/
BComponent.java
1199 lines (1076 loc) · 42 KB
/
BComponent.java
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import java.util.Vector;
import java.util.List;
import java.io.*;
/******************************
* Copyright (c) 2003,2019 Kevin Lano
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
* *****************************/
public class BComponent extends ModelElement
{ private static final Vector basicTypes;
static { basicTypes = new Vector();
basicTypes.add("int");
basicTypes.add("double");
basicTypes.add("boolean");
}
private Vector seesList = new Vector(); // String
private Vector usesList = new Vector(); // String
private Vector includesList =
new Vector(); // String
private Vector promotes = new Vector(); // String
private Vector types = new Vector(); // BTypeDec
private Vector constants = new Vector(); // String
private Vector properties = new Vector(); // BExpression
private Vector variables = new Vector(); // String
private Vector attributes = new Vector(); // Attribute
private Vector roles = new Vector(); // Association
private Vector constraints = new Vector(); // Constraint
private Vector invariants = new Vector(); // BExpression
private Vector initialisation = new Vector(); // BStatement
private Vector operations = new Vector(); // BOp
private BExpression objs; // represents cs
private BExpression cobj; // represents C_OBJ
public BComponent(String nme, Entity superclass)
{ super(nme);
String objset = nme.toLowerCase() + "s";
objs = new BBasicExpression(objset);
cobj = new BBasicExpression(nme + "_OBJ");
if (superclass == null)
{ BExpression inv0 =
new BBinaryExpression("<:",objs,cobj);
inv0.setCategory(BExpression.ROOT);
invariants.add(0,inv0); // cs <: C_OBJ
}
variables.add(objset);
BExpression empty =
new BSetExpression(new Vector());
initialisation.add(
new BAssignStatement(objs,empty));
} // probably addSees("Bool_TYPE"), INT, STRING
public BComponent(Entity e,Vector entities,Vector types, Vector cons)
{ this(e.getName(),e.getSuperclass());
addSees("SystemTypes");
Vector atts = e.getAttributes();
Vector asocs = e.getAssociations();
Vector subs = e.getSubclasses();
Vector invs = e.getInvariants();
Vector interfaces = e.getInterfaces();
constraints = invs;
Vector ops = e.getOperations();
System.out.println("*** CREATING B Component: " + e +
" Local invariants are:\n" +
invs + " global are:\n" + cons);
// cons should actually be invs
for (int i = 0; i < interfaces.size(); i++)
{ Entity intf = (Entity) interfaces.get(i);
BExpression iobj = new BBasicExpression(intf.getName() + "_OBJ");
BExpression inv0 =
new BBinaryExpression("<:",cobj,iobj);
inv0.setCategory(BExpression.ROOT);
invariants.add(0,inv0); // C_OBJ <: I_OBJ
addSees(intf.getName());
}
for (int i = 0; i < atts.size(); i++)
{ Attribute att = (Attribute) atts.get(i);
addAttribute(att,e,entities,types,cons);
}
Vector allinvfeats = Constraint.allFeaturesUsedIn(invs);
Vector oldatts = e.allInheritedAttributes();
for (int j = 0; j < oldatts.size(); j++)
{ Attribute oldatt = (Attribute) oldatts.get(j);
if (allinvfeats.contains(oldatt.getName()))
{ addsetOperation(oldatt,e,entities,types,cons); }
} // likewise for associations
for (int j = 0; j < asocs.size(); j++)
{ Association ast = (Association) asocs.get(j);
String role2 = ast.getRole2();
addRole(role2,ast,e,entities,types,cons);
}
