Only one of local, rack or any is satisfied

AppSchedulable.java

        if (rackLocalRequest != null && rackLocalRequest.getNumContainers() != 0
            && localRequest != null && localRequest.getNumContainers() != 0) {
          return assignContainer(node, localRequest,
              NodeType.NODE_LOCAL, reserved);
        }
        
        if (rackLocalRequest != null && !rackLocalRequest.getRelaxLocality()) {
          continue;
        }

        if (rackLocalRequest != null && rackLocalRequest.getNumContainers() != 0
            && (allowedLocality.equals(NodeType.RACK_LOCAL) ||
                allowedLocality.equals(NodeType.OFF_SWITCH))) {
          return assignContainer(node, rackLocalRequest,
              NodeType.RACK_LOCAL, reserved);
        }

        ResourceRequest offSwitchRequest = app.getResourceRequest(priority,
            ResourceRequest.ANY);
        if (offSwitchRequest != null && !offSwitchRequest.getRelaxLocality()) {
          continue;
        }
        
        if (offSwitchRequest != null && offSwitchRequest.getNumContainers() != 0
            && allowedLocality.equals(NodeType.OFF_SWITCH)) {
          return assignContainer(node, offSwitchRequest,
              NodeType.OFF_SWITCH, reserved);
        }