Examples of org.exist.xquery.XQueryContext.declareVariable()

org.exist.xquery.XQueryContext.declareVariable()
Declare a user-defined variable.
The value argument is converted into an XPath value (@see XPathUtil#javaObjectToXPath(Object)).
@param qname the qualified name of the new variable. Any namespaces should have been declared before. @param value a Java object, representing the fixed value of the variable @return the created Variable object @throws XPathException if the value cannot be converted into a known XPath value or the variable QName references an unknownnamespace-prefix.

          // For backward compatibility
          context.declareVariable(bindingPrefix + "eventType", EVENT_TYPE_PREPARE);
          context.declareVariable(bindingPrefix + "triggerEvent", new StringValue(eventToString(event)));


          if (isCollection)
            {context.declareVariable(bindingPrefix + "collectionName", new AnyURIValue(src));}
          else {
            context.declareVariable(bindingPrefix + "collectionName", new AnyURIValue(src.removeLastSegment()));
            context.declareVariable(bindingPrefix + "documentName", new AnyURIValue(src));
          }

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          context.declareVariable(bindingPrefix + "triggerEvent", new StringValue(eventToString(event)));


          if (isCollection)
            {context.declareVariable(bindingPrefix + "collectionName", new AnyURIValue(src));}
          else {
            context.declareVariable(bindingPrefix + "collectionName", new AnyURIValue(src.removeLastSegment()));
            context.declareVariable(bindingPrefix + "documentName", new AnyURIValue(src));
          }
          
          //declare user defined parameters as external variables
          for(final Iterator itUserVarName = userDefinedVariables.keySet().iterator(); itUserVarName.hasNext();)

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          if (isCollection)
            {context.declareVariable(bindingPrefix + "collectionName", new AnyURIValue(src));}
          else {
            context.declareVariable(bindingPrefix + "collectionName", new AnyURIValue(src.removeLastSegment()));
            context.declareVariable(bindingPrefix + "documentName", new AnyURIValue(src));
          }
          
          //declare user defined parameters as external variables
          for(final Iterator itUserVarName = userDefinedVariables.keySet().iterator(); itUserVarName.hasNext();)
          {

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          for(final Iterator itUserVarName = userDefinedVariables.keySet().iterator(); itUserVarName.hasNext();)
          {
            final String varName = (String)itUserVarName.next();
            final String varValue = userDefinedVariables.getProperty(varName);
          
            context.declareVariable(bindingPrefix + varName, new StringValue(varValue));
          }
          
        } catch(final XPathException e) {
        TriggerStatePerThread.setTriggerRunningState(TriggerStatePerThread.NO_TRIGGER_RUNNING, this, null);
        TriggerStatePerThread.setTransaction(null);

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        try {
          //compile the XQuery
          compiledQuery = service.compile(context, query);
          
          //declare external variables
          context.declareVariable(bindingPrefix + "type", EVENT_TYPE_FINISH);
          context.declareVariable(bindingPrefix + "event", new StringValue(eventToString(event)));
          
          if (isCollection)
            {context.declareVariable(bindingPrefix + "collection", new AnyURIValue(src));}
          else

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          //compile the XQuery
          compiledQuery = service.compile(context, query);
          
          //declare external variables
          context.declareVariable(bindingPrefix + "type", EVENT_TYPE_FINISH);
          context.declareVariable(bindingPrefix + "event", new StringValue(eventToString(event)));
          
          if (isCollection)
            {context.declareVariable(bindingPrefix + "collection", new AnyURIValue(src));}
          else
            {context.declareVariable(bindingPrefix + "collection", new AnyURIValue(src.removeLastSegment()));}

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          //declare external variables
          context.declareVariable(bindingPrefix + "type", EVENT_TYPE_FINISH);
          context.declareVariable(bindingPrefix + "event", new StringValue(eventToString(event)));
          
          if (isCollection)
            {context.declareVariable(bindingPrefix + "collection", new AnyURIValue(src));}
          else
            {context.declareVariable(bindingPrefix + "collection", new AnyURIValue(src.removeLastSegment()));}
        
          context.declareVariable(bindingPrefix + "uri", new AnyURIValue(src));
          if (dst == null)

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          context.declareVariable(bindingPrefix + "event", new StringValue(eventToString(event)));
          
          if (isCollection)
            {context.declareVariable(bindingPrefix + "collection", new AnyURIValue(src));}
          else
            {context.declareVariable(bindingPrefix + "collection", new AnyURIValue(src.removeLastSegment()));}
        
          context.declareVariable(bindingPrefix + "uri", new AnyURIValue(src));
          if (dst == null)
            {context.declareVariable(bindingPrefix + "new-uri", Sequence.EMPTY_SEQUENCE);}
          else

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          if (isCollection)
            {context.declareVariable(bindingPrefix + "collection", new AnyURIValue(src));}
          else
            {context.declareVariable(bindingPrefix + "collection", new AnyURIValue(src.removeLastSegment()));}
        
          context.declareVariable(bindingPrefix + "uri", new AnyURIValue(src));
          if (dst == null)
            {context.declareVariable(bindingPrefix + "new-uri", Sequence.EMPTY_SEQUENCE);}
          else 
            {context.declareVariable(bindingPrefix + "new-uri", new AnyURIValue(dst));}

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          else
            {context.declareVariable(bindingPrefix + "collection", new AnyURIValue(src.removeLastSegment()));}
        
          context.declareVariable(bindingPrefix + "uri", new AnyURIValue(src));
          if (dst == null)
            {context.declareVariable(bindingPrefix + "new-uri", Sequence.EMPTY_SEQUENCE);}
          else 
            {context.declareVariable(bindingPrefix + "new-uri", new AnyURIValue(dst));}
          
          // For backward compatibility
          context.declareVariable(bindingPrefix + "eventType", EVENT_TYPE_FINISH);

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