/* if (e.isAssociationClass())
{ Association astcl = e.getLinkedAssociation();
Entity e1 = astcl.getEntity1();
Entity e2 = astcl.getEntity2();
String r1nme = e1.getName().toLowerCase();
String r2nme = e2.getName().toLowerCase();
Association virtual1 =
new Association(e,e1,ModelElement.MANY,ModelElement.ONE,null,r1nme);
Association virtual2 =
new Association(e,e2,ModelElement.MANY,ModelElement.ONE,null,r2nme);
addRole(r1nme,virtual1,e,entities,types,cons);
addRole(r2nme,virtual2,e,entities,types,cons);
} */ // add roles from it to end classes
Vector oldasts = e.allInheritedAssociations();
for (int j = 0; j < oldasts.size(); j++)
{ Association oldast = (Association) oldasts.get(j);
if (allinvfeats.contains(oldast.getRole2()))
{ addsetOperation(oldast,e,entities,types,cons); }
}
for (int q = 0; q < ops.size(); q++)
{ BehaviouralFeature op = (BehaviouralFeature) ops.get(q);
BOp bop = op.getBOperationCode(e,entities,types);
if (bop != null)
{ operations.add(bop); }
if (op.isQuery())
{ constants.add(op.getName() + "_" + e);
properties.add(op.buildBConstantDefinition(e,entities,types));
}
}
if (subs.size() > 0)
{ for (int k = 0; k < subs.size(); k++)
{ Entity sb = (Entity) subs.get(k);
BComponent bs = new BComponent(sb,entities,types,sb.getInvariants());
union(bs,e,sb);
addSubclassAxiom(sb);
usesList.remove(sb.getName());
}
}
for (int p = 0; p < invs.size(); p++)
{ Constraint inv = (Constraint) invs.get(p);
if (inv.getEvent() != null) { continue; }
BExpression binv = inv.binvariant();
binv.setCategory(BExpression.LOGICAL);
invariants.add(binv);
}
if (e.hasStereotype("target")) { }
else if (e.getSuperclass() == null)
{ buildConstructor(e); }
usesList.remove(getName());
} // if e abstract, no constructor, and union
// of subclass sets equals it.
public BComponent(String nme,Vector interfaces) // for an interface
{ super(nme);
cobj = new BBasicExpression(nme + "_OBJ");
for (int i = 0; i < interfaces.size(); i++)
{ Entity intf = (Entity) interfaces.get(i);
BExpression iobj = new BBasicExpression(intf.getName() + "_OBJ");
BExpression inv0 =
new BBinaryExpression("<:",cobj,iobj);
inv0.setCategory(BExpression.ROOT);
invariants.add(inv0); // C_OBJ <: I_OBJ
addSees(intf.getName());
}
} // probably addSees("Bool_TYPE"), INT, STRING
// For interfaces:
public BComponent(Vector entities, Vector types, Vector cons, Entity e)
{ this(e.getName(),e.getInterfaces());
addSees("SystemTypes");
Vector atts = e.getAttributes();
Vector invs = e.getInvariants();
constraints = invs;
Vector ops = e.getOperations();
for (int i = 0; i < atts.size(); i++)
{ Attribute att = (Attribute) atts.get(i);
if (att.isClassScope() && att.isFrozen())
{ addInterfaceAttribute(att,e,new Vector(),types,cons); }
}
for (int p = 0; p < invs.size(); p++)
{ Constraint inv = (Constraint) invs.get(p);
if (inv.getEvent() != null) { continue; }
BExpression binv = inv.binvariant();
binv.setCategory(BExpression.LOGICAL);
invariants.add(binv);
}
for (int q = 0; q < ops.size(); q++)
{ BehaviouralFeature op = (BehaviouralFeature) ops.get(q);
BOp bop = op.getBOperationCode(e,entities,types);
if (bop != null)
{ operations.add(bop); }
if (op.isQuery())
{ constants.add(op.getName() + "_" + e);
properties.add(op.buildBConstantDefinition(e,entities,types));
}
}
usesList.remove(getName());
} // if e abstract, no constructor, and union
// of subclass sets equals it.
