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____________________________________________________________

RELEASE NOTES
BRAHMS Version 0.7.4
____________________________________________________________

Contents:

RELEASE SUMMARY
UPGRADE ADVICE
SUMMARY CHANGE LOG
FULL CHANGE LOG

If you are in a rush, please read at least as far as the end
of "UPGRADE ADVICE" to avoid the most obvious problems.



____________________________________________________________

RELEASE SUMMARY:

This is primarily a consolidation release, but also adds 
consistent support for process & thread priority control 
across WIN and NIX. Alpha releases of two new bindings are 
included. There is the usual smattering of bug fixes and 
performance improvements.



____________________________________________________________

UPGRADE ADVICE:

Namespace Layout:
	Legacy support for the brahms/imp/1199/0 pattern has 
	been removed. If you are still using this pattern, 
	collapse the directory structure to brahms/0, and 
	install a node.xml and release.xml file, if they are 
	not already present. See documentation on Namespace.

1199:
	All components will need recompiling. Some minor 
	changes to your code are needed to support the 
	removal of some mistakes from the Component 
	Interface, as follows.

	1) The declaration of XMLNode has changed so that 
	you now have to pass a first parameter "hComponent". 
	Search for any use of XMLNode, and add the first 
	parameter (hComponent is defined within the 
	Component Class). An example is given below.

change this:

	//	extract DataML
	EventStateSet* data = (EventStateSet*) event->data;
	XMLNode xmlNode(data->state);
	DataMLNode nodeState(&xmlNode);

to this:

	//	extract DataML
	EventStateSet* data = (EventStateSet*) event->data;
	XMLNode xmlNode(hComponent, data->state);
	DataMLNode nodeState(&xmlNode);

	2) The method for accessing Execution Parameters has 
	changed.

use this within your component:

	string value = getParameterString("key");

or use this within a non-member function:

	string value = getParameterString(hComponent, 
	"key");

(for the latter, you will have to pass in hComponent to your 
function).
	
	3) If you use them (chances are you don't), the 
	interfaces provided by data/numeric and 
	spikes/numeric have dropped "due()" and "seen()" and 
	added "isPresent()" (almost equivalent to "due()") 
	and "isAttached()" (plays a similar role to 
	"seen()"). See the docuemntation for those 
	interfaces if you need to update your code.

1065:
	Obsoleted - upgrade to 1199, see 
	http://brahms.sourceforge.net/docs/Upgrading%20to%20
	1199.html and the notes above.

1258/1262:
	No changes necessary.


____________________________________________________________

SUMMARY CHANGE LOG:

* various bug fixes, performance updates, improved error 
messages, improved docs.

* applied patch 2457.

* added COMPONENT_INTERFACE_REVISION to specify interface 
support required (if left undefined, all legacy support is 
provided).

* renamed
	- OVERLAY_QUICKSTART_PROCESS --> 
	COMPONENT_QUICKSTART_PROCESS
	- due() --> isPresent() (see also isAttached())
	- ARCH_BITS --> BRAHMS_ARCH_BITS

* changed version information binary format - REQUIRES 
RECOMPILE OF ALL COMPONENTS

* removed ExecutionInfo; use instead 
ENGINE_EVENT_GET_PARAMETER_STRING (or getParameterString() 
in 1199).

* added parameter to XMLNode ctor so that it has hComponent 
- REQUIRES CODE UPDATE

* changed all engine events that return strings so that the 
caller provides the buffer.

* changed 64-bit Symbol to be UINT32.

* added new Matlab Bindings 2530 - THESE ARE IN ALPHA, AND 
SHOULD NOT BE USED IN PRODUCTION CODE.

* added component-side binding 2510 - THIS IS IN ALPHA, AND 
SHOULD NOT BE USED IN PRODUCTION CODE.

* added support for partial management of process & thread 
priority on both windows and nix. see new behaviour of 
Execution Parameter "Priority".

* removed support for old brahms/imp/1199/0 folder layout 
(in loader.cpp). users should be advised how to fix this, if 
they are still using a legacy layout.



____________________________________________________________

FULL CHANGE LOG:

see these files:
<brahms svn repository>/tags/0.7.4/change.log



Source: README, updated 2012-01-09