equals.stg

/**
* Copyright (C) 2014 41concepts Aps
*
* This is a helper template group file that is responsible for generating the equals method.
**/
method_equals_Object(clazz, method) ::= <<
<@javadoc><JavaDocMethod(method)><@end><@annotations><method.annotations:annotationLine()><@end><\\>
<declare_method(clazz, method)>
{
  <@preamble><@end>
  <@sameinstancecheck>
  if (this == <first(method.parameters).name>)
    return true;
  <@end>
  <@nullcheck>
  if (<first(method.parameters).name> == null)
    return false;
  <@end>
  <@supercheck>
  <if(!method.declaringType.rootObject)>
  if (!super.equals(obj))
    return false;
  <endif>
  <@end>
  <@typecheck>
  if (getClass() != <first(method.parameters).name>.getClass())
    return false;
  <@end>

  <if(clazz.anyMembers)>
  @SuppressWarnings("unchecked")
  <clazz.prototypicalName> <uniqueVariableName(clazz,"other")> = (<clazz.prototypicalName>) <first(method.parameters).name>;
  <endif>

  <@postamble><@end>
  return <@returnvalue><if(clazz.anyMembers)>(<clazz.members:{m | <(equalsTemplateNamesByTypeCategory.(m.type.typeCategory))(clazz, m.name, m.type)>}; wrap, anchor, separator=" && ">)<else>true<endif><@end>;
}
>>

equalsTemplateNamesByTypeCategory ::= [ "PRIMITIVE": "equals_primitive", "ARRAY": "equals_array", default: "equals_object"]

equals_primitive(clazz, var, type) ::= <%
<if(type.primitiveFloat)>
(Float.floatToIntBits(<var>) == Float.floatToIntBits(<uniqueVariableName(clazz,"other")>.<var>))
<elseif(type.primitiveDouble)>
(Double.doubleToLongBits(<var>) == Double.doubleToLongBits(<uniqueVariableName(clazz,"other")>.<var>))
<else>
(<var> == <uniqueVariableName(clazz,"other")>.<var>)
<endif>
%>

equals_array(clazz, var, type) ::= <%
<if(type.multiDimensionalArray)>
<clazz.helperTypes.javaUtilArrays.name>.deepEquals(<var>, <uniqueVariableName(clazz,"other")>.<var>)
<else>
<clazz.helperTypes.javaUtilArrays.name>.equals(<var>, <uniqueVariableName(clazz,"other")>.<var>)
<endif>
%>

equals_object(clazz, var, type) ::= <%
<clazz.helperTypes.javaUtilObjects.name>.equals(<var>, <uniqueVariableName(clazz,"other")>.<var>)
%>