public void clearVariables()
{ variables = new Vector();
invariants = new Vector();
initialisation = new Vector();
}
public Vector getSees()
{ return seesList; }
public Vector getIncludes()
{ return includesList; }
public Vector getUses()
{ return usesList; }
public void removeSees(List names)
{ seesList.removeAll(names); }
public void addSees(String s)
{ seesList.add(s); } // just strings at present
public void unionSees(List l)
{ seesList.addAll(l); }
public void addIncludes(String i)
{ includesList.add(i); }
public void removeUses(List names)
{ usesList.removeAll(names); }
public void addInvariant(BExpression inv)
{ invariants.add(inv); }
public void addInvariants(Vector invs)
{ invariants.addAll(invs); }
public void addOperation(BOp op)
{ operations.add(op); }
public void addAttribute(Attribute att, Entity ent,
Vector entities,Vector types, Vector invs)
{ attributes.add(att);
String attnme = att.getName();
variables.add(attnme);
// add invariant att: cs --> T
Type t = att.getType();
String bt = t.generateB();
String newSeen = null;
if (bt.equals("INT"))
{ newSeen = "Int_TYPE"; }
else if (bt.equals("BOOL"))
{ newSeen = "Bool_TYPE"; }
else if (bt.equals("STRING"))
{ newSeen = "String_TYPE"; }
if (newSeen != null & !seesList.contains(newSeen))
{ seesList.add(newSeen); }
BExpression ran = new BBasicExpression(bt);
BExpression attbe =
new BBasicExpression(attnme);
BExpression attxbe =
new BBasicExpression(attnme + "xx");
BExpression fun;
if (att.isUnique())
{ fun = new BBinaryExpression(">->",objs,ran); }
else if (att.isClassScope())
{ fun = ran; } // also modify Set and Get
else
{ fun = new BBinaryExpression("-->",objs,ran); }
BExpression atttyping = new BBinaryExpression(":",attbe,fun);
atttyping.setCategory(BExpression.FEATURE);
invariants.add(atttyping);
// add att := {} to init:
BExpression empty =
new BSetExpression(new Vector());
if (att.isInstanceScope())
{ initialisation.add(
new BAssignStatement(attbe,empty));
} // else get default value of type
else
{ String defval = att.getDefaultValue();
BExpression bdef = new BBasicExpression(defval);
initialisation.add(
new BAssignStatement(attbe,bdef));
}
// add setatt and getatt operations:
String cx = getName().toLowerCase() + "x";
BOp getatt;
if (att.isInstanceScope())
{ getatt =
BOp.buildGetOperation(attnme,cx,objs);
}
else
{ getatt = BOp.buildStaticGetOperation(attnme); }
operations.add(getatt);
if (ent.hasStereotype("target")) { return; }
if (att.isUpdatable())
{ BOp setatt;
BOp updatt;
BOp setAllatt;
if (att.isInstanceScope())
{ setatt =
BOp.buildSetOperation(attnme,cx,objs,ran,att.isUnique(),null,0,ModelElement.ONE,
ent,entities,types,invs);
setatt.setSignature("set" + attnme); // ???
/* BExpression possiblePre = Constraint.conjoinAllSelected(attnme,
getName(),
constraints);
BExpression preset =
possiblePre.substituteEq(attnme + "(" + cx + ")",attxbe);
System.out.println("POSIBLE PRE: " + preset);
setatt.addPre(preset);
*/
updatt =
BOp.buildUpdateOperation(attnme,objs,null,ran,att.isUnique());
setAllatt =
BOp.buildSetAllOperation(attnme,cx,objs,ran);
operations.add(setatt);
operations.add(updatt);
operations.add(setAllatt);
}
else
{ setatt = BOp.buildStaticSetOperation(attnme,cx,objs,ran,att.isUnique(), ModelElement.ONE,ent,
entities,types,invs);
if (setatt != null)
{ operations.add(setatt); }
}
}
}
public void addsetOperation(Attribute att, Entity ent,
Vector entities,Vector types, Vector invs)
{ String attnme = att.getName();
Type t = att.getType();
String bt = t.generateB();
BExpression ran = new BBasicExpression(bt);
BExpression attbe =
new BBasicExpression(attnme);
BExpression attxbe =
new BBasicExpression(attnme + "xx");
String cx = getName().toLowerCase() + "x"; // e.getName()...
