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AttributeMatching.java
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import java.util.Vector;
import java.io.*;
import java.util.Collections;
import javax.swing.JOptionPane;
/******************************
* 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
* *****************************/
/* package: TransformationSynthesis
*/
public class AttributeMatching
{ Attribute src;
Attribute trg;
String srcname = "";
String trgname = "";
Expression srcvalue = null; // in cases where a value is mapped to the target
EntityMatching dependsOn; // in cases where src : E or Collection(E) and E maps to F
Attribute elementVariable = null; // for expr -> trg
Vector auxVariables = new Vector(); // for expr -> trg
public AttributeMatching(Attribute source, Attribute target)
{ src = source;
trg = target;
srcname = src.getName();
trgname = trg.getName();
}
public AttributeMatching(Expression source, Attribute target)
{ src = new Attribute("" + source, source.getType(),
ModelElement.INTERNAL);
src.setElementType(source.getElementType());
srcvalue = source;
trg = target;
srcname = srcvalue + "";
trgname = trg.getName();
}
public AttributeMatching(Expression source, Attribute target, Attribute var,
Vector auxvars)
{ src = new Attribute("" + source, new Type("String",null),
ModelElement.INTERNAL); // Why String? Better as source.getType()
src.setType(source.getType());
src.setElementType(source.getElementType());
srcvalue = source;
trg = target;
elementVariable = var;
srcname = srcvalue + "";
trgname = trg.getName();
auxVariables = auxvars;
}
public Attribute getSource()
{ return src; }
public Attribute getTarget()
{ return trg; }
public String toString()
{ return " " + srcname + " |--> " + trgname; }
public boolean unusedInSource(Attribute v)
{ if (v.getName().equals(srcname))
{ return false; }
if (src.isComposed())
{ Vector path = src.getNavigation();
for (int i = 0; i < path.size(); i++)
{ Attribute p = (Attribute) path.get(i);
if (p.getName().equals(v.getName()))
{ return false; }
}
return true;
}
if (srcvalue != null)
{ if (srcvalue.hasVariable(v.getName()))
{ return false; }
}
return true;
}
public boolean isBidirectionalassociationMatching()
{ return src.isBidirectionalassociation() &&
trg.isBidirectionalassociation();
}
public void addAuxVariable(Attribute x)
{ auxVariables.add(x); }
public Vector inverts()
{ Vector res = new Vector();
if (isStringAssignment())
{ // assume auxVariables.size() == 2
BasicExpression delim = new BasicExpression("\"~\"");
delim.setType(new Type("String",null));
delim.setElementType(new Type("String",null));
BasicExpression etrg = new BasicExpression(trg);
BinaryExpression be1 = new BinaryExpression("->before", etrg, delim);
BinaryExpression be2 = new BinaryExpression("->after", etrg, delim);
be1.setType(new Type("String",null));
be1.setElementType(new Type("String",null));
be2.setType(new Type("String",null));
be2.setElementType(new Type("String",null));
Attribute v1 = (Attribute) auxVariables.get(0);
Attribute v2 = (Attribute) auxVariables.get(1);
res.add(new AttributeMatching(be1,v1));
res.add(new AttributeMatching(be2,v2));
return res;
}
else if (isExpressionAssignment())
{ if (srcvalue instanceof SetExpression)
{ SetExpression sse = (SetExpression) srcvalue;
if (sse.isOrdered() && sse.size() == 2 && trg.isOrdered())
{ // Sequence{r1,r2} --> trg inverts to trg->at(1) --> r1, trg->at(2) --> r2
Expression v1 = sse.getExpression(0);
Expression v2 = sse.getExpression(1);
Attribute a1 = new Attribute(v1 + "",v1.getType(),
ModelElement.INTERNAL);
Attribute a2 = new Attribute(v2 + "",v2.getType(),
ModelElement.INTERNAL);
BasicExpression ind1 = new BasicExpression(1);
BasicExpression ind2 = new BasicExpression(2);
BasicExpression trge = new BasicExpression(trg);
trge.setUmlKind(Expression.ATTRIBUTE);
BinaryExpression at1 = new BinaryExpression("->at",trge,ind1);
at1.setType(trg.getElementType());
