public static Projection alias(Projection projection,
    String alias) 
{
		return new AliasedProjection(projection, alias);
}

Assign an alias to a projection, by wrapping it

 public static AggregateProjection avg(String propertyName) 
{
		return new AvgProjection(propertyName);
}

A property average value

 public static CountProjection count(String propertyName) 
{
		return new CountProjection(propertyName);
}

A property value count

 public static CountProjection countDistinct(String propertyName) 
{
		return new CountProjection(propertyName).setDistinct();
}

A distinct property value count

 public static Projection distinct(Projection proj) 
{
		return new Distinct(proj);
}

Create a distinct projection from a projection

 public static PropertyProjection groupProperty(String propertyName) 
{
		return new PropertyProjection(propertyName, true);
}

A grouping property value

 public static IdentifierProjection id() 
{
		return new IdentifierProjection();
}

A projected identifier value

 public static AggregateProjection max(String propertyName) 
{
		return new AggregateProjection("max", propertyName);
}

A property maximum value

 public static AggregateProjection min(String propertyName) 
{
		return new AggregateProjection("min", propertyName);
}

A property minimum value

 public static ProjectionList projectionList() 
{
		return new ProjectionList();
}

Create a new projection list

 public static PropertyProjection property(String propertyName) 
{
		return new PropertyProjection(propertyName);
}

A projected property value

 public static Projection rowCount() 
{
		return new RowCountProjection();
}

The query row count, ie. count(*)

 public static Projection sqlGroupProjection(String sql,
    String groupBy,
    String[] columnAliases,
    Type[] types) 
{
		return new SQLProjection(sql, groupBy, columnAliases, types);
}

A grouping SQL projection, specifying both select clause and group by clause fragments

 public static Projection sqlProjection(String sql,
    String[] columnAliases,
    Type[] types) 
{
		return new SQLProjection(sql, columnAliases, types);
}

A SQL projection, a typed select clause fragment

 public static AggregateProjection sum(String propertyName) 
{
		return new AggregateProjection("sum", propertyName);
}

A property value sum