Migration bug?
Am using Wonder Project migration for the first time. The initial database
creation works but am now trying to add a single column as the second revision
of the database. When running application am getting error as follows:
Jan 02 17:13:28 TheApp[53817] INFO er.extensions.jdbc.ERXJDBCUtilities -
Executing alter table t_position null c_abbreviation longtext NOT NULL
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - evaluateExpression:
com.webobjects.jdbcadaptor.MySQLPlugIn$MySQLExpression: UPDATE _dbupdater SET
lockowner = NULL, updatelock = ? WHERE modelname = ? withBindings:
1:0(updateLock), 2:MockDraft(modelName)
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal Transaction
Jan 02 17:14:20 TheApp[53817] DEBUG NSLog - === Rollback Internal Transaction
Jan 02 17:14:36 TheApp[53817] ERROR er.extensions.appserver.ERXApplication -
TheApp failed to start.
MySQLSyntaxErrorException: You have an error in your SQL syntax; check the
manual that corresponds to your MySQL server version for the right syntax to
use near 'null c_abbreviation longtext NOT NULL' at line 1
The database is mysql, and it seems to me that the alter statement is incorrect
on the first line of the log, there should be 'add column' rather than 'null'.
The migration class is as follows:
public class DbVersion1 extends Migration {
@Override
public void downgrade(EOEditingContext ec, ERXMigrationDatabase
database)
throws Throwable {
database.existingTableNamed(t_position).existingColumnNamed(c_abbreviation).delete();
}
@Override
public void upgrade(EOEditingContext ec, ERXMigrationDatabase database)
throws Throwable {
ERXMigrationTable table =
database.existingTableNamed(t_position);
table.newStringColumn(c_abbreviation, false, );
}
}
The new column is using the varchar10 prototype. Am stuck as can't see why the
sql is being generated incorrectly. Anyone have any ideas?
Thanks
Mark
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Re: Migration bug?
WO 5.4 breaks sql generation ... you need to use the custom mysql plugin that
has been posted on the wonder list.
ms
On Jan 2, 2010, at 12:23 PM, Mark Woollard wrote:
Am using Wonder Project migration for the first time. The initial database
creation works but am now trying to add a single column as the second
revision of the database. When running application am getting error as
follows:
Jan 02 17:13:28 TheApp[53817] INFO er.extensions.jdbc.ERXJDBCUtilities -
Executing alter table t_position null c_abbreviation longtext NOT NULL
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - evaluateExpression:
com.webobjects.jdbcadaptor.MySQLPlugIn$MySQLExpression: UPDATE _dbupdater
SET lockowner = NULL, updatelock = ? WHERE modelname = ? withBindings:
1:0(updateLock), 2:MockDraft(modelName)
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal Transaction
Jan 02 17:14:20 TheApp[53817] DEBUG NSLog - === Rollback Internal
Transaction
Jan 02 17:14:36 TheApp[53817] ERROR er.extensions.appserver.ERXApplication -
TheApp failed to start.
MySQLSyntaxErrorException: You have an error in your SQL syntax; check the
manual that corresponds to your MySQL server version for the right syntax to
use near 'null c_abbreviation longtext NOT NULL' at line 1
The database is mysql, and it seems to me that the alter statement is
incorrect on the first line of the log, there should be 'add column' rather
than 'null'. The migration class is as follows:
public class DbVersion1 extends Migration {
@Override
public void downgrade(EOEditingContext ec, ERXMigrationDatabase
database)
throws Throwable {
database.existingTableNamed(t_position).existingColumnNamed(c_abbreviation).delete();
}
@Override
public void upgrade(EOEditingContext ec, ERXMigrationDatabase database)
throws Throwable {
ERXMigrationTable table =
database.existingTableNamed(t_position);
table.newStringColumn(c_abbreviation, false, );
}
}
The new column is using the varchar10 prototype. Am stuck as can't see why
the sql is being generated incorrectly. Anyone have any ideas?
Thanks
Mark
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Re: Migration bug?