at1.setElementType(trg.getElementType());
BinaryExpression at2 = new BinaryExpression("->at",trge,ind2);
at2.setType(trg.getElementType());
at2.setElementType(trg.getElementType());
AttributeMatching am1 = new AttributeMatching(at1,a1);
AttributeMatching am2 = new AttributeMatching(at2,a2);
res.add(am1);
res.add(am2);
return res;
}
}
// if r1->including(r2) --> trg with trg ordered then invert to
// trg->front() --> r1, trg->last() --> r2
if (srcvalue instanceof BinaryExpression)
{ BinaryExpression sbe = (BinaryExpression) srcvalue;
if (sbe.operator.equals("->including") &&
sbe.left instanceof BasicExpression &&
sbe.right instanceof BasicExpression && trg.isOrdered())
{ BasicExpression lft = (BasicExpression) sbe.left;
BasicExpression rgt = (BasicExpression) sbe.right;
Attribute a1 = new Attribute(lft.data,lft.getType(),
ModelElement.INTERNAL);
Attribute a2 = new Attribute(rgt.data,rgt.getType(),
ModelElement.INTERNAL);
Expression trge = new BasicExpression(trg);
UnaryExpression at1 = new UnaryExpression("->front",trge);
UnaryExpression at2 = new UnaryExpression("->last",trge);
at1.setType(trg.getType());
at1.setElementType(trg.getElementType());
at2.setType(trg.getElementType());
at2.setElementType(trg.getElementType()); // can't be a nested sequence?
res.add(new AttributeMatching(at1,a1));
res.add(new AttributeMatching(at2,a2));
return res;
}
}
// if r1->union(r2) --> trg with trg or r1 being sets then invert to
// trg --> r1, trg --> r2
if (srcvalue instanceof BinaryExpression)
{ BinaryExpression sbe = (BinaryExpression) srcvalue;
if (sbe.operator.equals("->union") &&
sbe.left instanceof BasicExpression &&
sbe.right instanceof BasicExpression &&
!(sbe.left.isOrdered() && trg.isOrdered()))
{ BasicExpression lft = (BasicExpression) sbe.left;
BasicExpression rgt = (BasicExpression) sbe.right;
Attribute a1 = new Attribute(lft.data,lft.getType(),
ModelElement.INTERNAL);
a1.setElementType(lft.getElementType());
Attribute a2 = new Attribute(rgt.data,rgt.getType(),
ModelElement.INTERNAL);
a2.setElementType(rgt.getElementType());
res.add(new AttributeMatching(trg,a1));
res.add(new AttributeMatching(trg,a2));
return res;
}
}
}
AttributeMatching invam = invert();
res.add(invam);
return res;
}
public AttributeMatching invert()
{ return new AttributeMatching(trg,src); }
// ignores any expression/value match
boolean isDirect() // either source or target is a direct attribute
{ if (src.getNavigation().size() <= 1)
{ return true; }
if (trg.getNavigation().size() <= 1)
{ return true; }
return false;
}
boolean isDirectSource() // source is a direct attribute
{ if (src.getNavigation().size() <= 1)
{ return true; }
return false;
}
boolean isDirectTarget() // target is a direct attribute
{ if (trg.getNavigation().size() <= 1)
{ return true; }
return false;
}
boolean isValueAssignment()
{ return srcvalue != null && elementVariable == null; }
boolean isExpressionAssignment()
{ return srcvalue != null && elementVariable != null; }
boolean isStringAssignment()
{ return srcvalue != null && auxVariables.size() > 1; }
Expression addReference(BasicExpression ref, Type t)
{ if (srcvalue != null)
{ return srcvalue.addReference(ref,t); }
return null;
}
public boolean equals(Object x)
{ if (x instanceof AttributeMatching)
{ AttributeMatching am = (AttributeMatching) x;
if ((src + "").equals(am.src + "") &&
(trg + "").equals(am.trg + ""))
{ return true; }
}
return false;
}
public Vector getAuxVariables()
{ return auxVariables; }
public Expression getExpression()
{ return srcvalue; }
public Attribute getElementVariable()
{ return elementVariable; }
static Expression dataConversion(Expression sexp, Type stype, Type ttype)
{ // Convert sexp : stype to ttype
if (("" + stype).equals("" + ttype))
{ return sexp; }
String sname = stype.getName();
String tname = ttype.getName();
Type selemt = stype.getElementType();
Type telemt = ttype.getElementType();
if (("" + selemt).equals("" + telemt))
