How to use Groovy to the attributes of access on managed Beans?
What is the best way to define view object Bind variable values that are not exposed by the entity object? More specifically, I have an entity with a values list object attached object. I need to set a value on the a Bind Variable views LOV ", which is not a value on line' oppose?You should not access properties of interface layer user directly from your model layer - because it would break the independence of the model using a specific user interface layer.
Instead, expose a service method on the VO or AM that accepts a parameter and sets the binding variable - and then call this method in your user interface.
Something like this:
http://jobinesh.blogspot.com/2011/03/initializing-bind-variables-in-query.html
Tags: Java
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Hallo,
in my tables and forms (created from VO istances) there are some areas for which, insert and update, I calculate and set the value programmatically when a record is created or updated.
In some cases, I put the necessary values using the 'CreateWithParams' in the workflow diagram...
In some other ones, I associate an action, a bean, a created button drag-and - drop operation 'CreateWithParams' of the istance VO...
public String cwpButton_action() { BindingContainer bindings = getBindings(); OperationBinding operationBinding = bindings.getOperationBinding("CreateWithParams"); // here I calculate and set the needed params // ... Object result = operationBinding.execute(); if (!operationBinding.getErrors().isEmpty()) { return null; } return null; }
And is ok if I can calculate the values for the attributes before a new record is created.
But the approach that I have used to define the attributes (for new and updated records) whose value should be caluclated after the user has filled in the fields, before committing to the database?
Thank you
Federico
Federico,
Let me first tell you that our code is activity masking errors (the cache instead of working on them).
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- Returns a null value.
- }
- Returns a null value.
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To solve your problem, you override the method prepareForDML() of the entity or entities in question. You can calculate and set the necessary attributes until they get engaged in the doDML(). Do not use doDML() because it is too late in the life cycle.
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Hi people,
How to access the value of a component managed bean?
I want the input value of the component name.<af:inputText value="#{bindings.Name.inputValue}" label="#{bindings..Name.hints.label}" required="#{bindings..Name.hints.mandatory}" columns="#{bindings.Name.hints.displayWidth}" maximumLength="#{bindings..Name.hints.precision}" shortDesc="#{bindings.Name.hints.tooltip}" id="Name" partialTriggers="Type"> <f:validator binding="#{bindings.Name.validator}"/> </af:inputText>
thnksYou can use this in your managed bean
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How REGEXP_REPLACE used to replace the part of the string?
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How can I replace the portion of string as follows, I want to replace the space as by ' - '.
SELECT
REGEXP_REPLACE (superior ("' Laura bought stuff from 2000 USD on 12 September 2012 to KL and kl left on September 20, 2012"),)
' [0-9] {1,2} [^ 0-9](JAN|) FEB | MAR | APR | JUN | JUL | AUG | MS | OCT | NOV | DEC) [^ 0-9] [0-9] {4}',
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concerningSomething like that?
SELECT REGEXP_REPLACE('Daivd bought stuff by 2000 USD on 12 Sep 2012 from KL and left kl on 20 Sep 2012', '([0-9]{1,2}) (JAN|FEB|MAR|APR|JUN|JUL|AUG|SEP|OCT|NOV|DEC) ([0-9]{4})', '\1-\2-\3',1,0,'i') "REGEXP_REPLACE" FROM DUAL;
Explanation:
You group the parts of the date de-construct with (additional).
You can use expressions, backreference \1 \2 \3 and add '-' between \1-\2-\3 signs.You should not user upper ('...') in the first parameter. If you cannot recover the original state of the letters.
If you want to case-insensitive matching you should use 'I' in the last parameter of regexp_replace.http://docs.Oracle.com/CD/B19306_01/server.102/b14200/functions130.htm
Published by: hm on 25.09.2012 00:38
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