Before we go any further, are you using WO5.4 and MySQL without using Ramsey's
MySQL plugin?
http://issues.objectstyle.org/jira/browse/WONDER-339
On 2010-01-02, at 12:23 PM, Mark Woollard wrote:
Am using Wonder Project migration for the first time. The initial database
creation works but am now trying to add a single column as the second
revision of the database. When running application am getting error as
follows:
Jan 02 17:13:28 TheApp[53817] INFO er.extensions.jdbc.ERXJDBCUtilities -
Executing alter table t_position null c_abbreviation longtext NOT NULL
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - evaluateExpression:
com.webobjects.jdbcadaptor.MySQLPlugIn$MySQLExpression: UPDATE _dbupdater
SET lockowner = NULL, updatelock = ? WHERE modelname = ? withBindings:
1:0(updateLock), 2:MockDraft(modelName)
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal Transaction
Jan 02 17:14:20 TheApp[53817] DEBUG NSLog - === Rollback Internal
Transaction
Jan 02 17:14:36 TheApp[53817] ERROR er.extensions.appserver.ERXApplication -
TheApp failed to start.
MySQLSyntaxErrorException: You have an error in your SQL syntax; check the
manual that corresponds to your MySQL server version for the right syntax to
use near 'null c_abbreviation longtext NOT NULL' at line 1
The database is mysql, and it seems to me that the alter statement is
incorrect on the first line of the log, there should be 'add column' rather
than 'null'. The migration class is as follows:
public class DbVersion1 extends Migration {
@Override
public void downgrade(EOEditingContext ec, ERXMigrationDatabase
database)
throws Throwable {
database.existingTableNamed(t_position).existingColumnNamed(c_abbreviation).delete();
}
@Override
public void upgrade(EOEditingContext ec, ERXMigrationDatabase database)
throws Throwable {
ERXMigrationTable table =
database.existingTableNamed(t_position);
table.newStringColumn(c_abbreviation, false, );
}
}
The new column is using the varchar10 prototype. Am stuck as can't see why
the sql is being generated incorrectly. Anyone have any ideas?
Thanks
Mark
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Re: Migration bug?
Thanks - thats it - plugin fixes problem
Mark
On 2 Jan 2010, at 17:29, Mike Schrag wrote:
WO 5.4 breaks sql generation ... you need to use the custom mysql plugin that
has been posted on the wonder list.
ms
On Jan 2, 2010, at 12:23 PM, Mark Woollard wrote:
Am using Wonder Project migration for the first time. The initial database
creation works but am now trying to add a single column as the second
revision of the database. When running application am getting error as
follows:
Jan 02 17:13:28 TheApp[53817] INFO er.extensions.jdbc.ERXJDBCUtilities -
Executing alter table t_position null c_abbreviation longtext NOT NULL
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - evaluateExpression:
com.webobjects.jdbcadaptor.MySQLPlugIn$MySQLExpression: UPDATE _dbupdater
SET lockowner = NULL, updatelock = ? WHERE modelname = ? withBindings:
1:0(updateLock), 2:MockDraft(modelName)
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal Transaction
Jan 02 17:14:20 TheApp[53817] DEBUG NSLog - === Rollback Internal
Transaction
Jan 02 17:14:36 TheApp[53817] ERROR er.extensions.appserver.ERXApplication
- TheApp failed to start.
MySQLSyntaxErrorException: You have an error in your SQL syntax; check the
manual that corresponds to your MySQL server version for the right syntax to
use near 'null c_abbreviation longtext NOT NULL' at line 1
The database is mysql, and it seems to me that the alter statement is
incorrect on the first line of the log, there should be 'add column' rather
than 'null'. The migration class is as follows:
public class DbVersion1 extends Migration {
@Override
public void downgrade(EOEditingContext ec, ERXMigrationDatabase
database)
throws Throwable {
database.existingTableNamed(t_position).existingColumnNamed(c_abbreviation).delete();
}
@Override
public void upgrade(EOEditingContext ec, ERXMigrationDatabase database)
throws Throwable {
ERXMigrationTable table =
database.existingTableNamed(t_position);
table.newStringColumn(c_abbreviation, false, );
}
}
The new column is using the varchar10 prototype. Am stuck as can't see why
the sql is being generated incorrectly. Anyone have any ideas?
Thanks
Mark
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Re: Migration bug?