{ if (sname.equals("Sequence") && tname.equals("Set"))
{ UnaryExpression res = new UnaryExpression("->asSet", sexp);
return res;
}
else if (sname.equals("Set") && tname.equals("Sequence"))
{ UnaryExpression res = new UnaryExpression("->asSequence", sexp);
return res;
}
else if (sname.equals("Set") && !ttype.isCollectionType())
{ UnaryExpression res = new UnaryExpression("->any", sexp);
return res;
}
else if (sname.equals("Sequence") && !ttype.isCollectionType())
{ UnaryExpression res = new UnaryExpression("->any", sexp);
return res;
}
else if (tname.equals("Set") && !stype.isCollectionType())
{ SetExpression res = new SetExpression();
res.addElement(sexp);
return res;
}
else if (tname.equals("Sequence") && !stype.isCollectionType())
{ SetExpression res = new SetExpression();
res.setOrdered(true);
res.addElement(sexp);
return res;
}
}
if (stype.isEnumeration() && tname.equals("String"))
{ String query = sname + "2String";
BasicExpression res = new BasicExpression(query);
res.setIsEvent();
res.setUmlKind(Expression.QUERY);
res.addParameter(sexp);
return res;
}
else if (ttype.isEnumeration() && sname.equals("String"))
{ String query = "String2" + tname;
BasicExpression res = new BasicExpression(query);
res.setIsEvent();
res.setUmlKind(Expression.QUERY);
res.addParameter(sexp);
return res;
}
if (stype.isCollectionType() && !ttype.isCollectionType())
{ UnaryExpression res = new UnaryExpression("->any", sexp);
return res;
}
else if (ttype.isCollectionType() && !stype.isCollectionType())
{ UnaryExpression res = new UnaryExpression("->as" + sname, sexp);
return res;
}
return new BinaryExpression("->oclAsType", sexp, new BasicExpression(ttype));
}
public Vector analyseCorrelationPatterns(Entity s, Entity t, Entity realsrc, Entity realtrg,
Vector ems)
{ Vector res = new Vector();
if (src.isComposition() && !trg.isComposition())
{ CorrelationPattern p = new CorrelationPattern("Remove aggregation",
"Aggregation " + realsrc + "::" + src +
" maps to non-aggregation " +
realtrg + "::" + trg);
p.addSourceEntity(realsrc);
p.addTargetEntity(realtrg);
p.addSourceFeature(src);
p.addTargetFeature(trg);
if (res.contains(p)) { }
else { res.add(p); }
}
if (!src.isComposition() && trg.isComposition())
{ CorrelationPattern p = new CorrelationPattern("Introduce aggregation",
"Non-aggregation " + realsrc + "::" + src +
" maps to aggregation " +
realtrg + "::" + trg);
p.addSourceEntity(realsrc);
p.addTargetEntity(realtrg);
p.addSourceFeature(src);
p.addTargetFeature(trg);
p.setWarning(true); // aggregation properties are not ensured in source model but are
// required by the target.
if (res.contains(p)) { }
else { res.add(p); }
}
if (trg.isComposed())
{ Vector trgents = trg.intermediateEntities();
for (int k = 0; k < trgents.size(); k++)
{ Entity trgent = (Entity) trgents.get(k);
if (trgent.isAbstract())
{ System.out.println(">!! Warning: intermediate target class " + trgent + " in " + trg +
" is abstract - replace it by a concrete class from");
Vector trgactualleaves = trgent.getActualLeafSubclasses();
System.out.println(">>! " + trgactualleaves); // preferably one not in range of ems
Vector trgunused = ModelMatching.unusedTargetEntities(trgactualleaves,ems);
if (trgunused.size() > 0)
{ System.out.println(">>! Recommend: " + trgunused); }
String ans =
JOptionPane.showInputDialog("Replace " + trgent + " by?:");
if (ans != null)
{ Entity conc = (Entity) ModelElement.lookupByName(ans,trgactualleaves);
if (conc != null)
{ trg.replaceIntermediateEntity(trgent,conc); }
}
}
}
}
if (!src.isUnique() && trg.isUnique())
{ CorrelationPattern p = new CorrelationPattern("Introduce identity feature",
"Non-identity " + realsrc + "::" + src +
" maps to identity " +
realtrg + "::" + trg);
p.addSourceEntity(realsrc);
p.addTargetEntity(realtrg);
p.addSourceFeature(src);
p.addTargetFeature(trg);
p.setWarning(true); // identity property not ensured in source model but
// required by the target.
