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/**
* Rules related to runtime input validation, including {@model Changeable#type} checking.
*/
package org.openiaml.model.drools.rules.validate

#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.scopes.*;
import org.openiaml.model.model.components.*;
import org.openiaml.model.model.users.*;

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

/**
* @inference InputTextField,Label
* {@model InputTextField}s will contain a {@model Label} named 'Warning'.
*/
rule "Create 'Warning' Label for InputTextFields"
when
tf : InputTextField( )
not ( warning : Label ( name == "Warning", eContainer == tf ))

eval ( handler.veto( tf ))

then
Label warning = handler.generatedLabel(tf, tf);
handler.setName(warning, "Warning");
queue.add(warning, drools);

end

/**
* @inference SyncWire,ActivityOperation,InputTextField
* Two differently-{@model InputTextField#type typed} {@model InputTextField}s
* connected via a {@model SyncWire}
* will define an {@model Operation} within the first field
* named 'validate'.
*/
rule "When two TextFields of different types are under a SyncWire, add a 'validate' operation"
when
e1 : InputTextField( )
e1_property : Value ( e1.fieldValue == e1_property )
e2 : InputTextField( )
e2_property : Value ( e2.fieldValue == e2_property )
eval ( e1 != e2 )
sw : SyncWire ( )
eval ( functions.connects(sw, e1, e2) )

eval ( e1.getType() != e2.getType() )

not ( op : Operation ( name == "validate", eContainer == e1, eval(functions.generatedBy(sw, op)) ))

eval ( handler.veto( sw ))

then
ActivityOperation op = handler.generatedActivityOperation(sw, e1);
handler.setName(op, "validate");
queue.add(op, drools);

end

/**
* @inference SyncWire,InputTextField
* The 'validate' {@model Operation} defined to validate the type instances of
* two differently-{@model InputTextField#type typed} {@model InputTextField}s
* connected via a {@model SyncWire}
* will be {@model ECARule executed} when one of the fields {@model InputTextField#onChange change}.
*/
rule "When two TextFields of different types are under a SyncWire, call the 'validate' operation onChange"
when
e1 : InputTextField( )
e1_property : Value ( e1.fieldValue == e1_property )
e2 : InputTextField( )
e2_property : Value ( e2.fieldValue == e2_property )
eval ( e1 != e2 )
sw : SyncWire ( )
eval ( functions.connects(sw, e1, e2) )

eval ( e1.getType() != e2.getType() )

event : Event ( e1.onChange == event )

op : Operation ( name == "validate", eContainer == e1, eval(functions.generatedBy(sw, op)) )

not ( run : ECARule ( trigger == event, target == op ) )

eval ( handler.veto( sw ))

then
ECARule run = handler.generatedECARule(sw, e1, event, op);
handler.setName(run, "run");
queue.add(run, drools);

end

/**
* @inference ActivityOperation,InputTextField,SyncWire
* An {@model ActivityOperation} named 'validate', used to check the validity of two
* type instances of two {@model InputTextField}s connected via a {@model SyncWire},
* will be completed with the necessary {@model ActivityNode}s to implement this functionality.
*/
rule "Create contents of 'validate' operation"
when
e1 : InputTextField( )
e1_property : Value ( e1.fieldValue == e1_property )
e2 : InputTextField( )
e2_property : Value ( e2.fieldValue == e2_property )
eval ( e1 != e2 )
sw : SyncWire ( )
eval ( functions.connects(sw, e1, e2) )

eval ( e1.getType() != e2.getType() )

o : ActivityOperation ( name == "validate", eContainer == e1, eval(functions.generatedBy(sw, o)) )

warning : Label ( name == "Warning", eContainer == e1 )

show : Operation ( name == "show", eContainer == warning )
hide : Operation ( name == "hide", eContainer == warning )

upd : Operation ( name == "update", eContainer == warning )

not ( start : StartNode ( eContainer == o ))

eval ( handler.veto( o ))

then

StartNode start = handler.generatedStartNode(o, o);
queue.add(start, drools);