On Jan 2, 2010, at 10:18 AM, Mark Woollard wrote:
Thanks - thats it - plugin fixes problem
Mark
It occurs to me that we can have ERXApplication, at
applicationDidLaunch time or thereabouts, check (1) are your models
using MySQL? and (2) are you using 5.3 or 5.4? and then we could
switch the plugin in the connection dictionary of the loaded models.
Or is this a road we might not want to start going down?
- ray
On 2 Jan 2010, at 17:29, Mike Schrag wrote:
WO 5.4 breaks sql generation ... you need to use the custom mysql
plugin that has been posted on the wonder list.
ms
On Jan 2, 2010, at 12:23 PM, Mark Woollard wrote:
Am using Wonder Project migration for the first time. The initial
database creation works but am now trying to add a single column
as the second revision of the database. When running application
am getting error as follows:
Jan 02 17:13:28 TheApp[53817] INFO
er.extensions.jdbc.ERXJDBCUtilities - Executing alter table
t_position null c_abbreviation longtext NOT NULL
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal
Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal
Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - evaluateExpression:
com.webobjects.jdbcadaptor.MySQLPlugIn$MySQLExpression: UPDATE
_dbupdater SET lockowner = NULL, updatelock = ? WHERE modelname
= ? withBindings: 1:0(updateLock), 2:MockDraft(modelName)
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal
Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal
Transaction
Jan 02 17:14:20 TheApp[53817] DEBUG NSLog - === Rollback
Internal Transaction
Jan 02 17:14:36 TheApp[53817] ERROR
er.extensions.appserver.ERXApplication - TheApp failed to start.
MySQLSyntaxErrorException: You have an error in your SQL syntax;
check the manual that corresponds to your MySQL server version for
the right syntax to use near 'null c_abbreviation longtext NOT
NULL' at line 1
The database is mysql, and it seems to me that the alter statement
is incorrect on the first line of the log, there should be 'add
column' rather than 'null'. The migration class is as follows:
public class DbVersion1 extends Migration {
@Override
public void downgrade(EOEditingContext ec, ERXMigrationDatabase
database)
throws Throwable {
database
.existingTableNamed
(t_position).existingColumnNamed(c_abbreviation).delete();
}
@Override
public void upgrade(EOEditingContext ec, ERXMigrationDatabase
database)
throws Throwable {
ERXMigrationTable table =
database.existingTableNamed(t_position);
table.newStringColumn(c_abbreviation, false, );
}
}
The new column is using the varchar10 prototype. Am stuck as can't
see why the sql is being generated incorrectly. Anyone have any
ideas?
Thanks
Mark
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Re: Migration bug?
One problem is that this plugin may only build under 5.4. Which is
why it has not yet been added to Wonder.
On Jan 2, 2010, at 2:01 PM, Ray Kiddy wrote:
On Jan 2, 2010, at 10:18 AM, Mark Woollard wrote:
Thanks - thats it - plugin fixes problem
Mark
It occurs to me that we can have ERXApplication, at
applicationDidLaunch time or thereabouts, check (1) are your models
using MySQL? and (2) are you using 5.3 or 5.4? and then we could
switch the plugin in the connection dictionary of the loaded models.
Or is this a road we might not want to start going down?
- ray
On 2 Jan 2010, at 17:29, Mike Schrag wrote:
WO 5.4 breaks sql generation ... you need to use the custom mysql
plugin that has been posted on the wonder list.
ms
On Jan 2, 2010, at 12:23 PM, Mark Woollard wrote:
Am using Wonder Project migration for the first time. The initial
database creation works but am now trying to add a single column
as the second revision of the database. When running application
am getting error as follows:
Jan 02 17:13:28 TheApp[53817] INFO
er.extensions.jdbc.ERXJDBCUtilities - Executing alter table
t_position null c_abbreviation longtext NOT NULL
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal
Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal
Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - evaluateExpression:
com.webobjects.jdbcadaptor.MySQLPlugIn$MySQLExpression: UPDATE
_dbupdater SET lockowner = NULL, updatelock = ? WHERE modelname
= ? withBindings: 1:0(updateLock), 2:MockDraft(modelName)
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal
Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal
Transaction
Jan 02 17:14:20 TheApp[53817] DEBUG NSLog - === Rollback
Internal Transaction
Jan 02 17:14:36 TheApp[53817] ERROR
er.extensions.appserver.ERXApplication - TheApp failed to start.
