#if ( $fields.size() > 0 )
#set ( $i = 0 )
    return new StringBuffer("$classname{")
#foreach( $field in $fields )
#if ( $i == 0 )
    .append("##
#else
    .append("; ##
#end
#if ( $field.primitiveArray )
$field.name=").append($field.name == null ? null : (new StringBuffer("length:").append($field.name .length)))
#elseif ( $field.objectArray )
$field.name=").append($field.name == null ? null : (new StringBuffer("value:").append(Arrays.asList($field.name)).append("length:").append($field.name .length)))
#elseif ( $field.collection || $field.map )
$field.name=").append($field.name == null ? null : (new StringBuffer("size:").append($field.name .size()).append($field.name)))
#elseif ( $field.string )
$field.name='").append($field.name).append("'")
#else
$field.name=").append($field.name)
#end
#set ( $i = $i + 1 )
#end
    .append("}").append(super.toString()).toString();
#else
    return "$classname{}";
#end