ADF Table foot Total
Hello
I have accountability total block of load in the ADF table footer, while, he works a few times not when I change his line of block parent., that i took a transitional block load VO attribute, and I put its value through the iterator in the VoRowImp.java file in this transitional attribute getter method. but it is not working properly. Are there not all declarative features for this camera or any other approach?
Here are pictures of page view.
Jdev 11.1.1.6.0
Kind regards
Peyrot A Tunio
First check to see if you properly:
Then, using either ChangeEventPolici = ppr for iterator in the pageDef, OR somehow cool component in the footer with the value of the sum (partialTriggers or programmatically)
Tags: Java
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< f: validator binding="#{row.bindings.BranchCityCode.validator}"/ >
< af:convertNumber groupingUsed = "false".
model = ' #{bindings. " BranchesView1.hints.BranchCityCode.format}"/ >
< / af:inputText >
< / af:column >
< af:column sortProperty = "#{bindings." BranchesView1.hints.BranchSuburb.name}.
sortable = "true".
headerText = "#{bindings." BranchesView1.hints.BranchSuburb.label}.
ID = "c9" >
< af:inputText value = "#{row.bindings.BranchSuburb.inputValue} '"
label = "#{bindings." BranchesView1.hints.BranchSuburb.label}.
required = "#{bindings." BranchesView1.hints.BranchSuburb.mandatory}.
columns = "#{bindings." BranchesView1.hints.BranchSuburb.displayWidth}.
maximumLength = "#{bindings." BranchesView1.hints.BranchSuburb.precision}.
shortDesc = "#{bindings." BranchesView1.hints.BranchSuburb.tooltip}.
ID = "9" >
< f: validator binding="#{row.bindings.BranchSuburb.validator}"/ >
< / af:inputText >
< / af:column >
< af:column sortProperty = "#{bindings." BranchesView1.hints.BranchProvinceCode.name}.
sortable = "true".
headerText = "#{bindings." BranchesView1.hints.BranchProvinceCode.label}.
ID = "c11" >
< af:inputText value = "#{row.bindings.BranchProvinceCode.inputValue} '"
label = "#{bindings." BranchesView1.hints.BranchProvinceCode.label}.
required = "#{bindings." BranchesView1.hints.BranchProvinceCode.mandatory}.
columns = "#{bindings." BranchesView1.hints.BranchProvinceCode.displayWidth}.
maximumLength = "#{bindings." BranchesView1.hints.BranchProvinceCode.precision}.
shortDesc = "#{bindings." BranchesView1.hints.BranchProvinceCode.tooltip}.
ID = 'it8' >
< f: validator binding="#{row.bindings.BranchProvinceCode.validator}"/ >
< af:convertNumber groupingUsed = "false".
model = ' #{bindings. " BranchesView1.hints.BranchProvinceCode.format}"/ >
< / af:inputText >
< / af:column >
< af:column sortProperty = "#{bindings." BranchesView1.hints.BranchPostalCode.name}.
sortable = "true".
headerText = "#{bindings." BranchesView1.hints.BranchPostalCode.label}.
ID = "c5" >
< af:inputText value = "#{row.bindings.BranchPostalCode.inputValue} '"
label = "#{bindings." BranchesView1.hints.BranchPostalCode.label}.
required = "#{bindings." BranchesView1.hints.BranchPostalCode.mandatory}.
columns = "#{bindings." BranchesView1.hints.BranchPostalCode.displayWidth}.
maximumLength = "#{bindings." BranchesView1.hints.BranchPostalCode.precision}.
shortDesc = "#{bindings." BranchesView1.hints.BranchPostalCode.tooltip}.
ID = "it7" >
< f: validator binding="#{row.bindings.BranchPostalCode.validator}"/ >
< / af:inputText >
< / af:column >
< af:column sortProperty = "#{bindings." BranchesView1.hints.BranchTelephone.name}.
sortable = "true".
headerText = "#{bindings." BranchesView1.hints.BranchTelephone.label}.
ID = "c6" >
< af:inputText value = "#{row.bindings.BranchTelephone.inputValue} '"
label = "#{bindings." BranchesView1.hints.BranchTelephone.label}.
required = "#{bindings." BranchesView1.hints.BranchTelephone.mandatory}.
columns = "#{bindings." BranchesView1.hints.BranchTelephone.displayWidth}.
maximumLength = "#{bindings." BranchesView1.hints.BranchTelephone.precision}.
shortDesc = "#{bindings." BranchesView1.hints.BranchTelephone.tooltip}.