MySQLSyntaxErrorException: You have an error in your SQL syntax;
check the manual that corresponds to your MySQL server version
for the right syntax to use near 'null c_abbreviation longtext
NOT NULL' at line 1
The database is mysql, and it seems to me that the alter
statement is incorrect on the first line of the log, there should
be 'add column' rather than 'null'. The migration class is as
follows:
public class DbVersion1 extends Migration {
@Override
public void downgrade(EOEditingContext ec, ERXMigrationDatabase
database)
throws Throwable {
database
.existingTableNamed
(t_position).existingColumnNamed(c_abbreviation).delete();
}
@Override
public void upgrade(EOEditingContext ec, ERXMigrationDatabase
database)
throws Throwable {
ERXMigrationTable table =
database.existingTableNamed(t_position);
table.newStringColumn(c_abbreviation, false, );
}
}
The new column is using the varchar10 prototype. Am stuck as
can't see why the sql is being generated incorrectly. Anyone have
any ideas?
Thanks
Mark
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Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
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Re: Migration bug?
On Jan 2, 2010, at 4:31 PM, Chuck Hill wrote:
One problem is that this plugin may only build under 5.4. Which is
why it has not yet been added to Wonder.
The ant build system knows whether the environment it is in is running
5.4 or 5.3. Or it easily could. The variables exist. They may need to
plugged into the targets.
I assume the Maven and eclipse build environments do or can know the
WO version also.
Is there a build system where this is known to be a problem? I can pre-
flight the changes to the ant build system to enable conditional
builds of the plugin and we'll see.
cheers - ray
On Jan 2, 2010, at 2:01 PM, Ray Kiddy wrote:
On Jan 2, 2010, at 10:18 AM, Mark Woollard wrote:
Thanks - thats it - plugin fixes problem
Mark
It occurs to me that we can have ERXApplication, at
applicationDidLaunch time or thereabouts, check (1) are your models
using MySQL? and (2) are you using 5.3 or 5.4? and then we could
switch the plugin in the connection dictionary of the loaded models.
Or is this a road we might not want to start going down?
- ray
On 2 Jan 2010, at 17:29, Mike Schrag wrote:
WO 5.4 breaks sql generation ... you need to use the custom mysql
plugin that has been posted on the wonder list.
ms
On Jan 2, 2010, at 12:23 PM, Mark Woollard wrote:
Am using Wonder Project migration for the first time. The
initial database creation works but am now trying to add a
single column as the second revision of the database. When
running application am getting error as follows:
Jan 02 17:13:28 TheApp[53817] INFO
er.extensions.jdbc.ERXJDBCUtilities - Executing alter table
t_position null c_abbreviation longtext NOT NULL
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit
Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal
Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog -
evaluateExpression: com.webobjects.jdbcadaptor.MySQLPlugIn
$MySQLExpression: UPDATE _dbupdater SET lockowner = NULL,
updatelock = ? WHERE modelname = ? withBindings:
1:0(updateLock), 2:MockDraft(modelName)
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit
Internal Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal
Transaction
Jan 02 17:14:20 TheApp[53817] DEBUG NSLog - === Rollback
Internal Transaction
Jan 02 17:14:36 TheApp[53817] ERROR
er.extensions.appserver.ERXApplication - TheApp failed to start.
MySQLSyntaxErrorException: You have an error in your SQL syntax;
check the manual that corresponds to your MySQL server version
for the right syntax to use near 'null c_abbreviation longtext
NOT NULL' at line 1
The database is mysql, and it seems to me that the alter
statement is incorrect on the first line of the log, there
should be 'add column' rather than 'null'. The migration class
is as follows:
public class DbVersion1 extends Migration {
@Override
public void downgrade(EOEditingContext ec, ERXMigrationDatabase
database)
throws Throwable {
database
.existingTableNamed
(t_position).existingColumnNamed(c_abbreviation).delete();
}
@Override
public void upgrade(EOEditingContext ec, ERXMigrationDatabase
database)
throws Throwable {
ERXMigrationTable table =
database.existingTableNamed(t_position);
table.newStringColumn(c_abbreviation, false, );
}
}
The new column is using the varchar10 prototype. Am stuck as
can't see why the sql is being generated incorrectly. Anyone
have any ideas?
