public static void generate(XPathContext context, ProgramWriter out, MetaCollection col)
throws XavaException {
CalculatedCollectionPG pg = new CalculatedCollectionPG();
pg.setCollection(col);
pg.setMetaModel(col.getMetaModel());
pg.generate(context, out);
}
/** This method generates the output given a context and output stream */
public boolean generate(XPathContext context, ProgramWriter out) {
try {
String collectionName = Strings.firstUpper(collection.getName());
if (ejb) {
out.print(" \n\t/**\n\t * @ejb:interface-method\n\t */");
}
out.print(" \n\tpublic java.util.Collection get");
out.print(collectionName);
out.print("() {");
if (ejb) {
out.print(
" \n\t\tboolean cmtActivated = false;\n\t\tif (!org.openxava.hibernate.XHibernate.isCmt()) {\n\t\t\torg.openxava.hibernate.XHibernate.setCmt(true);\n\t\t\tcmtActivated = true;\n\t\t}");
}
out.print(" \n\t\ttry {");
MetaCalculator calculator = collection.getMetaCalculator();
String calculatorClass = calculator.getClassName();
out.print(" \t\t\n\t\t\t");
out.print(calculatorClass);
out.print(" ");
out.print(collection.getName());
out.print("Calculator= (");
out.print(calculatorClass);
out.print(")\n\t\t\t\tgetMetaModel().getMetaCollection(\"");
out.print(collection.getName());
out.print("\").getMetaCalculator().createCalculator();");
Iterator itSets = calculator.getMetaSetsWithoutValue().iterator();
while (itSets.hasNext()) {
MetaSet set = (MetaSet) itSets.next();
String propertyNameInCalculator = Strings.firstUpper(set.getPropertyName());
String propertyNameFrom = set.getPropertyNameFrom();
MetaProperty p = metaModel.getMetaProperty(propertyNameFrom);
if (propertyNameFrom.indexOf('.') >= 0) {
if (p.isKey() || p.getMetaModel() instanceof MetaAggregate) {
propertyNameFrom = Strings.firstUpper(Strings.change(propertyNameFrom, ".", "_"));
} else {
StringTokenizer st = new StringTokenizer(propertyNameFrom, ".");
String ref = st.nextToken();
String pro = st.nextToken();
propertyNameFrom = Strings.firstUpper(ref) + "().get" + Strings.firstUpper(pro);
}
} else {
propertyNameFrom = Strings.firstUpper(propertyNameFrom);
}
String getPropertyFrom = "boolean".equals(p.getTypeName()) ? "is" : "get";
String value = set.getValue();
if (set.hasValue()) {
out.print(" \n\t\t\t");
out.print(collection.getName());
out.print("Calculator.set");
out.print(propertyNameInCalculator);
out.print("(\"");
out.print(value);
out.print("\");");
} else {
out.print(" \t\n\t\t\t");
out.print(collection.getName());
out.print("Calculator.set");
out.print(propertyNameInCalculator);
out.print("(");
out.print(getPropertyFrom);
out.print(propertyNameFrom);
out.print("());");
}
} // else/sets
if (IModelCalculator.class.isAssignableFrom(Class.forName(calculatorClass))) {
out.print(" \n\t\t\t\t");
out.print(collection.getName());
out.print("Calculator.setModel(this);");
}
if (IEntityCalculator.class.isAssignableFrom(Class.forName(calculatorClass))) {
out.print(" \n\t\t\t\t");
out.print(collection.getName());
out.print("Calculator.setEntity(this);");
}
if (IJDBCCalculator.class.isAssignableFrom(Class.forName(calculatorClass))) {
out.print(" \n\t\t\t\t");
out.print(collection.getName());
out.print("Calculator.setConnectionProvider(getPortableContext());");
}
String calculateValueSentence = collection.getName() + "Calculator.calculate()";
out.print(" \n\t\t\treturn ");
out.print(Generators.generateCast("java.util.Collection", calculateValueSentence));
out.print(
";\n\t\t}\n\t\tcatch (Exception ex) {\n\t\t\tex.printStackTrace();\n\t\t\tthrow new ");
out.print(getException());
out.print("(XavaResources.getString(\"generator.calculate_value_error\", \"");
out.print(collection.getName());
out.print("\", \"");
out.print(metaModel.getName());
out.print("\", ex.getLocalizedMessage()));\n\t\t}");
if (ejb) {
out.print(
" \n\t\tfinally {\n\t\t\tif (cmtActivated) {\n\t\t\t\torg.openxava.hibernate.XHibernate.setCmt(false);\n\t\t\t}\n\t\t}");
}
out.print(" \t\t\t\t\n\t}");
} catch (Exception e) {
System.out.println("Exception: " + e.getMessage());
e.printStackTrace();
return false;
}
return true;
}