ID = "it3" >
< f: validator binding="#{row.bindings.BranchTelephone.validator}"/ >
< / af:inputText >
< / af:column >
< af:column sortProperty = "#{bindings." BranchesView1.hints.BranchDateActive.name}.
sortable = "true".
headerText = "#{bindings." BranchesView1.hints.BranchDateActive.label}.
ID = "c10" >
< af:inputDate value = "#{row.bindings.BranchDateActive.inputValue} '"
label = "#{bindings." BranchesView1.hints.BranchDateActive.label}.
required = "#{bindings." BranchesView1.hints.BranchDateActive.mandatory}.
shortDesc = "#{bindings." BranchesView1.hints.BranchDateActive.tooltip}.
ID = "id2" >
< f: validator binding="#{row.bindings.BranchDateActive.validator}"/ >
< af:convertDateTime pattern = "#{bindings." BranchesView1.hints.BranchDateActive.format}"/ >
< / af:inputDate >
< / af:column >
< af:column sortProperty = "#{bindings." BranchesView1.hints.BranchDateInactive.name}.
sortable = "true".
headerText = "#{bindings." BranchesView1.hints.BranchDateInactive.label}.
ID = "c1" >
< af:inputDate value = "#{row.bindings.BranchDateInactive.inputValue} '"
label = "#{bindings." BranchesView1.hints.BranchDateInactive.label}.
required = "#{bindings." BranchesView1.hints.BranchDateInactive.mandatory}.
shortDesc = "#{bindings." BranchesView1.hints.BranchDateInactive.tooltip}.
ID = "id1" >
< f: validator binding="#{row.bindings.BranchDateInactive.validator}"/ >
< af:convertDateTime pattern = "#{bindings." BranchesView1.hints.BranchDateInactive.format}"/ >
< / af:inputDate >
< / af:column >
< af:column sortProperty = "#{bindings." BranchesView1.hints.BranchHub.name}.
sortable = "true".
headerText = "#{bindings." BranchesView1.hints.BranchHub.label}.
ID = 'c4' >
< af:inputText value = "#{row.bindings.BranchHub.inputValue} '"
label = "#{bindings." BranchesView1.hints.BranchHub.label}.
required = "#{bindings." BranchesView1.hints.BranchHub.mandatory}.
columns = "#{bindings." BranchesView1.hints.BranchHub.displayWidth}.
maximumLength = "#{bindings." BranchesView1.hints.BranchHub.precision}.
shortDesc = "#{bindings." BranchesView1.hints.BranchHub.tooltip}.
ID = "it10" >
< f: validator binding="#{row.bindings.BranchHub.validator}"/ >
< / af:inputText >
< / af:column >
< / af:table >
< / af:panelCollection >
< / af:panelHeader >
<!-id = "af_one_column_stretched"->
< / f: facet >
< / af:panelStretchLayout >
< / jsp:root >
Go to the pageDef and for related iterator to your table, set ChangeEventPolicy property to the ppr
-
ADF table large number of records
JDeveloper 12.1.2
I have an engine of research as well as an array of result. In some research, it is possible that the result set is more than a million records. The problem is when the user uses the table scroll bar and quickly tries to go at the end of the result set, weblogic with error, memory, it blocks. What is the best practice to handle this in the user interface?
I think of several ways to resolve and would like if anyone has experience with one of the following:
1. when the user performs the search, run select count (*), and determine the number of records search will return. If say greater then 1000, warn the user to refine the search criteria. This seems to have made an extra trip to DB
2. implementation of the pagination of the table instead of the scroll bar. Is this possible in the last ADF table?
3. go to the front and back only to say 1,000 records and warn the user that not all records are returned, and that it would be best to refine the criteria. Similar to 1, except no extra trip to DB
Thanks in advance for comments and maybe the solution
Insufficient memory is caused by the underlying ViewObject that retrieves and keeps track of all the lines to the position where the user scrolls to the bottom of the table. It is behavior of the VO when the VO is configured with the access mode "Scrollable", which is the default access mode setting. For example, if the user scrolls to the No.100000 line, the VO to get and keep in mind all the lines n ° 1 to No.100000. This means that the table pagination will NOT help you!
Fortunately, you have two simple options out-of-the-box:
- The 1st option is to configure the original Version of extraction does not exceed a fixed number of lines (for example 5000). You can do it in the "General" of the VO definition dialog page. Go to the 'Tuning' section, select the option "only up to line number" and enter the number chosen in the field of text next to it. In this way, what the condition is entered by the user, the VO will seek no more than the specified line number.
