protected void _deleteDependencies() throws DBException {
DBField[] keyFlds = this.getKeyFields();
DBFieldValues fldVals = this.getFieldValues();
DBFactory fact = this.getFactory();
DBFactory childFact[] = fact.getChildFactories();
for (int i = 0; i < childFact.length; i++) {
DBRecordKey key = childFact[i].createKey(); // an empty key
for (int k = 0; k < keyFlds.length; k++) {
String fldName = keyFlds[k].getName();
if (fldVals.hasFieldValue(fldName)) {
Object fldValue = fldVals.getFieldValue(fldName);
key.setFieldValue(fldName, fldValue);
} else {
throw new DBException("Missing dependent key fields!");
}
}
// Do not perform recursive dependency deletion!
// - 'key' is an incomplete (partial key only), and dependency deletion would fail
// - all dependent children should already be specified by "getChildFactories()"
try {
int whereKeyType = DBWhere.KEY_PARTIAL_ALL; // Should use ALL available partial keys.
key._delete(null, whereKeyType); // primary key delete
} catch (SQLException sqe) {
throw new DBException("Record deletion", sqe);
}
}
}
/**
* ** Returns true if the parent records in their respective parent tables exist. ** @return True
* if the parent records exist.
*/
public boolean parentsExist() throws DBException {
DBFactory<gDBR> dbFact = this.getFactory();
DBFieldValues myFldVals = this.getFieldValues();
java.util.List<String> parentList = dbFact.getParentTables();
for (String parentTable : parentList) {
/* get parent table DBFactory */
Print.logInfo("[%s] Parent table: %s", this.getTableName(), parentTable);
DBFactory parentFact = DBFactory.getFactoryByName(parentTable);
if (parentFact == null) {
Print.logError("Unexpected error finding parent table: " + parentTable);
return false;
}
/* create parent record key with fields from this key */
DBRecordKey parentKey = parentFact.createKey(); // an empty key
DBField parentKeyFlds[] = parentFact.getKeyFields();
for (DBField pkf : parentKeyFlds) {
String pfn = pkf.getName();
/* get this DBField */
DBField myKeyFld = this.getField(pfn);
if (myKeyFld == null) {
Print.logError("Unexpected error finding field: [" + this.getTableName() + "] " + pfn);
return false;
}
/* get parent key field value */
Object pkv = myFldVals.getFieldValue(pfn);
if (pkv == null) {
Print.logError("Unexpected error finding parent field: [" + parentTable + "] " + pfn);
return false;
}
if (myKeyFld.isDefaultValue(pkv)) {
Print.logInfo("This key contains a global value, skipping parent check: " + parentTable);
parentKey = null;
break;
}
parentKey.setFieldValue(pfn, pkv);
}
/* check parent existence */
if ((parentKey != null) && !parentKey.exists()) {
Print.logError("Parent record does not exist: [" + parentTable + "] " + parentKey);
return false;
}
}
return true;
}