Thanks
Mark
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Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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Re: Migration bug?
One problem is that this plugin may only build under 5.4. Which is why it has not yet been added to Wonder. The ant build system knows whether the environment it is in is running 5.4 or 5.3. Or it easily could. The variables exist. They may need to plugged into the targets. I assume the Maven and eclipse build environments do or can know the WO version also. Is there a build system where this is known to be a problem? I can pre-flight the changes to the ant build system to enable conditional builds of the plugin and we'll see. cheers - ray it needs to build on both 5.3 and 5.4. i really don't want random pieces of wonder that only exist in 5.4. it will only make it confusing for people. ms ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Another newbie question
I have a component (java/html/api/woo/wod) and want to create a derived component that specialises some of the java functionality, but doesn't need to modify the html of the base component. I can't figure out how to get the derived component to return the base class html since the derived classes just extend the java class. Thanks Mark ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Another newbie question
Hi Mark; If I understand you correctly, I would typically create smaller re-usable components to put into two different larger components. cheers. I have a component (java/html/api/woo/wod) and want to create a derived component that specialises some of the java functionality, but doesn't need to modify the html of the base component. I can't figure out how to get the derived component to return the base class html since the derived classes just extend the java class. ___ Andrew Lindesay www.lindesay.co.nz ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Another newbie question
Maybe expanding will make things clearer... There is a base component FieldEditor which does in-place editing using the AjaxInPlace component + 2 ERXWOTemplate instances for the edit and view modes. I then am wanting to derive from this to create StringFieldEditor / IntegerFieldEditor / etc that specialize the java to provide view and edit values in different ways as required. The html in FieldEditor component doesn't need to change, and it doesn't make sense to me to have multiple copies in the derived classes. What I'd like to happen is the base class html be used and the overridden getter methods in the derived java class provide the data for display. Is this an approach that applicable to WO? If not how would this be approached to limit duplication of code / html? Thanks Mark On 3 Jan 2010, at 02:04, Andrew Lindesay wrote: Hi Mark; If I understand you correctly, I would typically create smaller re-usable components to put into two different larger components. cheers. I have a component (java/html/api/woo/wod) and want to create a derived component that specialises some of the java functionality, but doesn't need to modify the html of the base component. I can't figure out how to get the derived component to return the base class html since the derived classes just extend the java class. ___ Andrew Lindesay www.lindesay.co.nz ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Another newbie question
Hi Mark,
This not part of WO, possibly due to concerns about efficiency and
optimization (see JavaDoc below). You can add a method to your
component (or better, to a custom super class) to achieve this:
/**
* Allows a component to inherit the template (.html and .wod
files) from another component.
* pUsage:/p
* pre
* public WOElement template() {
* return inheritTemplateFrom(AddAddress, CoreUI);
* }
* /pre
* This very simple implementation does have some limitations:
* ol
* liIt can't he used to inherit the template of another
component inheriting a template./li
* liIt can't handle having two components with the same name
in different packages/li
* liIt does not use WO template caching/li
* /ol
*
* @see com.webobjects.appserver.WOComponent#template()
*
* @param componentName the name of the component whose template
will be inherited
* @param frameworkName name of the framework the component is
in, or null if in the application
* @return the template form the indicated component
*/
public WOElement inheritTemplateFrom(String componentName, String
frameworkName)
{
String componentPath = componentName + .wo/ + componentName
+ .;
String htmlString =
ResourceManagerAdditions.stringFromResource(componentPath + html,
null, session().languages());
String wodString =
ResourceManagerAdditions.stringFromResource(componentPath + wod,
null, session().languages());
return WOComponent.templateWithHTMLString(htmlString,
wodString, session().languages());
}
Enjoy!
Chuck
On Jan 2, 2010, at 6:20 PM, Mark Woollard wrote:
Maybe expanding will make things clearer...
