Difference between revisions of "Category:LSL LinksetData"
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|p1_type=string|p1_name=name|p1_desc=key name for data to be stored. | |p1_type=string|p1_name=name|p1_desc=key name for data to be stored. | ||
|p2_type=string|p2_name=value|p2_desc=String data to be associated with this key. | |p2_type=string|p2_name=value|p2_desc=String data to be associated with this key. | ||
|return_type=integer|return_text= | |return_type=integer|return_text=indicating success or failure. {{mono|0}} is success, a positive number indicates failure. | ||
|func_footer | |func_footer | ||
|caveats=If value is an empty string, the key is deleted from the linkset data. | |caveats=If value is an empty string, the key is deleted from the linkset data. | ||
| Line 26: | Line 26: | ||
|func_desc=Reads the value associated with a key from the linkset's key-value datastore. | |func_desc=Reads the value associated with a key from the linkset's key-value datastore. | ||
|p1_type=string|p1_name=name|p1_desc=key name for data to be read. | |p1_type=string|p1_name=name|p1_desc=key name for data to be read. | ||
|return_type=string|return_text= | |return_type=string|return_text=associated with the key. If the key does not exist, an empty string is returned. | ||
|func_footer | |func_footer | ||
|caveats=none | |caveats=none | ||
| Line 34: | Line 34: | ||
|func=[[llLinksetDataDelete]] | |func=[[llLinksetDataDelete]] | ||
|func_desc=Removes a key value pair from the linkset's datastore. | |func_desc=Removes a key value pair from the linkset's datastore. | ||
|p1_type=string|p1_name=name|p1_desc=key name for data to be read. | |p1_type=string|p1_name=name|p1_desc=which is the key name for data to be read. | ||
|return_type=| | |return_type=| | ||
|func_footer | |func_footer | ||
| Line 50: | Line 50: | ||
|func_sleep=0.0|func_energy=10.0 | |func_sleep=0.0|func_energy=10.0 | ||
|func=[[llLinksetDataAvailable]] | |func=[[llLinksetDataAvailable]] | ||
|func_desc= | |func_desc=The number of bytes available in the linkset's datastore | ||
|return_type=integer|return_text= | |return_type=integer|return_text=with the number of bytes free in the datastore. | ||
|func_footer | |func_footer | ||
|caveats=none | |caveats=none | ||
| Line 59: | Line 59: | ||
|func=[[llLinksetDataCountKeys]] | |func=[[llLinksetDataCountKeys]] | ||
|func_desc=Returns the number of keys used in the datastore. | |func_desc=Returns the number of keys used in the datastore. | ||
|return_type=integer|return_text= | |return_type=integer|return_text=with the total number of keys in use. | ||
|func_footer | |func_footer | ||
|caveats=none | |caveats=none | ||
| Line 69: | Line 69: | ||
|p1_type=integer|p1_name=first|p1_desc=The (zero based) index of the first key to return. | |p1_type=integer|p1_name=first|p1_desc=The (zero based) index of the first key to return. | ||
|p2_type=integer|p2_name=count|p2_desc=The maximum number of key names to return in the list. | |p2_type=integer|p2_name=count|p2_desc=The maximum number of key names to return in the list. | ||
|return_type=list|return_text= | |return_type=list|return_text=of keys stored in the linkset data. | ||
|func_footer | |func_footer | ||
|caveats=none | |caveats=none | ||
| Line 77: | Line 77: | ||
|func=[[llLinksetDataFindKeys]] | |func=[[llLinksetDataFindKeys]] | ||
|func_desc=Return a list of keys the linkset data which match the expression passed to the function. | |func_desc=Return a list of keys the linkset data which match the expression passed to the function. | ||
|p1_type=string|p1_name=regex|p1_desc=A regex expression to search for. | |p1_type=string|p1_name=regex|p1_desc=A [https://en.wikipedia.org/wiki/Regular_expression regex expression] to search for. | ||
|p2_type=integer|p2_name=first|p2_desc=The (zero based) index of the first key to return. | |p2_type=integer|p2_name=first|p2_desc=The (zero based) index of the first key to return. | ||
|p3_type=integer|p3_name=count|p3_desc=The maximum number of key names to return in the list. | |p3_type=integer|p3_name=count|p3_desc=The maximum number of key names to return in the list. | ||
|return_type=list|return_text= | |return_type=list|return_text=of keys matching regex stored in the linkset data. | ||
|func_footer | |func_footer | ||
|caveats=none | |caveats=none | ||
}} | }} | ||
= Events = | = Events = | ||
{{LSL Function/Head | {{LSL Function/Head | ||
Revision as of 03:38, 20 October 2022
| LSL Portal | Functions | Events | Types | Operators | Constants | Flow Control | Script Library | Categorized Library | Tutorials |
Introduction
Linksets may store up to 64k of data as key/value pairs available to LSL scripts. This data is attached to the root prim in the linkset and survives transfer, script reset and object copying, it does not count against the memory usage of any script. Once set, the only way to erase it is via either the llLinksetDataReset or the llLinksetDataDelete functions. Whenever a script successfully modifies the linkset data using the llLinksetDataReset, llLinksetDataWrite or llLinksetDataCreate functions a linkset_data event is fired in all scripts in the linkset describing the action taken and key name that was affected.
