[OpenLayers-Users] Filtering by Feature Id

[Wendy Cameron]

Hi All
 
Sorry for the repost:
 
I am trying to load features by their feature id
I have the following code:
 
var options = {'MV_BLOCK_SUMMARY.3635': 'MV_BLOCK_SUMMARY.3636'};
    var blockFilter = new OpenLayers.Filter.FeatureId(options);
     
    var wfslayer = new OpenLayers.Layer.Vector("Wendy Testing", {
     //styleMap: styles,
     strategies: [new OpenLayers.Strategy.BBOX()],
     reportError: true,
     visibility: true,
     filter: blockFilter,
     protocol: new OpenLayers.Protocol.WFS({
      url:  "http://localhost:8080/geoserver/wfs",
      featureType: "MV_BLOCK_SUMMARY",
      propertyNames: ["BLOCK_NAME", "TITLE_ORDER", "TITLE_ORDER_DATE", "BLOCK_AREA", "MINUTE_BK_REF", "TOTAL_SHARES", "TOTAL_OWNERS", "BLOCK_LOCATION"],
      featureNS: "http://justice.govt.nz/gis",
      featurePrefix: "gistest",
      version: "1.1.0" ,
      srsName: "EPSG:900913",
      geometryName: "BLOCK_LOCATION"
      })
    });
    map.addLayer(wfslayer);
 
But the javascript:exception I get when using the FeatureId filter is as follows:
uncaught exception: Filter writing not supported for rule type: undefined
 
I cant use 

    var blk1Filter = new OpenLayers.Filter.Comparison({
     type: OpenLayers.Filter.Comparison.EQUAL_TO,
     property: "BLOCK_NAME",
     value: "Huruhi Urupa"
    });
 
As the i want to search by the feature id which is not a property.
Any advice would be greatly appreciated.
 
Regards Wendy

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