There is a base component FieldEditor which does in-place editing
using the AjaxInPlace component + 2 ERXWOTemplate instances for the
edit and view modes. I then am wanting to derive from this to create
StringFieldEditor / IntegerFieldEditor / etc that specialize the
java to provide view and edit values in different ways as required.
The html in FieldEditor component doesn't need to change, and it
doesn't make sense to me to have multiple copies in the derived
classes. What I'd like to happen is the base class html be used and
the overridden getter methods in the derived java class provide the
data for display. Is this an approach that applicable to WO? If not
how would this be approached to limit duplication of code / html?
Thanks
Mark
On 3 Jan 2010, at 02:04, Andrew Lindesay wrote:
Hi Mark;
If I understand you correctly, I would typically create smaller re-
usable components to put into two different larger components.
cheers.
I have a component (java/html/api/woo/wod) and want to create a
derived component that specialises some of the java functionality,
but doesn't need to modify the html of the base component. I can't
figure out how to get the derived component to return the base
class html since the derived classes just extend the java class.
___
Andrew Lindesay
www.lindesay.co.nz
___
Do not post admin requests to the list. They will be ignored.
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This email sent to ch...@global-village.net
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
___
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Re: Another newbie question
Hello Mark; Could you use a java.text.Format subclass and bind this into the FieldEditor component using a format binding to provide for the differing parser/formatter -- much in the fashion by which WOTextField works? cheers. There is a base component FieldEditor which does in-place editing using the AjaxInPlace component + 2 ERXWOTemplate instances for the edit and view modes. I then am wanting to derive from this to create StringFieldEditor / IntegerFieldEditor / etc that specialize the java to provide view and edit values in different ways as required. The html in FieldEditor component doesn't need to change, and it doesn't make sense to me to have multiple copies in the derived classes. What I'd like to happen is the base class html be used and the overridden getter methods in the derived java class provide the data for display. Is this an approach that applicable to WO? If not how would this be approached to limit duplication of code / html? ___ Andrew Lindesay www.lindesay.co.nz ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Another newbie question
Thanks for the input - a couple of questions on this.
1) Can't find ResourceManagerAdditions - what do I need to add?
2) Although not relevant for what I want to do, the frameworkName parameter
isn't used.
Thanks
Mark
On 3 Jan 2010, at 02:24, Chuck Hill wrote:
Hi Mark,
This not part of WO, possibly due to concerns about efficiency and
optimization (see JavaDoc below). You can add a method to your component (or
better, to a custom super class) to achieve this:
/**
* Allows a component to inherit the template (.html and .wod files)
from another component.
* pUsage:/p
* pre
* public WOElement template() {
* return inheritTemplateFrom(AddAddress, CoreUI);
* }
* /pre
* This very simple implementation does have some limitations:
* ol
* liIt can't he used to inherit the template of another component
inheriting a template./li
* liIt can't handle having two components with the same name in
different packages/li
* liIt does not use WO template caching/li
* /ol
*
* @see com.webobjects.appserver.WOComponent#template()
*
* @param componentName the name of the component whose template will be
inherited
* @param frameworkName name of the framework the component is in, or null
if in the application
* @return the template form the indicated component
*/
public WOElement inheritTemplateFrom(String componentName, String
frameworkName)
{
String componentPath = componentName + .wo/ + componentName + .;
String htmlString =
ResourceManagerAdditions.stringFromResource(componentPath + html, null,
session().languages());
String wodString =
ResourceManagerAdditions.stringFromResource(componentPath + wod, null,
session().languages());
return WOComponent.templateWithHTMLString(htmlString, wodString,
session().languages());
}
Enjoy!
Chuck
On Jan 2, 2010, at 6:20 PM, Mark Woollard wrote:
Maybe expanding will make things clearer...
There is a base component FieldEditor which does in-place editing using the
AjaxInPlace component + 2 ERXWOTemplate instances for the edit and view
modes. I then am wanting to derive from this to create StringFieldEditor /
IntegerFieldEditor / etc that specialize the java to provide view and edit
values in different ways as required. The html in FieldEditor component
doesn't need to change, and it doesn't make sense to me to have multiple
copies in the derived classes. What I'd like to happen is the base class
html be used and the overridden getter methods in the derived java class
provide the data for display. Is this an approach that applicable to WO? If
not how would this be approached to limit duplication of code / html?