Linkset data is not visible outside of a linkset; a script may only access the linkset data for the linkset that it is running in. Linkset data is not applicable to avatars.
When merging two linksets, both with linkset data, the new root's data is preserved and the simulator makes an effort to move as many of the key value pairs from the old root to the new. If there is insufficient space for all data the simulator will discard some data from the old root. The data selected for preservation may be arbitrary.
Functions
llLinksetDataWrite
Function: integer llLinksetDataWrite( string name, string value );| ? | Function ID |
| 0.0 | Forced Delay |
| 10.0 | Energy |
Creates or updates a key/value pair in the linksets datastore.
Returns an integer indicating success or failure. 0 is success, a positive number indicates failure.
| • string | name | – | key name for data to be stored. | |
| • string | value | – | String data to be associated with this key. |
Caveats
If value is an empty string, the key is deleted from the linkset data.
llLinksetDataRead
Function: string llLinksetDataRead( string name );| ? | Function ID |
| 0.0 | Forced Delay |
| 10.0 | Energy |
Reads the value associated with a key from the linkset's key-value datastore.
Returns a string associated with the key. If the key does not exist, an empty string is returned.
| • string | name | – | key name for data to be stored.key name for data to be read. |
llLinksetDataDelete
Function: llLinksetDataDelete( string name );| ? | Function ID |
| 0.0 | Forced Delay |
| 10.0 | Energy |
Removes a key value pair from the linkset's datastore.
| • string | name | – | key name for data to be stored.key name for data to be read.which is the key name for data to be read. |
llLinksetDataReset
Function: llLinksetDataReset( );| ? | Function ID |
| 0.0 | Forced Delay |
| 10.0 | Energy |
Erases all existing keys value pairs in the linkset's datastore.
llLinksetDataAvailable
Function: integer llLinksetDataAvailable( );| ? | Function ID |
| 0.0 | Forced Delay |
| 10.0 | Energy |
The number of bytes available in the linkset's datastore
Returns an integer with the number of bytes free in the datastore.
llLinksetDataCountKeys
Function: integer llLinksetDataCountKeys( );| ? | Function ID |
| 0.0 | Forced Delay |
| 10.0 | Energy |
Returns the number of keys used in the datastore.
Returns an integer with the total number of keys in use.
llLinksetDataListKeys
Function: list llLinksetDataListKeys( integer first, integer count );| ? | Function ID |
| 0.0 | Forced Delay |
| 10.0 | Energy |
Return a list of keys currently in use in the linkset data.
Returns a list of keys stored in the linkset data.
| • integer | first | – | The (zero based) index of the first key to return. | |
| • integer | count | – | The maximum number of key names to return in the list. |
llLinksetDataFindKeys
Function: list llLinksetDataFindKeys( string regex, integer first, integer count );| ? | Function ID |
| 0.0 | Forced Delay |
| 10.0 | Energy |
Return a list of keys the linkset data which match the expression passed to the function.
Returns a list of keys matching regex stored in the linkset data.
| • string | regex | – | A regex expression to search for. | |
| • integer | first | – | The (zero based) index of the first key to return.The (zero based) index of the first key to return. | |
| • integer | count | – | The maximum number of key names to return in the list.The maximum number of key names to return in the list. |
Events
linkset_data
Function: linkset_data( integer action, string name, string value );| • integer | action | – | The action taken on the linkset datastore. reset, update or delete. | |
| • string | name | – | key name for data to be stored.key name for data to be read.which is the key name for data to be read.The name of key changed. Empty string for reset. | |
| • string | value | – | String data to be associated with this key.The value associated with the key. Empty string for reset or delete. |
Pages in category "LSL LinksetData"
The following 11 pages are in this category, out of 11 total.