if (res.contains(p)) { }
else { res.add(p); }
}
if (src.isUnique() && !trg.isUnique())
{ CorrelationPattern p = new CorrelationPattern("Remove identity feature",
"Identity " + realsrc + "::" + src +
" maps to non-identity " +
realtrg + "::" + trg);
p.addSourceEntity(realsrc);
p.addTargetEntity(realtrg);
p.addSourceFeature(src);
p.addTargetFeature(trg);
if (res.contains(p)) { }
else { res.add(p); }
}
if (src.getNavigation().size() <= 1 &&
trg.getNavigation().size() > 1)
{ CorrelationPattern p = new CorrelationPattern("Introduce indirection",
"Direct feature " + realsrc + "::" + src +
" maps to composed feature " +
realtrg + "::" + trg);
p.addSourceEntity(realsrc);
p.addTargetEntity(realtrg);
p.addSourceFeature(src);
p.addTargetFeature(trg);
if (res.contains(p)) { }
else { res.add(p); }
}
if (src.getNavigation().size() > 1 &&
trg.getNavigation().size() <= 1)
{ CorrelationPattern p = new CorrelationPattern("Remove indirection",
"Composed feature " + realsrc + "::" + src +
" maps to direct feature " + realtrg + "::" + trg);
p.addSourceEntity(realsrc);
p.addTargetEntity(realtrg);
p.addSourceFeature(src);
p.addTargetFeature(trg);
if (res.contains(p)) { } else { res.add(p); }
}
if (src.isComposed())
{ Attribute asrc = src.getFinalFeature();
Attribute atrg = null;
if (trg.isComposed())
{ atrg = trg.getFinalFeature(); }
else
{ atrg = trg; }
Entity own1 = asrc.getOwner();
Entity own2 = atrg.getOwner();
// System.out.println("OWNER of " + asrc + " is " + own1);
// System.out.println("OWNER of " + atrg + " is " + own2);
Entity srcimg = ModelMatching.lookupRealMatch(own1,ems);
// System.out.println("IMAGE of " + own1 + " is " + srcimg);
if (srcimg != null && srcimg != own2)
{ CorrelationPattern mq;
if (Entity.isAncestor(own2,srcimg))
{ mq = new CorrelationPattern("Pull up feature",
"Feature " + own1 + "::" + asrc + " is moved to superclass " +
own2 + "::" + atrg + " of " + srcimg);
}
else if (Entity.isAncestor(srcimg,own2))
{ mq = new CorrelationPattern("Push down feature",
"Feature " + own1 + "::" + asrc + " is moved to subclass " +
own2 + "::" + atrg + " of " + srcimg);
mq.setWarning(true);
}
else
{ mq = new CorrelationPattern("Feature moved",
"Feature " + own1 + "::" + asrc + " is moved to " +
own2 + "::" + atrg);
}
mq.addSourceEntity(own1);
mq.addTargetEntity(own2);
mq.addTargetEntity(srcimg);
mq.addSourceFeature(asrc);
mq.addTargetFeature(atrg);
if (res.contains(mq)) { } else { res.add(mq); }
}
}
else if (trg.isComposed())
{ Attribute atrg = trg.getFinalFeature();
Attribute asrc = null;
if (src.isComposed())
{ asrc = src.getFinalFeature(); }
else
{ asrc = src; }
Entity own1 = asrc.getOwner();
Entity own2 = atrg.getOwner();
// System.out.println("OWNER of " + asrc + " is " + own1);
// System.out.println("OWNER of " + atrg + " is " + own2);
Entity srcimg = ModelMatching.lookupRealMatch(own1,ems);
// System.out.println("IMAGE of " + own1 + " is " + srcimg);
if (srcimg != null && srcimg != own2)
{ CorrelationPattern mq;
if (Entity.isAncestor(own2,srcimg))
{ mq = new CorrelationPattern("Pull up feature",
"Feature " + own1 + "::" + asrc + " is moved to superclass " +
own2 + "::" + atrg + " of " + srcimg);
}
else if (Entity.isAncestor(srcimg,own2))
{ mq = new CorrelationPattern("Push down feature",
"Feature " + own1 + "::" + asrc + " is moved to subclass " +
own2 + "::" + atrg + " of " + srcimg);
mq.setWarning(true);
}
else
{ mq = new CorrelationPattern("Feature moved",
"Feature " + own1 + "::" + asrc + " is moved to " +