if (att.isUpdatable())
{ BOp setatt;
BOp updatt;
BOp setAllatt;
if (att.isInstanceScope())
{ setatt =
BOp.buildSetOperation(attnme,cx,objs,ran,att.isUnique(),null,0,ModelElement.ONE,
ent,entities,types,invs);
System.out.println("Invs are: " + invs);
System.out.println("For " + attnme + " " + cx + " " + ent);
System.out.println(setatt);
setatt.setSignature("set" + attnme);
// updatt =
// BOp.buildUpdateOperation(attnme,objs,ran,att.isUnique());
// setAllatt =
// BOp.buildSetAllOperation(attnme,cx,objs,ran);
operations.add(setatt);
// operations.add(updatt);
// operations.add(setAllatt);
}
}
}
public void addsetOperation(Association ast, Entity ent,
Vector entities,Vector types, Vector invs)
{ String attnme = ast.getRole2();
String role1 = ast.getRole1();
boolean isseq = ast.isOrdered();
Entity ent2 = ast.getEntity2(); // must USE unless in same inherit family
String e2name = ent2.getName();
String e2s = e2name.toLowerCase() + "s";
// role: objs --> ent2s or FIN(ent2s)
int card1 = ast.getCard1();
int card2 = ast.getCard2();
BExpression targ;
BExpression elemtype;
if (card2 == ONE)
{ targ = new BBasicExpression(e2s);
elemtype = targ;
}
else
{ elemtype = new BBasicExpression(e2s);
if (isseq)
{ targ = new BUnaryExpression("seq",elemtype); }
else
{ targ = new BUnaryExpression("FIN",elemtype); }
}
BExpression attbe =
new BBasicExpression(attnme);
BExpression attxbe =
new BBasicExpression(attnme + "xx");
String cx = getName().toLowerCase() + "x"; // e.getName()...
BExpression cxbe = new BBasicExpression(cx);
BExpression possiblePre = Constraint.conjoinAllSelected(attnme,getName(),
invs);
if (!ast.isFrozen())
{ BOp setrole =
BOp.buildSetOperation(attnme,cx,objs,targ,ast.isInjective(),role1,card1,card2,
ent,entities,types,invs);
System.out.println("Invs are: " + invs);
System.out.println("For " + attnme + " " + cx + " " + ent);
System.out.println(setrole);
setrole.setSignature("set" + attnme);
// updatt =
// BOp.buildUpdateOperation(attnme,objs,ran,att.isUnique());
// setAllatt =
// BOp.buildSetAllOperation(attnme,cx,objs,ran);
operations.add(setrole);
// operations.add(updatt);
// operations.add(setAllatt);
}
if (card2 != ONE)
{ if (!ast.isFrozen())
{ BOp addop = BOp.buildAddOperation(attnme,cx,objs,elemtype,role1,card1,card2,isseq,
ent,entities,types,invs);
BExpression rolecx = new BApplyExpression(attnme,cxbe);
BSetExpression setrolexbe = new BSetExpression();
setrolexbe.addElement(attxbe);
setrolexbe.setOrdered(isseq);
BExpression sub;
if (isseq)
{ sub = new BBinaryExpression("^",rolecx,setrolexbe); }
else
{ sub = new BBinaryExpression("\\/",rolecx,setrolexbe); }
BExpression preset2 = possiblePre.substituteEq(attnme + "(" + cx + ")",sub);
System.out.println("POSIBLE PRE: " + preset2);
addop.addPre(preset2);
addop.setSignature("add" + attnme);
operations.add(addop);
if (isseq)
{ BOp setindop = BOp.buildSetIndOp(attnme,cx,objs,elemtype,ent);
operations.add(setindop);
}
if (!ast.isAddOnly())
{ BOp delop = BOp.buildDelOperation(attnme,cx,objs,elemtype,
role1,card1,ent,entities,types,invs);
BExpression sub2 = new BBinaryExpression("-",rolecx,setrolexbe);
BExpression preset3 =
possiblePre.substituteEq(attnme + "(" + cx + ")",sub);
System.out.println("POSIBLE PRE: " + preset3);
delop.addPre(preset3);
delop.setSignature("remove" + attnme);
operations.add(delop);
}
}
} // also use contraints, and these ops for the Controller
} // plus cardinality preconditions
public void addInterfaceAttribute(Attribute att, Entity ent,
Vector entities,Vector types, Vector invs)
{ attributes.add(att);
String attnme = att.getName();
variables.add(attnme);
// add invariant att: cs --> T
Type t = att.getType();
String bt = t.generateB();
String newSeen = null;
if (bt.equals("INT"))
{ newSeen = "Int_TYPE"; }
else if (bt.equals("BOOL"))
{ newSeen = "Bool_TYPE"; }
else if (bt.equals("STRING"))
