How to use

org.apache.cayenne.exp.ExpressionParameter

constructor

  public void setValue(Object value) {
    if (value == null) {
      throw new ExpressionException("Null Parameter value");
    }

    String name = value.toString().trim();
    if (name.length() == 0) {
      throw new ExpressionException("Empty Parameter value");
    }

    super.setValue(new ExpressionParameter(name));
  }
}

@Override
public void setValue(Object value) {
  if (value == null) {
    throw new ExpressionException("Null Parameter value");
  }
  String name = value.toString().trim();
  if (name.length() == 0) {
    throw new ExpressionException("Empty Parameter value");
  }
  super.setValue(new ExpressionParameter(name));
}

  comparisonValue = new ExpressionParameter(paramName);
} else {
  Object queryVal = valueMap.get("value");

comparisonValue = new ExpressionParameter(paramName);