Example queries for Hawk - IncQuery integration

queries.js

// Number of an instances of a type 

return %s.all.size;

// Instances of a type

return %s.all;

// Get the number of instances  of an EDataType (unseeded) //////////////////////////

var dataType = '%s';
var count = 0;
for (type in Model.types) {
  var attrs = type.attributes.select(a|a.type=dataType);
  if (not attrs.isEmpty) {
    for (instance in type.all) {
      for (attr in attrs) {
        if (instance.getProperty(attr).isDefined()) {
          count++;
        }
      }
    }
  }
}
return count;

// Contains version for the seeded case in EDataType

var dataType = '%s';
for (type in Model.types) {
  var attrs = type.attributes.select(a|a.type=dataType);
  if (not attrs.isEmpty) {
    for (instance in type.all) {
      for (attr in attrs) {
        var value = instance.getProperty(attr) + '';
        if (value = '%s') {
          return 1;
        }
      }
    }
  }
}
return 0;


// Get the instances of an EDataType //////////////////////////

var dataType = '%s';
var values = Sequence {};
for (type in Model.types) {
  var attrs = type.attributes.select(a|a.type=dataType);
  if (not attrs.isEmpty) {
    for (instance in type.all) {
      for (attr in attrs) {
        var value = instance.getProperty(attr);
        if (value.isDefined()) {
          values.add(value);
        }
      }
    }
  }
}
return values;

// Return all values of a specific attribute/reference
// (implicit foreach in EOL, implicit flatten in Thrift API)
return %s.all.%s;

//

return %s.all.contains(i | Model.getGraphNodeId(i)='%s');