{ newSeen = "String_TYPE"; }
if (newSeen != null & !seesList.contains(newSeen))
{ seesList.add(newSeen); }
BExpression ran = new BBasicExpression(bt);
BExpression attbe =
new BBasicExpression(attnme);
BExpression attxbe =
new BBasicExpression(attnme + "xx");
BExpression fun;
if (att.isUnique())
{ fun = new BBinaryExpression(">->",objs,ran); }
else if (att.isClassScope())
{ fun = ran; } // also modify Set and Get
else
{ fun = new BBinaryExpression("-->",objs,ran); }
BExpression atttyping = new BBinaryExpression(":",attbe,fun);
atttyping.setCategory(BExpression.FEATURE);
invariants.add(atttyping);
// add att := {} to init:
BExpression empty =
new BSetExpression(new Vector());
if (att.isInstanceScope())
{ initialisation.add(
new BAssignStatement(attbe,empty));
} // else get default value of type
else
{ String defval = att.getDefaultValue();
BExpression bdef = new BBasicExpression(defval);
initialisation.add(
new BAssignStatement(attbe,bdef));
}
// add setatt and getatt operations:
BOp getatt = BOp.buildStaticGetOperation(attnme);
operations.add(getatt);
}
public void addRole(String role, Association ast, Entity ent,
Vector entities,Vector types, Vector invs)
{ variables.add(role);
roles.add(ast);
String role1 = ast.getRole1();
int card1 = ast.getCard1();
int card2 = ast.getCard2();
boolean isseq = ast.isOrdered();
boolean isqual = ast.isQualified();
Entity ent2 = ast.getEntity2(); // must USE unless in same inherit family
String e2name = ent2.getName();
String e2top = ent2.getTopSuperclass() + "";
if (usesList.contains(e2top)) { }
else { usesList.add(e2top); } // Beware of cycles
String e2s = e2name.toLowerCase() + "s";
// role: objs --> ent2s or FIN(ent2s)
BExpression targ;
BExpression elemtype;
if (card2 == ONE)
{ targ = new BBasicExpression(e2s);
elemtype = targ;
if (isqual)
{ BExpression stype = new BBasicExpression("STRING");
targ = new BBinaryExpression("+->",stype,targ);
targ.setBrackets(true);
}
}
else
{ elemtype = new BBasicExpression(e2s);
if (isseq)
{ targ = new BUnaryExpression("seq",elemtype); }
else if (isqual)
{ BExpression stype = new BBasicExpression("STRING");
targ = new BBinaryExpression("+->",stype,
new BUnaryExpression("FIN",elemtype));
targ.setBrackets(true);
}
else
{ targ = new BUnaryExpression("FIN",elemtype); }
}
BExpression rolebe =
new BBasicExpression(role);
BExpression rolexbe =
new BBasicExpression(role + "xx");
BExpression fun;
if (ast.isInjective() && !isqual)
{ fun = new BBinaryExpression(">->",objs,targ); }
else
{ fun = new BBinaryExpression("-->",objs,targ); }
BExpression roletyping = new BBinaryExpression(":",rolebe,fun);
roletyping.setCategory(BExpression.FEATURE);
invariants.add(roletyping);
// add role := {} to init:
BExpression empty =
new BSetExpression(new Vector());
initialisation.add(
new BAssignStatement(rolebe,empty));
String cx = getName().toLowerCase() + "x";
BExpression cxbe = new BBasicExpression(cx);
if (card2 == ZEROONE && !isqual)
{ BExpression rhs = new BApplyExpression(role,cxbe);
BExpression cardleq =
new BBinaryExpression("<=",
new BUnaryExpression("card",rhs),
new BBasicExpression("1"));
BExpression lhs = new BBinaryExpression(":",cxbe,objs);
BExpression cardinv =
new BQuantifierExpression("forall",cx,
new BBinaryExpression("=>",lhs,cardleq));
cardinv.setCategory(BExpression.LOGICAL);
invariants.add(cardinv);
}
if (role1 != null && role1.length() > 0)
{ // add appropriate inverse constraint to invariants
// !(ax,bx).(ax : as & bx : bs => (bx : br(ax) <=> ax : ar(bx)) )
BExpression e2objs = new BBasicExpression(e2s);
String e2x = e2name.toLowerCase() + "x";
BExpression e2xbe = new BBasicExpression(e2x);
BExpression role1app = new BApplyExpression(role1,e2xbe);
BExpression role2app = new BApplyExpression(role,cxbe);
BExpression end1exp;
BExpression end2exp;
if (card1 == ONE)
{ end1exp = new BBinaryExpression("=",cxbe,role1app); }
