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/**
 * Recursively connects {@model SimpleCondition}s and {@model Parameter}s with respect to model completion on {@model Wire}s.
 */
package org.openiaml.model.drools.rules.conditions

#list any import classes here.
import org.openiaml.model.drools.*;

import org.openiaml.model.inference.*;
import org.openiaml.model.model.*;
import org.openiaml.model.model.impl.*;
import org.openiaml.model.model.wires.*;
import org.openiaml.model.model.visual.*;
import org.openiaml.model.model.operations.*;
import org.openiaml.model.model.domain.*;

#declare any global variables here
global OverridableCreateElementsHelper handler;
global DroolsInsertionQueue queue;
global DroolsHelperFunctions functions;

# TODO can we put this function into something global?
function boolean connects(Wire wire, Object a, Object b) {
	return (wire.getFrom().equals(a) && wire.getTo().equals(b)) ||
		(wire.getFrom().equals(b) && wire.getTo().equals(a));
}

/**
 * TODO these rules should be refactored somehow.
 *
 * @inference SyncWire,ECARule,SimpleCondition
 *		All {@model SimpleCondition conditions} against a {@model SyncWire} will be
 *		copied to each {@model ECARule} subsequently created as connected to the
 *		{@model Changeable#onChange} {@model Event}s.
 */
rule "Connect SimpleConditions to ECARules created by SyncWires (edit/update) (onChange)"
	when
		# we have a sync wire
		sw : SyncWire( )
		source : Changeable( )
		target : ContainsOperations( )
		eval(functions.connects(sw, source, target))  
		
		# which has a run wire between event and operation (generated)
		event : Event( source.onChange == event )
		operation : Operation( eContainer == target, name=="update" )		
		run : ECARule( eContainer == sw, trigger == event, target == operation, name == "run" )
		
		# and the sync wire had a condition
		condition : Function ( )
		sourceCw : SimpleCondition( function == condition, conditioned == sw )
		
		# but our run wire doesn't 
		not (SimpleCondition ( function == condition, conditioned == run )) 
			
		eval ( handler.veto( sourceCw ))
		
	then
		# copy the condition
		SimpleCondition cw = handler.generatedSimpleCondition( sourceCw, sw, condition, run );
		handler.setName(cw, "copied condition: " + sourceCw.getId());
		queue.add(cw, drools);

end

/**
 * @inference SyncWire,ECARule,SimpleCondition
 *		All {@model SimpleCondition conditions} against a {@model SyncWire} will be
 *		copied to each {@model ECARule} subsequently created as connected to the
 *		{@model Accessible#onAccess} {@model Event}s.
 */
rule "Connect SimpleConditions to ECARules created by SyncWires (access/init) (onAccess)"
	when
		# we have a sync wire
		sw : SyncWire( )
		source : Accessible( )
		target : ContainsOperations( )
		eval(functions.connects(sw, source, target))  
		
		# which has a run wire between event and operation (generated)
		event : Event( source.onAccess == event )
		operation : Operation( eContainer == source, name=="init" )		
		run : ECARule( eContainer == sw, trigger == event, target == operation, name == "run" )
		
		# and targets' value is being used for source's init
		fvalue : Value ( target.fieldValue == fvalue )
		param : Parameter ( parameterValue == fvalue, parameterTerm == run ) 
		
		# and the sync wire had a condition
		condition : Function ( )
		sourceCw : SimpleCondition( function == condition, conditioned == sw )
		
		# but our run wire doesn't 
		not (SimpleCondition ( function == condition, conditioned == run )) 
			
		eval ( handler.veto( sourceCw ))
		
	then
		# copy the condition
		SimpleCondition cw = handler.generatedSimpleCondition( sourceCw, sw, condition, run );
		handler.setName(cw, "copied condition: " + sourceCw.getId());
		queue.add(cw, drools);

end

/**
 * @inference SyncWire,ECARule,SimpleCondition,Parameter
 *		All {@model Parameter}s for each {@model SimpleCondition conditions} against a {@model SyncWire} will be
 *		copied to each {@model ECARule} subsequently created as connected to the
 *		{@model Changeable#onChange} {@model Event}s.
 */
rule "Connect Parameters to SimpleConditions connected to ECARules created by SyncWires (edit/update) (onChange)"
	when
		# we have a syncwire
		sw : SyncWire( )
		source : Changeable( )
		target : ContainsOperations( )
		eval(functions.connects(sw, source, target))  
		
		# that has created a ECARule
		event : Event( source.onChange == event )
		operation : Operation( eContainer == target, name=="update" )
		run : ECARule( eContainer == sw, trigger == event, target == operation, name == "run" )

		# and this SyncWire has a condition
		condition : Function ( )
		sourceCw : SimpleCondition ( function == condition, conditioned == sw )
		
