sfc2.setFieldName( "field2" );
sfc2.setFieldType( DataType.TYPE_STRING );
sfc2.setConstraintValueType( SingleFieldConstraint.TYPE_TEMPLATE );
sfc2.setValue( "$f2" );
sfc2.setOperator( "==" );
comp.addConstraint( sfc2 );
CompositeFieldConstraint comp2 = new CompositeFieldConstraint();
comp2.setCompositeJunctionType( CompositeFieldConstraint.COMPOSITE_TYPE_AND );
final SingleFieldConstraint comp2sfc1 = new SingleFieldConstraint();
comp2sfc1.setFieldType( DataType.TYPE_STRING );