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Full Discussion: c++ code
Top Forums Programming c++ code Post 302596928 by knowledgeSeeker on Wednesday 8th of February 2012 04:37:44 PM
Old 02-08-2012
c++ code
Dear All,

I know java but I am a newbie in c++ and I am trying to learn ns3 .

could anybody tell me what is going on in this two code snippets? ( these are talking from Chap 7 , ns3 tutorial)


Code:
class MyObject : public Object   {   public:     static TypeId GetTypeId (void)     {       static TypeId tid = TypeId ("MyObject")         .SetParent (Object::GetTypeId ())         .AddConstructor<MyObject> ()         .AddTraceSource ("MyInteger",                          "An integer value to trace.",                          MakeTraceSourceAccessor (&MyObject::m_myInt))         ;       return tid;     }          MyObject () {}     TracedValue<int32_t> m_myInt;   };

Code:
int   main (int argc, char *argv[])   {     Ptr<MyObject> myObject = CreateObject<MyObject> ();     myObject->TraceConnectWithoutContext ("MyInteger", MakeCallback(&IntTrace));        myObject->m_myInt = 1234;   }

your help is HIGHLY appreciated

---------- Post updated at 11:37 PM ---------- Previous update was at 11:32 PM ----------

I will post the code snippets again here .

class MyObject : public Object
{
public:
static TypeId GetTypeId (void)
{
static TypeId tid = TypeId ("MyObject")
.SetParent (Object::GetTypeId ())
.AddConstructor<MyObject> ()
.AddTraceSource ("MyInteger",
"An integer value to trace.",
MakeTraceSourceAccessor (&MyObject::m_myInt))
;
return tid;
}
MyObject () {}
TracedValue<int32_t> m_myInt;
};

void
IntTrace (int32_t oldValue, int32_t newValue)
{
std::cout << "Traced " << oldValue << " to " << newValue << std::endl;
}
 

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LEARN ABOUT MOJAVE

schemagen

schemagen(1)						      General Commands Manual						      schemagen(1)

NAME

       schemagen - Java(TM) Architecture for XML Binding Schema Generator Specification Version: 2.0
       Reference Implementation (RI) Version: 2.0 ea3

   Launching schemagen
       The schema generator can be launched using the appropriate schemagen shell script in the bin directory for your platform.

       The current schema generator can process either Java source files or class files.

       We also provide an Ant task to run the schema generator - see the instructions for using schemagen with Ant.

	  For Solaris/Linux

		% path/to/jaxb/bin/schemagen.sh Foo.java Bar.java ...
		Note: Writing schema1.xsd

	  For WindowsNT/2000/XP

		> path	ojaxbinschemagen.bat Foo.java Bar.java ...
		Note: Writing schema1.xsd

       If your java sources/classes reference other classes, they must be accessable on your system CLASSPATH environment variable, or they need
       to be given to the tool by using the -classpath/-cp options. Otherwise you will see errors when generating your schema.

	  Command Line Options

	     Usage: schemagen [-options ...] <java files>

	     Options:
		 -d <path>	   :  Specify where to place processor and javac generated class files
		 -cp <path>	   :  Specify where to find user specified files
		 -classpath <path> :  Specify where to find user specified files
		 -help		   :  Display this usage message

   Generated Resource Files
       The current schema generator simply creates a schema file for each namespace referenced in your Java classes. There is no way to control
       the name of the generated schema files at this time. For that purpose, use the schema generator ant task.

See Also
	  o JAXB 2.0:

	     * Release Notes @
	       http://java.sun.com/webservices/docs/2.0/jaxb/ReleaseNotes.html

	     * XJC @
	       http://java.sun.com/webservices/docs/2.0/jaxb/xjc.html

	     * XJCTask @
	       http://java.sun.com/webservices/docs/2.0/jaxb/xjcTask.html

	     * SchemaGen @
	       http://java.sun.com/webservices/docs/2.0/jaxb/schemagen.html

	     * schemagenTask @
	       http://java.sun.com/webservices/docs/2.0/jaxb/schemagenTask.html

	     * Sample Apps @
	       http://java.sun.com/webservices/docs/2.0/jaxb/samples.html

	     * Changelog @
	       http://java.sun.com/webservices/docs/2.0/jaxb/changelog2.html

	  o JAXB 1.0.x:

	     * Release Notes @
	       http://java.sun.com/webservices/docs/2.0/jaxb/jaxb-1_0.html

	     * Changelog @
	       http://java.sun.com/webservices/docs/2.0/jaxb/changelog.html

	  o JAXB RI Extensions:

	     * Runtime Properties @
	       http://java.sun.com/webservices/docs/2.0/jaxb/vendorProperties.html

	     * XJC Customizations @
	       http://java.sun.com/webservices/docs/2.0/jaxb/vendorCustomizations.html

	     * Develop Plugins @
	       http://java.sun.com/webservices/docs/2.0/jaxb/developPlugins.html

	  o JAXB RI Schema Languages:

	     * W3C XML Schema @
	       http://java.sun.com/webservices/docs/2.0/jaxb/vendorSchemaLangs.html#xschema

	     * RELAX NG @
	       http://java.sun.com/webservices/docs/2.0/jaxb/vendorSchemaLangs.html#relaxng

	     * DTD @
	       http://java.sun.com/webservices/docs/2.0/jaxb/vendorSchemaLangs.html#dtd

	  o JAXB Community:

	     * Java.net Homepage @
	       http://jaxb.dev.java.net

	     * Developer interest list @
	       https://jaxb.dev.java.net/servlets/ProjectMailingListList

	     * FAQ @
	       https://jaxb.dev.java.net/faq/index.html

								    07 Aug 2006 						      schemagen(1)
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