DecisionNode check = handler.generatedDecisionNode(o, o);
handler.setName(check, "can cast?");
queue.add(check, drools);

ExecutionEdge step1 = handler.generatedExecutionEdge(o, o, start, check);
queue.add(step1, drools);

CastNode cast = handler.generatedCastNode(o, o);
queue.add(cast, drools);

ExternalValue ev_e1_property = handler.generatedExternalValue(o, o);
handler.setValue(ev_e1_property, e1_property);
queue.add(ev_e1_property, drools);

ExternalValue ev_e2_property = handler.generatedExternalValue(o, o);
handler.setValue(ev_e2_property, e2_property);
queue.add(ev_e2_property, drools);

DataFlowEdge castIn = handler.generatedDataFlowEdge(o, o, ev_e1_property, cast);
queue.add(castIn, drools);

DataFlowEdge castOut = handler.generatedDataFlowEdge(o, o, cast, ev_e2_property);
queue.add(castOut, drools);

DataFlowEdge castCheck = handler.generatedDataFlowEdge(o, o, cast, check);
queue.add(castCheck, drools);

OperationCallNode callHide = handler.generatedOperationCallNode(o, o);
handler.setName(callHide, "call hide");
queue.add(callHide, drools);

ECARule runHide = handler.generatedECARule(o, o, callHide, hide);
handler.setName(runHide, "run");
queue.add(runHide, drools);

OperationCallNode callShow = handler.generatedOperationCallNode(o, o);
handler.setName(callShow, "call show");
queue.add(callShow, drools);

ECARule runShow = handler.generatedECARule(o, o, callShow, show);
handler.setName(runShow, "run");
queue.add(runShow, drools);

OperationCallNode callUpdate = handler.generatedOperationCallNode(o, o);
handler.setName(callUpdate, "update label");
queue.add(callUpdate, drools);

ECARule runUpdate = handler.generatedECARule(o, o, callUpdate, upd);
handler.setName(runUpdate, "run");
queue.add(runUpdate, drools);

// parameter for update
Value message = handler.generatedValue(o, o);
handler.setReadOnly(message, true);
handler.setName(message, "failure message");
handler.setDefaultValue(message, "Warning: Invalid input.");
queue.add(message, drools);

Parameter param = handler.generatedParameter(o, o, message, runUpdate);
queue.add(param, drools);

// check (pass) -> finish
ExecutionEdge castPass = handler.generatedExecutionEdge(o, o, check, callHide);
handler.setName(castPass, "yes");
queue.add(castPass, drools);

FinishNode finish1 = handler.generatedFinishNode(o, o);
queue.add(finish1, drools);

ExecutionEdge passFinish = handler.generatedExecutionEdge(o, o, callHide, finish1);
queue.add(passFinish, drools);

// check (fail) -> finish
ExecutionEdge castFail = handler.generatedExecutionEdge(o, o, check, callUpdate);
handler.setName(castFail, "no");
queue.add(castPass, drools);

ExecutionEdge castFail2 = handler.generatedExecutionEdge(o, o, callUpdate, callShow);
queue.add(castFail2, drools);

FinishNode finish2 = handler.generatedFinishNode(o, o);
queue.add(finish2, drools);

ExecutionEdge failFinish = handler.generatedExecutionEdge(o, o, callShow, finish2);
queue.add(failFinish, drools);

end

Change log

r3163 by soundasleep on Apr 4, 2012   Diff
spellchecking throughout project
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Older revisions

r3151 by soundasleep on Oct 13, 2011   Diff
additional model completion
documentation fixes
r3149 by soundasleep on Oct 13, 2011   Diff
improving model completion rule
documentation for Event,
BuiltinOperation, BuiltinProperty
Email.onFailure and Email.onSent were
not being generated automatically
r3147 by soundasleep on Oct 6, 2011   Diff
cleaning up Drools rule package
documentation
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