How to use

getNamedParameterExpectedType

method

in

org.hibernate.engine.query.spi.ParameterMetadata

protected Type determineType(String paramName, Object paramValue, Type defaultType) {
  Type type = parameterMetadata.getNamedParameterExpectedType( paramName );
  if ( type == null ) {
    type = defaultType;
  }
  return type;
}

protected Type determineType(String paramName, Object paramValue, Type defaultType) {
  Type type = parameterMetadata.getNamedParameterExpectedType( paramName );
  if ( type == null ) {
    type = defaultType;
  }
  return type;
}

protected Type determineType(String paramName, Object paramValue) throws HibernateException {
  Type type = parameterMetadata.getNamedParameterExpectedType( paramName );
  if ( type == null ) {
    type = guessType( paramValue );
  }
  return type;
}

protected Type determineType(String paramName, Class clazz) throws HibernateException {
  Type type = parameterMetadata.getNamedParameterExpectedType( paramName );
  if ( type == null ) {
    type = guessType( clazz );
  }
  return type;
}

protected Type determineType(String paramName, Class clazz) throws HibernateException {
  Type type = parameterMetadata.getNamedParameterExpectedType( paramName );
  if ( type == null ) {
    type = guessType( clazz );
  }
  return type;
}

protected Type determineType(String paramName, Object paramValue) throws HibernateException {
  Type type = parameterMetadata.getNamedParameterExpectedType( paramName );
  if ( type == null ) {
    type = guessType( paramValue );
  }
  return type;
}

public Query setParameter(String name, Object val) throws HibernateException {
  if (val == null) {
    Type type = parameterMetadata.getNamedParameterExpectedType( name );
    if ( type == null ) {
      type = StandardBasicTypes.SERIALIZABLE;
    }
    setParameter( name, val, type );
  }
  else {
    setParameter( name, val, determineType( name, val ) );
  }
  return this;
}

public Query setParameter(String name, Object val) throws HibernateException {
  if (val == null) {
    Type type = parameterMetadata.getNamedParameterExpectedType( name );
    if ( type == null ) {
      type = StandardBasicTypes.SERIALIZABLE;
    }
    setParameter( name, val, type );
  }
  else {
    setParameter( name, val, determineType( name, val ) );
  }
  return this;
}