else
{ end1exp = new BBinaryExpression(":",cxbe,role1app); }
if (card2 == ONE)
{ end2exp = new BBinaryExpression("=",e2xbe,role2app); }
else
{ end2exp = new BBinaryExpression(":",e2xbe,role2app); }
BExpression equivends =
new BBinaryExpression("=>",end1exp,end2exp);
equivends.setBrackets(true);
BExpression lhs2 = new BBinaryExpression(":",e2xbe,e2objs);
BExpression invinv1 =
new BQuantifierExpression("forall",e2x,
new BBinaryExpression("=>",lhs2,equivends));
BExpression lhs1 = new BBinaryExpression(":",cxbe,objs);
BExpression invinv2 =
new BQuantifierExpression("forall",cx,
new BBinaryExpression("=>",lhs1,invinv1));
invinv2.setCategory(BExpression.LOGICAL);
invariants.add(invinv2);
}
BOp getrole =
BOp.buildGetOperation(role,cx,objs);
operations.add(getrole);
if (ent.hasStereotype("target")) { return; }
if (isqual)
{ operations.add(BOp.buildGetQualOperation(role,cx,objs));
BOp setqop = BOp.buildSetQualOp(role,cx,objs,elemtype,ent);
operations.add(setqop);
if (card2 != ONE)
{ BOp qadd = BOp.buildAddQualOperation(role,cx,objs,elemtype,card2,isseq,
ent,entities,types,invs);
operations.add(qadd);
BOp qrem = BOp.buildDelQualOperation(role,cx,objs,elemtype,
ent,entities,types,invs);
operations.add(qrem);
}
return;
}
BExpression possiblePre = Constraint.conjoinAllSelected(role,getName(),
constraints);
if (!ast.isFrozen())
{ BOp setrole =
BOp.buildSetOperation(role,cx,objs,targ,ast.isInjective(),role1,card1,card2,
ent,entities,types,invs);
// BExpression preset =
// possiblePre.substituteEq(role + "(" + cx + ")",rolexbe);
// System.out.println("POSIBLE PRE: " + preset);
// setrole.addPre(preset);
setrole.setSignature("set" + role);
BOp updrole =
BOp.buildUpdateOperation(role,objs,ast,targ,ast.isInjective());
operations.add(setrole);
operations.add(updrole);
}
if (card2 != ONE)
{ if (!ast.isFrozen())
{ BOp addop = BOp.buildAddOperation(role,cx,objs,elemtype,role1,card1,card2,isseq,
ent,entities,types,invs);
BExpression rolecx = new BApplyExpression(role,cxbe);
BSetExpression setrolexbe = new BSetExpression();
setrolexbe.addElement(rolexbe);
setrolexbe.setOrdered(isseq);
BExpression sub;
if (isseq)
{ sub = new BBinaryExpression("^",rolecx,setrolexbe); }
else
{ sub = new BBinaryExpression("\\/",rolecx,setrolexbe); }
BExpression preset2 = possiblePre.substituteEq(role + "(" + cx + ")",sub);
System.out.println("POSIBLE PRE: " + preset2);
addop.addPre(preset2);
addop.setSignature("add" + role);
operations.add(addop);
if (isseq)
{ BOp setindop = BOp.buildSetIndOp(role,cx,objs,elemtype,ent);
operations.add(setindop);
}
if (!ast.isAddOnly())
{ BOp delop =
BOp.buildDelOperation(role,cx,objs,elemtype,role1,card1,ent,entities,types,invs);
BExpression sub2 = new BBinaryExpression("-",rolecx,setrolexbe);
BExpression preset3 = possiblePre.substituteEq(role + "(" + cx + ")",sub);
System.out.println("POSIBLE PRE: " + preset3);
delop.addPre(preset3);
delop.setSignature("remove" + role);
operations.add(delop);
}
}
} // also use contraints, and these ops for the Controller
} // plus cardinality preconditions
// if (card2 == ZEROONE)
// { card(role2x) <= 1 } etc
public void addSetDefinition(String nme, Vector vals)
{ if (basicTypes.contains(nme))
{ return; }
BTypeDef td = new BTypeDef(nme,vals);
types.add(td);
}
public void buildConstructor(Entity e)
{ buildConstructor(e,"oo",null,new Vector(),new Vector()); }
private void buildConstructor(Entity e, String res, BExpression pre0,
Vector params0, Vector assigns)
{ System.out.println("Building constructor for " + e +
" with invariants " + e.getInvariants());
Vector eatts = e.getAttributes();
String nme = e.getName();
String objset = nme.toLowerCase() + "s";
BExpression eobjs = new BBasicExpression(objset);
java.util.Map env = new java.util.HashMap();
BExpression localInvPre = Constraint.conjoinAll(e.getInvariants());
// constraints?