own2 + "::" + atrg);
}
mq.addSourceEntity(own1);
mq.addTargetEntity(own2);
mq.addTargetEntity(srcimg);
mq.addSourceFeature(asrc);
mq.addTargetFeature(atrg);
if (res.contains(mq)) { } else { res.add(mq); }
}
}
else // both direct, can still be moved
{ Entity own1 = src.getOwner();
Entity own2 = trg.getOwner();
// System.out.println("OWNER of " + asrc + " is " + own1);
// System.out.println("OWNER of " + atrg + " is " + own2);
Entity srcimg = ModelMatching.lookupRealMatch(own1,ems);
// System.out.println("IMAGE of " + own1 + " is " + srcimg);
if (srcimg != null && srcimg != own2)
{ CorrelationPattern mq;
if (Entity.isAncestor(own2,srcimg))
{ mq = new CorrelationPattern("Pull up feature",
"Feature " + own1 + "::" + src + " is moved to superclass " +
own2 + "::" + trg + " of " + srcimg);
}
else if (Entity.isAncestor(srcimg,own2))
{ mq = new CorrelationPattern("Push down feature",
"Feature " + own1 + "::" + src + " is moved to subclass " +
own2 + "::" + trg + " of " + srcimg);
mq.setWarning(true);
}
else
{ mq = new CorrelationPattern("Feature moved",
"Feature " + own1 + "::" + src + " is moved to " +
own2 + "::" + trg);
}
mq.addSourceEntity(own1);
mq.addTargetEntity(own2);
mq.addTargetEntity(srcimg);
mq.addSourceFeature(src);
mq.addTargetFeature(trg);
if (res.contains(mq)) { } else { res.add(mq); }
}
}
Type srct = src.getType();
Type trgt = trg.getType();
if (("" + srct).equals("" + trgt)) { }
else if (Type.isRecursiveSubtype(srct,trgt))
{ CorrelationPattern q = new CorrelationPattern("Widen type",
"Feature " + realsrc + "::" + src +
" type widened from " + srct + " to " + trgt + " in " +
realtrg + "::" + trg);
q.addSourceEntity(realsrc);
q.addTargetEntity(realtrg);
q.addSourceFeature(src);
q.addTargetFeature(trg);
if (res.contains(q)) { } else { res.add(q); }
}
else if (Type.isRecursiveSubtype(trgt,srct))
{ CorrelationPattern q = new CorrelationPattern("Narrow type",
"Feature " + realsrc + "::" + src +
" type narrowed from " + srct + " to " + trgt + " in " +
realtrg + "::" + trg);
q.addSourceEntity(realsrc);
q.addTargetEntity(realtrg);
q.addSourceFeature(src);
q.addTargetFeature(trg);
q.setWarning(true);
if (res.contains(q)) { } else { res.add(q); }
}
int mult1 = srct.typeMultiplicity();
int mult2 = trgt.typeMultiplicity();
if (mult1 == ModelElement.ONE && mult2 == ModelElement.MANY)
{ CorrelationPattern q = new CorrelationPattern("Widen multiplicity",
"Feature " + realsrc + "::" + src +
" widened from ONE to MANY multiplicity in " +
realtrg + "::" + trg);
q.addSourceEntity(realsrc);
q.addTargetEntity(realtrg);
q.addSourceFeature(src);
q.addTargetFeature(trg);
if (res.contains(q)) { } else { res.add(q); }
}
else if (mult1 == ModelElement.MANY && mult2 == ModelElement.ONE)
{ CorrelationPattern q = new CorrelationPattern("Narrow multiplicity",
"Feature " + realsrc + "::" + src +
" narrowed from MANY to ONE multiplicity in " +
realtrg + "::" + trg);
q.addSourceEntity(realsrc);
q.addTargetEntity(realtrg);
q.addSourceFeature(src);
q.addTargetFeature(trg);
q.setWarning(true);
if (res.contains(q)) { } else { res.add(q); }
}
else if (mult1 == ModelElement.MANY && src.getUpper() == 1 && mult2 == ModelElement.MANY)
{ CorrelationPattern q = new CorrelationPattern("Widen multiplicity",
"Feature " + realsrc + "::" + src +
" widened from 0..1 to * multiplicity in " +
realtrg + "::" + trg);
q.addSourceEntity(realsrc);
q.addTargetEntity(realtrg);
q.addSourceFeature(src);
q.addTargetFeature(trg);
if (res.contains(q)) { } else { res.add(q); }