Thanks
Mark
On 3 Jan 2010, at 02:04, Andrew Lindesay wrote:
Hi Mark;
If I understand you correctly, I would typically create smaller re-usable
components to put into two different larger components.
cheers.
I have a component (java/html/api/woo/wod) and want to create a derived
component that specialises some of the java functionality, but doesn't
need to modify the html of the base component. I can't figure out how to
get the derived component to return the base class html since the derived
classes just extend the java class.
___
Andrew Lindesay
www.lindesay.co.nz
___
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list (Webobjects-dev@lists.apple.com)
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/webobjects-dev/chill%40global-village.net
This email sent to ch...@global-village.net
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their overall
knowledge of WebObjects or who are trying to solve specific problems.
http://www.global-village.net/products/practical_webobjects
___
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list (Webobjects-dev@lists.apple.com)
Help/Unsubscribe/Update your Subscription:
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This email sent to arch...@mail-archive.com
Re: Another newbie question
On Jan 2, 2010, at 6:52 PM, Mark Woollard wrote:
Thanks for the input - a couple of questions on this.
1) Can't find ResourceManagerAdditions - what do I need to add?
This is from the GVC Frameworks (http://www.global-village.net/chill/gvc_frameworks
). File attached.
ResourceManagerAdditions.java
Description: Binary data
2) Although not relevant for what I want to do, the frameworkName
parameter isn't used.
Use null, that is the WO standard for things in the Application bundle.
Chuck
On 3 Jan 2010, at 02:24, Chuck Hill wrote:
Hi Mark,
This not part of WO, possibly due to concerns about efficiency and
optimization (see JavaDoc below). You can add a method to your
component (or better, to a custom super class) to achieve this:
/**
* Allows a component to inherit the template (.html and .wod
files) from another component.
* pUsage:/p
* pre
* public WOElement template() {
* return inheritTemplateFrom(AddAddress, CoreUI);
* }
* /pre
* This very simple implementation does have some limitations:
* ol
* liIt can't he used to inherit the template of another
component inheriting a template./li
* liIt can't handle having two components with the same name
in different packages/li
* liIt does not use WO template caching/li
* /ol
*
* @see com.webobjects.appserver.WOComponent#template()
*
* @param componentName the name of the component whose template
will be inherited
* @param frameworkName name of the framework the component is
in, or null if in the application
* @return the template form the indicated component
*/
public WOElement inheritTemplateFrom(String componentName, String
frameworkName)
{
String componentPath = componentName + .wo/ + componentName
+ .;
String htmlString =
ResourceManagerAdditions.stringFromResource(componentPath + html,
null, session().languages());
String wodString =
ResourceManagerAdditions.stringFromResource(componentPath + wod,
null, session().languages());
return WOComponent.templateWithHTMLString(htmlString,
wodString, session().languages());
}
Enjoy!
Chuck
On Jan 2, 2010, at 6:20 PM, Mark Woollard wrote:
Maybe expanding will make things clearer...
There is a base component FieldEditor which does in-place editing
using the AjaxInPlace component + 2 ERXWOTemplate instances for
the edit and view modes. I then am wanting to derive from this to
create StringFieldEditor / IntegerFieldEditor / etc that
specialize the java to provide view and edit values in different
ways as required. The html in FieldEditor component doesn't need
to change, and it doesn't make sense to me to have multiple copies
in the derived classes. What I'd like to happen is the base class
html be used and the overridden getter methods in the derived java
class provide the data for display. Is this an approach that
applicable to WO? If not how would this be approached to limit
duplication of code / html?
Thanks
Mark
On 3 Jan 2010, at 02:04, Andrew Lindesay wrote:
Hi Mark;
If I understand you correctly, I would typically create smaller
re-usable components to put into two different larger components.
cheers.
I have a component (java/html/api/woo/wod) and want to create a
derived component that specialises some of the java
functionality, but doesn't need to modify the html of the base
component. I can't figure out how to get the derived component
to return the base class html since the derived classes just
extend the java class.