Vector oldatts = e.allInheritedAttributes();
Vector oldasts = e.allInheritedAssociations();
for (int i = 0; i < oldatts.size(); i++)
{ Attribute oldatt = (Attribute) oldatts.get(i);
String oldattnme = oldatt.getName();
// localInvPre = localInvPre.substituteEq(oldattnme,
// new BBasicExpression(oldattnme + "x"));
}
for (int i = 0; i < oldasts.size(); i++)
{ Association oldast = (Association) oldasts.get(i);
String oldastnme = oldast.getRole2();
// localInvPre = localInvPre.substituteEq(oldastnme,
// new BSetExpression());
} // unless the association is initialised ...
int natts = eatts.size();
String[] attparams = new String[natts];
Vector params = (Vector) params0.clone();
BExpression[] attbes = new BExpression[natts];
BExpression[] attpres = new BExpression[natts];
BExpression pre =
new BBinaryExpression("/=",eobjs,cobj);
if (pre0 != null)
{ pre = pre0; }
Vector attassigns = (Vector) assigns.clone();
String oox = getName().toLowerCase() + "x";
BExpression ooxbe = new BBasicExpression(oox);
// objs := objs \/ { ooxbe }
Vector newelem = new Vector();
newelem.add(ooxbe);
BAssignStatement create =
new BAssignStatement(eobjs,
new BBinaryExpression("\\/",eobjs,
new BSetExpression(newelem)));
attassigns.add(create);
BExpression resbe = new BBasicExpression(res);
for (int i = 0; i < natts; i++)
{ Attribute att = (Attribute) eatts.get(i);
String attini = att.getInitialValue();
Expression attiniexp = att.getInitialExpression();
if (att.isInstanceScope())
{ Type typ = att.getType();
String attname = att.getName();
String attx = attname + "x";
attparams[i] = attx;
params.add(attparams[i]);
attbes[i] = new BBasicExpression(attparams[i]);
attpres[i] =
new BBinaryExpression(":",attbes[i],
new BBasicExpression(typ.generateB()));
pre = new BBinaryExpression("&",pre,attpres[i]);
BExpression lhs =
new BApplyExpression(attname,ooxbe);
if (attiniexp == null || attini.equals(""))
{ attassigns.add(
new BAssignStatement(lhs,attbes[i]));
// localInvPre = localInvPre.substituteEq(attname,attbes[i]);
}
else
{ BExpression attinibe = attiniexp.binvariantForm(env,true);
attassigns.add(new BAssignStatement(lhs,attinibe));
// localInvPre = localInvPre.substituteEq(attname,attinibe);
}
if (att.isUnique()) // attx /: ran(att)
{ BExpression uniqpre =
new BBinaryExpression("/:",attbes[i],
new BUnaryExpression("ran",new BBasicExpression(attname)));
pre = new BBinaryExpression("&",pre,uniqpre);
}
}
}
Vector eroles = e.getAssociations();
for (int j = 0; j < eroles.size(); j++)
{ Association ast = (Association) eroles.get(j);
String role = ast.getRole2();
BExpression lhs2 =
new BApplyExpression(role,ooxbe);
int card2 = ast.getCard2();
if (card2 >= 1)
{ String rlex = role + "x"; // input param
params.add(rlex);
BExpression rlexbe = new BBasicExpression(rlex);
String e2name = ast.getEntity2().getName();
String e2s = e2name.toLowerCase() + "s";
BExpression e2be = new BBasicExpression(e2s);
BExpression rlepre;
if (card2 == ONE)
{ rlepre =
new BBinaryExpression(":",rlexbe,e2be);
rlexbe.setMultiplicity(ModelElement.ONE);
}
else // {n}
{ BExpression carde =
new BBinaryExpression("=",
new BUnaryExpression("card",rlexbe),
new BBasicExpression("" + card2));
rlepre =
new BBinaryExpression("&",carde,
new BBinaryExpression("<:",rlexbe,e2be));
rlexbe.setMultiplicity(ModelElement.MANY);
}
pre = new BBinaryExpression("&",pre,rlepre);