}
else if (mult1 == ModelElement.MANY && mult2 == ModelElement.MANY && trg.getUpper() == 1)
{ CorrelationPattern q = new CorrelationPattern("Narrow multiplicity",
"Feature " + realsrc + "::" + src +
" narrowed from * to 0..1 multiplicity in " +
realtrg + "::" + trg);
q.addSourceEntity(realsrc);
q.addTargetEntity(realtrg);
q.addSourceFeature(src);
q.addTargetFeature(trg);
q.setWarning(true);
if (res.contains(q)) { } else { res.add(q); }
}
else if (mult1 == ModelElement.ONE && mult2 == ModelElement.MANY && trg.getUpper() == 1)
{ CorrelationPattern q = new CorrelationPattern("Widen multiplicity",
"Feature " + realsrc + "::" + src +
" widened from 1 to 0..1 multiplicity in " +
realtrg + "::" + trg);
q.addSourceEntity(realsrc);
q.addTargetEntity(realtrg);
q.addSourceFeature(src);
q.addTargetFeature(trg);
if (res.contains(q)) { } else { res.add(q); }
}
else if (mult1 == ModelElement.MANY && src.getUpper() == 1 && mult2 == ModelElement.ONE)
{ CorrelationPattern q = new CorrelationPattern("Narrow multiplicity",
"Feature " + realsrc + "::" + src +
" narrowed from 0..1 to 1 multiplicity in " +
realtrg + "::" + trg);
q.addSourceEntity(realsrc);
q.addTargetEntity(realtrg);
q.addSourceFeature(src);
q.addTargetFeature(trg);
q.setWarning(true);
if (res.contains(q)) { } else { res.add(q); }
}
return res;
} // also feature merging; stereotype changes
public EntityMatching isObjectMatch(Vector ems)
{ Vector spath = new Vector();
spath.addAll(src.getNavigation());
if (spath.size() == 0)
{ spath.add(src); }
Vector tpath = new Vector();
tpath.addAll(trg.getNavigation());
if (tpath.size() == 0)
{ tpath.add(trg); }
// Attribute s1 = (Attribute) spath.get(0);
// Attribute t1 = (Attribute) tpath.get(0);
Type tsrc = src.getElementType();
Type ttrg = trg.getElementType();
// System.out.println(">_>_ " + src + " (" + tsrc + ") " + trg + " (" + ttrg +
// ")");
if (Type.isEntityType(tsrc) && Type.isEntityType(ttrg))
{ Entity e1 = tsrc.getEntity();
Entity e2 = ttrg.getEntity();
EntityMatching emx = ModelMatching.findEntityMatching(e1,ems);
if (emx != null && emx.realtrg != null)
{ if (e2.getName().equals(emx.realtrg.getName()) ||
Entity.isAncestor(e2,emx.realtrg))
{ return emx; }
} // to map from e1 to e2, emx.realsrc must be e1 or an ancestor of e1,
// emx.realtrg must be e2 or a descendent of e2
}
return null;
}
String whenClause(EntityMatching emx, String srcroot, String trgroot, Map whens)
{ // isObjectMatching is true
Vector spath = new Vector();
spath.addAll(src.getNavigation());
if (spath.size() == 0)
{ spath.add(src); }
Vector tpath = new Vector();
tpath.addAll(trg.getNavigation());
if (tpath.size() == 0)
{ tpath.add(trg); }
// Attribute s1 = (Attribute) spath.get(0);
// Attribute t1 = (Attribute) tpath.get(0);
// Type tsrc = src.getElementType();
// Type ttrg = trg.getElementType();
String nsrc = emx.src.getName();
String ntrg = emx.trg.getName();
String srcentx = nsrc;
if (nsrc.endsWith("$"))
{ srcentx = nsrc.substring(0,nsrc.length()-1); }
if (emx.realsrc != null)
{ srcentx = emx.realsrc.getName(); }
String trgentx = ntrg;
if (ntrg.endsWith("$"))
{ trgentx = ntrg.substring(0,ntrg.length()-1); }
if (emx.realtrg != null)
{ trgentx = emx.realtrg.getName(); }
String d1 = dataname(srcroot,spath);
String d2 = dataname(trgroot,tpath);
BasicExpression be1 = new BasicExpression(d1);
be1.setType(src.getType());
if (emx.realsrc != null)
{ be1.setElementType(new Type(emx.realsrc)); }
be1.variable = src;
