary

Modifier and Type	Method	Description
void	addComments(Writer script, ScriptType scriptType, Session session, DBMS targetDBMSConfiguration, EntityGraph entityGraph, Set<Table> progress, ExecutionContext executionContext)	Adds nothing.
void	addEpilog(Writer script, ScriptType scriptType, Session session, DBMS targetDBMSConfiguration, EntityGraph entityGraph, Set<Table> progress, ExecutionContext executionContext)	Drops the JL_DUAL helper table at the bottom of the script if it was needed.
void	addProlog(Writer script, ScriptType scriptType, Session session, DBMS targetDBMSConfiguration, EntityGraph entityGraph, Set<Table> progress, ExecutionContext executionContext)	Creates and populates the JL_DUAL helper table at the top of the script if needed.

Methods inherited from class java.lang.Object

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

Constructor Details

HelperTableEnhancer

public HelperTableEnhancer()

Method Details

addComments

public void addComments(Writer script,
 ScriptType scriptType,
 Session session,
 DBMS targetDBMSConfiguration,
 EntityGraph entityGraph,
 Set<Table> progress,
 ExecutionContext executionContext)
                 throws IOException,
SQLException

Adds nothing.

Specified by:

addComments in interface ScriptEnhancer

Parameters:

script - to write into the script

scriptType - the type of the script

session - for executing SQL-statements in the source-DB

targetDBMSConfiguration - configuration of the target DBMS

progress - the export progress

Throws:

IOException

SQLException

addEpilog

public void addEpilog(Writer script,
 ScriptType scriptType,
 Session session,
 DBMS targetDBMSConfiguration,
 EntityGraph entityGraph,
 Set<Table> progress,
 ExecutionContext executionContext)
               throws IOException,
SQLException

Drops the JL_DUAL helper table at the bottom of the script if it was needed.

Specified by:

addEpilog in interface ScriptEnhancer

Parameters:

script - to write into the script

scriptType - the type of the script

session - for executing SQL-statements in the source-DB

targetDBMSConfiguration - configuration of the target DBMS

progress - the export progress

Throws:

IOException

SQLException

addProlog

public void addProlog(Writer script,
 ScriptType scriptType,
 Session session,
 DBMS targetDBMSConfiguration,
 EntityGraph entityGraph,
 Set<Table> progress,
 ExecutionContext executionContext)
               throws IOException,
SQLException

Creates and populates the JL_DUAL helper table at the top of the script if needed.

Specified by:

addProlog in interface ScriptEnhancer

Parameters:

script - to write into the script

scriptType - the type of the script

session - for executing SQL-statements in the source-DB

targetDBMSConfiguration - configuration of the target DBMS

progress - the export progress

Throws:

IOException

SQLException