Examples of org.apache.muse.ws.resource.properties.ResourcePropertyCollection

Package org.apache.muse.ws.resource.properties

Examples of org.apache.muse.ws.resource.properties.ResourcePropertyCollection

org.apache.muse.ws.resource.properties.ResourcePropertyCollection
ResourcePropertyCollection is the WSRP-based state model that is used by all WS-resources. It does not imply or require the use of any WSRP capabilities for remote clients; users must specify said capabilities in muse.xml (with the capability tag) if they want to do this.

The ResourcePropertyCollection provides a single, generic interface for reading and writing resource properties that are spread across disparate Capability objects. Read and write requests will be delegated to the appropriate {@linkplain org.apache.muse.ws.resource.WsResourceCapability capabilities} after all schema and metadata validation is done. This interface also implies the use of various listeners, which allow users to hook into the read and write requests at various points to respond to them with their own code. The crux of the ResourcePropertyCollection's role, then, is the administrative and plumbing tasks necessary to read, write, validate, and report on resource properties, but not the actual storage of the properties themselves. @author Dan Jemiolo (danj)

            throw new NullPointerException(_MESSAGES.get("NullRemoteResource"));
        
        QName qname = getPropertyQName();
        
        Element[] here = null;
        ResourcePropertyCollection props = getWsResource().getPropertyCollection();
        here = props.getResourceProperty(qname);
        
        WsResourceClient otherResource = new WsResourceClient(epr);
        Element[] there = otherResource.getResourceProperty(qname);
        
        //

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        _resource = resource;
        
        //
        // get the metadata for the metric
        //
        ResourcePropertyCollection props = _resource.getPropertyCollection();
        MetadataDescriptor metadata = props.getMetadata();


        if (!metadata.isReadOnlyExternal(name))
        {
            Object[] filler = { name };
            throw new RuntimeException(_MESSAGES.get("NotReadOnly", filler));

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        //
        // this call will eventually result in a listener calling the 
        // update() method below - we will then overwrite the values 
        // of the date attributes
        //
        ResourcePropertyCollection props = getWsResource().getPropertyCollection();
        props.updateResourceProperty(getName(), new Object[]{ value });
        
        _resetAt = new Date();
        _lastUpdated = null;
        _hasBeenReset = true;
    }

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        throws SoapFault
    {
        super.initialize();
        
        WsResource resource = getWsResource();
        ResourcePropertyCollection props = resource.getPropertyCollection();
        MetadataDescriptor metadata = props.getMetadata();
        
        //
        // load all of the metric data from the RMD
        //
        Iterator i = metadata.getPropertyNames().iterator();
        
        while (i.hasNext())
        {
            QName qname = (QName)i.next();
            String capability = metadata.getExtendedMetadata(qname, MuwsConstants.CAPABILITY_QNAME);
            
            //
            // a property is a metric IF it defines a Capability element in 
            // its RMD definition with the Metrics capability URI
            //
            if (capability != null && capability.equals(MuwsConstants.METRICS_URI))
            {
                Metric metric = new SimpleMetric(qname, resource);
                _metricsByQName.put(qname, metric);
                
                //
                // on demand? update metadata before reads
                //
                if (metric.isOnDemand())
                    props.addReadListener(new MetricOnDemandListener(metric));
                
                //
                // add metric attributes for all reads
                //
                props.addReadListener(new MetricDecorationProvider(metric));
                
                //
                // update metadata whenever changes occur
                //
                props.addChangeListener(new MetricUpdateListener(metric));
                
                //
                // special case: counters that run on an interval can be 
                // automated by starting a thread that increments the value 
                // every N seconds

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        // in this case, we have to determine if there IS a property 
        // and it's null, or there is no property
        //
        if (value == null)
        {
            ResourcePropertyCollection props = getWsResource().getPropertyCollection();
            
            //
            // property is nillable - we say it exists. not 100% accurate, 
            // but as close as we're going to get
            //
            if (props.getSchema().isNillable(name))
                return new Element[]{ XmlUtils.createElement(name) };
            
            //
            // not nillable - must not exist
            //

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        //
        // tell WSRP container about us - all read/write requests for 
        // our properties will now be sent to us
        //
        ResourcePropertyCollection props = getWsResource().getPropertyCollection();
        props.addCapability(this);
    }

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    }
    
    public Element[] getMultipleResourceProperties(QName[] qnames)
        throws InvalidResourcePropertyQNameFault, BaseFault
    {
        ResourcePropertyCollection props = getWsResource().getPropertyCollection();
        return props.getMultipleResourceProperties(qnames);
    }

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    }


    public Element[] getResourceProperty(QName qname) 
        throws InvalidResourcePropertyQNameFault, BaseFault
    {
        ResourcePropertyCollection props = getWsResource().getPropertyCollection();
        return props.getResourceProperty(qname);
    }

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    }


    public Element getResourcePropertyDocument() 
        throws BaseFault
    {
        ResourcePropertyCollection props = getWsResource().getPropertyCollection();
        return props.getResourcePropertyDocument();
    }

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            throw new NullPointerException(_MESSAGES.get("NullQuery"));
        
        //
        // get a copy of the whole ws-rp doc that we can evaluate against
        //
        ResourcePropertyCollection props = getWsResource().getPropertyCollection();
        Element wsrpDoc = props.getResourcePropertyDocument();
        
        QueryExpressionFactory factory = getQueryExpressionFactory();
        QueryExpression evaluator = factory.newInstance(dialect);
        
        return evaluator.evaluate(wsrpDoc, query);

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