BasicExpression be2 = new BasicExpression(d2);
be2.setType(trg.getType());
if (emx.realtrg != null)
{ be2.setElementType(new Type(emx.realtrg)); }
be2.variable = trg;
whens.set(be2,be1);
return srcentx + "2" + trgentx + "(" + d1 + "," + d2 + ")";
}
String whenClause(String trgroot, Vector ems, Map whens)
{ // For expr --> trg, need E2F(elementVariable,d2)
if (elementVariable == null)
{ return ""; }
Vector tpath = new Vector();
tpath.addAll(trg.getNavigation());
if (tpath.size() == 0)
{ tpath.add(trg); }
Type vtype = elementVariable.getElementType();
if (vtype != null && vtype.isEntity())
{ Entity vent = vtype.getEntity();
// System.out.println(">>> Entity of " + elementVariable + " is " + vent);
Type ttype = trg.getElementType();
if (ttype != null && ttype.isEntity())
{ Entity tent = ttype.getEntity();
EntityMatching emx = ModelMatching.findEntityMatching(vent,ems);
// System.out.println(">>> Entity match of " + elementVariable + " is " + emx);
if (emx != null)
{ String nsrc = emx.src.getName();
String ntrg = emx.trg.getName();
String srcentx = nsrc;
if (nsrc.endsWith("$"))
{ srcentx = nsrc.substring(0,nsrc.length()-1); }
if (emx.realsrc != null)
{ srcentx = emx.realsrc.getName(); }
String trgentx = ntrg;
if (ntrg.endsWith("$"))
{ trgentx = ntrg.substring(0,ntrg.length()-1); }
if (emx.realtrg != null)
{ trgentx = emx.realtrg.getName(); }
String d2 = dataname(trgroot,tpath);
// BasicExpression be2 = new BasicExpression(d2);
// be2.setType(trg.getType());
// be2.setElementType(new Type(emx.realtrg));
// be2.variable = trg;
// whens.set(be2,be1);
return srcentx + "2" + trgentx + "(" + elementVariable + "," + d2 + ")";
}
}
}
return "";
}
String sourcedataname(String prefix)
{ Vector path = new Vector();
path.addAll(src.getNavigation());
if (path.size() == 0)
{ path.add(src); }
return dataname(prefix,path);
}
static String dataname(String prefix, Attribute att)
{ Vector path = new Vector();
path.addAll(att.getNavigation());
if (path.size() == 0)
{ path.add(att); }
return dataname(prefix,path);
}
static String dataname(String prefix, Vector path)
{ // nme = prefix + "_" + nme$value for non-objects, non-collections
// nme = prefix + "_" + nme$x for objects, collections
if (path.size() == 1)
{ Attribute p = (Attribute) path.get(0);
Type t = p.getType();
String pname = p.getName();
String fullname = prefix + "_" + pname;
if (t != null && Type.isCollectionOrEntity(t))
{ Type telem = t.getElementType();
if ((telem != null && telem.isEntity()) || t.isEntity())
{ return fullname + "$x"; }
}
return fullname + "$value";
}
else if (path.size() > 1)
{ Attribute p = (Attribute) path.get(0);
String pname = p.getName();
String fullname = prefix + "_" + pname;
Vector pathtail = new Vector();
pathtail.addAll(path);
pathtail.remove(0);
return dataname(fullname, pathtail);
}
// String pname = src.getName();
// String fullname = prefix + "_" + pname;
// return fullname + "$value";
return prefix;
}
String sourceequation(String prefix, ObjectTemplateExp sexp)
{ // nme = nme$value for non-objects, non-collections
Vector path = new Vector();
path.addAll(src.getNavigation());
if (path.size() == 0)
{ path.add(src); }
return sourceequation(prefix,path,sexp);
}
String sourceequation(String prefix, Vector path, ObjectTemplateExp objTE)
{ // nme = nme$value for non-objects, non-collections
if (path.size() == 1)
{ Attribute p = (Attribute) path.get(0);
Type t = p.getType();
String pname = p.getName();
String fullname = prefix + "_" + pname;
