/* override to insert constraint in table definition */
protected void writeCheckConstraint(JClass currentClass, String cons_name, JField jf)
throws IOException {
constraints +=
"\nalter table "
+ currentClass.getTableName()
+ " add constraint "
+ cons_name
+ " check ("
+ jf.getSqlName()
+ jf.getConstraint()
+ ");\n";
cleanupConstraints +=
"\nalter table " + currentClass.getTableName() + " drop constraint " + cons_name + " ;\n";
}
protected void writeForeignKey(
JClass currentClass, String cons_name, JField jf, JClass foreignClass) throws IOException {
constraints +=
"\nalter table "
+ currentClass.getTableName()
+ " add constraint "
+ cons_name
+ " foreign key ("
+ jf.getSqlName()
+ ") references "
+ foreignClass.getTableName()
+ "("
+ foreignClass.getPrimaryKey()
+ ");\n";
cleanupConstraints +=
"\nalter table " + currentClass.getTableName() + " drop constraint " + cons_name + " ;\n";
}
protected void addIndex(JClass currentClass, String sOut, JIndex index) {
constraints +=
"\ncreate index "
+ index.getName()
+ " on "
+ currentClass.getTableName()
+ " ("
+ sOut
+ ");\n";
}
protected void addConstraint(
JClass currentClass, String consName, JConstraint jcons, String sOut) {
constraints +=
"\nalter table "
+ currentClass.getTableName()
+ " add constraint "
+ consName
+ " "
+ jcons.getType()
+ " ("
+ sOut
+ ");\n";
}
public void generate(JClass currentClass) throws IOException, SchemaException {
schemaFile.write("\ncreate table " + currentClass.getTableName() + "(");
String primaryKey = currentClass.getPrimaryKey(); // the sql name
Vector allFields = new Vector(currentClass.getAllFields().values());
boolean is_first = true;
JField primField = null;
HashSet fieldNames = new HashSet();
if (Checks.exists(primaryKey)) { // set prim key first
primField = currentClass.getFieldByName(currentClass.getPrimaryKeyJava());
writeFieldSchema(currentClass, primField, primaryKey, is_first);
is_first = false;
fieldNames.add(primField.getSqlName());
}
for (int i = 0; i < allFields.size(); i++) {
JField jf = (JField) allFields.elementAt(i);
if (jf.isDbColumn() && jf != primField) {
if (jf instanceof JCompositeField && ((JCompositeField) jf).isInline()) {
// deal with inlining..
inlineField(currentClass, (JCompositeField) jf, fieldNames);
} else {
if (!fieldNames.contains(jf.getSqlName())) fieldNames.add(jf.getSqlName());
else
Debugger.trace(
"Duplicate column " + jf.getSqlName() + " in Class " + currentClass.getClassName(),
Debugger.ERROR);
writeFieldSchema(currentClass, jf, primaryKey, is_first);
}
is_first = false;
}
}
if (currentClass.isEndDateable()) schemaFile.write(",\n\t" + END_DATE + " " + END_DATE_TYPE);
if (currentClass.isVersioned()) schemaFile.write(",\n\t" + VERSION_NUMBER + " int");
schemaFile.write(");\n");
if (!currentClass.isManyToMany()) {
if (needsSequence()) {
cleanup.write(getDropSeqStmt(currentClass));
schemaFile.write("\ncreate sequence " + currentClass.getTableName() + "_seq;\n");
}
} else {
String columns = "";
boolean first_column = true;
for (int i = 0; i < allFields.size(); i++) {
JField jf = (JField) allFields.elementAt(i);
if (!jf.getSqlName().equalsIgnoreCase("")) {
if (!first_column) columns += ",";
else first_column = false;
columns += jf.getSqlName();
}
}
if (allFields.size() > 0) // && !isPostgres)
{
constraints +=
("\nalter table "
+ currentClass.getTableName()
+ " add constraint "
+ currentClass.getTableName()
+ "_unq primary key "
+ " ("
+ columns
+ ");\n");
}
}
Iterator cons = currentClass.getConstraints();
while (cons.hasNext()) {
JConstraint jcons = (JConstraint) cons.next();
String sOut = convertFields(jcons.getConstraint(), currentClass);
String consName = makeConstraintName(jcons.getName());
cleanUpConstraint(currentClass, consName);
addConstraint(currentClass, consName, jcons, sOut);
}
Iterator indexes = currentClass.getIndexes().iterator();
while (indexes.hasNext()) {
JIndex index = (JIndex) indexes.next();
String sOut = convertFields(index.getFields(), currentClass);
cleanUpIndex(currentClass, index);
addIndex(currentClass, sOut, index);
}
}
// override if neccessary ..
protected String getDropSeqStmt(JClass currentClass) {
return "\ndrop sequence " + currentClass.getTableName() + "_seq;\n";
}
protected void cleanUpConstraint(JClass currentClass, String consName) {
cleanupConstraints +=
"\nalter table " + currentClass.getTableName() + " drop constraint " + consName + ";\n";
}