		# and the ECARule has the same condition 
		targetCw : SimpleCondition ( function == condition, conditioned == run ) 
		
		# and the SyncWire had a parameter
		param : ParameterEdgesSource ( )
		paramWire : Parameter( parameterValue == param, parameterTerm == sourceCw )

		# but this wire does not have it
		not ( Parameter ( parameterValue == param, parameterTerm == targetCw ))
			
		eval ( handler.veto( sourceCw ))
		
	then
		Parameter pw = handler.generatedParameter( sourceCw, sw, param, targetCw );
		//cw.setName("copied parameter: " + paramWire.getName());
		handler.setName(pw, "[conditions] sync from: " + paramWire.getId() + " param=" + ((GeneratedElement) param).getId() + " run=" + run.getId() );
		queue.add(pw, drools);

end

/**
 * @inference SyncWire,ECARule,SimpleCondition,Parameter
 *		All {@model Parameter}s for each {@model SimpleCondition conditions} against a {@model SyncWire} will be
 *		copied to each {@model ECARule} subsequently created as connected to the
 *		{@model Accessible#onAccess} {@model Event}s.
 */
rule "Connect Parameters to SimpleConditions connected to ECARules created by SyncWires (access/init) (onAccess)"
	when
		# we have a syncwire
		sw : SyncWire( )
		source : Accessible( )
		target : ContainsOperations( )
		eval(functions.connects(sw, source, target))  
		
		# that has created a ECARule
		event : Event( source.onAccess == event )
		operation : Operation( eContainer == source, name=="init" )
		run : ECARule( eContainer == sw, trigger == event, target == operation, name == "run" )

		# and targets' value is being used for source's init
		fvalue : Value ( target.fieldValue == fvalue ) 
		param2 : Parameter ( parameterValue == fvalue, parameterTerm == run ) 

		# and this SyncWire has a condition
		condition : Function ( )
		sourceCw : SimpleCondition( function == condition, conditioned == sw )
		
		# and the ECARule has the same condition 
		targetCw : SimpleCondition ( function == condition, conditioned == run ) 
		
		# and the SyncWire had a parameter
		param : ParameterEdgesSource ( )
		paramWire : Parameter( parameterValue == param, parameterTerm == sourceCw )

		# but this wire does not have it
		not ( Parameter ( parameterValue == param, parameterTerm == targetCw ))
			
		eval ( handler.veto( sourceCw ))
		
	then
		Parameter pw = handler.generatedParameter( sourceCw, sw, param, targetCw );
		//cw.setName("copied parameter: " + paramWire.getName());
		handler.setName(pw, "[conditions] sync from: " + paramWire.getId() + " param=" + ((GeneratedElement) param).getId() + " run=" + run.getId() );
		queue.add(pw, drools);

end

// -- the following rules are duplicated, using SetWire instead of SyncWire --

/**
 * @inference SetWire,ECARule,SimpleCondition
 *		All {@model SimpleCondition conditions} against a {@model SetWire} will be
 *		copied to each {@model ECARule} subsequently created as connected to the
 *		{@model Changeable#onChange} {@model Event}s.
 */
rule "Connect SimpleConditions to ECARules created by SetWires (edit/update) (onChange)"
	when
		# we have a sync wire
		sw : SetWire( )
		source : Changeable( )
		target : ContainsOperations( )
		eval(functions.connects(sw, source, target))  
		
		# which has a run wire between event and operation (generated)
		event : Event( source.onChange == event )
		operation : Operation( eContainer == target, name=="update" )		
		run : ECARule( eContainer == sw, trigger == event, target == operation, name == "run" )
		
		# and the sync wire had a condition
		condition : Function ( )
		sourceCw : SimpleCondition( function == condition, conditioned == sw )
		
		# but our run wire doesn't 
		not (SimpleCondition ( function == condition, conditioned == run )) 
			
		eval ( handler.veto( sourceCw ))
		
	then
		# copy the condition
		SimpleCondition cw = handler.generatedSimpleCondition( sourceCw, sw, condition, run );
		handler.setName(cw, "copied condition: " + sourceCw.getId());
		queue.add(cw, drools);

end

/**
 * @inference SetWire,ECARule,SimpleCondition
 *		All {@model SimpleCondition conditions} against a {@model SetWire} will be
 *		copied to each {@model ECARule} subsequently created as connected to the
 *		{@model Changeable#onChange} {@model Event}s.
 */
rule "Connect SimpleConditions to ECARules created by SetWires (access/init) (onAccess)"
	when
		# we have a sync wire
		sw : SetWire( )
		source : Accessible( )
		target : ContainsOperations( )
		eval(functions.connects(sw, source, target))  
		