if (t != null && Type.isCollectionOrEntity(t))
{ Type telem = t.getElementType();
if ((telem != null && telem.isEntity()) || t.isEntity())
{ Entity tent;
if (telem == null)
{ tent = t.getEntity(); }
else
{ tent = telem.getEntity(); }
if (tent == null)
{ System.err.println("!! ERROR: no entity type for " + p);
return "";
}
String obj = fullname + "$x";
Attribute objroot = new Attribute(obj,new Type(tent),ModelElement.INTERNAL);
objroot.setElementType(new Type(tent));
// String defn = pname + " = " + obj + " : " + tent;
// Vector exps = (Vector) objectTemplates.get(defn);
// if (exps == null)
// { exps = new Vector(); }
// objectTemplates.set(defn,exps);
// return "";
objTE.addPTI(p,new ObjectTemplateExp(objroot,tent));
return pname + " = " + obj + " : " + tent + " { }";
}
}
BasicExpression valueExp = new BasicExpression(fullname + "$value");
valueExp.setType(p.getType());
valueExp.setElementType(p.getElementType());
valueExp.variable = src; // to record the actual thing.
objTE.addPTI(p,valueExp);
return pname + " = " + fullname + "$value ";
}
else if (path.size() > 1)
{ Attribute p = (Attribute) path.get(0);
Type t = p.getType();
String pname = p.getName();
String fullname = prefix + "_" + pname;
// (Type.isCollectionOrEntity(t))
Entity tent = null;
String obj = fullname + "$x";
Type telem = t.getElementType();
if (telem != null && telem.isEntity())
{ tent = telem.getEntity(); }
else if (t.isEntity())
{ tent = t.getEntity(); }
if (tent != null)
{ Vector pathtail = new Vector();
pathtail.addAll(path);
pathtail.remove(0);
String body = "";
Object subtemplate = objTE.getPTI(p);
if (subtemplate instanceof ObjectTemplateExp)
{ ObjectTemplateExp subTE = (ObjectTemplateExp) subtemplate;
body = sourceequation(prefix + "_" + pname, pathtail, subTE);
// String defn = pname + " = " + obj + " : " + tent;
// Vector exps = (Vector) objectTemplates.get(defn);
// if (exps == null)
// { exps = new Vector(); }
// exps.add(body);
// objectTemplates.set(defn,exps);
return pname + " = " + obj + " : " + tent + " { " + body + " }";
}
else
{ Attribute objroot = new Attribute(obj,new Type(tent),ModelElement.INTERNAL);
objroot.setElementType(new Type(tent));
ObjectTemplateExp newSubTE = new ObjectTemplateExp(objroot,tent);
objTE.addPTI(p,newSubTE);
body = sourceequation(prefix + "_" + pname, pathtail, newSubTE);
return pname + " = " + obj + " : " + tent + " { " + body + " }";
}
}
BasicExpression valueExp = new BasicExpression(fullname + "$value");
valueExp.setType(p.getType());
valueExp.setElementType(p.getElementType());
valueExp.variable = src;
objTE.addPTI(p,valueExp);
return pname + " = " + fullname + "$value";
}
// String pname = src.getName();
// String fullname = prefix + "_" + pname;
// return pname + " = " + fullname + "$value";
return "";
}
String targetequation(String prefix,String srcdata,ObjectTemplateExp tExps)
{ // nme = nme$value for non-objects, non-collections
Vector path = new Vector();
path.addAll(trg.getNavigation());
if (path.size() == 0)
{ path.add(trg); }
return targetequation(prefix,path,srcdata,tExps);
}
String targetequationUMLRSDS(String tvar, Vector bound)
{ Vector path = new Vector();
path.addAll(trg.getNavigation());
if (path.size() == 0)
{ path.add(trg); }
return targetequationUMLRSDS(tvar,path,bound);
}
String targetequation(String prefix, Vector path, String srcdata, ObjectTemplateExp tExp)
{ // nme = srcdata at the end of the path
if (path.size() == 1)
{ Attribute p = (Attribute) path.get(0);
Type t = p.getType();