___
Andrew Lindesay
www.lindesay.co.nz
___
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list (Webobjects-dev@lists.apple.com)
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/webobjects-dev/chill%40global-village.net
This email sent to ch...@global-village.net
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
___
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list (Webobjects-dev@lists.apple.com)
Help/Unsubscribe/Update your Subscription:
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This email sent to arch...@mail-archive.com
Re: Another newbie question
Thanks - subclasses are now working:-)
Mark
On 3 Jan 2010, at 03:08, Chuck Hill wrote:
On Jan 2, 2010, at 6:52 PM, Mark Woollard wrote:
Thanks for the input - a couple of questions on this.
1) Can't find ResourceManagerAdditions - what do I need to add?
This is from the GVC Frameworks
(http://www.global-village.net/chill/gvc_frameworks). File attached.
ResourceManagerAdditions.java
2) Although not relevant for what I want to do, the frameworkName parameter
isn't used.
Use null, that is the WO standard for things in the Application bundle.
Chuck
On 3 Jan 2010, at 02:24, Chuck Hill wrote:
Hi Mark,
This not part of WO, possibly due to concerns about efficiency and
optimization (see JavaDoc below). You can add a method to your component
(or better, to a custom super class) to achieve this:
/**
* Allows a component to inherit the template (.html and .wod files)
from another component.
* pUsage:/p
* pre
* public WOElement template() {
* return inheritTemplateFrom(AddAddress, CoreUI);
* }
* /pre
* This very simple implementation does have some limitations:
* ol
* liIt can't he used to inherit the template of another component
inheriting a template./li
* liIt can't handle having two components with the same name in
different packages/li
* liIt does not use WO template caching/li
* /ol
*
* @see com.webobjects.appserver.WOComponent#template()
*
* @param componentName the name of the component whose template will be
inherited
* @param frameworkName name of the framework the component is in, or null
if in the application
* @return the template form the indicated component
*/
public WOElement inheritTemplateFrom(String componentName, String
frameworkName)
{
String componentPath = componentName + .wo/ + componentName + .;
String htmlString =
ResourceManagerAdditions.stringFromResource(componentPath + html, null,
session().languages());
String wodString =
ResourceManagerAdditions.stringFromResource(componentPath + wod, null,
session().languages());
return WOComponent.templateWithHTMLString(htmlString, wodString,
session().languages());
}
Enjoy!
Chuck
On Jan 2, 2010, at 6:20 PM, Mark Woollard wrote:
Maybe expanding will make things clearer...
There is a base component FieldEditor which does in-place editing using
the AjaxInPlace component + 2 ERXWOTemplate instances for the edit and
view modes. I then am wanting to derive from this to create
StringFieldEditor / IntegerFieldEditor / etc that specialize the java to
provide view and edit values in different ways as required. The html in
FieldEditor component doesn't need to change, and it doesn't make sense to
me to have multiple copies in the derived classes. What I'd like to happen
is the base class html be used and the overridden getter methods in the
derived java class provide the data for display. Is this an approach that
applicable to WO? If not how would this be approached to limit duplication
of code / html?
Thanks
Mark
On 3 Jan 2010, at 02:04, Andrew Lindesay wrote:
Hi Mark;
If I understand you correctly, I would typically create smaller re-usable
components to put into two different larger components.
cheers.
I have a component (java/html/api/woo/wod) and want to create a derived
component that specialises some of the java functionality, but doesn't
need to modify the html of the base component. I can't figure out how to
get the derived component to return the base class html since the
derived classes just extend the java class.
___
Andrew Lindesay
www.lindesay.co.nz
___
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list (Webobjects-dev@lists.apple.com)
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/webobjects-dev/chill%40global-village.net
This email sent to ch...@global-village.net
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their overall
knowledge of WebObjects or who are trying to solve specific problems.
http://www.global-village.net/products/practical_webobjects
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their overall
knowledge of WebObjects or who are trying to solve specific problems.
http://www.global-village.net/products/practical_webobjects
___
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list (Webobjects-dev@lists.apple.com)
Help/Unsubscribe/Update your Subscription:
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This email sent to