		# which has a run wire between event and operation (generated)
		event : Event( source.onAccess == event )
		operation : Operation( eContainer == source, name=="init" )		
		run : ECARule( eContainer == sw, trigger == event, target == operation, name == "run" )
		
		# and targets' value is being used for source's init
		fvalue : Value ( target.fieldValue == fvalue )
		param : Parameter ( parameterValue == fvalue, parameterTerm == run ) 
		
		# and the sync wire had a condition
		condition : Function ( )
		sourceCw : SimpleCondition( function == condition, conditioned == sw )
		
		# but our run wire doesn't 
		not (SimpleCondition ( function == condition, conditioned == run )) 
			
		eval ( handler.veto( sourceCw ))
		
	then
		# copy the condition
		SimpleCondition cw = handler.generatedSimpleCondition( sourceCw, sw, condition, run );
		handler.setName(cw, "copied condition: " + sourceCw.getId());
		queue.add(cw, drools);

end

/**
 * @inference SetWire,ECARule,SimpleCondition,Parameter
 *		All {@model Parameter}s for each {@model SimpleCondition conditions} against a {@model SetWire} will be
 *		copied to each {@model SimpleCondition} subsequently created for {@model ECARule}s connected to the
 *		{@model Changeable#onChange} {@model Event}s.
 */
rule "Connect Parameters to SimpleConditions connected to ECARules created by SetWires (edit/update) (onChange)"
	when
		# we have a syncwire
		sw : SetWire( )
		source : Changeable( )
		target : ContainsOperations( )
		eval(functions.connects(sw, source, target))  
		
		# that has created a ECARule
		event : Event( source.onChange == event )
		operation : Operation( eContainer == target, name=="update" )
		run : ECARule( eContainer == sw, trigger == event, target == operation, name == "run" )

		# and this SyncWire has a condition
		condition : Function ( )
		sourceCw : SimpleCondition ( function == condition, conditioned == sw )
		
		# and the ECARule has the same condition 
		targetCw : SimpleCondition ( function == condition, conditioned == run ) 
		
		# and the SyncWire had a parameter
		param : ParameterEdgesSource ( )
		paramWire : Parameter( parameterValue == param, parameterTerm == sourceCw )

		# but this wire does not have it
		not ( Parameter ( parameterValue == param, parameterTerm == targetCw ))
			
		eval ( handler.veto( sourceCw ))
		
	then
		Parameter pw = handler.generatedParameter( sourceCw, sw, param, targetCw );
		//cw.setName("copied parameter: " + paramWire.getName());
		handler.setName(pw, "[conditions] sync from: " + paramWire.getId() + " param=" + ((GeneratedElement) param).getId() + " run=" + run.getId() );
		queue.add(pw, drools);

end

/**
 * @inference SetWire,ECARule,SimpleCondition,Parameter
 *		All {@model Parameter}s for each {@model SimpleCondition conditions} against a {@model SetWire} will be
 *		copied to each {@model SimpleCondition} subsequently created for {@model ECARule}s connected to the
 *		{@model Accessible#onAccess} {@model Event}s.
 */
rule "Connect Parameters to SimpleConditions connected to ECARules created by SetWires (access/init) (onAccess)"
	when
		# we have a syncwire
		sw : SetWire( )
		source : Accessible( )
		target : ContainsOperations( )
		eval(functions.connects(sw, source, target))  
		
		# that has created a ECARule
		event : Event( source.onAccess == event )
		operation : Operation( eContainer == source, name=="init" )
		run : ECARule( eContainer == sw, trigger == event, target == operation, name == "run" )

		# and targets' value is being used for source's init
		fvalue : Value ( target.fieldValue == fvalue ) 
		param2 : Parameter ( parameterValue == fvalue, parameterTerm == run ) 

		# and this SyncWire has a condition
		condition : Function ( )
		sourceCw : SimpleCondition ( function == condition, conditioned == sw )
		
		# and the ECARule has the same condition 
		targetCw : SimpleCondition ( function == condition, conditioned == run ) 
		
		# and the SyncWire had a parameter
		param : ParameterEdgesSource ( )
		paramWire : Parameter( parameterValue == param, parameterTerm == sourceCw )

		# but this wire does not have it
		not (Parameter ( parameterValue == param, parameterTerm == targetCw ))
			
		eval ( handler.veto( sourceCw ))
		
	then
		Parameter pw = handler.generatedParameter( sourceCw, sw, param, targetCw );
		//cw.setName("copied parameter: " + paramWire.getName());
		handler.setName(pw, "[conditions] sync from: " + paramWire.getId() + " param=" + ((GeneratedElement) param).getId() + " run=" + run.getId() );
		queue.add(pw, drools);

end