attassigns.add(
new BAssignStatement(lhs2,rlexbe));
String role1 = ast.getRole1();
if (role1 != null && role1.length() > 0)
{ int card1 = ast.getCard1();
BExpression invrhs =
BasicExpression.computeInverseBExpressionSet(ast,role1,role,card1,card2,ooxbe,rlexbe);
BExpression invlhs = new BBasicExpression(role1);
BStatement invstat = new BAssignStatement(invlhs,invrhs);
attassigns.add(invstat);
}
// localInvPre = localInvPre.substituteEq(role,rlexbe);
}
else if (ast.isFrozen())
{ String rlex = role + "x"; // input param
params.add(rlex);
BExpression rlexbe = new BBasicExpression(rlex);
rlexbe.setMultiplicity(ModelElement.ONE);
String e2name = ast.getEntity2().getName();
String e2s = e2name.toLowerCase() + "s";
BExpression e2be = new BBasicExpression(e2s);
BExpression rlepre;
rlepre = new BBinaryExpression("<:",rlexbe,e2be);
pre = new BBinaryExpression("&",pre,rlepre);
attassigns.add(
new BAssignStatement(lhs2,rlexbe));
// localInvPre = localInvPre.substituteEq(role,rlexbe);
}
else // MANY, not frozen
{ BExpression rhs = new BSetExpression(new Vector(),ast.isOrdered());
attassigns.add(
new BAssignStatement(lhs2,rhs));
// localInvPre = localInvPre.substituteEq(role,rhs);
}
}
Vector allassigns = new Vector();
allassigns.addAll(attassigns);
allassigns.add(
new BAssignStatement(resbe,ooxbe));
// The WHERE clause:
BExpression where =
new BBinaryExpression(":",ooxbe,
new BBinaryExpression("-",cobj,eobjs));
Vector anyvars = new Vector();
anyvars.add(oox);
BStatement anystat =
new BAnyStatement(anyvars,where,
new BParallelStatement(allassigns));
// System.out.println("Local invariant precondition: " + localInvPre);
// BExpression simpre = localInvPre.simplify();
/* if (simpre == null || simpre.toString().equals("true")) { }
else
{ simpre.setBrackets(true);
pre = new BBinaryExpression("&",pre,simpre);
} */
BOp newC =
new BOp("new_" + nme,res,
params,pre,
anystat);
Vector subs = e.getSubclasses();
for (int h = 0; h < subs.size(); h++)
{ Entity esub = (Entity) subs.get(h);
buildConstructor(esub,res,pre,params,attassigns);
}
operations.add(0,newC); // at position 0
}
public void generateJava(java.io.PrintWriter out) // not used
{ out.println("public abstract class " + getName() + " { }"); }
public String toString()
{ String res = "MACHINE " + getName() + "\n";
int sc = seesList.size();
int uc = usesList.size();
int ic = includesList.size();
int pc = promotes.size();
int tc = types.size();
int conssize = constants.size();
int propsize = properties.size();
int vc = variables.size();
int invc = invariants.size();
int initc = initialisation.size();
int opc = operations.size();
if (sc > 0)
{ res = res + "SEES ";
for (int i = 0; i < sc; i++)
{ res = res + seesList.get(i);
if (i < sc - 1)
{ res = res + ", "; }
else
{ res = res + "\n"; }
}
}
if (uc > 0)
{ res = res + "USES ";
for (int i = 0; i < uc; i++)
{ res = res + usesList.get(i);
if (i < uc - 1)
{ res = res + ", "; }
else
{ res = res + "\n"; }
}
}
if (ic > 0)
{ res = res + "INCLUDES ";
for (int i = 0; i < ic; i++)
{ res = res + includesList.get(i);
if (i < ic - 1)
{ res = res + ", "; }
else
{ res = res + "\n"; }
}
}
if (pc > 0)
{ res = res + "PROMOTES ";
for (int i = 0; i < pc; i++)
{ res = res + promotes.get(i);
if (i < pc - 1)
{ res = res + ", "; }
else
{ res = res + "\n"; }
}
}
if (tc > 0)
{ res = res + "SETS ";