- The 2nd option is to configure the VO with "Range Paging" access mode rather than the default access mode "Scrollable". With the access mode "Range Paging" the VO not go get and keep in mind all the lines until the currently selected line, but he keeps in memory a few line ranges (for example only a few dozen lines). This way you will not be affected by an OutOfMemory error even if the user scroll down to a millionth line. The downside is that when it is configured with "Range Paging" the VO will have to rerun the query each time when he needs to pick a different range of lines. If the execution of the query is slow to the DB server, this will load the DB server and the user will experience delays when scrolling in a different range of lines.
Take a look at the documentation for more details here: View object performance tuning (read article 9.1.5).
Dimitar
Post edited by: Dimitar Dimitrov
If you decide to use "Range Paging", don't forget to set the appropriate size, which is not less than the usual number of visible lines in your table on the page. If you set the size of the lower range, then the original Version will have to fetch more than a range of lines, which will need more of a running query. The size of default in the definition of VO is 1, but it is not important. The important value is the size of the range that is defined in the iterator binding in the PageDef, which overrides the setting of the VO. The default value for the size of the links of the iterator range is 25.
-
rowSetIterator.getRow (key) is null first time click ADF table row
Hello experts, I have very strange problem in ADF table with multiple selection mode. First time when I select a folder and a command button press to treat the selected query, rowSetIterator.getRow (key) throws null pointer exception. Second time click on any record command button and hit it again, rowSetIterator.getRow (key) does not throw an error it gives me rather recording. Here is my code:
< af:table value = "#{bindings.paymentList.collectionModel}" var = 'row' "
Rows = "#{Bindings.paymentList.rangeSize} '"
emptyText = "#{bindings.paymentList.viewable?" "{"No request found.":"Access Denied."}"
columnStretching = "column: c8" width = "860px";
fetchSize = "#{bindings.paymentList.rangeSize} '"
disableColumnReordering = "true" rowBandingInterval = "1".
inlineStyle = ' height: 400px; "
filterModel = "#{bindings.paymentListQuery.queryDescriptor} '"
queryListener = "#{bindings.paymentListQuery.processQuery} '"
filterVisible = "true" varStatus = "vs."
selectionListener = "#{viewScope.myBean.currentSelectionListener} '"
rowSelection = "multiple".
ID = "t1".
Binding = "#{viewScope.myBean.MyTable}" >
< af:column... >
.....
< / af:table >
< af:commandButton text = "ProcessRequest".
ID = "cbProcReq".
Binding = "#{viewScope.myBean.processReqCB} '"
action = "#{viewScope.myBean.processRequests}" > "
< / af:commandButton >
currentSelectionListener():
rksSelectedRows = searchResultTable.getSelectedRowKeys ();
If (rksSelectedRows! = null & &! rksSelectedRows.isEmpty ()) {}
System.out.println ("rksSelectedRows is not null or empty"); / / always runs
}
}
processRequests():
RowKeySet rksSelectedRows = myTable.getSelectedRowKeys ();
If (null! = rksSelectedRows & &! rksSelectedRows.isEmpty ()) {}
Iterator itrSelectedRows = rksSelectedRows.iterator ();
RowSetIterator rowSetIterator = dcItteratorBindings.getRowSetIterator ();
While (itrSelectedRows.hasNext ()) {}
Key = (Key) ((List) itrSelectedRows.next () .get (0);
If (null! = rowSetIterator.getRow (key)) {//works only 2nd time click.} First, click on throw null for getRow()
PaymentReq paymentReq = (PaymentReq) ((DCDataRow) rowSetIterator.getRow (key)) .getDataProvider ();
reqList.add (paymentReq);
} else {}
System.out.println ("getRow() is null");
}
}
I noticed that the key is never null. Something is still getting filled. No idea why this glitch. Why always 2nd time click work?
I also checked that
Row myRow = rsiSelectedRows.getRow(key); is showing myRow as null for the first time. But 2nd time when I click and hit button, myRow is not null !! Do not know what is this glitch.
Appreciate your help.
Thank you
Finally I was able to solve the problem. Noticed that code clear filter in backing bean caused this problem. I am clear the filter of bean support when the user forgets to clear the filter in the user interface and that caused the issue with table selection. I commented on this code and table selection works perfectly well.
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